Palabora Mining Interim Rslts

RIO TINTO PLC 16 July 1999 Palabora Mining Company Limited and its Subsidiaries Interim report for the six months ended 30 June 1999 UNAUDITED GROUP RESULTS Six Months Year Income statement 30.6.99 30.6.98 1998 R000 R000 R000 Revenue 685,823 852,260 1,803,914 Operating costs / depreciation 471,914 682,342 1,357,735 Operating profit 213,909 169,918 446,179 Dividends received 0 - Interest received 5,212 3,307 12,584 Foreign exchange gains / (losses) 5,128 5,357 26,758 Interest payable (1,121) (1,750) (2,119) Profit before taxation 223,128 176,832 483,402 Deduct : Taxation and lease Consideration 10,192 81,488 208,952 Profit after taxation 212,936 95,344 274,450 Six Months Year Balance Sheet 30.6.99 30.6.98 1998 R000 R000 R000 Employment of capital Fixed assets 2,013,462 1,572,211 1,827,006 Deferred expenditure 54,322 72,815 63,112 Investment - (Unlisted) 33,829 28,876 33,829 Current assets 778,460 690,951 735,746 Current liabilities (270,622) (215,914) (243,232) Total 2,609,451 2,148,939 2 416,461 Capital employed Ordinary shareholders' funds 1 174 738 851 234 962 544 Provision for restoration 75 780 67 800 72 180 Borrowings 607 732 578 675 588 300 Provision for Post Retirement Medical Benefits 116 220 96 254 117 312 Deferred taxation 609 280 554 976 650 424 Secondary taxation 25 701 0 25 701 2 609 451 2 148 939 2 416 461 Selected Statistics Six Months Year 30.6.99 30.6.98 1998 Production and sales Materials mined (millions of tons) 13,9 15,2 30,3 Copper in concentrate (thousands of tons) 47,5 68,9 148,4 Cathode produced (thousands of tons) 45,9 47,3 104,1 Cathode sold (thousands of tons) 46,2 51,7 109,3 Contained copper sold (thousands of tons) 0,2 68,0 142,4 Average rand/dollar exchange rate 6,13 5,06 5,54 Average copper price realised per ton (SAR) 9 371 9 090 9 574 Cash Cost - delivered (SAR) 6 313 5 197 4 861 Average copper price realised (USc/lb) 69,3 81,5 78,3 All tons are metric tons Capital Expenditure (R million) 217 247 544 Capital commitments (R million) Approved expenditure at end of each period 1 345 2 185 1 313 Contracts placed at end of each period 885 1 305 864 Share capital (R 000) Ordinary shares of R1 each (thousands) 28 316 28 316 28 316 Earnings per share, based on the net profit after tax R7,52 R3,37 R9,69 Headline earnings per share, based on the net profit after tax adjusted for non- operational gains/ losses R4,69 R3,37 R10,12 Net asset value per share R41,49 R30,06 R33,99 Dividends paid (R 000) 1998 final dividend 70 cents per share 19 821 (1997 : 100 cents per share) 28 316 1998 total dividend 250 cents per share 70 789 1999 first interim dividend 30 cents per share 8 495 (1998 : 50 cents per share) 14 158 COMMENTARY Consolidated Group Profit for the first half of 1999 was R213 million, compared with R95 million achieved for the equivalent period last year. The increase in profit is attributable to the reduction in the corporate income tax rate from 35% to 30% announced by the Minister of Finance in February 1999 worth R88 million and operating cost savings. These savings arose from discontinuation of copper purchases made in 1998, divestment of overseas subsidiaries in October 1998,an increase in product stocks which impacts on the cost of sales adjustment and a restructuring programme undertaken in the first half of 1999. The Rand copper price achieved for the first half of 1999 was R9 371/ton against R9 090/ton for the equivalent period in 1998. Revenue was R166 million less than the R852 million achieved for the corresponding period last year. A major refurbishment project was undertaken on the rod casting plant in May/June 1999. In order to maintain supply to customers, rod stocks were built up in advance of the shut-down period. This caused an escalation in product stock which will be dissipated in the coming months. Copper in concentrate produced was 47 458 tons, a decrease of 31% compared with the same period in 1998. This was attributable to a reduction in the average head grade treated - substantial quantities of low grade stock pile material are being treated as part of the transition to the underground mine. Production of copper cathodes decreased from 47,256 tons to 45,857 tons over the comparable period due to operational difficulties in the smelter. Initiation of caving in the underground project is scheduled for September 2000. This will enable full production to be achieved by November 2002 as planned. The year 2000 compliance project commenced in 1997. The objectives set for completion by the end of June 1999 were largely achieved. The remaining facets of the project are restricted to integrated testing of systems, fine- tuning of continuity plans and further visits to evaluate the likely compliance of our business partners. The company does not anticipate material operational difficulties arising from the transition to the year 2000. No material liabilities are expected. The year 2000 project expenditure to date is R6.02 million. The forecast cost to completion is R7.90 million. Z.W. Ntuli Chairman J.G. Deyzel Managing Director Declaration of Dividend Notice is hereby given that Dividend No. 129 of 30 cents per R1 share, being the second interim dividend for the year ending 31 December 1999, has been declared payable to shareholders registered in the books of the company on 30 July 1999. The dividend is declared payable in the currency of the Republic of South Africa. Dividend warrants will be posted on or about 27 August 1999. The Transfer Books and Register of Members will be closed from 31 July 1999 to 13 August1999, both days inclusive. By order of the Board RIO TINTO MANAGEMENT SERVICES SOUTH AFRICA (PTY) LIMITED Secretaries Per: K LENDRUM Directors: Z.W. Ntuli,(Chairman), J.G. Deyzel (Managing Director), Dr J.W. Campbell, (Alt. R. M. Whyte***), F. Fenwick***, J Gorman***, O.L. Groeneveld**, A.J. Leroy*, R.W. Letten***, M.R. Maruma, M.G. Negota, J.H. Schickler***, T.C.A. Wadeson***, (Alt. A.H. Calver***) *American ** Australian ***British Transfer Secretaries: Registered Office: Computershare Services Ltd. 1 Copper Road 41 Fox Street Phalaborwa Johannesburg 2001 1390 Postal Address : Postal Address : P O Box 61051 P O Box 65 Marshalltown 2107 Phalaborwa 1390

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