Half Year Results-Part 1

Rio Tinto PLC 3 August 2000 Part 1 Rio Tinto Earnings up 33 Per Cent * 2000 first-half net earnings of $677 million, up 33 per cent on the same period last year. * Strong growth in demand boosted prices for most products. * Continued strong cash flow from operations at more than $1.5 billion for the half year. * Successful acquisition of the remaining public shares in Comalco. * Offer to acquire North Limited. * Interim dividend up 27 per cent in Australian dollar terms and 22 per cent in sterling terms. 'Further growth in the US, a pick up in Europe and Japan and continuing recovery in emerging Asian economies raised demand for many mined products,' said Sir Robert Wilson, Chairman of Rio Tinto. 'The first half of this year has seen our successful acquisition of the outstanding shares of Comalco Limited and our bid for the Australian mining company, North Limited. The strong first-half results from Comalco demonstrate the soundness of that acquisition which also increases our flexibility to consider further opportunities in the aluminium industry. 'Our offer for North provides the potential for synergies between Rio Tinto's iron ore operations in Western Australia and those of North. There remains little doubt that Rio Tinto is the logical acquirer. 'Rio Tinto's cash flow from operations remains strong at over $1.5 billion for the half year. Even with net acquisitions of $0.9 billion, including the increased investment in Comalco and the initial 14.5 per cent stake in North, the ratio of net debt to total capital of 28 per cent is lower than 12 months ago.' Half Year to 30 June 2000 1999 Change Group sales revenue $4,573m $4,273m +7% Profit before tax $1,131m $840m +35% Net earnings $677m $509m +33% Earnings per share 49.4 cents 37.2 cents +33% All $ are US$, unless otherwise stated. Interim dividends, equivalent to 19 US cents (12.66 pence and 32.68 Australian cents) per share, have been declared. This compares with the 1999 interim dividends of 16.5 US cents (10.39 pence and 25.64 Australian cents). FIRST HALF 2000 REVIEW In the first half of 2000 volumes increased at Hamersley Iron due to buoyant Asian steel demand with resultant record first half production and shipments. Aluminium production was up, helped by the increased stake in Comalco where the full benefit of the acquisition will become evident in the second half. However, lower grades impacted copper and gold production. Higher fuel costs affected most operations, and lower grades reduced earnings at a number of copper operations. In addition delayed sales affected the Grasberg copper mine in Indonesia. Leigh Clifford, Chief Executive of Rio Tinto, said: 'Work is under way to ensure improved performance at our major copper operations. Additionally, we will maintain our focus on cost, capital and margins at all operations.' On projects, work continued on the Palabora underground copper mine in South Africa while at the Diavik diamond project in Canada final permitting is awaited. A low cost expansion of the Yandicoogina iron ore mine in Western Australia to 20 mtpa capacity is under way. Looking ahead, evaluation work continued on Comalco's alumina project and further expansions of Escondida in Chile. During the half year Rio Tinto joined 13 other mining companies to create a B2B marketplace for the purchase of goods and services. This will lead to more efficient ordering, lower inventories and access to a wider group of suppliers. Rio Tinto is also looking at the impact of e-business on how it sells its products. On the industrial relations front, a new collective agreement was negotiated at the Mount Thorley coal operation in the Hunter Valley in New South Wales and overwhelmingly supported by employees in July. This is a major step forward in securing the long-term competitiveness of our New South Wales coal operations and hopefully leading to a more stable industrial relations environment. OUTLOOK 'The current economic climate is favourable, resulting generally in growth of demand and lower industry stocks,' said Sir Robert. 'These conditions would normally be reflected in stronger prices than we are seeing today which may be telling us that the market has concerns about the continuing durability of the US expansion. 'During the second half of 2000 we expect some recovery from the lower grades which impacted some of our copper operations in the first half and we will benefit from the full ownership of Comalco.' FIRST HALF 2000 FINANCIAL RESULTS Net earnings Net earnings, at $677 million, were $168 million (33 per cent) above the $509 million in the first half of 1999. Higher selling prices contributed $181 million to earnings. Copper prices averaged 23 per cent above the low levels of first half 1999 and aluminium prices were up 25 per cent. Higher nickel prices were the main factor in the substantial increase in earnings from the Group's Brazilian operations. Earnings also benefited from higher diamond prices but have yet to reflect the full impact of iron ore price increases effective from 1 April 2000. The weakening of the Australian dollar and other exchange rates added $43 million to earnings compared with the first half of 1999. Volume changes reduced earnings by $34 million. Much of this results from delayed shipments and lower production at Grasberg. Titanium dioxide feedstock shipments were lower and there was a less valuable mix of rough diamond sales. Indonesian coal output was reduced as a result of a strike. There were substantial offsetting volume increases at Hamersley and at Comalco. Rio Tinto benefited from increased ownership of Comalco in June and will take up 100 per cent of its profits in future. If the purchase of the outstanding shares had been completed at the start of the year, Rio Tinto would have taken up additional earnings of $37 million in the six months, net of amortisation of the additional investment but before the resulting increment to interest charges of approximately $15 million. Overall, costs increased by $41 million, including inflation of $26 million and non-recurring items totalling $10 million. Cash costs increased by $5 million in real terms compared with the first half of 1999. The continued drive for improvements in efficiency throughout the Group largely offset the impact of higher oil prices, which are well over twice the level of a year ago and are estimated to have added around $35 million to costs on a net of tax basis. In 2000, Australian earnings are taxable at 34 per cent, a reduction of two percentage points compared with 1999; but this rate will reduce by a further four percentage points in 2001. If the future Australian tax rate of 30 per cent had been in force this year, the Group's tax charge would have been $29 million (2.6 percentage points) lower. The effective tax rate in the first half at 31.5 per cent was reduced by 1.5 percentage points as a result of tax-free gains. The tax rates in first half 1999 at 29.5 per cent and full year 1999 at 27 per cent benefited from one-off reductions in deferred tax provisions as a result of reductions in tax rates in South Africa and Australia. Other variances added $48 million to earnings. These included the gain on disposal of the Group's coal interest in Carbones del Cerrejon in Colombia. Cash Flow Cash flow from operating activities together with dividends from joint ventures and associates increased by $331 million, compared with the same period last year, to $1,560 million. Acquisitions less disposals involved a net cash outlay of $902 million, which was $620 million above the same period last year. This included payments for shares in Comalco. A further $83 million of Comalco shares were purchased for Rio Tinto scrip. This line in the cash flow statement also includes the purchase of 14.5 per cent of North Limited and the sale of the Group's interest in Carbones del Cerrejon. Purchases of property, plant and equipment at $299 million, were $71 million lower than first half 1999. Net repayments of loans to joint ventures and associates were $223 million in first half 1999 but reduced to $18 million in first half 2000. The balance of the loan to Freeport was repaid in the first half of 2000. Despite the high level of acquisition expenditure in the period, and dividend payments of $513 million, the cash outflow before management of liquid resources and financing was confined to $615 million in the six months (1999: $272 million outflow). Balance Sheet Shareholders' funds increased by $213 million in the half year to $7,309 million at 30 June 2000. The increase includes retained earnings of $416 million. It is net of a currency translation adjustment of $287 million, which was due largely to a nine per cent reduction in the Australian dollar exchange rate since 31 December 1999. Net debt increased by $601 million over the six months, to $3,030 million. Net debt to total capital at 28.4 per cent compares with 23.7 per cent at the start of the year. Dividends Interim dividends equivalent to 19 US cents per share (1999: 16.5 US cents) have been declared by Rio Tinto plc and Rio Tinto Limited. Dividends continue to be determined in US currency. Rio Tinto Limited dividends are declared and paid in Australian dollars and Rio Tinto plc dividends are declared and paid in pounds sterling, converted at exchange rates applicable two days prior to their announcement. Rio Tinto plc shareholders will be paid an interim dividend of 12.66p per ordinary share (1999: 10.39p). Rio Tinto Limited shareholders will be paid an interim dividend of 32.68 Australian cents per ordinary share (1999: 25.64 cents). This will be fully franked at the tax rate of 34 per cent. The directors consider that there are sufficient franking credits available for paying fully franked dividends for at least the next year. The respective dividends will be paid on 15 September 2000 to shareholders registered at close of business on 18 August 2000, and to Rio Tinto plc bearer shareholders against coupon 83 on or after 15 September 2000. The ex-dividend date will be 14 August 2000. Dividends to Rio Tinto ADR holders will be paid on 18 September 2000. Share Issues and Buy-backs During the six months to 30 June 2000, 3.16 million Rio Tinto plc shares and 2.14 million Rio Tinto Limited shares were issued in connection with the Comalco acquisition. As previously announced it is Rio Tinto's intention to buy back, subject to market conditions, a number of shares equal to those issued in connection with the Comalco offer. So far 1.2 million Rio Tinto plc shares have been purchased and cancelled by Rio Tinto plc at an average price of 1035p per share and 0.74 million Rio Tinto Limited shares have been purchased and cancelled by Rio Tinto Limited at an average price of A$25.13 per share. In addition, Rio Tinto Limited purchased off market and cancelled 91 million Rio Tinto Limited shares held by Tinto Holdings Australia Pty. Limited (a wholly owned indirect subsidiary of Rio Tinto plc). REVIEW OF RIO TINTO OPERATIONS (Production shown is the product group share of output unless otherwise stated) IRON ORE GROUP 2000 first half earnings $141 million, up 16% Production at 28.6 million tonnes, up 19% Rio Tinto's Iron Ore group accounted for 11 per cent of Group turnover and contributed 21 per cent of net earnings in the first half of 2000. Hamersley achieved record iron ore production and shipments despite disruptions caused by cyclones in the first quarter. In total, 32 million tonnes were shipped in the half year, 21 per cent more than in the same period of 1999. Demand strengthened in major markets, particularly China and Japan, and Yandicoogina ore was much sought after. A price increase of approximately five per cent was agreed with Japanese steel mills for the delivery year commencing 1 April 2000. INDUSTRIAL MINERALS GROUP 2000 first half earnings $179 million, down 5% Borate production at 280,000 tonnes, down 3% Titanium dioxide feedstock production at 659,000 tonnes, down 10% Rio Tinto's Industrial Minerals businesses accounted for 22 per cent of Group turnover and contributed 26 per cent of net earnings in the first half of 2000. Rio Tinto Borax's earnings of $52 million were 13 per cent lower than in the same period of 1999. Sales in most markets for borates were flat, with weakness in Europe caused by continuing pressures on pricing in the marketplace, exacerbated by the weakness of the euro against the dollar. Significant work was undertaken in connection with the redesign of the Boron mine in California in the US as it moves into a period of higher stripping rates. Rio Tinto Iron & Titanium earnings were 18 per cent lower at $66 million in the first half of 2000, reflecting softer demand for feedstocks, reduced production at Richards Bay to balance inventories and the absence of the one off tax credit in 1999 arising from the reduction in South African tax rates. Customer destocking was an important factor in the softer titanium dioxide feedstock demand. Iron and steel co-product markets remained intensely competitive although those for zircon strengthened. Reconstruction of QIT's Canadian Sorel furnace damaged by fire in mid 1999 proceeded to plan. Continued strong demand for Argyle diamonds in Western Australia resulted in an earnings improvement of 50 per cent to $45 million. Lower ore grade was partially offset by an increase in ore processed but diamond production was slightly lower at 14.2 million carats. Earnings at Luzenac's talc operations in Europe and North America saw flat demand in the Northern Hemisphere but benefited from continuing cost containment measures. Accordingly, profits remained at a similar level to those in the first half of 1999. Exceptionally heavy rainfall at Dampier Salt's Dampier field, and flood conditions at the Lake MacLeod operation in Western Australia, adversely affected production and, as a result, sales and earnings were lower. The effect on production will depend on the developing weather pattern over the balance of the year but it was necessary to declare a partial force majeure on shipments. COPPER GROUP 2000 first half earnings $87 million, down 24% Mined copper production at 409,000 tonnes, down 6% Refined copper production at 186,000 tonnes, up 1% Rio Tinto's Copper group accounted for 20 per cent of Group turnover, of which 72 per cent was from copper and the remainder mostly from gold co-product. The Copper group contributed 13 per cent of net earnings in the first half of 2000. The average copper price in the first half of 2000 was 80 cents/lb, 23 per cent higher than the average in the first half of 1999. The average gold price was $285/oz in the first half compared with $280/oz in the first half of 1999. In the US Kennecott Utah Copper's mine production of copper was three per cent lower but that of gold 38 per cent higher, due primarily to changes in ore grades. The smelter operated at 104 per cent of design capability during the first six months, and refined copper and gold production both increased, by four per cent and 15 per cent respectively. Operating costs associated with the new tailings facilities, including depreciation, higher fuel costs and a major planned maintenance shutdown in the smelter in April, depressed earnings. At Grasberg in Indonesia total production of copper and gold was affected by lower ore grades despite higher milling and recovery rates. Sharply higher mine costs and delayed sales impacted earnings. However, more of the production was attributable to the Joint Venture, resulting in Rio Tinto's share of copper decreasing by three per cent while that of gold was 32 per cent down. PT Freeport Indonesia agreed to limit temporarily production from its Grasberg open pit to an average of 200,000 tonnes of ore per day in May pending the conclusion of technical studies and recommendations for the safe use of the Wanagon Basin for overburden storage. Underground production remains at 20,000 tonnes of ore per day and development of the DOZ block cave continues in line with plans. As a result of Freeport-McMoRan Copper & Gold (FCX) share buy-backs during the first half of 2000, Rio Tinto's holding in FCX has increased from 14.6 to 15.7 per cent. Ore grade at Escondida in Chile continues to decline in line with long-term projections and this resulted in a 14 per cent reduction in mined copper output in the first half of 2000. Refined copper produced by the oxide plant, which has consistently exceeded design capacity at lower than planned cost, increased by 13 per cent. Heavy rains flooded the open pit at Palabora in South Africa in the first quarter of the year. This severely reduced ability to blend ores which impacted on milling and concentrator throughputs. However ore grade was higher and, as a result, mined production of copper increased by 22 per cent. Smelter maintenance and operating delays reduced anode supply and refined copper production was 30 per cent lower. A major smelter overhaul was completed in July and production performance has returned to normal levels. Rio Tinto commenced the process to sell its 49 per cent interest in the Neves Corvo underground copper mine in Portugal early in the year and a number of expressions of interest have been received. In the first half of 2000, Neves Corvo's copper production decreased by six per cent, reflecting a decline in treated volumes. COMALCO 2000 first half earnings $156 million, up 200% Bauxite production at 4.8 million tonnes, up 15% Alumina production at 664,000 tonnes, up 15% Aluminium production at 268,000 tonnes, up 13% Comalco, Rio Tinto's Australian integrated aluminium group, accounted for 18 per cent of Group turnover and contributed 23 per cent of net earnings in the first half of 2000. The average aluminium price was 25 per cent higher than in the same period of 1999 and the average Australian dollar exchange rate weakened by around five per cent against the US dollar. Comalco earnings in the first half of 2000 also benefited from a tight alumina market, with spot sales at significantly higher prices than in 1999. Rio Tinto's share of earnings also benefited from its increased ownership in Comalco during this period. Bauxite production mainly reflected the impact of seasonal weather conditions at Weipa in Queensland. Process improvements at Eurallumina in Italy resulted in record alumina output while Queensland Alumina's production remained strong. Aluminium metal production also benefited from process improvements. Comalco's PEP programme continues to generate savings across all sites which have helped to offset the impact of higher fuel prices in the first half of 2000. ENERGY GROUP 2000 first half earnings $117 million, up 5% Coal production at 62 million tonnes, down 8% Uranium oxide production at 1,059 tonnes, down 6% Rio Tinto's Energy group accounted for 19 per cent of Group turnover and contributed 17 per cent to net earnings in the first half of 2000. In the US, even though electrical consumption was up over four per cent from the same time last year, increased customer stockpiles caused by mild weather and preparations for Year 2000, coupled with increased nuclear plant utilisation, are playing a role in the lower demand for coal. This reduction in demand and pressure on spot prices caused major producers to cut back production. Kennecott Energy reduced output by eight per cent compared with the same period in 1999 and its costs were adversely affected by abnormally high diesel fuel prices. Overall production from the Australian coal operations was similar to that in 1999. In New South Wales, Coal & Allied Industries' profitability improved due to better operational performance and the settlement of a contractual dispute with a significant domestic customer. A three-year collective agreement for the Mount Thorley operation was signed in July, the terms of which allow for significant workplace reforms. Pacific Coal, in Queensland, achieved record production levels at Kestrel. At Blair Athol, Pacific Coal has taken steps to overcome gas leakage from old underground workings which has hampered output. Oversupply in internationally-traded coking and steam coal markets resulted in further price reductions of up to six per cent. At Kaltim Prima in Indonesia significant equipment was committed to developing access to new areas. This, together with high rainfall, low in-pit inventories and industrial action by one of the three site trade unions, constrained production. Following a three-week strike and blockade of the coal processing plant by one of the unions, force majeure was declared on commercial coal sales in July. In January Rio Tinto disposed of its one-third interest in Carbones del Cerrejon in Colombia at a profit of $55 million. In Namibia Rossing's uranium oxide production was six per cent lower than in the first half of 1999. The spot uranium oxide price continued to fall and ROSSING commenced a programme to reduce costs by 20 per cent. The previously announced reduction in Namibian mining tax rates has yet to be enacted. GOLD & OTHER MINERALS GROUP 2000 first half earnings $79 million, up 58% Gold production at 581,000 ounces, down 20% Rio Tinto's Gold & Other Minerals group accounted for ten per cent of turnover and contributed 12 per cent of net earnings in the first half of 2000. The average gold price, at US$285/oz, was two per cent higher than in the first half of 1999 and those of aluminium, nickel and zinc were higher, by 25 per cent, 95 per cent and 13 per cent respectively. Higher ore grade, additional milling capacity installed in 1999 and improved recoveries increased gold production by 38 per cent at Morro do Ouro in Brazil. In the US Kennecott Minerals output was 26 per cent lower; the Ridgeway mine was closed in late 1999 and gold production at Cortez was down due to the processing of mixed ore and the development of the Cortez Pipeline pit. Production was substantially lower at Kelian in Indonesia where mining activities were suspended from late April until mid June as a result of a dispute over land compensation claims. Unscheduled maintenance and lower grade at Lihir in Papua New Guinea resulted in reduced output and Rio Tinto's interest decreased to 16.3 per cent as a result of the merger of Lihir Gold and Niugini Mining in early 2000. In June Lihir announced a 20 per cent increase in total reserves to 13.4 million ounces. In Australia the $20 million development of Peak Gold's New Occidental orebody will extend the life of the mine by up to five years. Political and economic problems impacted gold operations at Rio Tinto Zimbabwe. At Anglesey Aluminium in the UK production records lifted output by three per cent and opacity of stack emissions was reduced significantly due to refurbishment of the carbon bake plant. The Greens Creek zinc/lead/silver mine and mill in Alaska continued to implement productivity improvements and consistently exceeded design throughput but ore grades varied with the mining sequence resulting in similar tonnages of zinc and silver being produced. In Norway Norzink's zinc production was five per cent lower due to avalanches early in the year and extended maintenance. Production of nickel in matte increased by 21 per cent at the Fortaleza mine in Brazil where the transition to underground mining will be completed by year-end. CORPORATE ACTIVITY During the half year Rio Tinto offered to acquire the outstanding shares in Comalco Limited. This offer has been successful and Comalco is now a wholly owned subsidiary of Rio Tinto. The acquisition cost was $0.9 billion. Weighted average ownership of Comalco during the first half of the year was 78 per cent. As a result of the increased ownership of Comalco, Rio Tinto's total beneficial primary aluminium smelter capacity has increased from 600,000 tonnes a year to 760,000 tonnes a year. On 23 June Rio Tinto announced a cash offer of A$3.80/share to acquire all the issued shares of North Limited in Australia after acquiring a 14.5 per cent stake. NEW PROJECT DEVELOPMENT In the Iron Ore group, trial shipments of Hamersley's Nammuldi Marra Mamba iron ore were made during the half year to several customers. In June the Western Australian Government approved the expansion of Yandicoogina to 20 million tonnes per year, enabling Hamersley to participate fully in one of the fastest growing market sectors for iron ore. No major changes to the existing facilities are planned but plant modifications will allow operating hours and throughput rates to be increased and will be completed by the end of 2000. Subject to definitive studies, which are expected to be completed by November, a HIsmelt(R) direct smelting technology plant, capable of producing around 600,000 tonnes of hot metal per year, is planned to be installed at a Nucor facility in the US. If successful, the HIsmelt(R) technology could be further scaled up to plants capable of producing over 1.5 million tonnes of hot metal per year. In Industrial Minerals, Richard Bay Minerals' $170 million fifth dredge was fully commissioned on schedule and to budget by early 2000. Construction of the C$1.3 billion 20-year life Diavik Diamonds project in Canada remains subject to receipt of final permits and licences and owners' approval. Within the Copper group work on Palabora's $437 million underground mine continued with overall construction progress now standing at 55 per cent. Underground production is scheduled for 2003 to coincide with closure of the open pit. Evaluation of the Escondida $1.2 billion Phase 4 expansion feasibility study continued with a decision expected by year-end. The oxide plant will be expanded by eight per cent to 150,000 tonnes per year capacity from March 2001 at a cost of just over $7 million. Consideration is being given to restarting the Hail Creek coking coal project in Queensland which was put on hold at the start of 1999. Comalco continued to evaluate a new greenfield alumina refinery at Gladstone in Queensland based on Weipa bauxite. EXPLORATION Total pre-tax exploration expenditure charged to the profit and loss account for the first half of 2000 was $58 million compared with $64 million for the first half of 1999. Global prioritisation of the exploration programme continued. New programmes for a variety of commodities were initiated in prospective terrain around the world and other less prospective programmes were terminated. In Canada early stage programmes resulted in identification of a diamondiferous kimberlite pipe on the Tahera option in Nunavut and uranium mineralisation on the JNR alliance in Saskatchewan. Work continued in both areas. Processing of surface bulk samples commenced at the Dachine diamond option in French Guyana, drill sampling of kimberlite pipes continued in the Catalao area of Brazil and reconnaissance drilling of sulphide nickel targets commenced in the Giles complex of central Australia. These programmes will continue during the third quarter. Generative work in Turkey, Indonesia, Chile, Peru and northern Mexico identified attractive copper prospects for drill testing in the third quarter. Attractive drill targets were identified on a polymetallic massive sulphide prospect in south-eastern Alaska and on gold prospects in Alaska and Argentina. On more advanced programmes, delineation drilling continued on recently discovered gold-copper mineralisation within the Ertsberg intrusion on Freeport Contract of Work A in Indonesia. Delineation drilling also continued at the Argyle diamond mine in Western Australia and at the Simandou iron ore prospect in south-eastern Guinea. E-BUSINESS Rio Tinto has been investigating actively the use of e-business technologies as they apply to procurement since mid 1999. Building on a successful corporate Group purchasing programme, the application of e-technologies was identified as a key strategic component required to help capture maximum efficiencies from the Group's supply chain. Plans for an internal Rio Tinto exchange were put on hold prior to Easter 2000 when the Group entered into discussions with other industry participants to investigate the potential of creating an industry-wide, open and neutral e-marketplace for the purchase of goods and services. Discussions culminated in an announcement in May that 14 significant companies in the Mining and Minerals sector had agreed to pursue jointly the establishment of an industry-wide e-marketplace. Rio Tinto is contributing a mixture of personnel and resources to support the project team in Los Angeles which is developing the detailed scope of the Mining & Minerals e-Marketplace. An announcement about the formation of the e-marketplace will be made towards the end of the third quarter 2000. In addition, internal project teams have been working to prepare business units to exploit the opportunities provided by e-procurement. This work further extends Rio Tinto's collaborative purchasing activities. The impact on how goods and services are purchased will be positive, allowing more efficient ordering, reduced inventories, access to a wider market of suppliers and lower costs. In respect of marketing Rio Tinto's diversity of production, the impact of e-business is less certain. A study of potential opportunities for the various commodities is under way, involving representatives of all product groups. For further information, please contact: Media Relations Investor Relations Lisa Cullimore Peter Jarvis + 44 (0) 20 7753 2305 + 44 (0) 20 7753 2401 Website: www.riotinto.com MORE TO FOLLOW

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