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Wed 15 Feb 2006, 8:57 BHP Billiton Plc - Results for the half-year ended
BIL
 BIBLT                                                                           
BHP Billiton Plc - Results for the half-year ended 31 December 2005             
BHP Billiton Plc                                                                
Registration number 3196209                                                     
Registered in England and Wales                                                 
ISIN:          GB0000566504                                                     
15 February 2006                                                                
BHP BILLITON RESULTS FOR THE HALF YEAR ENDED 31 DECEMBER 2005                   
* Record half year financial results.  Underlying EBITDA up 42% to US$8.0       
  billion and underlying EBIT up 43% to US$6.7 billion.                         
* Attributable profit up 48% to US$4.4 billion.                                 
* Underlying EBIT margin increased to 42% and solid Return on Capital           
Employed at 31%.                                                              
* Record half year production volumes for aluminium, copper, nickel and LNG.    
* Five major growth projects approved.  The current project pipeline,           
  consisting of projects in execution or in feasibility, now includes 25        
projects, comprising US$14.4 billion of investments.                          
* Integration of WMC Resources Ltd (WMC) completed ahead of schedule.           
* Interim dividend of 17.5 US cents per share, an increase of 30% on the        
  prior period interim dividend.                                                
* US$2 billion Capital Management initiative announced.                         
  Half year ended 31 December             2005       2004                       
                                          US$M       US$M    Change             
  Revenue together with share of        18 172     15 207     19.5%             
jointly controlled entities"                                                  
  revenue                                                                       
  Underlying EBITDA (1)                  7 971      5 619     41.9%             
  Underlying EBIT (1) (2)                6 671      4 665     43.0%             
EBIT - Profit from operations          6 259      4 369     43.3%             
  Attributable profit                    4 364      2 953     47.8%             
  Net operating cash flow  (3)           4 308      3 197     34.8%             
  Basic earnings per share (US cents)     72.1       47.7     51.2%             
Underlying EBITDA interest coverage     40.1       46.6   (13.9)%             
  (times)  (1) (4)                                                              
  Dividend per share (US cents)           17.5       13.5     29.6%             
The following definitions apply throughout this profit release:                 
(1) Underlying EBIT is earnings before net finance costs and taxation, and      
jointly controlled entities" net finance costs and taxation.  Underlying EBITDA 
is underlying EBIT before depreciation, impairments, and amortisation of US$1   
300 million (comprising Group depreciation, impairments and amortisation of US$1
137 million and jointly controlled entities" depreciation and amortisation of   
US$163 million) for the half year ended 31 December 2005 and US$954 million     
(comprising Group depreciation, impairments and amortisation of US$809 million  
and jointly controlled entities" depreciation and amortisation of US$145        
million) for the half year ended 31 December 2004. We believe that Underlying   
EBIT and Underlying EBITDA provide useful information, but should not be        
considered as an indication of, or alternative to, attributable profit as an    
indicator of operating performance or as an alternative to cash flow as a       
measure of liquidity.                                                           
(2) Underlying EBIT is used to reflect the underlying performance of BHP        
Billiton"s operations.  Underlying EBIT is reconciled to EBIT - Profit from     
operations on page 3.                                                           
(3) Net operating cash flow includes dividends from jointly controlled entities 
and is after net interest and taxation.                                         
(4) For this purpose, net interest includes net finance costs of jointly        
controlled entities, and capitalised interest and excludes the effect of        
discounting on provisions and other liabilities, and exchange differences       
arising from net debt.                                                          
The above financial results are prepared in accordance with IFRS and are        
unaudited.  All references to the corresponding period are to the half year     
ended 31 December 2004.                                                         
RESULTS FOR THE HALF YEAR ENDED 31 DECEMBER 2005                                
Commentary on the Group Interim Results                                         
Introduction                                                                    
The first half of the 2006 financial year generated a strong result for BHP     
Billiton and today we have announced the fifth consecutive half year of record  
results for the Group. Attributable profit was US$4.4 billion, which is an      
increase of 47.8% over the same period last year.  The consistent focus on the  
optimisation and growth of our portfolio of world class assets, combined with   
our unique customer centric marketing structure has positioned the company to   
actively participate in the current strong demand and price environment for our 
commodities. Half year operational records were also accomplished, with record  
production achieved for four major and two minor commodities.                   
Our strategy of investing throughout the cycle in sustainable, value creating   
growth continued, with five additional major growth projects approved in the    
period.  These projects have an expected spend of US$2.9 billion, bringing our  
total project pipeline to US$14.4 billion of investment.  (This includes 18     
projects currently under development totalling US$8.9 billion.)  Each of these  
projects has been subject to our rigorous evaluation and approval process to    
ensure they will return value to our shareholders, regardless of global economic
conditions. However, we continue to be faced with industry challenges in the    
delivery of these projects to budget.  These challenges include shortages of    
skilled labour, construction and drilling plant and machinery, and currency     
strength against the US dollar.  All of these have led to rising input costs.   
These pressures have also added significantly to operating costs. However,      
increased commodity prices and volumes, along with the continuation of our      
business excellence programme, has led to a Group Underlying EBIT margin and    
Return on Capital Employed of 41.9% and 31.2% respectively.                     
Integration of the WMC assets was completed during the period and the target for
cost efficiencies (of A$115 million per annum) was exceeded. Record half year   
production was achieved at both the Nickel West and Southern Cross Fertiliser   
operations (both Australia), while drilling continues at Olympic Dam (Australia)
in advance of the proposed expansion.                                           
Dividend and Capital Management                                                 
The Board today declared an interim dividend of 17.5 US cents per share.  This  
follows on from the rebasing of the dividend in February 2005 from 9.5 US cents 
per share to 13.5 US cents per share,.  Today"s declared dividend is an increase
of 3.0 US cents per share (20.7%) over last year"s final dividend of 14.5 US    
cents per share, or up 29.6% year on year.  The interim dividend has increased  
by 118.8% (from 8.0 to 17.5 US cents per share) over the past 2 years,          
reflecting the strength of the underlying cash flows of the business, the       
continued strong pricing environment and confidence in our ability to           
consistently deliver earnings and cash flow to support this higher level of     
dividend going forward.  We intend to continue with our progressive dividend    
policy, with further increases dependent upon the expectations for future       
investment opportunities and market conditions at the time of declaration.      
We also intend to return a further US$2.0 billion to shareholders over the next 
18 months through a series of share buy-backs.  As outlined today in a separate 
announcement, this will commence immediately with an off-market buy-back of     
approximately A$1.5 billion (US$1.1billion) in BHP Billiton Limited shares.     
This will be followed at a later stage by on-market purchases, most likely of   
BHP Billiton Plc shares, using the balance of the US$2.0 billion not used in the
off-market buy-back.                                                            
Today"s announcement follows on from last year"s US$2.0 billion capital         
management initiative and is consistent with our practice of returning surplus  
capital to shareholders where appropriate, and in a form that maximises the     
overall value to the Group and its shareholders.  The Board remains committed to
demonstrating strong capital discipline while ensuring BHP Billiton is able to  
finance its significant pipeline of growth opportunities regardless of short    
term commodity price movements. At the conclusion of this initiative, BHP       
Billiton will have returned US$11.4 billion to shareholders since June 2001.    
WMC Integration                                                                 
The acquisition of WMC was completed on 2 August 2005 and financial results for 
the former WMC assets are reported separately in the Base Metals, Stainless     
Steel Materials and Diamonds and Specialty Products CSGs.  In an environment of 
continued high prices, cash flow for the first six months has exceeded          
expectations.                                                                   
At the time of the announcement to acquire WMC, BHP Billiton estimated that     
annual cost efficiencies of A$115 million would be achieved by eliminating      
duplicate functions and using common systems and processes.  As at December     
2005, on-going pre-tax cost efficiencies of A$160 million per annum plus A$14   
million per annum in tax benefits are estimated to have been achieved.  More    
than 430 people (including contractors) have left the organisation.             
It is expected that final annualised cost efficiencies will exceed A$180 million
plus A$14 million per annum in tax benefits.  In total, we expect approximately 
500 people (including contractors) to leave the organisation.                   
The final one-off cost to achieve these cost efficiencies is now estimated at   
A$103 million, compared to the A$120 million indicated at the time of the       
announcement to acquire WMC.  The current period results include A$20 million of
such costs and A$17 million are expected for the remainder of the 2006 financial
year.  A$66 million was expensed in the 2005 financial year.                    
The Income Statement                                                            
IFRS and Underlying EBIT                                                        
BHP Billiton has adopted International Financial Reporting Standards (IFRS) from
1 July 2005, and has restated comparative amounts on a consistent basis.  The   
measurement differences from previous GAAP are set out in note 15 of the Interim
Financial Report.  IFRS also has presentational differences from previous GAAP, 
including the treatment of income from jointly controlled entities, as noted    
below, and the treatment of royalty and petroleum related taxes of US$323       
million (corresponding period US$375 million) which are presented as taxation,  
rather than operating costs.                                                    
The introduction of IFRS has led to us reporting Underlying EBIT, which is a    
measure used internally and in our Supplementary Information to reflect the     
underlying performance of BHP Billiton"s operations. Underlying EBIT excludes   
all net finance costs and taxation, including net finance costs and taxation of 
jointly controlled entities and any significant one-off items. Under IFRS, these
amounts are included in Profit from Operations in the Income Statement.  The    
differences between Underlying EBIT and EBIT (Profit from operations) are set   
out in the following table:                                                     
    Half Year ended 31                             2005         2004            
December                                                                    
                                                   US$M         US$M            
    Underlying EBIT                               6 671        4 665            
    Impact of equity accounting for                                             
statutory purposes:                                                         
    Share of jointly controlled entities"         (412)        (296)            
    net finance costs and taxation                                              
    EBIT - Profit from operations                 6 259        4 369            
There were no significant items in either the current or corresponding period.  
Earnings                                                                        
Revenue (including revenue from third party product and our share of jointly    
controlled entities) was US$18.2 billion, up 19.5% from US$15.2 billion in the  
corresponding period.  The increase was due primarily to higher commodity       
prices.  Metallurgical coal, iron ore, base metals, and petroleum prices        
contributed significantly to the increase in revenue.  We also experienced      
increased volumes from new and acquired operations.                             
Underlying EBITDA increased by 41.9% to US$8.0 billion (from US$5.6 billion in  
the corresponding period).  Underlying EBIT was US$6.7 billion compared with    
US$4.7 billion for the same period last year, an increase of 43.0%.             
The following table and commentary detail the approximate impact of the         
principal factors that affected Underlying EBIT for the current half year       
compared with the corresponding period:                                         
                                                                    US$         
                                                                Million         
Underlying EBIT for the half year ended 31 December 2004     4 665         
     Change in volumes:                                                         
     Existing operations                                          (110)         
     New and acquired operations                                    445         
335         
     Change in sales prices                                       2 915         
     Change in cost:                                                            
     Change in costs:                                                           
Costs                                                        (795)         
     Exchange rates                                                 105         
     Price-linked costs                                           (275)         
     Inflation on costs                                           (130)         
(1,095)         
     Asset sales                                                     30         
     Ceased and sold operations                                    (35)         
     Exploration                                                   (90)         
Other                                                         (54)         
     Underlying EBIT for the half year ended 31 December 2005     6 671         
Volumes                                                                         
Existing operations                                                             
Increased sales volumes of copper, iron ore and export thermal coal contributed 
approximately US$138 million to Underlying EBIT (measured at the prior period"s 
average margins).  Sales volumes of oil were lower than the corresponding period
due to natural field decline, increased down time and the loss of production    
from the Typhoon/Boris facility (US). Decreased sales volumes of metallurgical  
coal due to increased mine maintenance activity, expansion tie-in activity at   
Hay Point Coal Terminal (Australia), and the depletion of reserves at Riverside 
(Australia) also had a negative impact.  Decreased sales volumes of manganese   
ore in line with market demand also impacted the half year. Overall, sales      
volumes from existing operations decreased Underlying EBIT by US$110 million.   
New and acquired operations                                                     
New operations increased Underlying EBIT by US$445 million, primarily due to a  
contribution of US$262 million from the WMC operations acquired in June 2005,   
and a full six months production from ROD (Algeria), which commenced commercial 
production in October 2004, and Mad Dog (US) and Angostura (Trinidad and Tobago)
which were both commissioned in January 2005.                                   
Prices                                                                          
Stronger commodity prices for most products increased Underlying EBIT by        
US$2,915 million.  Higher prices for metallurgical coal, iron ore, copper,      
petroleum products and aluminium contributed approximately US$3,077 million,    
which was partially offset by lower prices for manganese alloy, diamonds and    
lower export prices for energy coal at Ingwe (South Africa).                    
Costs                                                                           
An increased level of activity across the resources industry has led to         
shortages and rising costs for labour and raw materials.  This has led to       
increased costs for the Group of US$795 million.                                
A portion of the increase in costs was deliberately incurred by the Group to    
maximise production to capture current prices.  Specific areas of cost increases
include labour and contractor charges, fuel, freight and consumables, as well as
maintenance and other operating costs.  Depreciation charges also increased due 
to changes in the estimates of economic lives of certain operations and the     
commissioning of a number of new operations.                                    
Exchange rates                                                                  
Exchange rate movements had a positive impact on Underlying EBIT of US$105      
million compared with the same period from last year. The translation of net    
monetary liabilities had a favourable impact on Underlying EBIT of US$155       
million principally due to exchange gains from the strengthening of the US      
dollar against the Australian dollar in the six months to 31 December 2005,     
compared to losses in the corresponding period.  This was partly offset by an   
unfavourable impact of exchange rate movements on operating costs of US$50      
million.                                                                        
                           Half      Half                                       
Currency                   year      year   31 Dec  30 June   31 Dec   30 June  
                          ended     ended     2005     2005     2004      2004  
31 Dec    31 Dec  closing  closing  closing   closing  
                           2005      2004                                       
                        average   average                                       
US dollar: Australian      0.75      0.73     0.73     0.76     0.78      0.69  
dollar                                                                          
South African rand:        6.52      6.21     6.33     6.67     5.65      6.27  
US dollar                                                                       
Price-linked costs                                                              
Higher price-linked costs decreased Underlying EBIT by US$275 million, primarily
because of higher royalties being imposed for all Carbon Steel Material products
and increased TCRCs, including price participation charges, for copper.         
Inflation on costs                                                              
Inflationary pressures, mainly in South Africa and Australia, had an            
unfavourable impact on Underlying EBIT of US$130 million.                       
Asset sales                                                                     
Underlying EBIT increased US$30 million from the corresponding period due to    
asset sales.  This was a reflection of current period asset sales of US$86      
million, principally relating to the sale of BHP Billiton"s interest in the     
Wonderkop joint venture (South Africa).  This was partially offset by the profit
on the sale of an equity participation in the North West Shelf Project"s        
(Australia) gas reserve to China National Offshore Oil Corporation of US$56     
million in the corresponding period.                                            
Ceased and sold operations                                                      
The net loss of earnings from ceased or sold operations had a US$35 million     
unfavourable impact on Underlying EBIT. Current period Underlying EBIT primarily
excludes results from disposal of the Chrome business (South Africa) and the    
Laminaria and Corallina oil fields (Australia) totalling US$110 million.  This  
was partly offset by a favourable impact of US$75 million in relation to care   
and maintenance costs incurred at Boodarie Iron (Australia) in the corresponding
period.  These were fully provided for in June 2005.                            
Exploration                                                                     
Exploration expense was US$90 million higher, due mainly to increased spend on  
petroleum activity in the Gulf of Mexico.                                       
Other                                                                           
Other items decreased Underlying EBIT by US$54 million.  These include one-off  
costs caused by hurricane activity in the Gulf of Mexico and freight activities.
Partially offsetting these was an increase in the Underlying EBIT contribution  
from sales of third party product of US$80 million.                             
Net finance costs                                                               
Net finance costs increased to US$215 million, from US$192 million in the       
corresponding period.  This increase was driven largely by higher average debt  
balances following the funding of the acquisition of WMC in June 2005, partially
offset by exchange gains on debt, higher capitalised interest and higher        
interest rates on deposits.                                                     
Taxation expense                                                                
The taxation expense on profit before tax was US$1,616 million, representing an 
effective rate of 26.7%.                                                        
Excluding the impacts of royalty and petroleum resource related taxation and non
tax-effected foreign currency adjustments, translation of tax balances and other
functional currency translation adjustments, and including the taxation expense 
of jointly controlled entities, the underlying effective rate was 27.8%.  When  
compared to the UK and Australian statutory tax rate (30%), the underlying      
effective tax rate benefited 2.7% due to the recognition of US tax losses       
(US$175 million).                                                               
Following the transition to IFRS, royalty and petroleum resource related taxes  
are treated as taxation arrangements when they have the characteristics of a    
tax.  This is considered to be the case when they are imposed under Government  
authority and the amount payable is calculated by reference to revenue derived  
(net of any allowable deductions) as determined by relevant legislation.  As a  
result, such royalty costs which would previously have been reported as an      
operating cost in Underlying EBIT are now reported as a taxation expense.       
Obligations arising from royalty arrangements that do not satisfy these criteria
continue to be recognised in operating expenses.                                
Cash Flows                                                                      
Statutory net operating cash flow after interest and tax increased by 34.8% to  
US$4.3 billion. This included increased cash generated from operating activities
(mainly due to higher profits), which was partly offset by increased taxation   
payments.                                                                       
Capital and exploration expenditure totalled US$2,665 million for the period.   
Expenditure on major growth projects amounted to US$1,482 million, including    
US$254 million on petroleum projects and US$1,228 million on minerals projects. 
Other capital expenditure was US$835 million. Investment cash flow was US$505   
million, due mainly to the purchase of the remaining shares to complete the WMC 
acquisition. In addition, the corresponding period includes US$1.78 billion     
distributed to shareholders as part of the US$2.0 billion capital management    
programme.                                                                      
Net debt, comprising cash and interest bearing liabilities, was US$8.7 billion, 
the same level as at 30 June 2005. Gearing, which is the ratio of net debt to   
net debt plus net assets, was 28.9% at 31 December 2005, compared with 32.7% at 
30 June 2005.                                                                   
Underlying net debt (which varies from net debt above as it includes net debt of
jointly controlled entities) was US$9.9 billion, down from US$10.0 billion at 30
June 2005. Underlying gearing was 31.5% at 31 December 2005, compared to 35.8%  
at 30 June 2005.                                                                
In October 2005 BHP Billiton filed a US$3.0 billion shelf registration statement
with the US Securities and Exchange Commission (SEC) and in December 2005,      
issued a SEC Global Bond comprising US$600 million of 5.00% Senior Notes due    
2010 and US$750 million of 5.25% Senior Notes due 2015.  The proceeds were used 
to partially repay the financing arranged to fund the WMC acquisition and to    
repay commercial paper.                                                         
Dividend                                                                        
An interim dividend for the half year ended 31 December 2005 of 17.5 US cents   
per share will be paid to shareholders on 22 March 2006.                        
The dividend paid by BHP Billiton Limited will be fully franked for Australian  
taxation purposes.  Dividends for the BHP Billiton Group are determined and     
declared in US dollars.  However, BHP Billiton Limited dividends are mainly paid
in Australian dollars. BHP Billiton Plc dividends are mainly paid in pounds     
sterling to shareholders on the UK section of the register and South African    
rands to shareholders on the South African section of the register.  The foreign
currency exchange rates that applied two business days before the declaration of
the dividend were used for conversion of currencies (detailed in the table      
below).    As announced on 27 January, shareholders who wish to alter the       
currency in which they receive dividends must lodge an election form with the   
Share Registry at least two days prior to the announcement of the dividend.     
The timetable in respect of this dividend will be:                              
Currency conversion                                    - 13 February 2006       
Last day to trade JSE Limited (JSE)                    - 24 February 2006       
Ex-dividend Australian Stock Exchange (ASX)            - 27 February 2006       
Ex-dividend JSE Limited (JSE)                          - 27 February 2006       
Ex-dividend London Stock Exchange (LSE)                - 1 March 2006           
Record                                                 - 3 March 2006           
Payment                                                - 22 March 2006          
American Depositary Shares (ADSs) each represent two fully paid ordinary shares 
and receive dividends accordingly.                                              
BHP Billiton Plc shareholders registered on the South African section of the    
register will not be able to dematerialise or rematerialise their shareholdings,
and transfers between the UK register and the South African register will not be
permitted, between the dates of 27 February 2006 and 3 March 2006.              
The following table details the currency exchange rates applicable for the      
dividend:                                                                       
Dividend 17.5 US cents         Exchange       Dividend per                  
                                       Rate  ordinary share in                  
                                                local currency                  
    Australian cents               0.737679          23.723056                  
British pence                  1.740344          10.055483                  
    South African cents            6.174017         108.045298                  
    New Zealand cents              0.678210          25.803217                  
Portfolio Management                                                            
During the half year we disposed of a number of assets and interests including  
the divestment of our 50% interest in the Wonderkop joint venture (South        
Africa), the Green Canyon 18 and 60 oil fields in the Gulf of Mexico (US), our  
one third interest in the Hi-Fert fertiliser business (Australia) and our       
ownership of the Zululand Anthracite Colliery (South Africa).                   
Corporate Governance                                                            
The Hon. E Gail de Planque was appointed a Non-executive Director of BHP        
Billiton Limited and BHP Billiton Plc with effect from 19 October 2005. Mr      
Michael Chaney and Lord Renwick of Clifton retired as Directors of both Boards  
on 25 November 2005.  On 8 December 2005 it was announced that Mr Marius        
Kloppers (Group President Non-Ferrous Materials) and Mr Chris Lynch (Chief      
Financial Officer) would join the Board as Executive Directors from 1 January   
2006.                                                                           
Following a review of the Sustainability Committee, the Board restructured the  
Committee.  Its members are now Dr David Brink (Chairman), The Hon. E Gail de   
Planque and Dr John Schubert.  Mr Carlos Cordeiro has been appointed a member of
the Remuneration Committee, and Dr Schubert has ceased being a member of that   
Committee.                                                                      
Outlook                                                                         
Over the last six months the global economy has continued to be buoyant with    
economic growth becoming more broadly based towards the end of last year as     
emerging recoveries in Japan and Europe offset a slowing in the US.  China and  
other countries in Asia have benefited from the robust global economy, while    
strong commodity prices have led to significant gains in the Russian and Latin  
American economies.  Global economic resilience has continued despite a series  
of potential disruptions including rising oil prices and a move to higher       
interest rates in the US.                                                       
The immediate outlook for the global economy continues to be promising.         
Industrial production growth in the OECD is accelerating and the rise in the    
leading indicators suggests further improvement.  In China, recent revisions    
point to the economy growing at an average of around ten per cent per annum over
the past three years and although Chinese economic growth is likely to slow     
somewhat in 2006 it will remain at a relatively high level.  Elsewhere, emerging
markets are likely to enjoy robust economic conditions, although for some       
countries a high level of indebtedness and/or political uncertainty could dampen
the outlook.                                                                    
The positive demand environment and the continued inability of the supply side  
to respond fast enough to increased demand means prices continue to remain      
strong relative to historical levels.  This imbalance in demand and supply is   
caused by the demand growth in emerging economies and the lack of latent mine   
capacity. In addition, delays to new capacity caused by increasing pressures on 
construction costs, the availability of skilled labour and raw materials look   
set to continue for at least the next several years. While the impact of this on
prices will vary by commodity, the fundamentals of our business remain solid as 
we bring on new volumes to take advantage of strong demand and high relative    
prices. Our confidence in the demand outlook for the next 18-24 months (in the  
absence of unforeseen circumstances) and higher than expected prices means we   
are able to continue to return surplus capital to shareholders, while meeting   
our needs to continue to expand our productive capacity.                        
CUSTOMER SECTOR GROUP SUMMARY                                                   
The following table provides a summary of the Customer Sector Group results for 
the half year ended 31 December 2005 and the corresponding period.              
Half year ended     Revenue together with       Underlying EBIT (1)         
    31 December (US$      share of jointly                                      
    Million)            controlled entities"                                    
                            revenues (1)                                        
2005   2004   Change       2005    2004  Change       
    Petroleum            2 960  3 171   (6.7%)      1 436   1 265   13.5%       
    Aluminium            2 344  2 318     1.1%        406     449  (9.6%)       
    Base Metals          4 031  2 341    72.2%      1 893   1 040   82.0%       
Carbon Steel         4 728  3 224    46.7%      2 275     991  129.6%       
    Materials                                                                   
    Diamonds and           679  1 114  (39.0%)        261     406  (35.7%       
    Specialty                                                           )       
Products                                                                    
    Energy Coal          1 769  1 640     7.9%        205     296  (30.7%       
                                                                        )       
    Stainless Steel      1 358  1 013    34.1%        374     337   11.0%       
Materials                                                                   
    Group and              352    417  (15.6%)      (179)   (119)     N/A       
    unallocated items                                                           
    (2)                                                                         
Less: inter-          (49)   (31)      N/A          -       -       -       
    segment turnover                                                            
    BHP Billiton        18 172 15 207    19.5%      6 671   4 665   43.0%       
    Group                                                                       
(1) Revenue together with share of jointly controlled entities" revenue, and    
Underlying EBIT include trading activities comprising the sale of third party   
product.  Underlying EBIT is defined on page 1.                                 
(2) Includes consolidation adjustments, unallocated items and external sales    
from the Group"s freight, transport and logistics operations.                   
Petroleum                                                                       
Underlying EBIT was US$1,436 million, an increase of US$171 million or 13.5%,   
compared with the same period last year. This was mainly due to higher average  
realised prices for all petroleum products, including higher averaged realised  
oil prices per barrel of US$58.25 (compared with US$44.85), higher average      
realised natural gas prices of US$3.13 per thousand standard cubic feet         
(compared with US$2.94), and higher liquefied natural gas prices of US$6.81 per 
thousand standard cubic feet (compared to US$5.68).  Production from ROD        
(Algeria), which commenced commercial production in October 2004, and Mad Dog   
(US) and Angostura (Trinidad and Tobago), which were both commissioned in       
January 2005, and a positive impact from foreign exchange movements also had a  
favourable impact.                                                              
These factors were partly offset by lower production volumes from existing      
operations. The corresponding period had also included a US$56 million profit on
the sale of an equity participation in the North West Shelf Project"s           
(Australia) gas reserves to China National Offshore Oil Corporation.  Other     
unfavourable impacts included one-off costs for the investigation and salvage of
the Typhoon facility (US) following hurricane damage and the loss of earnings   
following the divestment in the corresponding period of our interests in the    
Laminaria and Corallina (Australia) oil fields.                                 
Exploration expenditure charged to profit was US$123 million (corresponding     
period: US$55 million) reflecting a capitalisation rate of 51.0% (corresponding 
period: 59.9%). Gross expenditure on exploration of US$251 million was US$114   
million higher than the corresponding period as a result of increased spending  
on activity in the Gulf of Mexico.                                              
Aluminium                                                                       
Underlying EBIT of US$406 million fell US$43 million or 9.6% compared with the  
same period last year. This was mainly due to higher fuel, power and raw        
material costs (principally caustic soda), as well as increased pot relining    
costs. In addition, the application of IFRS required Aluminium to account for   
embedded derivatives which reduced Underlying EBIT by US$22 million in the      
current period.  Higher realised prices for aluminium, and an improved result   
due to the unwinding of a metal take-off contract of US$35 million in the       
previous period partly offset this result.  The average LME aluminium price     
increased to US$1,952 per tonne, compared with US$1,764 per tonne for the       
corresponding period.                                                           
Base Metals                                                                     
Underlying EBIT was US$1,893 million, an increase of US$853 million, or 82.0%   
compared with the corresponding period.  This was mainly as a result of higher  
average LME prices for all base metals products.  In particular copper LME      
prices increased to US$1.84/lb compared with US$1.35/lb for the same period last
year. The inclusion of Olympic Dam (Australia) results for the current period,  
following its acquisition in June 2005, also contributed positively.  Higher    
sales volumes for all Base Metals products, but particularly for copper and     
molybdenum (in which record production levels were achieved during the period), 
also led to the higher EBIT result.                                             
However, higher price-linked and input costs (mainly reflecting increased TCRC  
costs including price participation), higher statutory labour and production    
bonuses, and increased fuel and other commodity linked costs, all had an impact.
Reduced production at Cerro Colorado (Chile) following an earthquake in June    
2005 also had an unfavourable impact, although this was partially mitigated by  
business interruption insurance.                                                
Carbon Steel Materials                                                          
Underlying EBIT was US$2,275 million, up US$1,284 million or 129.6% from the    
corresponding period. Contributing factors included stronger commodity prices   
for iron ore and metallurgical coal, although manganese alloy prices were lower.
Increased operating costs at most operations also affected Underlying EBIT.  In 
particular this included price linked royalties and higher contractor and diesel
costs, which are reflective of the current heated market conditions. Increased  
mining costs are being incurred across most Carbon Steel Materials operations to
maximise production in the current high demand environment.  These additional   
costs are largely cyclical in nature.  Inflationary pressures on Australian and 
South African operations also had an unfavourable impact compared with the      
corresponding period. Depreciation charges increased at Western Australian Iron 
Ore, Queensland Coal and Illawarra Coal operations (all Australia) due to the   
commissioning of new plant at these operations.                                 
The same period last year included costs in relation to Boodarie Iron while the 
plant was on care and maintenance.  There was no impact on Underlying EBIT in   
the current period as all anticipated closure costs were provided for in June   
2005 following the decision to close this operation.                            
Diamonds and Specialty Products                                                 
Underlying EBIT was US$261 million, a decrease of US$145 million or 35.7%,      
compared with the corresponding period. This was due to lower realised prices   
for diamonds (down 19.6% from the corresponding period) because of lower carat  
quality, higher costs in relation to the processing of lower grade material and 
lower diamond sales volumes (down 3.1% from the corresponding period). In       
addition, the corresponding period included earnings from Integris Metals (US), 
which was sold in January 2005.  However, the inclusion for the first time of   
earnings from Southern Cross Fertiliser operations (Australia) (formerly        
Queensland Fertilizer Operations) acquired in June 2005 was positive, as was    
higher realised prices and sales volumes for titanium feedstock.                
Half yearly Ekati (Canada) diamond production decreased by 21.1% compared to the
corresponding period mainly reflecting the processing of lower grade ore. The   
second half of the 30 June 2006 financial year will continue to be negatively   
impacted by the processing of lower grade and lower value material at Ekati.    
Energy Coal                                                                     
Underlying EBIT was US$205 million, a decrease of US$91 million or 30.7%,       
compared with the corresponding period. This was mainly a result of higher unit 
costs across all operations.  Costs increased at Ingwe (South Africa) because of
higher depreciation resulting from changes in the estimates of the economic     
lives of certain operations, the depreciation of rehabilitation assets and      
inflationary impacts. Increased demurrage at Cerrejon Coal (Colombia) and lower 
yields and equipment availability combined with increased strip ratios at Hunter
Valley Coal (Australia) also led to higher costs. Lower export prices at Ingwe  
also had a negative impact. However, increased export sales volumes from Ingwe  
along with a favourable impact from the depreciation of the rand against the US 
dollar, positively contributed to the result.                                   
Stainless Steel Materials                                                       
Underlying EBIT was US$374 million, an increase of US$37 million or 11.0%,      
compared with the corresponding period. The inclusion of results from the Nickel
West operations (Australia), acquired in June 2005, as well as a US$61 million  
profit on sale of BHP Billiton"s interest in the Wonderkop joint venture (South 
Africa), were the key factors in the increased result.                          
Negative impacts included lower production and increased costs at the QNI Yabulu
refinery (Australia) as a result of lower operational performance and tie-in    
activity relating to the refinery expansion.  The average LME nickel price also 
fell to US$6.17/lb from US$6.36/lb in the corresponding period.  Also offsetting
the increase in Underlying EBIT was US$59 million included in the comparative   
period result relating to earnings from the Group"s Chrome operations, which BHP
Billiton sold effective 1 June 2005.                                            
Group and Unallocated Items                                                     
Underling net corporate operating costs excluding exchange impacts were US$108  
million compared to US$51 million in the corresponding period - an increase of  
US$57 million.  This was due primarily to higher net insurance costs of US$24   
million associated with insurance claims arising from natural disasters and     
incidents, which are primarily offset by insurance income in the CSGs results.  
Employee share award and pension costs increased US$10 million over the         
corresponding period.  In addition, higher corporate IT projects and regulatory 
compliance, including Sarbanes Oxley, contributed approximately US$12 million to
the increased costs.                                                            
Increased costs were also incurred in the current period in relation to the     
transition and integration of the WMC business.                                 
Minerals exploration and technology expenditure has increased from US$27 million
to US$48 million, mainly due to increased exploration activity in Africa and    
Brazil.                                                                         
Forward-looking statements Certain statements contained in this release,        
including statements in the section entitled `Introduction" and `Outlook", may  
constitute `forward-looking statements" within the meaning of the US Private    
Securities Litigation Reform Act of 1995.  We undertake no obligation to revise 
the forward-looking statements included in this release to reflect any future   
events or circumstances. Our actual results, performance or achievements could  
differ materially from the results expressed in, or implied by, these forward-  
looking statements. Factors that could cause or contribute to such differences  
are discussed in the sections entitled `Key Information-Risk Factors";          
`Operating and Financial Review and Prospects-Our Business-External Factors     
Affecting Our Results" and `Trends and Uncertainties" included in our annual    
report on Form 20-F as amended by the Form 20-F/A for the fiscal year ended 30  
June 2005, which we filed with the US Securities and Exchange Commission (SEC)  
on 3 October 2005 and 10 November 2005 respectively and is available on the     
SEC"s website at `www.sec.gov". Nothing in this release should be construed as  
either an offer to sell or a solicitation of an offer to buy or sell securities 
in any jurisdiction.                                                            
Further information on BHP Billiton can be found on our Internet site:          
http://www.bhpbilliton.com                                                      
   Australia                            United Kingdom                          
   Jane Belcher, Investor Relations     Mark Lidiard, Investor & Media          
   Tel: +61 3 9609 3952                 Relations                               
Mobile: +61 417 031 653              Tel: +44 20 7802 4156                   
   email:                               Mobile: + 44 7769 934 942               
   Jane.H.Belcher@bhpbilliton.com       email: Mark.Lidiard@bhpbilliton.com     
   Samantha Evans, Media Relations      Ariane Gentil, Media Relations          
Tel: +61 3 9609 2898                 Tel: +44 20 7802 4177                   
   Mobile: +61 400 693 915              Mobile: +44 7881 518 715                
   email:                               email:                                  
   Samantha.Evans@bhpbilliton.com       Ariane.Gentile@bhpbilliton.com          
United States                        South Africa                            
   Tracey Whitehead, Investor           Alison Gilbert, Investor Relations      
   Relations                            Tel SA: +27 11 376 2121 or              
   Tel: +44 020 7802 4031               UK: +44 20 7802 4183                    
Mobile: +44 7917 648 093             email:                                  
   email:                               Alison.Gilbert@bhpbilliton.com          
   Tracey.Whitehead@bhpbilliton.com                                             
BHP Billiton Limited                                                            
ABN 49 004 028 077                                                              
Registered in Australia                                                         
Registered Office: 180 Lonsdale Street Melbourne Victoria 3000 Australia        
Telephone +61 1300 55 4757                                                      
Facsimile +61 3 9609 3015                                                       
BHP Billiton Plc                                                                
Registration number 3196209                                                     
Registered in England and Wales                                                 
Registered Office: Neathouse Place London SW1V 1BH United Kingdom               
Telephone +44 20 7802 4000                                                      
Facsimile +44 20 7802 4111                                                      
The BHP Billiton Group is headquartered in Australia                            
INTERIM FINANCIAL REPORT                                                        
For the half year ended 31 December 2005                                        
Page                                                                            
CONTENTS                                                                        
Financial Statements                                                            
Consolidated Income Statement                                    15             
Consolidated Balance Sheet                                       16             
Consolidated Cash Flow Statement                                 17             
Consolidated Statement of Recognised Income and Expense          18             
Notes to the Interim Financial Statements                        19             
Notes to Financial Statements                                    Page           
1    Acquired operations                                         19             
2    Business segments                                           20             
3    Significant items   22                                                     
4    Investments accounted for using the equity method           23             
5    Net finance costs                                           23             
6    Taxation                                                    23             
7    Earnings per share                                          24             
8    Dividends                                                   24             
9    Assets classified as held for sale                          25             
10   Interest bearing liabilities                                25             
11   Total equity                                                25             
12   Contingent liabilities                                      25             
13   Commitments                                                 26             
14   Subsequent events                                           26             
15   IFRS transition                                             26             
16   Dual Listed Companies Structure and Basis of Preparation                   
     of Interim Financial Statements                             31             
17   Accounting Policies                                         33             
Directors" Report                                                42             
Directors" Declaration                                           44             
Auditor"s Independence Declaration                               44             
Review Report                                                    45             
Consolidated Income Statement for half year ended 31 December 2005              
                                                     Half      Half      Year   
                                                     year      year     ended   
ended     ended   30 June   
                                                       31        31      2005   
                                                 December  December             
                                                     2005      2004             
Notes        US$M      US$M      US$M   
  Revenue together with share of                                                
  jointly controlled entities" revenue                                          
  Group production                                 15 638    11 537    25 037   
Third party products                              2 534     3 670     6 113   
                                                   18 172    15 207    31 150   
  Less: Share of jointly controlled               (2 880)   (2 410)   (4 428)   
  entities" external revenue included                                           
above                                                                         
  Revenue                                          15 292    12 797    26 722   
  Other income                                        297       179       757   
  Expenses excluding finance costs               (10 771)   (9 469)  (19 995)   
Share of profits from jointly         4           1 441       862     1 787   
  controlled entities                                                           
  Profit from operations                            6 259     4 369     9 271   
  Comprising:                                                                   
Group production                                  6 148     4 338     9 157   
  Third party products                                111        31       114   
                                                    6 259     4 369     9 271   
  Financial income                      5              93        96       216   
Financial expenses                    5           (308)     (288)     (547)   
  Net finance costs                     5           (215)     (192)     (331)   
  Profit before taxation                            6 044     4 177     8 940   
  Taxation                              6         (1 389)     (847)   (1 876)   
Royalty related taxation (net of      6           (227)     (266)     (436)   
  income tax benefit)                                                           
  Total taxation expense                          (1 616)   (1 113)   (2 312)   
  Profit after taxation                             4 428     3 064     6 628   
Profit attributable to minority                    (64)     (111)     (232)   
  interests                                                                     
  Profit attributable to members of                 4 364     2 953     6 396   
  BHP Billiton Group                                                            
Earnings per ordinary share (basic)   7            72.1      47.7     104.4   
  (US cents)                                                                    
  Earnings per ordinary share           7            71.9      47.5     103.9   
  (diluted) (US cents)                                                          
Dividends per ordinary share - paid   8            14.5       9.5      23.0   
  during the period (US cents)                                                  
  Dividends per ordinary share -        8            17.5      13.5      28.0   
  proposed in the announcement of the                                           
results for the period (US cents)                                             
The accompanying notes form part of these financial statements.                 
Consolidated Balance Sheet as at 31 December 2005                               
                                                       31        31    30 June  
December  December       2005  
                                                     2005      2004             
                                        Notes        US$M      US$M       US$M  
  ASSETS                                                                        
Current assets                                                                
  Cash and cash equivalents                           809       757      1 222  
  Trade and other receivables                       3 732     2 826      3 216  
  Other financial assets                              843        51         45  
Inventories                                       2 509     2 042      2 399  
  Assets classified as held for sale    9              46         -          -  
  Other                                               142       202        150  
  Total current assets                              8 081     5 878      7 032  
Non-current assets                                                            
  Trade and other receivables                         748       972        849  
  Other financial assets                              927       251        255  
  Inventories                                          83         8         71  
Investments in jointly controlled                 3 736     3 045      3 264  
  entities                                                                      
  Property, plant and equipment                    29 005    19 183     27 438  
  Intangible assets                                   455       481        461  
Deferred tax assets                               1 180     2 041      1 906  
  Other                                               100        69         96  
  Total non-current assets                         36 234    26 050     34 340  
  Total assets                                     44 315    31 928     41 372  
LIABILITIES                                                                   
  Current liabilities                                                           
  Trade and other payables                          3 633     2 419      3 908  
  Interest bearing liabilities          10          1 106     1 154      1 298  
Other financial liabilities                         775         -          -  
  Current tax payable                                 864       698        938  
  Provisions                                          901       657      1 040  
  Deferred income                                     122       194        120  
Total current liabilities                         7 401     5 122      7 304  
  Non-current liabilities                                                       
  Non-trade payables                                  163       159        156  
  Interest bearing liabilities          10          8 425     4 144      8 649  
Other financial liabilities                         159         -          -  
  Deferred tax liabilities                          1 370     2 895      2 372  
  Provisions                                        4 674     3 840      4 613  
  Deferred income                                     691       345        362  
Total non-current liabilities                    15 482    11 383     16 152  
  Total liabilities                                22 883    16 505     23 456  
  NET ASSETS                                       21 432    15 423     17 916  
  EQUITY                                                                        
Share capital - BHP Billiton Limited              1 628     1 591      1 611  
  Share capital - BHP Billiton Plc                  1 234     1 234      1 234  
  Share premium account                               518       518        518  
  Reserves                                            265       145        153  
Retained earnings                                17 495    11 508     14 059  
  Total equity attributable to members             21 140    14 996     17 575  
  of BHP Billiton Group                                                         
  Minority interests                                  292       427        341  
Total equity                          11         21 432    15 423     17 916  
The accompanying notes form part of these financial statements.                 
Consolidated Cash Flow Statement for half year ended 31 December 2005           
                                                     Half      Half       Year  
year      year      ended  
                                                    ended     ended    30 June  
                                                       31        31       2005  
                                                 December  December             
2005      2004             
                                                     US$M      US$M       US$M  
  Operating activities                                                          
  Receipts from customers                          15 582    14 161     28 425  
Payments to suppliers and employees            (10 246)  (10 329)   (18 801)  
  Cash generated from operations                    5 336     3 832      9 624  
  Dividends received                                  921       431      1 002  
  Interest received                                    60        48         90  
Interest paid                                     (209)     (134)      (315)  
  Income tax paid                                 (1 511)     (652)    (1 476)  
  Royalty related taxation paid                     (289)     (328)      (551)  
  Net operating cash flows                          4 308     3 197      8 374  
Investing activities                                                          
  Purchases of property, plant and                (2 317)   (1 358)    (3 450)  
  equipment                                                                     
  Exploration expenditure (including                (348)     (199)      (531)  
amounts capitalised)                                                          
  Purchases of investments and funding                (5)      (14)       (42)  
  of jointly controlled entities                                                
  Purchases of, or increased investment in,         (500)         -    (6 198)  
subsidiaries operations and jointly                                           
  controlled entities, net of their cash                                        
  Cash outflows from investing                    (3 170)   (1 571)   (10 221)  
  activities                                                                    
Proceeds from sale of property,                      37        38        153  
  plant and equipment                                                           
  Proceeds from sale or redemption of                 108        73        227  
  investments                                                                   
Proceeds from sale or partial sale                  111         1        675  
  of subsidiaries, operations and                                               
  jointly controlled entities net of                                            
  their cash                                                                    
Net investing cash flows                        (2 914)   (1 459)    (9 166)  
  Financing activities                                                          
  Proceeds from ordinary share issues                  24        38         66  
  Proceeds from interest bearing                    3 946       590      5 668  
liabilities                                                                   
  Repayment of interest bearing                   (4 646)     (656)    (1 735)  
  liabilities                                                                   
  Purchase of shares by ESOP trusts                 (145)      (29)       (47)  
Share repurchase scheme - BHP                         -   (1 792)    (1 792)  
  Billiton Limited                                                              
  Dividends paid                                    (877)     (594)    (1 404)  
  Dividends paid to minority interests              (112)      (32)      (238)  
Repayment of finance leases                         (1)      (13)       (22)  
  Net financing cash flows                        (1 811)   (2 488)        496  
  Net increase in cash and cash                     (417)     (750)      (296)  
  equivalents                                                                   
Cash and cash equivalents, net of                 1 207     1 509      1 509  
  overdrafts, at beginning of period                                            
  Effect of foreign currency exchange                                           
  rate changes on cash and cash                                                 
equivalents                                         (1)       (5)        (6)  
  Cash and cash equivalents, net of                   789       754      1 207  
  overdrafts, at end of period                                                  
The accompanying notes form part of these financial statements.                 
Consolidated Statement of Recognised Income and Expense                         
for the six months ended 31 December 2005                                       
                                                     Half      Half       Year  
                                                     year      year      ended  
ended     ended    30 June  
                                                       31        31       2005  
                                                 December  December             
                                                     2005      2004             
Notes        US$M      US$M       US$M  
  Profit for the period                             4 428     3 064      6 628  
  Amounts recognised directly in                                                
  equity                                                                        
Actuarial gains/(losses) on pension                   6      (78)      (149)  
  and medical plans                                                             
  Available for sale investments:                                               
    Valuation gains/(losses) taken to                   4         -          -  
equity                                                                        
  Cash flow hedges:                                                             
    Gains/(losses) taken to equity                   (35)         -          -  
    Gains/(losses) transferred to the                (34)         -          -  
initial carrying amount of hedged                                             
  items                                                                         
  Exchange fluctuations of foreign                   (12)        42          7  
  currency net assets                                                           
Tax on items recognised directly to                  43        29         52  
  or transferred from equity                                                    
                                                     (28)       (7)       (90)  
  Total recognised income and expense               4 400     3 057      6 538  
for the period                                                                
  Attributable to minority interests                 (64)     (111)      (232)  
  Attributable to members of BHP                    4 336     2 946      6 306  
  Billiton Group                                                                
Effect of change in accounting                                                
  policy:                                                                       
  Impact of adoption of IAS 39 / AASB                                           
  139 (net of tax) to:                                                          
- retained earnings                  11             55         -          -  
   - hedging reserve                    11             30         -          -  
   - financial assets reserve           11            116         -          -  
  Attributable to minority interests                    -         -          -  
Attributable to members of BHP                      201         -          -  
  Billiton Group                                                                
The accompanying notes form part of these financial statements                  
Notes to the Interim Financial Statements                                       
1 Acquired operations                                                           
During the prior year ended 30 June 2005 the BHP Billiton Group obtained control
of WMC Resources Ltd (WMC).  WMC was acquired on 3 June 2005 for a total cash   
consideration of US$7,229 million made up of a price of A$7.85 per share plus   
acquisition related costs.                                                      
Due to the complexity and timing of the acquisition, the fair values of the     
assets and liabilities acquired which were reported at 30 June 2005 were        
provisional and are subject to review during the year ending 30 June 2006.      
As at 31 December 2005, the provisional fair values have been updated to reflect
the latest information available.  The review of the fair values of the assets  
and liabilities acquired is still in progress, and these updated provisional    
values remain subject to review during the six months to 30 June 2006.          
The following table details the adjustments to the fair values of the net assets
acquired which have been reflected in the six months to 31 December 2005:       
                               Note   Provisional    Adjustments       Updated  
                                       fair value                  provisional  
at                  fair values  
                                      acquisition                           at  
                                              (f)                  acquisition  
                                               US$M         US$M          US$M  
Cash and cash equivalents                       396            -           396  
Trade and other receivables                     281          (1)           280  
Inventories                    a                615            2           617  
Property, plant and equipment  b              7 172           71         7 243  
Other assets (including        a                108           15           123  
intangibles)                                                                    
Trade and other payables                      (366)            1         (365)  
Interest bearing liabilities                  (737)            -         (737)  
Provisions                     c              (233)          (5)         (238)  
Current and deferred tax       d                (4)          151           147  
balances                                                                        
Other liabilities              e                (3)        (234)         (237)  
Net assets acquired                           7 229            -         7 229  
Fair values of inventories and other assets acquired were updated during the six
months to 31 December 2005.                                                     
Valuations of property, plant and equipment were performed during the six months
to 31 December 2005 resulting in an increase to the value of property, plant and
equipment to reflect the finalisation of replacement cost and estimated         
remaining useful lives, in particular in relation to the Olympic Dam operations.
The fair value of mineral assets have decreased to reflect the updated estimates
of the values of the assets and liabilities of the businesses acquired.  In     
addition, there has been a transfer of mineral asset value from the Nickel West 
operations to the Olympic Dam operations following the refinement and validation
of the detailed valuation models.                                               
Provisions have increased following a review of the level of provisioning, in   
particular in relation to site restoration and environmental rehabilitation     
provisions at the Olympic Dam operations, offset by decreased provisions        
relating to transaction related costs.                                          
Deferred tax assets have increased following the increase in provisions and     
other liabilities, and a reduction in the estimated temporary difference arising
from the resetting of tax bases resulting from the acquisition.                 
Other liabilities have increased for the fair value of fixed price uranium sales
contracts with contract prices below market prices at the date of acquisition.  
For presentation purposes, these amounts are classified as deferred income as   
the amount will be released to revenue as the contracts are fulfilled.          
These amounts differ to the amounts included in the IFRS balance sheet as       
presented in the note on the impact of adopting IFRS in the financial statements
for the year ended 30 June 2005.  This follows resolution of the treatment of   
deferred tax on mineral assets as referred to in note 15.                       
Notes to the Interim Financial Statements                                       
2 Business segments                                                             
Business segments                                                               
The BHP Billiton Group has grouped its major operating assets into the following
Customer Sector Groups (CSGs):                                                  
* Petroleum (exploration for and production, processing and marketing of        
hydrocarbons including oil, gas and LNG);                                       
* Aluminium (exploration for and mining of bauxite, processing and marketing of 
aluminium and alumina);                                                         
*Base Metals (exploration for and mining, processing and marketing of copper,   
silver, zinc, lead, uranium and copper by-products including gold);             
* Carbon Steel Materials (exploration for and mining, processing and marketing  
of coking coal, iron ore and manganese);                                        
* Diamonds and Specialty Products (EKATI diamond mine and titanium operations); 
* Energy Coal (exploration for and mining, processing and marketing of steaming 
coal); and                                                                      
* Stainless Steel Materials (exploration for and mining, processing and         
marketing of nickel and, prior to divestment, chrome).                          
Group and unallocated items represent Group centre functions, certain           
comparative data for divested assets and investments, and exploration and       
technology activities.                                                          
It is the Group"s policy that inter-segment sales are made on a commercial      
basis.                                                                          
Business segment information                                                    
US$ million     Petroleum   Aluminium     Base     Carbon   Diamonds            
Metals      Steel        and    Energy  
                                                Materials  Specialty      Coal  
                                                            Products            
Half year                                                                       
ended 31                                                                        
December 2005                                                                   
Revenue                                                                         
together with                                                                   
share of                                                                        
jointly                                                                         
controlled                                                                      
entities"                                                                       
revenue from                                                                    
external                                                                        
customers                                                                       
Sale of group       2 371       1 575    3 549      4 674        679     1 399  
production                                                                      
Sale of third         542         769      481         34          -       370  
party product                                                                   
Rendering of            -           -        1         18          -         -  
services                                                                        
Inter-segment          47           -        -          2          -         -  
revenue                                                                         
                    2 960       2 344    4 031      4 728        679     1 769  
Less: share of        (3)        (46)  (2 062)      (345)      (201)     (222)  
jointly                                                                         
controlled                                                                      
entities"                                                                       
external                                                                        
revenue                                                                         
included above                                                                  
Segment             2 957       2 298    1 969      4 383        478     1 547  
revenue                                                                         
Segment result      1 431         329      490      2 068        190       103  
Other                   5           -        -          8          -         -  
attributable                                                                    
income (1)                                                                      
Share of                -          56    1 114        160         33        77  
profits from                                                                    
jointly                                                                         
controlled                                                                      
entities                                                                        
Profit from         1 436         385    1 604      2 236        223       180  
operations                                                                      
Net finance                                                                     
costs                                                                           
Taxation                                                                        
Royalty                                                                         
related                                                                         
taxation                                                                        
Profit after                                                                    
taxation                                                                        
(1) Other attributable income represents the re-allocation of certain items     
recorded in the segment result of group & unallocated items / eliminations to   
the applicable CSG / business segment.                                          
Business segment information (continued)                                        
US$ million                           Stainless      Group and          BHP     
                                          Steel    unallocated     Billiton     
                                      Materials         items/        Group     
                                                  eliminations                  
Half year ended 31 December 2005                                                
Revenue together with share of                                                  
jointly controlled entities"                                                    
revenue  from external customers                                                
Sale of group production                  1 346              5       15 598     
Sale of third party product                  12            326        2 534     
Rendering of services                         -             21           40     
Inter-segment revenue                         -           (49)            -     
1 358            303       18 172     
Less: share of jointly controlled             -            (1)      (2 880)     
entities" external revenue                                                      
included above                                                                  
Segment revenue                           1 358            302       15 292     
Segment result                              374          (167)        4 818     
Other attributable income (1)                 -           (13)            -     
Share of profits from jointly                 -              1        1 441     
controlled entities                                                             
Profit from operations                      374          (179)        6 259     
Net finance costs                                                     (215)     
Taxation                                                            (1 389)     
Royalty related taxation                                              (227)     
Profit after taxation                                                 4 428     
(1) Other attributable income represents the re-allocation of certain items     
recorded in the segment result of group & unallocated items / eliminations to   
the applicable CSG / business segment.                                          
Notes to the Interim Financial Statements                                       
2 Business segments (continued)                                                 
Business segment information                                                    
US$ million      Petroleum  Aluminium     Base     Carbon   Diamonds            
                                        Metals      Steel        and    Energy  
                                                Materials  Specialty      Coal  
                                                            Products            
Half year                                                                       
ended 31                                                                        
December 2004                                                                   
Revenue                                                                         
together with                                                                   
share of                                                                        
jointly                                                                         
controlled                                                                      
entities"                                                                       
revenue from                                                                    
external                                                                        
customers                                                                       
Sale of group        1 924      1 590    1 978      3 109        591     1 296  
production                                                                      
Sale of third        1 224        728      363         90        523       344  
party product                                                                   
Rendering of             -          -        -         17          -         -  
services                                                                        
Inter-segment           23          -        -          8          -         -  
revenue                                                                         
3 171      2 318    2 341      3 224      1 114     1 640  
Less: share of           -             (1 325)      (191)      (644)     (196)  
jointly                          (39)                                           
controlled                                                                      
entities"                                                                       
external                                                                        
revenue                                                                         
included above                                                                  
Segment              3 171      2 279    1 016      3 033        470     1 444  
revenue                                                                         
Segment result       1 260        359      209        919        335       196  
Other                    5          5        -          -          -         2  
attributable                                                                    
income (1)                                                                      
Share of                 -         67      636         61         22        75  
profits from                                                                    
jointly                                                                         
controlled                                                                      
entities                                                                        
Profit from          1 265        431      845        980        357       273  
operations                                                                      
Net finance                                                                     
costs                                                                           
Taxation                                                                        
Royalty                                                                         
related                                                                         
taxation                                                                        
Profit after                                                                    
taxation                                                                        
(1) Other attributable income represents the re-allocation of certain items     
recorded in the segment result of group & unallocated items / eliminations to   
the applicable CSG / business segment.                                          
Notes to the Interim Financial Statements                                       
2 Business segments (continued)                                                 
Business segment information                                                    
US$ million                            Stainless      Group and           BHP   
Steel    unallocated      Billiton   
                                       Materials         items/         Group   
                                                   eliminations                 
Half year ended 31 December 2004                                                
Revenue together with share of                                                  
jointly controlled entities"                                                    
revenue from external customers                                                 
Sale of group production                   1 011             10        11 509   
Sale of third party product                    2            396         3 670   
Rendering of services                          -             11            28   
Inter-segment revenue                          -           (31)             -   
                                           1 013            386        15 207   
Less: share of jointly controlled            (7)            (8)       (2 410)   
entities" external revenue                                                      
included above                                                                  
Segment revenue                            1 006            378        12 797   
Segment result                               337          (108)         3 507   
Other attributable income (1)                  -           (12)             -   
Share of profits from jointly                  -              1           862   
controlled entities                                                             
Profit from operations                       337          (119)         4 369   
Net finance costs                                                       (192)   
Taxation                                                                (847)   
Royalty related taxation                                                (266)   
Profit after taxation                                                   3 064   
(1) Other attributable income represents the re-allocation of certain items     
recorded in the segment result of group & unallocated items / eliminations to   
the applicable CSG / business segment.                                          
Business segment information                                                    
US$ million      Petroleum  Aluminium     Base     Carbon   Diamonds            
                                        Metals      Steel        and    Energy  
                                                Materials  Specialty      Coal  
Products            
Year ended 30                                                                   
June 2005                                                                       
Revenue                                                                         
together with                                                                   
share of                                                                        
jointly                                                                         
controlled                                                                      
entities"                                                                       
revenue from                                                                    
external                                                                        
customers                                                                       
Sale of group        3 953      3 380    4 372      7 298        986     2 718  
production                                                                      
Sale of third        1 955      1 266      670        238        523       669  
party product                                                                   
Rendering of             -          -        1         34          -         -  
services                                                                        
Inter-segment           62          5        -         27          -         -  
revenue                                                                         
5 970      4 651    5 043      7 597      1 509     3 387  
Less: share of         (3)       (80)  (2 714)      (429)      (778)     (416)  
jointly                                                                         
controlled                                                                      
entities"                                                                       
external                                                                        
revenue                                                                         
included above                                                                  
Segment              5 967      4 571    2 329      7 168        731     2 971  
revenue                                                                         
Segment result       2 523        758      481      2 330        429       319  
Other                    6         26        -          2         19         1  
attributable                                                                    
income (1)                                                                      
Share of                 -        139    1 285        148         77       137  
profits from                                                                    
jointly                                                                         
controlled                                                                      
entities"                                                                       
Profit from          2 529        923    1 766      2 480        525       457  
operations                                                                      
Net finance                                                                     
costs                                                                           
Taxation                                                                        
Royalty                                                                         
related                                                                         
taxation                                                                        
Profit after                                                                    
taxation                                                                        
(1) Other attributable income represents the re-allocation of certain items     
recorded in the segment result of group & unallocated items / eliminations to   
the applicable CSG / business segment.                                          
Business segment information (continued)                                        
US$ million                           Stainless    Group and      BHP           
                                      Steel        unallocated    Billiton      
                                      Materials    items/         Group         
eliminations                 
Year ended 30 June 2005                                                         
Revenue together with share of                                                  
jointly controlled entities" revenue                                            
from external customers                                                         
Sale of group production              2 265        4              24 976        
Sale of third party product           9            783            6 113         
Rendering of services                 -            26             61            
Inter-segment revenue                 -            (94)           -             
                                      2 274        719            31 150        
Less: share of jointly controlled     (8)          -              (4 428)       
entities" external revenue included                                             
above                                                                           
Segment revenue                       2 266        719            26 722        
Segment result                        828          (184)          7 484         
Other attributable income (1)         25           (79)           -             
Share of profits from jointly         1            -              1 787         
controlled entities"                                                            
Profit from operations                854          (263)          9 271         
Net finance costs                                                 (331)         
Taxation                                                          (1 876)       
Royalty related taxation                                          (436)         
Profit after taxation                                             6 628         
(1) Other attributable income represents the re-allocation of certain items     
recorded in the segment result of group & unallocated items / eliminations to   
the applicable CSG / business segment.                                          
Notes to the Interim Financial Statements                                       
3 Significant items                                                             
Individually significant items are those items where their nature and amount is 
considered material and require separate disclosure.  Such items included within
the BHP Billiton Group profit for the period are detailed below.                
Half year ended 31 December 2005                                                
There were no significant items for half year ended 31 December 2005.           
Half year ended 31 December 2004                                                
There were no significant items for half year ended 31 December 2004.           
Year ended 30 June 2005                                                         
Gross        Tax        Net           
                                           US$M       US$M       US$M           
Significant items by category                                                   
Sale of Laminaria and Corallina             134       (10)        124           
Disposal of Chrome operations               142        (6)        136           
Termination of operations                 (266)         80      (186)           
Closure plans                             (121)         17      (104)           
Total by category                         (111)         81       (30)           
Significant items by Customer                                                   
Sector Group                                                                    
Petroleum                                   134       (10)        124           
Base Metals                                (29)        (4)       (33)           
Energy Coal                                (73)         21       (52)           
Stainless Steel Materials                   142        (6)        136           
Carbon Steel Materials                    (285)         80      (205)           
Total by Customer Sector Group            (111)         81       (30)           
Sale of Laminaria and Corallina                                                 
In January 2005, the Group disposed of its interest in the Laminaria and        
Corallina oil fields to Paladin Resources plc. Proceeds on the sale were US$130 
million resulting in a profit before tax of US$134 million (US$10 million tax   
expense).                                                                       
Disposal of Chrome operations                                                   
Effective 1 June 2005, BHP Billiton disposed of its economic interest in the    
majority of its South African chrome business to the Kermas Group. The total    
proceeds on the sale were US$421 million, resulting in a profit of US$127       
million (US$1 million tax expense). In addition, the Group sold its interest in 
the Palmiet chrome business to Mogale Alloys in May 2005 for proceeds of US$12  
million, resulting in a profit of US$15 million (US$5 million tax expense).     
Provision for termination of operations                                         
The Group decided to decommission the Boodarie Iron (Australia) operations and a
charge of US$266 million (US$80 million tax benefit) relating to termination of 
the operation was recognised. The charge primarily relates to settlement of     
existing contractual arrangements, plant decommissioning, site rehabilitation,  
redundancy and other closure related costs/charges associated with the closure. 
Closure plans                                                                   
As part of the Group"s regular review of decommissioning and site restoration   
plans, the Group reassessed plans in respect of certain closed operations.  A   
total charge of US$121 million (US$104 million after tax) was recorded and      
included a charge of US$73 million (US$21 million tax benefit) for closed mines 
at Ingwe (South Africa) in relation to revision of the Group"s assessed         
rehabilitation obligation, predominantly resulting from revised water management
plans; and a charge of US$48 million (US$4 million tax expense) in relation to  
other closed mining operations.                                                 
Notes to the Interim Financial Statements                                       
4 Investments accounted for using the equity method                             
Material         Ownership interest at BHP    Contribution to profit after      
shareholdings in  Billiton Group reporting              taxation                
jointly                   date (a)                                              
controlled                                                                      
entities                                                                        
                        31        31     30        31        31     30 June     
                  December  December   June  December  December        2005     
2005      2004   2005      2005      2004                 
                         %         %      %      US$M      US$M        US$M     
Samarco                 50        50     50       163        59         148     
Mineracao SA                                                                    
Minera               33.75     33.75  33.75       170        84         194     
Antamina SA                                                                     
Carbones del          33.3      33.3   33.3        77        76         138     
Cerrejon LLC                                                                    
Integris                 -        50      -         -        17          17     
Metals Inc (b)                                                                  
Escondida             57.5      57.5   57.5       944       552       1 090     
Mozal                 47.1      47.1   47.1        60        62         130     
Valesul               45.5      45.5   45.5       (4)         5           9     
Aluminio                                                                        
Other (c)                                          31         7          61     
Total                                           1 441       862       1 787     
(a) Ownership interest reflects the interest held at the end of the reporting   
periods.  The proportion of voting power held corresponds to ownership interest.
(b) Subsequent to 31 December 2004, the BHP Billiton Group sold its interest in 
Integris Metals Inc.                                                            
(c) Includes immaterial jointly controlled entities and the Richards Bay        
Minerals joint venture owned 50% (31 December 2004: 50%; 30 June 2005: 50%).    
5 Net finance costs                                                             
                                                 Half      Half      Year       
year      year     ended       
                                                ended     ended   30 June       
                                                   31        31      2005       
                                             December  December                 
2005      2004                 
                                                 US$M      US$M      US$M       
Financial expenses:                                                             
Interest on bank loans and overdrafts              71        13        34       
Interest on all other loans                       133       111       254       
Finance lease and hire purchase interest            3         2         6       
                                                  207       126       294       
Dividends on redeemable preference shares          13        12        25       
Discounting on provisions and other               107        78       173       
liabilities                                                                     
Discounting on pension and medical benefit         40        56       114       
entitlements                                                                    
Interest capitalised (a)                         (57)      (42)      (78)       
                                                  310       230       528       
Exchange differences on net debt (b)              (2)        58        19       
                                                  308       288       547       
Financial income:                                                               
Interest income                                  (53)      (48)     (118)       
Return on pension plan assets                    (40)      (48)      (98)       
                                                 (93)      (96)     (216)       
Net finance costs                                 215       192       331       
(a) Interest has been capitalised at the rate of interest applicable to the     
specific borrowings financing the assets under construction or, where financed  
through general borrowings, at a capitalisation rate representing the average   
interest rate on such borrowings. For the half year ended 31 December 2005 the  
capitalisation rate was 4.6 per cent (31 December 2004: 4.25 per cent; 30 June  
2005: 4.6 per cent).                                                            
(b) Exchange differences on net debt primarily represent the effect on          
borrowings of movements in the South African rand against the US dollar.        
6 Taxation                                                                      
Taxation expense including royalty related       Half      Half      Year       
taxation                                         year      year     ended       
ended     ended   30 June       
                                                   31        31      2005       
                                             December  December                 
                                                 2005      2004                 
US$M      US$M      US$M       
UK taxation expense                               131        57       206       
Australian taxation expense                     1 180       808     1 613       
Overseas taxation expense                         305       248       493       
Taxation expense                                1 616     1 113     2 312       
Notes to the Interim Financial Statements                                       
7 Earnings per share                                                            
                                                 Half      Half      Year       
year      year     ended       
                                                ended     ended   30 June       
                                                   31        31      2005       
                                             December  December                 
2005      2004                 
Basic earnings per share (US cents)              72.1      47.7     104.4       
Diluted earnings per share (US cents)            71.9      47.5     103.9       
Basic earnings per American Depositary          144.2                           
Share (ADS) (US cents) (a)                                 95.4     208.8       
Diluted earnings per American Depositary        143.8                           
Share (ADS) (US cents) (a)                                 95.0     207.8       
Basic earnings (US$ million)                    4 364     2 953     6 396       
Diluted earnings (US$ million) (b)              4 370     2 956     6 399       
The weighted average number of shares used for the purposes of calculating      
diluted earnings per share reconciles to the number used to calculate basic     
earnings per share as follows:                                                  
Half      Half      Year       
                                                 year      year     ended       
                                                ended     ended   30 June       
                                                   31        31      2005       
December  December                 
                                                 2005      2004                 
Weighted average number of shares             Million   Million   Million       
Basic earnings per share denominator            6 055     6 195     6 124       
Shares and options contingently issuable           26        29        34       
under employee share ownership plans                                            
Diluted earnings per share denominator          6 081     6 224     6 158       
(a)  For the periods indicated, each ADS represents two ordinary shares.        
(b)  Diluted earnings are calculated after adding back dividend equivalent      
payments of US$6 million (31 December 2004: US$3 million; 30 June 2005: US$3    
million) that would not be made if potential ordinary shares were converted to  
fully paid                                                                      
8 Dividends                                                                     
                                                 Half      Half      Year       
                                                 year      year     ended       
                                                ended     ended   30 June       
31        31      2005       
                                             December  December                 
                                                 2005      2004                 
                                                 US$M      US$M      US$M       
Dividends paid (a)                                                              
BHP Billiton Limited (b)                          520       358       842       
BHP Billiton Plc - Ordinary shares                358       234       567       
               - Preference shares (c)              -         -         -       
878       592     1 409       
Dividends declared in the announcement of                                       
the results for the period (d)                                                  
BHP Billiton Limited                              628       484     1,004       
BHP Billiton Plc - Ordinary shares                432       333       691       
               - Preference shares (c)              -         -         -       
                                                1 060       817     1 695       
Total dividends paid or payable                 1 938     1 409     3 104       
31        31   30 June       
                                             December  December      2005       
                                                 2005      2004                 
                                             US cents  US cents  US cents       
Dividends declared in the announcement of                                       
the results for the period (per share)                                          
Interim dividend (a) (b)                         17.5      13.5      13.5       
Final dividend (a)                                N/A       N/A      14.5       
17.5      13.5      28.0       
Dividends are declared after period end in the announcement of the results for  
the period. Interim dividends are declared in February and paid in March. Final 
dividends are declared in August and paid in September. Dividends declared are  
not recorded as a liability at the end of the period to which they relate.      
Dividends are stated net of amounts which are not payable outside the BHP       
Billiton Group under the terms of the share repurchase scheme and ESOP trusts.  
(a) Each American Depository Share (ADS) represents two ordinary shares of BHP  
Billiton Limited or BHP Billiton Plc. Dividends declared on each ADS represent  
twice the dividend declared on BHP Billiton shares.                             
(b) BHP Billiton Limited dividends for all periods presented are fully franked  
based on a tax rate of 30%.                                                     
(c) 5.5 per cent dividend on 50,000 preference shares of GBP1 each (2004: 5.5   
per cent).                                                                      
(d) Subsequent to half year end, on 15 February 2006, BHP Billiton declared an  
interim dividend of 17.5 US cents per share (US$1,060 million) which will be    
paid on 22 March 2006. BHP Billiton Limited dividends will be fully franked.    
Notes to the Interim Financial Statements                                       
9 Assets classified as held for sale                                            
BHP Billiton"s 45.5% joint venture interest in Valesul Aluminio SA, an aluminium
smelter located in Brazil, forming part of the Aluminium CSG, is presented as   
held for sale following the completion of a divestment review by the Group.  A  
sale is expected to be completed in the second half of financial year 2006.     
At 31 December 2005, the carrying value of the Group"s equity accounted share of
Valesul is US$46 million.                                                       
10 Interest bearing liabilities                                                 
On 6 December 2005, the Group issued a two tranche Global Bond under its debt   
shelf registration statement. The Global Bond comprised US$600 million of 5.00% 
Senior Notes due 2010 and US$750 million of 5.25% Senior Notes due 2015. The    
proceeds were used to repay existing debt.                                      
11 Total equity                                                                 
                                                 Half      Half      Year       
year      year     ended       
                                                ended     ended   30 June       
                                                   31        31      2005       
                                             December  December                 
2005      2004                 
                                                 US$M      US$M      US$M       
Total equity opening balance                   17 916    14 743    14 743       
Adjustment for adoption of IAS 39 / AASB           55         -         -       
139  - Retained earnings                                                        
- Hedging reserve                                  30         -         -       
- Financial asset reserve                         116         -         -       
Opening balance as restated                    18 117    14 743    14 743       
Total changes in the Statement of               4 336     2 946     6 306       
Recognised Income and Expense                                                   
Transactions with owners - contributed             17        33        56       
equity                                                                          
Dividends                                       (878)     (592)   (1 409)       
Accrued employee entitlement to share              34        25        53       
awards                                                                          
Purchases of shares made by ESOP trusts         (145)      (29)      (47)       
Cash settlement of employee share awards            -       (6)       (3)       
BHP Billiton share buy back                         -   (1 777)   (1 777)       
Total changes in minority interests              (49)        80       (6)       
Total equity closing balance                   21 432    15 423    17 916       
The adoption of IAS 39 / AASB 139 resulted in a US$201 million increase in      
equity attributable to BHP Billiton shareholders at 1 July 2005.  This was net  
of consequential increases in deferred tax liabilities of US$37 million.        
This represents the net gain on marking to market of qualifying hedges, embedded
derivatives, available for sale investments and certain derivatives that do not 
qualify as hedges, which were not recognised prior to 1 July 2005.  The major   
balance sheet items affected were financial assets: increase of US$1,279        
million, financial liabilities: increase of US$634 million, and borrowings:     
increase of US$411 million.  The net impact on other balance sheet items was a  
debit of US$3 million.                                                          
The current period impact was an increase in attributable profit of US$40       
million, of which US$16 million was included in financial expenses.             
12 Contingent liabilities                                                       
                                                            31       30         
                                                      December     June         
                                                          2005     2005         
US$M     US$M         
Contingent liabilities at balance date, not                                     
otherwise provided for in the financial report, are                             
categorised as arising from:                                                    
Jointly controlled entities                                                     
   Other (a)                                               153      136         
                                                           153      136         
Subsidiaries and jointly controlled assets                                      
(including guarantees)                                                          
   Performance guarantees (b)                                1        1         
   Other (a)                                               209      123         
                                                           210      124         
Total contingent liabilities                               363      260         
(a) Other contingent liabilities relate predominantly to actual or potential    
litigation of the Group for which amounts are reasonably estimable but the      
liability is not probable and therefore the Group has not provided for such     
amounts in these financial statements. The amounts relate to a number of actions
against the Group, none of which are individually significant. Additionally,    
there are a number of legal claims or potential claims against the Group, the   
outcome of which cannot be foreseen at present, and for which no amounts have   
been included in the table above.                                               
(b) The BHP Billiton Group has entered into various counter-indemnities of      
performance guarantees related to its own future performance in the normal      
course of business.                                                             
13 Commitments                                                                  
                                                            31       30         
                                                      December     June         
                                                          2005     2005         
US$M     US$M         
Capital expenditure commitments not provided for in                             
the financial statements                                                        
Due not later than one year                              2 566    2 308         
Due later than one year and not later than five            482      110         
years                                                                           
Total capital expenditure commitments                    3 048    2 418         
14 Subsequent events                                                            
No matters or circumstances have arisen since the end of the half year that have
significantly affected, or may significantly affect, the operations, results of 
operations or state of affairs of the BHP Billiton Group in subsequent          
accounting periods.                                                             
15 IFRS transition                                                              
As stated in note 17 Accounting Policies, this is the BHP Billiton Group"s first
consolidated financial report prepared in accordance with IFRS.                 
The accounting policies set out in this financial report have been applied for  
the half year ended 31 December 2005, the half year ended 31 December 2004, the 
year ended 30 June 2005, and in the preparation of an opening IFRS balance sheet
at 30 June 2004.                                                                
In preparing its opening IFRS balance sheet, the BHP Billiton Group has adjusted
amounts reported previously in financial reports prepared in accordance with its
previous basis of accounting (previous GAAP). An explanation of how the         
transition from previous UK and Australian GAAP to IFRS has affected the Group"s
financial position and financial performance is set out in the following tables 
and accompanying notes.                                                         
The amounts presented below differ to the amounts presented in the note on the  
impact of adopting IFRS in the financial statements for the year ended 30 June  
2005.  This follows resolution of the treatment of two items identified in that 
note as being subject to interpretation, and so revision.  The amounts in the   
tables below are presented based on the application of the revised              
interpretation from the date of transition to IFRS:                             
* Royalties and resource rent taxes which are in the nature of an income tax are
now measured and presented as income tax in accordance with IAS 12 / AASB 112   
deferred tax principles.  At 30 June 2005 these were accounted for as operating 
costs; and                                                                      
* Deferred tax liabilities are no longer recorded on non-tax depreciable assets,
such as mineral rights, where a tax base exists for capital gains tax, and that 
tax base exceeds the book base.  At 30 June 2005 a deferred tax liability was   
recorded by reference to the tax base for income tax purposes.                  
15 IFRS transition continued                                                    
The following table presents a summary of the impact of IFRS on net equity as at
30 June 2005, 31 December 2004 and 1 July 2004.                                 
Reconciliation of net equity - UK GAAP                                          
                                       Note    As at     As at   As at          
30 June        31  1 July          
                                                2005  December    2004          
                                                          2004                  
                                                US$M      US$M    US$M          
Net equity as previously reported             17 489            14 380          
under UK GAAP                                           14 768                  
IAS 19 / AASB 119 Post-retirement                                (527)          
pension obligations - pre tax           a      (650)     (627)                  
IAS 19 / AASB 119 Post-retirement                                  135          
pension obligations - deferred tax      a        158       164                  
effect                                                                          
IAS 19 / AASB 119 Post-retirement                                 (76)          
medical benefits - pre tax              a      (111)     (101)                  
IAS 19 / AASB 119 Post-retirement                                   21          
medical benefits - deferred tax effect  a         30        28                  
IAS 12 / AASB 112 Deferred income tax                            (202)          
accounting                              b      (226)      (73)                  
IAS 12 / AASB 112 Remeasurement of                                  30          
royalties as income taxes               b         32        48                  
IFRS 3 / AASB 3 Reinstatement of                                   388          
goodwill                                c        354       389                  
IAS 10 / AASB 110 Reversal of dividend                             592          
payable                                 d        878       817                  
IFRS 2 / AASB 2 Equity based                                         2          
compensation payments to employees -    e         16        10                  
tax effect                                                                      
IFRS 3 / AASB 3 Business combinations                                -          
- WMC acquisition                       c       (54)         -                  
Net equity in accordance with IFRS                              14 743          
                                              17 916    15 423                  
Overall net increase in equity under                               363          
IFRS                                             427       655                  
Reconciliation of net equity - Australian GAAP                                  
                                       Note    As at     As at    As at         
                                             30 June        31   1 July         
                                                2005  December     2004         
2004                  
                                                US$M      US$M     US$M         
Net equity as previously reported             18 364             15 425         
under Australian GAAP                                   15 862                  
IAS 19 / AASB 119 Post-retirement                                 (527)         
pension obligations - pre tax           a      (650)     (627)                  
IAS 19 / AASB 119 Post-retirement                                   135         
pension obligations - deferred tax      a        158       164                  
effect                                                                          
IAS 19 / AASB 119  Post-retirement                                 (76)         
medical benefits - pre tax              a      (111)     (101)                  
IAS 19 / AASB 119  Post-retirement                                   21         
medical benefits - deferred tax effect  a         30        28                  
IAS 12 / AASB 112 Deferred income tax                             (267)         
accounting                              b         36        17                  
IAS 12 / AASB 112 Remeasurement of                                   30         
royalties as income taxes               b         32        48                  
IFRS 3 / AASB 3 Reinstatement of                                      -         
goodwill                                c         41        22                  
IFRS 2 / AASB 2 Equity based                                          2         
compensation payments to employees -    e         16        10                  
tax effect                                                                      
IFRS 3 / AASB 3 Business combinations                                 -         
- WMC acquisition                       c          -         -                  
Net equity in accordance with IFRS                               14 743         
                                              17 916    15 423                  
Overall net increase / (decrease) in                              (682)         
equity under IFRS                              (448)     (439)                  
The following table presents a summary of the impact of IFRS on investments in  
jointly controlled entities as at 30 June 2005, 31 December 2004 and 1 July     
2004.                                                                           
Reconciliation of investments in jointly controlled entities - UK and Australian
GAAP                                                                            
                                       Note      As at     As at     As at      
                                               30 June        31    1 July      
                                                  2005  December      2004      
2004                
                                                  US$M      US$M      US$M      
Investments in jointly controlled entities                                      
as previously reported under UK and                                             
Australian GAAP                                  1 525     1 501     1 369      
Impact on investments in jointly                                                
controlled entities of adjustments to                                           
reclassify assets and liabilities                                               
previously accounted for by proportional                                        
consolidation:                                                                  
Current assets                                     623       697       507      
Non-current assets                               2 687     2 518     2 425      
Current liabilities                              (374)     (515)     (505)      
Non-current liabilities                        (1 184)   (1 146)   (1 196)      
Increase in investments in jointly                                              
controlled entities in applying the                                  1 231      
equity method of accounting               f      1 752     1 554                
Other IFRS adjustments                            (13)      (10)       (7)      
Investments in jointly controlled                3 264     3 045     2 593      
entities in accordance with IFRS                                                
15 IFRS transition continued                                                    
The following tables present a summary of the impact of IFRS on profit after tax
for the year ended 30 June 2005 and 31 December 2004.                           
Reconciliation of profit after tax - UK GAAP                                    
Note        Half year       Year     
                                                           ended      ended     
                                                     31 December    30 June     
                                                            2004       2005     
US$M       US$M     
Net Profit after tax as previously                                              
reported under UK GAAP                                     2 924      6 630     
Pre Tax IFRS adjustments:                                                       
IAS 19 / AASB 119 Post-retirement medical                                       
and pension obligations                    a                (56)        (8)     
IAS 12 / AASB 112 Deferred tax effects                                  (6)     
within jointly controlled entities         b                 (3)                
IFRS 3 / AASB 3 Reversal of amortisation                                        
of goodwill                                c                   1          2     
IFRS 2 / AASB 2 Equity based compensation                                       
payments to employees                      e                  22         56     
Adjustment to goodwill included in the                                          
net book value of the disposed Chrome                                           
operations                                 c                   -         31     
IFRS 3 / AASB 3 Business combinations -                                         
WMC acquisition                            c                   -       (54)     
IAS 31 / AASB 131 Reclassification of                      (102)      (197)     
jointly controlled entity tax expense to                                        
profit before tax - previously equity                                           
accounted                                  f                                    
IAS 31 / AASB 131 Reclassification of                      (115)      (230)     
jointly controlled entity tax expense to                                        
profit before tax - previously                                                  
proportionately consolidated               f                                    
IAS 12 / AASB 112 Deferred tax on the                                           
disposed Chrome operations                 b                   -          3     
IAS 12 / AASB 112 Reclassification of                                   603     
royalties which are accounted for as       g                 375                
income taxes                                                                    
Other                                                          -        (1)     
Tax IFRS adjustments:                                                           
IAS 12 / AASB 112 Withholding and                                               
repatriation taxes                         b                 (2)       (10)     
IAS 12 / AASB 112 Additional foreign                                            
exchange variations                        b                 109       (40)     
IAS 12 / AASB 112 Non-tax depreciable                                           
items now tax-effected                     b                  18         31     
IAS 12 / AASB 112 Tax base resets under                                         
Australian tax consolidations              b                  14         17     
IFRS 2 / AASB 2 Equity based compensation                                       
payments to employees                      e                 (5)       (12)     
IAS 31 / AASB 131 Reclassification of                        102        197     
jointly controlled entity tax expense to                                        
profit before tax -  previously equity                                          
accounted                                  f                                    
IAS 31 / AASB 131 Reclassification of                        115        230     
jointly controlled entity tax expense to                                        
profit before tax - previously                                                  
proportionately consolidated               f                                    
IAS 19 / AASB 119 Post-retirement medical                                       
and pension benefits -  tax impact                                              
a                  17          3     
IAS 12 / AASB 112 Reclassification of                                           
royalties which are accounted for as                                            
income taxes                               g               (375)      (603)     
IAS 12 / AASB 112 Remeasurement of                                              
royalties as income taxes                  g                  18          2     
Other                                                          7       (16)     
Net profit after tax in accordance with                                         
IFRS                                                       3 064      6 628     
Reconciliation of profit after tax - Australian GAAP                            
                                             Note     Half year       Year      
                                                          ended      ended      
31 December    30 June      
                                                           2004       2005      
                                                           US$M       US$M      
Net Profit after tax as previously reported                                     
under Australian GAAP                                     2 748      6 241      
Pre Tax IFRS adjustments:                                                       
IAS 19 / AASB 119 Post-retirement medical                              (8)      
and pension obligations                      a             (56)                 
IAS 12 / AASB 112 Deferred tax effects                                          
within jointly controlled entities           b              (3)        (6)      
IFRS 3 / AASB 3 Reversal of amortization of                                     
goodwill                                     c               22         44      
IFRS 2 / AASB 2 Equity based compensation                                       
payments to employees                        e               22         56      
Adjustment to goodwill included in the net                                      
book value of the disposed Chrome                                               
operations                                   c                -        (3)      
IFRS 3 / AASB 3 Business combinations - WMC                                     
acquisition                                  c                -          -      
IAS 31 / AASB 131 Reclassification of                     (115)      (230)      
jointly controlled entity tax expense to                                        
profit before tax - previously                                                  
proportionately consolidated                 f                                  
IAS 12 / AASB 112 Deferred tax on the                                           
disposed Chrome operations                   b                -          3      
IAS 12 / AASB 112 Reclassification of                                           
royalties which are accounted for as income                                     
taxes                                        g              375        603      
Tax IFRS adjustments:                                                           
IAS 12 / AASB 112 Recognition of prior year                                     
tax losses                                   b              175        350      
IAS 12 / AASB 112 Withholding and                                               
repatriation taxes                           b              (2)       (10)      
IAS 12 / AASB 112 Additional foreign                                            
exchange variations                          b              103       (46)      
IAS 12 / AASB 112 Non-tax depreciable items                                     
now tax-effected                             b               18         31      
IFRS 2 / AASB 2 Equity based compensation                                       
payments to employees                        e              (5)       (12)      
IAS 31 / AASB 131 Reclassification of                       115        230      
jointly controlled entity tax expense to                                        
profit before tax - previously                                                  
proportionately consolidated                 f                                  
IAS 19 / AASB 119 Post-retirement medical                                       
and pension benefits - tax impact            a               17          3      
IAS 12 / AASB 112 Reclassification of                                           
royalties which are accounted for as income                                     
taxes                                        g            (375)      (603)      
IAS 12 / AASB 112 Remeasurement of                                              
royalties as income taxes                    g               18          2      
Other                                                         7       (17)      
Net profit after tax in accordance with                                         
IFRS                                                      3 064      6 628      
15 IFRS transition continued                                                    
a  Post-retirement and medical benefits (IAS 19 / AASB 119 Employee Benefits)   
Under IFRS, defined benefit pension plan and medical benefit plan arrangements  
result in the recognition of net assets or liabilities directly based on the    
underlying obligations and assets of those plans. The recognised net asset or   
liability is subject to changes in value that are more volatile than changes in 
assets and liabilities that were recognised under BHP Billiton Group"s previous 
policy, which was based on the UK Statement of Accounting Practice (SSAP) 24    
`Accounting for Pension Costs".                                                 
Under SSAP 24, the cost of providing pensions was charged to profit and loss so 
as to allocate the cost systematically over the employees" service lives on the 
basis of independent actuarial advice.  A pension liability or asset was        
consequently recognised in the balance sheet to the extent that the             
contributions payable either lagged or preceded expense recognition.            
b  Deferred Tax (IAS 12 / AASB 112 Income Taxes)                                
On transition to IFRS, the balance sheet liability method of tax effect    
accounting was adopted, rather than the income statement liability method       
applied under previous BHP Billiton Group policy. This balance sheet method     
recognises deferred tax assets and liabilities on temporary differences between 
the accounting and tax values of balance sheet items, rather than accounting and
tax values of items recognised in profit and loss. This approach gives rise to a
wider range of deferred tax assets and liabilities and an increase in the       
volatility of deferred tax balances brought about by foreign exchange rate      
movements. IFRS requires deferred tax to be recognised on items which do not    
have a tax base, such as certain mineral rights and fair value adjustments on   
acquisitions, and for tax on unremitted earnings from subsidiaries and joint    
ventures except to the extent that the group can control the timing of          
distributions and those distributions are not probable in the foreseeable       
future. In addition, royalty arrangements which are in the nature of income tax 
have been measured and presented as income tax in accordance with IAS 12 / AASB 
112 deferred tax accounting principles. The impact on deferred tax balances of  
adopting IAS 12 / AASB 112, other than the tax effect of other IFRS adjustments,
is as follows:                                                                  
                              30 June 31 Dec 2004   1 Jul 2004                  
                                 2005                                           
UK GAAP to IFRS         Tax asset / Tax asset /  Tax asset /                  
                          (provision) (provision)  (provision)                  
                                 US$M        US$M         US$M                  
  Deferred tax on non                                                           
depreciable assets                                                            
  acquired in business                                                          
  combinations                  (309)       (316)        (321)                  
  Tax base resets under                                                         
Australian tax                                                                
  consolidations                  188         185          165                  
  Foreign exchange                                                              
  movements - tax base                                                          
of non-monetary assets          434         613          216                  
  Foreign exchange                                                              
  movements - USD debt          (516)       (543)        (255)                  
  Withholding taxes              (10)         (2)            -                  
Adoption of IAS 12 to                                                         
  jointly controlled                                                            
  entities                       (13)        (10)          (7)                  
  Remeasurement of                                                              
royalties as income                                                           
  taxes                            32          48           30                  
  Decrease / (increase)                                                         
  in net deferred tax                                                           
liability                     (194)        (25)        (172)                  
                              30 June 31 Dec 2004   1 Jul 2004                  
                                 2005                                           
  Australian GAAP to      Tax asset / Tax asset /  Tax asset /                  
IFRS                    (provision) (provision)  (provision)                  
                                 US$M        US$M         US$M                  
  Deferred tax on non                                                           
  depreciable assets                                                            
acquired in business                                                          
  combinations                  (309)       (316)        (321)                  
  Foreign exchange                                                              
  movements - tax base                                                          
of non-monetary assets          434         613          216                  
  Foreign exchange                                                              
  movements - USD debt          (516)       (543)        (255)                  
  Withholding taxes              (10)         (2)            -                  
Adoption of IAS 12 to                                                         
  jointly controlled                                                            
  entities                       (13)        (10)          (7)                  
  Remeasurement of                                                              
royalties as income                                                           
  taxes                            32          48           30                  
  Recognition of tax                                                            
  losses                          450         275          100                  
Decrease / (increase)                                                         
  in net deferred tax                                                           
  liability                        68          65        (237)                  
c  Goodwill and business combinations (IFRS 3 / AASB 3  Business Combinations)  
IFRS requires impairment assessments of goodwill, whereas both previous UK and  
Australian GAAP permitted / required the amortisation of goodwill.  Business    
combinations undertaken after the date of transition to IFRS (1 July 2004) must 
be accounted for in accordance with IFRS. The acquisition of WMC Resources Ltd  
was effective 3 June 2005. Differences in accounting for the acquisition exist  
between UK GAAP and IFRS with respect to the measurement of fair value of       
inventory and the recognition of deferred tax liabilities, and between          
Australian GAAP and IFRS with respect to deferred tax assets attributable to    
unused tax losses.                                                              
Under previous UK GAAP goodwill existing prior to 1998 was classified as a      
reduction of retained earnings. In order to maintain consistency in the IFRS    
treatment of goodwill in the DLC structure, such goodwill has been reclassified 
on transition as an asset in the balance sheet.  The reclassification of        
goodwill was required in order to maintain the accounting for past business     
combinations consistent with the previous basis of accounting applied by the    
Group under previous Australian GAAP.                                           
d  Dividend payable (IAS 10 / AASB 110 Events after the Balance Sheet Date)     
IFRS does not permit the recognition of dividends payable as a liability until  
the dividend has been formally declared by the Directors. Under previous UK     
GAAP, dividends payable were recognised as a liability in the balance sheet at  
balance date, despite the fact they were declared subsequent to balance date.   
e  Equity based compensation (IFRS 2 / AASB 2 Share-based Payment)              
Under IFRS the cost of employee compensation provided in the form of equity-    
based compensation (including shares and options) is measured based on the fair 
value of those instruments rather than their intrinsic value as recognised under
previous BHP Billiton Group policy.                                             
f  Joint ventures (IAS 31 / AASB 131 Interests in Joint Ventures)               
Under IFRS as implemented in Australia, all joint ventures that are constituted 
as a legal entity are accounted for using the equity method. Under both previous
UK and Australian GAAP, the BHP Billiton Group"s interests in the Escondida,    
Mozal and Valesul joint ventures were accounted for by proportional             
consolidation. As each of these joint ventures operates through an incorporated 
entity, IFRS classifies them as jointly controlled entities and the Australian  
version of IFRS mandates the use of the equity method of accounting,            
notwithstanding that in substance none of the entities operate as independent   
business entities. The change to single line equity accounting for jointly      
controlled entities does not impact net profit or net equity, however, as       
demonstrated in the schedules above, the amounts of profit before tax, income   
tax expense, investments in jointly controlled entities and other balance sheet 
and income statement line items are significantly affected.                     
15 IFRS transition continued                                                    
g  Royalty related taxation (IAS 12 / AASB 112 Income Taxes)                    
Under IFRS, royalties and resource rent taxes are treated as taxation           
arrangements when they have the characteristics of a tax.    For such           
arrangements, current and deferred tax is provided on the same basis as for     
other forms of taxation.  Under previous UK and Australian GAAP, such taxes were
included in operating costs, and in some cases, were not calculated in          
accordance with deferred tax principles.                                        
Material Adjustments to Cash Flow                                               
The use of the equity method of accounting under IFRS for the Group"s interests 
in the Escondida, Mozal and Valesul jointly controlled entities, as compared to 
proportional consolidation under previous UK and Australian GAAP, has           
corresponding impacts on the Cash Flow Statement.  Under IFRS, amounts included 
in dividends received from these jointly controlled entities were previously    
included elsewhere in cash flows related to operating activities.  In addition  
capital expenditure and debt repayments for these joint ventures are now        
excluded from the Group"s investing and financing cash flows.                   
The presentation of the Cash Flow Statement is consistent with previous         
Australian GAAP, however compared to UK GAAP, the cash flows have been          
reclassified as operating, investing and financing.                             
16 Dual Listed Companies Structure and Basis of Preparation of Interim Financial
Statements                                                                      
Dual Listed Companies Structure                                                 
On 29 June 2001, BHP Billiton Plc (previously known as Billiton Plc), a UK      
listed company, and BHP Billiton Limited (previously known as BHP Limited), an  
Australian listed company, entered into a Dual Listed Companies (DLC) merger.   
This was effected by contractual arrangements between the Companies and         
amendments to their constitutional documents.                                   
The effect of the DLC merger is that BHP Billiton Plc and its subsidiaries (the 
BHP Billiton Plc Group) and BHP Billiton Limited and its subsidiaries (the BHP  
Billiton Limited Group) operate together as a single economic entity (the BHP   
Billiton Group), with neither assuming a dominant role.  The consolidated       
financial statements of BHP Billiton therefore include those of BHP Billiton    
Plc, BHP Billiton Limited and their respective subsidiary companies.            
The DLC merger was accounted for using the merger method of accounting.  The    
nature of the DLC merger has resulted in the inclusion of amounts attributable  
to the shareholders of both BHP Billiton Plc and BHP Billiton Limited in capital
and reserves on the balance sheet, and in attributable profit.  Further details 
on the DLC structure are included in the BHP Billiton Annual Report 2005.       
Basis of Preparation                                                            
This general purpose condensed interim financial report for the six months ended
31 December 2005 has been prepared in accordance with IAS 34 / AASB 134 "Interim
Financial Reporting".  This includes:                                           
* the relevant requirements of Australian Accounting standards (that is,        
International Financial Reporting Standards (IFRS) as adopted by the Australian 
Accounting Standards Board) and interpretations effective as of 31 December     
2005;                                                                           
* IFRSs and interpretations as adopted by the European Union (EU) as of 31      
December 2005; and                                                              
* those standards and interpretations adopted early as described below.         
The above are collectively referred to as "IFRS" in this report.                
The comparative information has also been prepared on this basis, with the      
exception of certain items, details of which are given below, for which         
comparative information has not been restated.  The comparative figures for the 
financial year ended 30 June 2005 are not the statutory accounts of BHP Billiton
Plc for that financial year. Those accounts, which were prepared under UK       
Generally Accepted Accounting Principles (GAAP), have been reported on by the   
company"s auditors and delivered to the registrar of companies. The report of   
the auditors was unqualified and did not contain statements under section 237(2)
or (3) of the Companies Act 1985.                                               
This is the BHP Billiton Group"s first IFRS interim financial report for part of
the period covered by the first IFRS annual financial report.  The interim      
financial report does not include all of the information required for a full    
annual financial report. The interim financial report is to be read in          
conjunction with the most recent annual financial report; however, the basis of 
preparation is different to that of the most recent annual financial report due 
to the first time adoption of IFRS.  This report must also be read in           
conjunction with any public announcements of BHP Billiton made under its        
continuous disclosure obligations.                                              
An explanation of how the transition to IFRS has affected the reported financial
position and financial performance of the BHP Billiton Group is provided in note
15. This note includes reconciliations of equity and profit for comparative     
periods previously reported under UK GAAP and Australian GAAP to those amounts  
reported under IFRS.                                                            
This interim financial report has been prepared on the basis of IFRSs in issue  
that are effective, or available for early adoption at the BHP Billiton Group"s 
first IFRS annual reporting date, 30 June 2006.  Based on these IFRSs, the      
directors have made assumptions about the accounting policies expected to be    
adopted when the first IFRS annual financial report is prepared for the year    
ending 30 June 2006. The BHP Billiton Group has elected to early adopt all      
Australian Accounting Standards, IFRSs as adopted by the EU and interpretations 
that have commencement dates later than the BHP Billiton Group"s IFRS transition
date of 1 July 2004 and which permit early adoption, except for IFRS 7 / AASB 7 
"Financial Instruments: Disclosures", and IFRIC 4 "Determining Whether an       
Arrangement Contains a Lease".  The decision to early adopt those standards and 
interpretations ensures that policy elections described below, including IFRS   
transition exemptions, are available.  The principal standards and              
interpretations that have been early adopted are:                               
16 Dual Listed Companies Structure and Basis of Preparation of Interim Financial
Statements continued                                                            
* IFRS 6 / AASB 6 "Exploration for and Evaluation of Mineral Resources"         
* Revised IAS 19 / AASB 119   "Employee Benefits"                               
* International Financial Reporting Interpretations Committee (IFRIC)           
pronouncement 5 / Urgent Issues Group (UIG) Interpretation 5 "Rights to         
Interests arising from Decommissioning, Restoration and Environmental           
Rehabilitation Funds"                                                           
IFRS 1 / AASB 1, which governs the first time adoption of IFRSs, in general     
requires accounting policies to be applied retrospectively in order to determine
an opening balance sheet at BHP Billiton"s IFRS transition date of 1 July 2004, 
and allows certain exemptions on the transition to IFRS which BHP Billiton has  
elected to apply. Those elections considered significant to BHP Billiton include
decisions to:                                                                   
* not restate previous mergers or acquisitions and the accounting thereof;      
* measure property, plant and equipment at deemed cost, being the carrying value
of property, plant and equipment immediately prior to the date of transition,   
with no adjustment made to fair value;                                          
* not apply the recognition and measurement requirements of IFRS 2 /AASB 2      
"Share-based Payment" to equity instruments granted before 7 November 2002;     
* recognise the cumulative effect of actuarial gains and losses on defined      
benefit employee schemes in retained earnings as at the transition date; and    
* transfer all foreign currency translation differences, previously held in     
reserves, to retained earnings at the transition date.                          
In addition, BHP Billiton has applied the exemption available under IFRS 1 /    
AASB 1 whereby IAS 32 / AASB 132 "Financial Instruments: Disclosure and         
Presentation" and IAS 39 / AASB 139 "Financial Instruments: Recognition and     
Measurement" shall apply from 1 July 2005 and not for the year ended 30 June    
2005. Accordingly, transitional adjustments in respect of IAS 32 / AASB 132 and 
IAS 39 / AASB 139 have been recorded against retained profits and reserves, as  
applicable, at 1 July 2005.                                                     
Furthermore, the BHP Billiton Group"s DLC structure results in two parent       
entities with their own statutory reporting obligations, one in the UK and the  
other in Australia. While the UK and Australia are transitioning to IFRS-based  
financial reporting regimes in the same timeframe, the DLC structure creates    
unique IFRS implementation issues, including:                                   
(i)in the UK, listed groups are required to comply with IFRSs as adopted by the 
EC; there is a risk that IFRS as adopted by the EC at 30 June 2006 may not be   
consistent with IFRS applicable in Australia;                                   
(ii)the Australian Accounting Standards Board has approved standards based on   
IFRSs, some of which mandate particular policies that are optional (and not     
applied uniformly by other entities) in the UK; and                             
(iii)continued development and interpretation of IFRSs prior to 30 June 2006    
that could affect the ultimate difference between previous reporting frameworks 
and IFRS applicable in each jurisdiction.                                       
The regulatory bodies that promulgate IFRS and its country-specific             
implementations have significant ongoing projects that could affect the ultimate
differences between Australian GAAP, UK GAAP and IFRS and their impact on the   
BHP Billiton Group"s financial statements.                                      
Accordingly, the basis of preparation and accounting policies may require       
adjustment before the Group issues its first complete set of IFRS financial     
statements for the year ending 30 June 2006.                                    
Basis of measurement                                                            
The financial report is drawn up on the basis of historical cost principles,    
except for derivative financial instruments and investments held for trading or 
available for sale, which are measured at fair value.                           
Currency of presentation                                                        
All amounts are expressed in millions of US dollars unless otherwise stated. The
BHP Billiton Group"s presentation currency and the functional currency of the   
majority of its operations is US dollars as this is the principal currency of   
the economic environments in which they operate.                                
17 Accounting Policies                                                          
Principles of consolidation                                                     
The financial report of the BHP Billiton Group includes the consolidation of BHP
Billiton Limited, BHP Billiton Plc and their respective subsidiaries.           
Subsidiaries are entities controlled by either parent entity. Control exists    
where either parent entity has the power to govern the financial and operating  
policies of an entity so as to obtain benefits from its activities. Subsidiaries
are included in the consolidated financial report from the date control         
commences until the date control ceases.  Where the BHP Billiton Group"s        
interest is less than 100 per cent, the interest attributable to outside        
shareholders is reflected in minority interests.  The effects of all            
transactions between entities within the BHP Billiton Group have been           
eliminated.                                                                     
Intangible assets                                                               
Amounts paid for the acquisition of identifiable (patents, trademarks and       
licences) intangible assets are capitalised at the fair value of consideration  
paid.  Identifiable intangible assets with a finite life are amortised on a     
straight-line basis over their expected useful life. The BHP Billiton Group has 
no identifiable intangible assets for which the expected useful life is         
indefinite.  Where the fair value of the consideration paid for a business      
acquisition exceeds the fair value of the identifiable assets and liabilities   
acquired, the difference is treated as goodwill.  Goodwill is not amortised,    
however the carrying amount of all goodwill and identifiable intangible assets  
is assessed against its recoverable amount as explained below under `Recoverable
amounts of non-current assets".                                                 
On the subsequent disposal or termination of a previously acquired business, any
remaining balance of associated goodwill and identifiable intangible assets is  
included in the determination of the profit or loss on disposal / termination.  
Investments accounted for using the equity method                               
Investments in jointly controlled entities and associated entities are accounted
for using the equity method of accounting.  Under the equity method, the cost of
the investment in each jointly controlled entity and associated entity is       
adjusted by the BHP Billiton Group"s proportionate share of the entity"s net    
profit or loss.                                                                 
Joint ventures                                                                  
The BHP Billiton Group undertakes a number of business activities through joint 
ventures.  Joint ventures are established through contractual arrangements that 
require the unanimous consent of each of the venturers regarding the strategic  
financial and operating policies of the venture (joint control). The BHP        
Billiton Group"s joint ventures are of two types:                               
Jointly controlled entities                                                     
A jointly controlled entity is a corporation, partnership or other entity, in   
which each venturer holds an interest. A jointly controlled entity operates in  
the same way as other entities, controlling the assets of the joint venture,    
earning its own income and incurring its own liabilities and expenses.          
Interests in jointly controlled entities are accounted for using the equity     
method.                                                                         
Jointly controlled assets and operations                                        
The BHP Billiton Group has certain contractual arrangements with other          
participants to engage in joint activities that do not give rise to a jointly   
controlled entity. These arrangements involve the joint ownership of assets     
dedicated to the purposes of each venture.  These contractual arrangements do   
not create a jointly controlled entity due to the fact that the joint venture   
operates under the policies of the venturers who directly derive the benefits of
operation of their jointly owned assets, rather than deriving returns from an   
interest in a separate entity carrying on its own trade or business.            
The financial report of the BHP Billiton Group includes its share of the assets 
in such joint ventures, together with the liabilities, revenues and expenses    
arising jointly or otherwise from those operations.  All such amounts are       
measured in accordance with the terms of each arrangement, which is usually in  
proportion to the BHP Billiton Group"s interest in the jointly owned assets.    
17 Accounting Policies continued                                                
Foreign currencies                                                              
The BHP Billiton Group"s reporting currency and the functional currency of the  
majority of its operations is US dollars, as this is the principal currency of  
the economic environments in which they operate.                                
Transactions denominated in foreign currencies (currencies other than the       
functional currency of an operation) are recorded using the exchange rate ruling
at the date of the underlying transaction.  Monetary assets and liabilities     
denominated in foreign currencies are translated using the rate of exchange     
ruling at year end and the gains or losses on retranslation are included in the 
Income Statement, with the exception of foreign exchange gains or losses on     
foreign currency provisions for site restoration and rehabilitation which are   
capitalised in property, plant and equipment, and foreign exchange gains and    
losses on foreign currency borrowings designated as a hedge of the net assets of
foreign operations.                                                             
The Income Statement of subsidiaries and joint ventures which have functional   
currencies other than US dollars are translated to US dollars at the date of the
transaction. Assets and liabilities are translated at exchange rates prevailing 
at year end. Exchange variations resulting from the retranslation at closing    
rate of the net investment in such subsidiaries and joint ventures, together    
with differences between their Income Statement translated at actual and closing
rates, are recorded as a movement in the exchange fluctuation account. Exchange 
differences arising on long-term foreign currency borrowings used to finance    
such investments, together with any related income tax effects, are also        
recorded as a movement in the exchange fluctuation account.  The balance of the 
exchange fluctuation account relating to a foreign operation that is disposed   
of, or partially disposed of, is recognised in the Income Statement in the year 
of disposal.                                                                    
Share Based Payments                                                            
For share based payments, the fair value at grant date of equity settled share  
awards made by the BHP Billiton Group is charged to profit over the period for  
which the benefits of employee services are expected to be derived.  The        
corresponding accrued employee entitlement is recorded in the Employee Share    
Awards reserve.  The fair value of awards is calculated using an option pricing 
model which considers the following factors:                                    
* Exercise price                                                                
* Expected life of the award                                                    
* Current market price of the underlying shares                                 
* Expected volatility                                                           
* Expected dividends                                                            
* Risk-free interest rate                                                       
* Market based performance hurdles                                              
Where awards are forfeited because non-market based vesting conditions are not  
satisfied, the expense previously recognised is proportionately reversed.  Where
awards are satisfied by on-market purchases of BHP Billiton Group shares, the   
cost of acquiring the shares is carried in the Employee Share Awards reserve,   
and any difference between that amount and the remuneration expense recognised  
is taken to retained earnings. The tax effect of awards granted is recognised in
income tax expense, except to the extent that the total tax deductions are      
expected to exceed the cumulative remuneration expense. In this situation, the  
excess of the associated current or deferred tax is recognised in equity as part
of the Employee Share Awards reserve.                                           
17 Accounting Policies continued                                                
Sales revenue                                                                   
Revenue from the sale of goods and disposal of other assets is recognised when  
persuasive evidence, usually in the form of an executed sales agreement, of an  
arrangement exists indicating there has been a transfer of risks and rewards to 
the customer, no further work or processing is required by the BHP Billiton     
Group, the quantity and quality of the goods has been determined with reasonable
accuracy, the price is fixed or determinable, and collectibility is reasonably  
assured. This is generally when title passes.                                   
In the majority of sales for most commodities, sales agreements specify that    
title passes on the bill of lading date which is the date the commodity is      
delivered to the shipping agent. Revenue is recognised on                       
the bill of lading date. For certain sales (principally coal sales to adjoining 
power stations and diamond sales), title passes and revenue is recognised when  
the goods have been delivered.                                                  
In cases where the terms of the executed sales agreement allows for an          
adjustment to the sales price based on a survey of the goods by the customer    
(for instance an assay for mineral content), recognition of the sales revenue is
based on the most recently determined estimate of product specifications.       
In the case of certain exchange traded commodities, the sales price is          
determined on a provisional basis at the date of sale; adjustments to the sales 
price occur based on movements in quoted market prices up to the date of final  
pricing.  Revenue on provisionally priced sales is recognised based on the      
estimated fair value of the total consideration receivable.  Fair value of the  
final sales price adjustment is estimated based on the lower of current and     
forward market prices.                                                          
Revenue is not reduced for royalties and other taxes payable from production.   
The BHP Billiton Group separately classifies sales of Group production from     
sales of third party products due to the significant difference in profit margin
earned on these sales.                                                          
Exploration, evaluation and development expenditure                             
Development expenditure, including deferred overburden removal costs, for both  
minerals and petroleum activities is capitalised.                               
In respect of minerals activities, exploration and evaluation expenditure is    
predominantly charged to the Income Statement as incurred.  In limited          
circumstances, such expenditure is capitalised when:                            
* it is expected that the expenditure will be recouped by future exploitation or
sale; or                                                                        
* substantial exploration and evaluation activities have identified a mineral   
resource with sufficient certainty that permits a reasonable assessment of the  
existence of commercially recoverable reserves.                                 
In respect of petroleum activities, exploration and evaluation expenditure is   
accounted for on an area-of-interest basis in accordance with the successful    
efforts method where:                                                           
* significant exploration licence acquisition costs are capitalised and         
amortised over the term of the licence, except for costs in new unexplored areas
which are expensed as incurred;                                                 
* administrative costs that are not directed to a specific area-of-interest are 
expensed in the year in which they are incurred;                                
* all other exploration and evaluation expenditure is charged against the Income
Statement except where the expenditure relates to an area-of-interest and it is 
expected that the expenditure will be recouped by future exploitation or sale,  
or, at Balance Sheet date exploration and evaluation activities have not reached
a stage which permits a reasonable assessment of the existence of commercially  
recoverable reserves, in which case the expenditure is capitalised;             
* exploratory wells that find oil or gas in an area requiring major capital     
expenditure before production can begin are continually evaluated to assure that
commercial quantities of reserves have been found or that additional exploration
work is underway or planned. To the extent it is considered that the relevant   
expenditure will not be recovered, it is written off; and                       
* when proved reserves of oil or gas are determined and development is          
sanctioned and completed, the relevant expenditure, together with related       
development expenditure, is amortised on a unit of production basis.            
17 Accounting Policies continued                                                
Deferred overburden removal costs                                               
Stripping ratios are a function of the quantity of ore mined compared with the  
quantity of overburden, or waste, required to be removed to mine the ore.       
Deferral of costs to the Balance Sheet is made, where appropriate, when actual  
stripping ratios vary from average stripping ratios. Deferral of costs to the   
Balance Sheet is not made when the waste to ore ratio is expected to be         
consistent throughout the life of the mine.                                     
Costs which have previously been deferred to the Balance Sheet (deferred        
overburden removal costs) are included in the Income Statement on a unit of     
production basis utilising average stripping ratios. Changes in estimates of    
average stripping ratios are accounted for prospectively from the date of the   
change.                                                                         
As it is not possible to separately identify cash inflows relating to deferred  
overburden removal costs, such assets are grouped with other assets of a cash   
generating unit for the purposes of undertaking impairment assessments, where   
necessary, based on future cash flows for the operation as a whole.             
Research and development expenditure                                            
Expenditure for research is included in the Income Statement as incurred on the 
basis that continuing research is part of the overall cost of being in business.
To the extent that future benefits deriving from development expenditure are    
expected beyond reasonable doubt to exceed such expenditure, these costs are    
capitalised and amortised over the period of expected benefit.                  
Finance costs                                                                   
Finance costs are generally expensed as incurred except where they relate to the
financing of construction or development of qualifying assets requiring a       
substantial period of time to prepare for their intended future use. Finance    
costs are capitalised up to the date when the asset is ready for its intended   
use. The amount of finance costs capitalised (before the effects of income tax) 
for the period is determined by applying the interest rate applicable to        
appropriate borrowings outstanding during the period to the average amount of   
accumulated expenditure for the assets during the period.                       
Property, plant and equipment                                                   
Valuation in financial statements                                               
Property, plant and equipment is recorded at cost.                              
Recoverable amounts of non-current assets                                       
All non-current assets are reviewed at least annually to determine whether their
carrying amounts require write-down to recoverable amounts.  Assets may be      
reviewed more regularly if an event or change in circumstances indicates that   
the carrying amount of an asset may not be recoverable. If the asset is         
determined to be impaired, an impairment loss will be recorded, and the asset   
written down, based on the amount by which the asset carrying amount exceeds the
higher of fair value less costs to sell and value in use. Value in use is       
determined by discounting expected future cash flows using a risk-adjusted pre- 
tax discount rate appropriate to the risks inherent in the asset. Future cash   
flows are estimated based on expected production and sales volumes, commodity   
prices (considering current and historical prices, price trends and related     
factors), recoverable reserves, operating costs, reclamation costs and capital  
costs. These estimates are subject to risk and uncertainty; hence there is a    
possibility that changes in circumstances will alter these projections, which   
may impact the recoverability of these assets.                                  
Disposals                                                                       
Disposals are taken to account in net profit from continuing operations, except 
where they represent the sale or abandonment of a significant business or all of
the assets associated with such a business, and are not considered to be of a   
recurring nature, in which case they are treated as significant items.          
Mineral rights                                                                  
Acquired mineral rights are accounted for at cost with provisions made where    
impairments in value have occurred.  Exploitable mineral rights are capitalised 
and depreciated from commencement of production over the production life of the 
asset.                                                                          
17 Accounting Policies continued                                                
Mineral leases                                                                  
The BHP Billiton Group"s mineral leases are of sufficient duration (or convey a 
legal right to renew for sufficient duration) to enable all reserves on the     
leased properties to be mined in accordance with current production schedules.  
Depreciation of property, plant and equipment                                   
The carrying amounts of property, plant and equipment (including the original   
capital expenditure and any subsequent capital expenditure) is depreciated to   
its residual value over the useful economic lives of the specific assets        
concerned or the life of the mine or lease, if shorter.  The major categories of
property, plant and equipment are depreciated on a unit of production and/or    
straight-line basis as follows:                                                 
     * Buildings - 25 to 50 years                                               
     * Land - not depreciated                                                   
* Plant, machinery and equipment   - 4 to 30 years                         
     Mineral rights * Mineral rights - based on the estimated life of reserves  
     on a unit of production basis                                              
     * Exploration, evaluation and - over the life of the proven and probable   
development expenditure of reserves on a unit of production basis minerals 
     assets and other mining assets                                             
     * Petroleum interests - over the life of the proved developed oil and gas  
     reserves on a unit of production basis                                     
* Leasehold land and buildings - over the life of the lease up to a        
     maximum of 50 years                                                        
     * Vehicles - 3 to 5 years straight-line                                    
     * Capitalised leased assets - up to 50 years or life of lease, whichever   
is shorter                                                                 
     * Computer systems - up to 8 years straight-line                           
Changes in estimates are accounted for over the estimated remaining economic    
life or the remaining commercial reserves as applicable.                        
Leased assets                                                                   
Assets held under leases which result in the BHP Billiton Group receiving       
substantially all the risks and rewards of ownership of the asset (finance      
leases) are capitalised at the lower of the fair value of the property, plant   
and equipment or the estimated present value of the minimum lease payments.     
The corresponding finance lease obligation is included within interest bearing  
liabilities. The interest element is allocated to accounting periods during the 
lease term to reflect a constant rate of interest on the remaining balance of   
the obligation for each accounting period.                                      
Operating lease assets are not capitalised and rental payments are included in  
the Income Statement on a straight-line basis over the lease term. Provision is 
made for the present value of future operating lease payments in relation to    
surplus lease space when it is first determined that the space will be of no    
probable future benefit. Operating lease incentives are recognised as a         
liability when received and subsequently reduced by allocating lease payments   
between rental expense and reduction of the liability.                          
Inventories                                                                     
Inventories, including work in progress, are valued at the lower of cost and net
realisable value. Cost is determined primarily on the basis of average costs. In
some cases, the first-in-first-out method or actual cost is used.  For processed
inventories, cost is derived on an absorption costing basis.  Cost comprises    
cost of purchasing raw materials and cost of production, including attributable 
mining and manufacturing overheads.                                             
17 Accounting Policies continued                                                
Taxation                                                                        
Taxation on the profit or loss for the year comprises current and deferred tax. 
Taxation is recognised in the Income Statement except to the extent that it     
relates to items recognised directly in equity, in which case the tax amounts   
are recognised in equity.                                                       
Current tax is the expected tax payable on the taxable income for the year,     
using rates enacted or substantively enacted at the year end, and includes any  
adjustment to tax payable in respect of previous years. It further excludes     
items that are never taxable or deductible.                                     
Deferred tax is provided using the balance sheet liability method, providing for
the tax effect of temporary differences between the carrying amount of assets   
and liabilities for financial reporting purposes and the amounts used for tax   
assessment or deduction purposes.  Where an asset has no deductible or          
depreciable amount for income tax purposes, but has a deductible amount for     
capital gains tax purposes, that amount is included in the determination of     
temporary differences. The tax effect of certain temporary differences is not   
recognised; principally with respect to goodwill; temporary differences arising 
on the initial recognition of assets or liabilities (other than those arising in
a business combination or in a manner that initially impacted accounting or     
taxable profit); and temporary differences relating to investments in           
subsidiaries, joint ventures and associates to the extent that the BHP Billiton 
Group is able to control the reversal of the temporary difference and the       
temporary difference is not expected to reverse in the foreseeable future. The  
amount of deferred tax provided is based on the expected manner and timing of   
realisation or settlement of the carrying amount of assets and liabilities,     
using tax rates enacted or substantively enacted at period end.                 
A deferred tax asset is recognised only to the extent that it is probable that  
future taxable profits will be available against which the asset can be         
utilised. Deferred tax assets are reviewed at each balance sheet date and       
amended to the extent that it is no longer probable that the related tax benefit
will be realised. Deferred tax assets and liabilities are offset when they      
relate to income taxes levied by the same taxation authority and the BHP        
Billiton Group has both the right and the intention to settle its current tax   
assets and liabilities on a net or simultaneous basis.                          
Royalties and resource rent taxes are treated as taxation arrangements when they
have the characteristics of a tax.  This is considered to be the case when they 
are imposed under Government authority and the amount payable is calculated by  
reference to revenue derived (net of any allowable deductions) after adjustment 
for items comprising temporary differences.  For such arrangements, current and 
deferred tax is provided on the same basis as described above for other forms of
taxation.  Obligations arising from royalty arrangements that do not satisfy    
these criteria are recognised as current provisions and included in expenses.   
Provision for employee benefits                                                 
Provision is made in the financial statements for all employee benefits,        
including on-costs. In relation to industry-based long service leave funds, the 
BHP Billiton Group"s share of receivables and payables, including obligations   
for funding shortfalls, have been recognised.                                   
Liabilities for wages and salaries, including non-monetary benefits, annual     
leave and accumulating sick leave expected to be settled within 12 months of the
reporting date are recognised in other creditors or provision for employee      
benefits in respect of employees" services up to the reporting date and are     
measured at the amounts expected to be paid when the liabilities are settled.   
Liabilities for non-accumulating sick leave are recognised when the leave is    
taken and measured at the rates paid or payable.                                
The liability for long service leave expected to be settled within 12 months of 
the reporting date is recognised in the provision for employee benefits and is  
measured in accordance with annual leave above. The liability for long service  
leave expected to be settled more than 12 months from the reporting date is     
recognised in the provision for employee benefits and measured as the present   
value of expected future payments to be made in respect of services provided by 
employees up to the reporting date. Consideration is given to expected future   
wage and salary levels, experience of employee departures and periods of        
17 Accounting Policies continued                                                
service. Expected future payments are discounted using market yields at the     
reporting date on national government bonds with terms to maturity and currency 
that match, as closely as possible, the estimated future cash outflows.         
Superannuation, pensions and other post-retirement benefits                     
The BHP Billiton Group operates or participates in a number of pension          
(including superannuation) schemes throughout the world. The funding of the     
schemes complies with local regulations. The assets of the schemes are generally
held separately from those of the BHP Billiton Group and are administered by    
trustees or management boards. For schemes of the defined-contribution type or  
those operated on an industry-wide basis, where it is not possible to identify  
assets attributable to the participation by the BHP Billiton Group"s employees, 
the pension charge is calculated on the basis of contributions payable.         
For defined benefit schemes, the cost of providing pensions is charged to the   
Income Statement so as to recognise current and past service costs, interest    
cost on defined benefit obligations, and the effect of any curtailments or      
settlements, net of expected returns on plan assets. Actuarial gains and losses 
are recognised in full directly in equity. An asset or liability is consequently
recognised in the Balance Sheet based on the present value of defined benefit   
obligations, any unrecognised past service costs and the fair value of plan     
assets.                                                                         
Certain BHP Billiton Group companies provide post-retirement medical benefits to
qualifying retirees. In some cases the benefits are provided through medical    
care schemes to which the company, the employees, the retirees and covered      
family members contribute. In some schemes, there is no funding of the benefits 
before retirement. These schemes are recognised on the same basis as described  
for defined benefit pension schemes.                                            
Provision for restoration and rehabilitation                                    
BHP Billiton Group companies are generally required to decommission and         
rehabilitate mines, oil and gas facilities and processing sites at the end of   
their producing lives to a condition acceptable to the relevant authorities and 
consistent with the BHP Billiton Group"s environmental policies.                
The expected cost of any approved decommissioning or rehabilitation programme,  
discounted to its net present value, is provided when the related environmental 
disturbance occurs, based on the BHP Billiton Group"s interpretation of         
environmental and regulatory requirements and its own environmental policies    
where these are more stringent and this has created an obligation on the BHP    
Billiton Group. The cost is capitalised where it gives rise to future benefits, 
whether the rehabilitation activity is expected to occur over the life of the   
operation or at the time of closure. The capitalised cost is amortised over the 
life of the operation and the increase in the net present value of the provision
for the expected cost is included in financial expenses.  Expected              
decommissioning and rehabilitation costs are based on the discounted value of   
the estimated future cost of detailed plans prepared for each site.  Where there
is a change in the expected decommissioning and restoration costs, an adjustment
is recorded against the carrying value of the provision and any related asset,  
and the effect is then recognised in the Income Statement on a prospective basis
over the remaining life of the operation.                                       
The provisions referred to above do not include any amounts related to          
remediation costs associated with unforeseen circumstances. Such costs are      
recognised when environmental contamination as a result of oil and chemical     
spills, seepage or other unforseen events gives rise to a loss which is probable
and reliably estimable.                                                         
The cost of other activities to prevent and control pollution and to            
rehabilitate the environment that is not included in provisions is charged to   
the Income Statement as incurred.                                               
17 Accounting Policies continued                                                
Financial instruments                                                           
The BHP Billiton Group adopted IAS 39 / AASB 139 "Financial Instruments:        
Recognition and Measurement" from 1 July 2005.  Adjustments have been made to   
the opening balance sheet at 1 July 2005 to reflect this change in accounting   
policy for the adoption of IAS 39 / AASB 139; these are shown separately in Note
11 Total equity.                                                                
Financial assets other than derivatives are recognised at fair value or         
amortised cost in accordance with the requirements of IAS 39 / AASB 139.  Where 
they are carried at fair value, gains and losses on remeasurement are recognised
directly in equity unless the financial assets have been designated as being    
held at fair value through profit, in which case the gains and losses are       
recognised directly in the Income Statement.  All financial liabilities other   
than derivatives are carried at amortised cost.                                 
Derivatives, including those embedded in other contractual arrangements, are    
initially recognised at fair value on the date a derivative contract is entered 
into and are subsequently remeasured to their fair value.  The method of        
recognising the resulting gain or loss depends on whether the derivative is     
designated as a hedging instrument, and if so, the nature of the item being     
hedged.  The measurement of fair value is based on quoted market prices.   Where
no price information is available from a quoted market source, alternative      
market mechanisms or recent comparable transactions, fair value is estimated    
based on the BHP Billiton Group"s views on relevant future prices, net of       
valuation allowances to accommodate liquidity, modelling and other risks        
implicit in such estimates.                                                     
The BHP Billiton Group"s foreign exchange contracts held for hedging purposes   
are generally accounted for as cash flow hedges.  Interest rate swaps held for  
hedging purposes are generally accounted for as fair value hedges.  Derivatives 
embedded within other contractual arrangements and commodity based transactions 
executed through derivative contracts do not qualify for hedge accounting.      
Fair value hedge                                                                
Changes in the fair value of derivatives that are designated and qualify as fair
value hedges are recorded in the Income Statement, together with any changes in 
the fair value of the hedged asset or liability that are attributable to the    
hedged risk.                                                                    
Cash flow hedge                                                                 
The effective portion of changes in the fair value of derivatives that are      
designated and qualify as cash flow hedges is recognised in equity in the       
hedging reserve.  The gain or loss relating to the ineffective portion is       
recognised immediately in the Income Statement.                                 
Amounts accumulated in equity are recycled in the Income Statement in the       
periods when the hedged item affects profit or loss.  However, when the forecast
transaction that is hedged results in the recognition of a non-financial asset  
(for example, plant and equipment purchases) or a non-financial liability, the  
gains and losses previously deferred in equity are transferred from equity and  
included in the measurement of the initial cost or carrying amount of the asset 
or liability.                                                                   
When a hedging instrument expires or is sold or terminated, or when a hedge no  
longer meets the criteria for hedge accounting, any cumulative gain or loss     
existing in equity at that time remains in equity and is recognised when the    
forecast transaction is ultimately recognised in the Income Statement.  When a  
hedged forecast transaction is no longer expected to occur, the cumulative hedge
gain or loss that was reported in equity is immediately transferred to the      
Income Statement.                                                               
Derivatives that do not qualify for hedge accounting                            
Certain derivative instruments do not qualify for hedge accounting. Changes in  
the fair value of any derivative instrument that does not qualify for hedge     
accounting are recognised immediately in the Income Statement.                  
17 Accounting Policies continued                                                
Prior to 1 July 2005, derivative financial instruments were accounted for using 
hedge accounting principles within Australian GAAP and UK GAAP whereby          
derivatives were matched to the specifically identified commercial risks being  
hedged.  These matching principles were applied to both realised and unrealised 
transactions.  Derivatives undertaken as hedges of anticipated transactions were
recognised when such transactions were recognised.  Upon recognition of the     
underlying transaction, derivatives were valued at the appropriate market spot  
rate.  When an underlying transaction could no longer be identified, gains or   
losses arising from a derivative that had been designated as a hedge of that    
transaction would be taken to the Income Statement whether or not such          
derivative was terminated.  When a hedge was terminated, the deferred gain or   
loss that arose prior to termination was:                                       
(a)deferred and included in the measurement of the anticipated transaction when 
it occurred; or                                                                 
(b) taken to the Income Statement where the anticipated transaction was no      
longer expected to occur.                                                       
The premiums paid on interest rate options and foreign currency put and call    
options were included in debtors and were deferred and included in the          
settlement of the underlying transaction.                                       
Available for sale and trading investments                                      
Available for sale and trading investments are measured at fair value.  Gains   
and losses on the re-measurement of trading investments are recognised directly 
in the Income Statement.  Gains and losses on the re-measurement of available   
for sale investments are recognised directly in equity, and subsequently        
recognised in the Income Statement when realised by sale or redemption, or when 
a reduction in fair value is judged to represent an impairment.                 
Prior to 1 July 2005, available for sale investments were classified as fixed   
asset investments and, other than for joint ventures and associates, were stated
individually at cost less provisions for impairments.  Trading investments were 
classified as current asset investments and valued at the lower of cost and net 
realisable value.  In determining net realisable values, market values were used
in the case of listed investments and Directors" estimates were used in the case
of unlisted investments.                                                        
Impact of judgement and estimates                                               
The preparation of the BHP Billiton Group"s financial report requires management
to make judgements and estimates that affect the reported amounts of assets and 
liabilities and the disclosure of contingent assets and liabilities at the date 
of the financial report and the reported revenues and expenses during the       
period. On an ongoing basis, management evaluates its judgements and estimates  
that impact on the financial report.  Management bases its judgements and       
estimates on historical experience and on various other factors that are        
believed to be reasonable under the circumstances, the results of which form the
basis of making judgements about the carrying values of assets and liabilities  
that are not readily apparent from other sources. Actual results may differ from
these estimates.                                                                
Rounding of amounts                                                             
Amounts in this financial report have, unless otherwise indicated, been rounded 
to the nearest million dollars.                                                 
Exchange rates                                                                  
The following exchange rates against the US dollar have been applied in the     
financial report:                                                               
Average   Average   Average     As at     As at    As at     
                      Half      Half      Year        31        31       30     
                      year      year  ended 30  December  December     June     
                  ended 31  ended 31      June      2005      2004     2005     
December  December      2005                                  
                      2005      2004                                            
  Australian          0.75      0.73      0.75      0.73      0.78     0.76     
  dollar (a)                                                                    
Brazilian real      2.30      2.89      2.73      2.33      2.66     2.36     
  Canadian            1.19      1.27      1.25      1.16      1.20     1.23     
  dollar                                                                        
  Chilean peso         540       612       595       514       557      579     
Colombian peso     2 297     2 556     2 454     2 287     2 353    2 329     
  South African       6.52      6.21      6.21      6.33      5.65     6.67     
  rand                                                                          
  Euro                0.83      0.80      0.79      0.84      0.73     0.83     
UK pound            0.57      0.54      0.54      0.58      0.52     0.55     
  sterling                                                                      
(a) Displayed as US$ to A$1 based on common convention.                         
Directors" Report                                                               
The Directors present their report together with the interim financial          
statements for the half year ended 31 December 2005 and the auditor"s review    
report thereon.                                                                 
REVIEW OF OPERATIONS                                                            
A detailed review of the Group"s operations, the results of those operations    
during the half year ended 31 December 2005 and likely future developments are  
given on pages 1 to 12.                                                         
Dividend                                                                        
Full details of dividends are given on page 24.                                 
Events After End of Half Year                                                   
No matters or circumstances have arisen since the end of the half year that have
significantly affected, or may significantly affect, the operations, results of 
operations or state of affairs of the BHP Billiton Group in subsequent          
accounting periods.                                                             
BOARD OF DIRECTORS                                                              
The Directors of the Company in office at any time during or since the end of   
the half year are:                                                              
Mr D R Argus - Chairman since April 1999 (on the Board of Directors    since    
November 1996)                                                                  
Mr D A Crawford - a Director since May 1994                                     
Mr M A Chaney - a Director from May 1995 until November 2005                    
Dr D A Jenkins - a Director since March 2000                                    
Dr J M Schubert - a Director since June 2000                                    
Dr D C Brink - a Director since June 2001 (a Director of Billiton Plc since June
1997)                                                                           
Lord Renwick of Clifton - a Director from June 2001 until November 2005 (a      
Director of Billiton Plc from June 1997)                                        
Mr C W Goodyear - an Executive Director since November 2001                     
Dr J G Buchanan - a Director since February 2003                                
Mr M Salamon - an Executive Director since February 2003                        
Mr C A Cordeiro - a Director since February 2005                                
Dr E G de Planque - a Director since September 2005                             
Mr M Kloppers - an Executive Director since January 2006                        
Mr C J Lynch - an Executive Director since January 2006                         
AUDITOR"S INDEPENDENCE DECLARATION                                              
KPMG in Australia are the auditors of BHP Billiton Limited. Their auditor"s     
independence declaration under Section 307C of the Australian Corporations Act  
2001 is set out on page 44.                                                     
ROUNDING OF AMOUNTS                                                             
BHP Billiton Limited is a company of a kind referred to in Australian Securities
and Investments Commission Class Order No 98/100, dated 10 July 1998.  Amounts  
in this Directors" Report and financial report have been rounded to the nearest 
million dollars in accordance with that class order.                            
Signed in accordance with a resolution of the Board.                            
D R Argus                                                                       
Chairman                                                                        
Melbourne                                                                       
15 February 2006                                                                
Directors" Declaration                                                          
In the opinion of the directors of the BHP Billiton Group:                      
(a) the financial statements and notes set out on pages 13 to 43, are in        
accordance with the Listing Rules of the Financial Services Authority in the    
United Kingdom, applicable accounting standards and the Australian Corporations 
Act 2001, including giving a true and fair view of the financial position of the
BHP Billiton Group as at 31 December 2005 and of its performance, as represented
by the results of its operations and cash flows for the half-year ended on that 
date.                                                                           
(b) there are reasonable grounds to believe that each of the BHP Billiton Group,
BHP Billiton Limited and BHP Billiton Plc, will be able to pay its debts as and 
when they become due and payable.                                               
Signed in accordance with a resolution of the directors.                        
D R Argus                                                                       
Chairman                                                                        
Melbourne                                                                       
15 February 2006                                                                
Auditor"s Independence Declaration                                              
To: the directors of BHP Billiton Limited                                       
I declare that, to the best of my knowledge and belief, in relation to the      
review for the half-year ended 31 December 2005 there have been:                
(i) no contraventions of the auditor independence requirements as set out in the
Australian Corporations Act 2001 in relation to the review; and                 
(ii) no contraventions of any applicable code of professional conduct in        
relation to the review.                                                         
This declaration is in respect of BHP Billiton Limited and the entities         
controlled during the period.                                                   
KPMG                                                                            
Peter Nash                                                                      
Partner                                                                         
Melbourne                                                                       
15 February 2006                                                                
Independent review report of KPMG Audit Plc to BHP Billiton Plc and KPMG to the 
members of BHP Billiton Limited                                                 
Scope                                                                           
KPMG Audit Plc and KPMG have reviewed the financial information of the BHP      
Billiton Group for the half year ended 31 December 2005, set out on pages 13 to 
43, and KPMG has also reviewed the directors" declaration set out on page 44.   
KPMG Audit Plc"s report is made solely to BHP Billiton Plc in accordance with   
the terms of KPMG Audit Plc"s engagement to assist BHP Billiton Plc in meeting  
the requirements of the Listing Rules of the Financial Services Authority.  KPMG
Audit Plc"s review has been undertaken so that we might state to the company    
those matters we are required to state to it in this report and for no other    
purpose.  To the fullest extent permitted by law, we do not accept or assume    
responsibility to anyone other than the company for our review work, for this   
report, or for the conclusions we have reached.                                 
KPMG has performed an independent review of the interim financial report in     
order to state whether, on the basis of the procedures described, anything has  
come to its attention that would indicate that the interim financial report is  
not presented fairly in accordance with Australian Accounting Standard AASB 134 
Interim Financial Reporting and other mandatory financial reporting requirements
in Australia and statutory requirements, so as to present a view which is       
consistent with our understanding of the group"s financial position, and        
performance as represented by the results of its operations and its cash flows  
and in order for BHP Billiton Limited to lodge the interim financial report with
the Australian Securities and Investments Commission.                           
Directors" responsibilities                                                     
The interim report, including the financial information contained therein, is   
the responsibility of and has been approved by the Directors.  The Directors are
responsible for preparing the interim financial report:                         
* in accordance with the Listing Rules of the Financial Services Authority in   
the United Kingdom which require that the accounting policies and presentation  
applied to the interim figures should be consistent with those applied in       
preparing the preceding annual financial statements except where any changes,   
and the reasons for them, are disclosed; and                                    
* in accordance with the Australian Corporations Act 2001 including the relevant
reconciling information regarding adjustments required under Australian         
Accounting Standard AASB 1 First-Time Adoption of Australian equivalents to     
International Financial Reporting Standards.                                    
As disclosed in note 16 to the financial statements, the next annual financial  
statements of the group will be prepared in accordance with IFRS as adopted by  
the European Union and Australian Accounting Standards.  This interim financial 
report has been prepared in accordance with IAS 34/AASB 134 Interim Financial   
Reporting and the requirements of IFRS 1 First-time Adoption of International   
Financial Reporting Standards/AASB 1 First Time Adoption of Australian          
Equivalents to International Financial Reporting Standards relevant to interim  
financial reports.                                                              
The accounting policies that have been adopted in preparing the financial       
statements are consistent with those that the Directors currently intend to use 
in the next annual financial statements.  There is, however, a possibility that 
the directors may determine that some changes to these policies are necessary   
when preparing the full annual financial statements for the first time in       
accordance with those IFRS as adopted by the European Union and Australian      
Accounting Standards.                                                           
Review work performed                                                           
KPMG Audit Plc conducted its review in accordance with guidance contained in    
Bulletin 1999/4 Review of interim financial information issued by the Auditing  
Practices Board for use in the United Kingdom.                                  
KPMG conducted its review in accordance with Australian Auditing Standards      
applicable to review engagements.                                               
A review consists principally of making enquiries of group management and       
applying analytical procedures to the financial information and underlying      
financial data and, based thereon, assessing whether the accounting policies and
presentation have been consistently applied unless otherwise disclosed.  A      
review is substantially less in scope than an audit performed in accordance with
Auditing Standards and therefore provides a lower level of assurance than an    
audit.  Accordingly, we do not express an audit opinion on the financial        
information.                                                                    
Review conclusion by KPMG Audit Plc                                             
On the basis of our review we are not aware of any material modifications that  
should be made to the financial information as presented for the six months     
ended 31 December 2005.                                                         
KPMG Audit Plc                                                                  
Chartered Accountants                                                           
London                                                                          
15 February 2006                                                                
Review conclusion by KPMG                                                       
Based on our review, which is not an audit, we have not become aware of any     
matter that makes us believe that the half year financial report of BHP Billiton
Limited is not in accordance with:                                              
a)   the Corporations Act 2001, including:                                      
i)   giving a true and fair view of the group"s financial position as at 31     
December 2005 and of its performance for the half year ended on that date; and  
ii)  complying with Australian Accounting Standard AASB 134 Interim Financial   
Reporting and the Corporations Regulations 2001; and                            
b)   other mandatory financial reporting requirements in Australia.             
KPMG                                                                            
Peter Nash                                                                      
Partner                                                                         
Melbourne                                                                       
15 February 2006                                                                
Date: 15/02/2006 08:58:15 AM Produced by the JSE SENS Department                
                                                                                
                                                                                
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