Holding(s) in Company

Rio Tinto PLC 12 July 2006 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) NAME OF COMPANY RIO TINTO PLC 2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST BARCLAYS PLC 3) Please state whether notification indicates that it is regarding the holding of the shareholder named in 2 above; in respect of a non-beneficial interest; or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 AS IN (2) ABOVE 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them. SEE BELOW 5) Number of shares/amount of stock acquired. UNKNOWN 6) Percentage of issued Class UNKNOWN 7) Number of shares/amount of stock disposed - 8) Percentage of issued Class - 9) Class of security ORDINARY SHARES OF 10P 10) Date of transaction UNKNOWN 11) Date listed company informed 12 JULY 2006 12) Total holding following this notification 42,129,019 13) Total percentage holding of issued class following this notification 4.02% 14) Any additional information 15) Name of contact and telephone number for queries MS L BRENNAN - 020 7753 2116 16) Name and signature of duly authorised officer of the listed company responsible for making this notification MR MJ WHYTE Date of Notification .. 12 JULY 2006 Letter to: Rio Tinto PLC Dated: 10 July 2006 Companies Act 1985 ('The Act') - Part VI I hereby inform you that as at 7 July 2006 Barclays PLC, through the legal entitles listed on the attached schedule, has a notifiable interest in the capital of your Company of 4.02%. Details of this interest, together with a breakdown between registered holders (as required by Section 202(3) of the Act), are enclosed. The issued capital of 1,047,248,015 is the latest figure available to us. From: Barclays LEGAL ENTITY REPORT RIO TINTO SEDOL : 0718875 As at 07 July 2006 Barclays PLC, through the legal entities listed below, had a notifiable interest in 42,129,019 ORD GBP0.10 representing 4.02 % of the issued share capital of 1,047,248,015 units. Legal Entity Holding Percentage Held Barclays Global Fund Advisors 3,321,574 .3172 Barclays Life Assurance Co Ltd 1,724,728 .1647 Barclays Private Bank and Trust Ltd 130,174 .0124 Barclays Capital Inc 474,813 .0453 Barclays Global Investors, N.A. 11,951,911 1.1413 Barclays Global Investors Canada Ltd 75,929 .0073 Barclays Bank Trust Company Ltd 284,808 .0272 Barclays Capital Securities Ltd 4,225,606 .4035 Gerrard Ltd 4,560,172 .4354 Barclays Global Investors Australia Ltd 406,750 .0388 Barclays Private Bank and Trust Ltd 6,838 .0007 Barclays Global Investors Ltd 12,946,560 1.2362 Barclays Private Bank Ltd 557,822 .0533 Barclays Global Investors Japan Ltd 267,799 .0256 Barclays Global Investors Japan Trust & Banking 1,193,535 .1140 Group Holding 42,129,019 4.0229 REGISTERED HOLDERS REPORT RIO TINTO SEDOL : 0718875 As at 07 July 2006 Barclays PLC, through the registered holders listed below, had a notifiable interest in 42,129,019 ORD GBP0.10 representing 4.02 % of the issued share capital of 1,047,248,015 units. Registered Holder Account Designation Holding BANK OF IRELAND 426360 9,349 BANK OF NEW YORK 74,970 BARCLAYS CAPITAL NOMINEES LIMITED 14,221 BARCLAYS CAPITAL NOMINEES LIMITED 2,258,153 BARCLAYS CAPITAL NOMINEES LIMITED 909,177 Barclays Capital Securities Ltd. 428,400 Barclays Capital Securities Ltd. 32,192 Barclays Capital Securities Ltd. 1,026,256 Barclays Capital Securities Ltd. 32,020 Barclays Global Investors Canada 75,929 Barclays Trust Co & Others 26,486 BARCLAYS TRUST CO AS EXEC/ADM C 000000000000000000 2,989 Barclays Trust Co DMC69 C 000000000000000000 18,360 Barclays Trust Co E99 C 000000000000000000 3,162 Barclays Trust Co R69 C 000000000000000000 233,811 BNP PARIBAS 49,081 CHASE NOMINEES LTD 16376 519,017 CHASE NOMINEES LTD 20947 3,499,065 CHASE NOMINEES LTD 28270 59,231 CHASE NOMINEES LTD 28270 341,505 CIBC MELLON GLOBAL SECURITIES 38,059 Clydesdale Nominees HGB0125 00032349601 1,058 Clydesdale Nominees HGB0125 00032419001 1,000 Clydesdale Nominees HGB0125 00032449201 2,621 Clydesdale Nominees HGB0125 00032476001 304 Clydesdale Nominees HGB0125 00032479401 397 Clydesdale Nominees HGB0125 00049775301 699 Clydesdale Nominees HGB0125 00059396501 421 Clydesdale Nominees HGB0125 00059419801 88 Clydesdale Nominees HGB0125 00059441401 1,200 Clydesdale Nominees HGB0125 00059553401 665 Clydesdale Nominees HGB0125 00059571201 312 Clydesdale Nominees HGB0125 00059595001 285 Clydesdale Nominees HGB0125 00059710301 296 Clydesdale Nominees HGB0125 00059721901 444 Clydesdale Nominees HGB0125 00059732401 769 Clydesdale Nominees HGB0125 00059737501 937 Clydesdale Nominees HGB0125 00059738301 1,215 Clydesdale Nominees HGB0125 00059744801 595 Clydesdale Nominees HGB0125 00064544201 837 Clydesdale Nominees HGB0125 00065136101 331 Clydesdale Nominees HGB0125 00066860401 279 Clydesdale Nominees HGB0125 00067940101 4,422 Clydesdale Nominees HGB0125 00069108801 493 Clydesdale Nominees HGB0125 00069238601 1,163 Clydesdale Nominees HGB0125 00069296301 3,214 Clydesdale Nominees HGB0125 00069301301 5,261 Clydesdale Nominees HGB0125 00069334001 431 Clydesdale Nominees HGB0125 00069339001 408 Clydesdale Nominees HGB0125 00069340401 372 Clydesdale Nominees HGB0125 00069355201 2,500 Clydesdale Nominees HGB0125 00069372201 523 Clydesdale Nominees HGB0125 00069379001 296 Clydesdale Nominees HGB0125 00069390001 1,193 Clydesdale Nominees HGB0125 00069447801 3,300 Clydesdale Nominees HGB0125 00069461301 576 Clydesdale Nominees HGB0125 00069464801 267 Clydesdale Nominees HGB0125 00069476101 449 Clydesdale Nominees HGB0125 00069491501 438 Clydesdale Nominees HGB0125 00069612801 242 Clydesdale Nominees HGB0125 00069613601 411 Clydesdale Nominees HGB0125 00069614401 417 Clydesdale Nominees HGB0125 00069720501 1,750 Clydesdale Nominees HGB0125 00069721301 1,750 Clydesdale Nominees HGB0125 00069732901 2,869 Clydesdale Nominees HGB0125 00069738801 221 Clydesdale Nominees HGB0125 00069745001 3,900 Clydesdale Nominees HGB0125 00069751501 1,750 Clydesdale Nominees HGB0125 00069771001 12,500 Clydesdale Nominees HGB0125 00069772801 12,500 Clydesdale Nominees HGB0125 00069803101 1,270 Clydesdale Nominees HGB0125 00069829501 531 Clydesdale Nominees HGB0125 00070295001 334 Clydesdale Nominees HGB0125 00070314001 305 Clydesdale Nominees HGB0125 00070325601 716 Clydesdale Nominees HGB0125 00070331001 322 Clydesdale Nominees HGB0125 00070335301 640 Clydesdale Nominees HGB0125 00070336101 269 Clydesdale Nominees HGB0125 00070339601 407 Clydesdale Nominees HGB0125 00070343401 181 Clydesdale Nominees HGB0125 00070381701 696 Clydesdale Nominees HGB0125 00070387601 301 Clydesdale Nominees HGB0125 00070388401 436 Clydesdale Nominees HGB0125 00070391401 268 Clydesdale Nominees HGB0125 00070403101 1,677 Clydesdale Nominees HGB0125 00070404001 452 Clydesdale Nominees HGB0125 00080750701 1,791 Clydesdale Nominees HGB0125 00080766301 403 Clydesdale Nominees HGB0125 00083011801 449 Clydesdale Nominees HGB0125 00086680501 459 Clydesdale Nominees HGB0125 00088608301 364 Clydesdale Nominees HGB0125 00088736501 430 Clydesdale Nominees HGB0125 00110014401 872 Clydesdale Nominees HGB0125 00120010601 2,050 Clydesdale Nominees HGB0125 00120142001 10,000 Clydesdale Nominees HGB0125 00300000001 417 Clydesdale Nominees HGB0125 00310007101 811 Clydesdale Nominees HGB0125 00310042001 350 Clydesdale Nominees HGB0125 00310070501 206 Clydesdale Nominees HGB0125 00310092601 1,112 Clydesdale Nominees HGB0125 00310128001 546 Clydesdale Nominees HGB0125 00310150701 236 Clydesdale Nominees HGB0125 00310186801 352 Clydesdale Nominees HGB0125 00310205801 297 Clydesdale Nominees HGB0125 00310230901 454 Clydesdale Nominees HGB0125 00310231701 345 Clydesdale Nominees HGB0125 00310246501 4,085 Clydesdale Nominees HGB0125 00310254601 500 Clydesdale Nominees HGB0125 00310255401 3,541 Clydesdale Nominees HGB0125 00310266001 230 Clydesdale Nominees HGB0125 00310311901 307 Clydesdale Nominees HGB0125 00310589801 219 Clydesdale Nominees HGB0125 00310590101 149 Clydesdale Nominees HGB0125 00310594401 338 Clydesdale Nominees HGB0125 00700009301 452 Clydesdale Nominees HGB0125 00700066201 373 Clydesdale Nominees HGB0125 00700083201 291 Clydesdale Nominees HGB0125 00700106501 376 Clydesdale Nominees HGB0125 00700235501 323 Clydesdale Nominees HGB0225 00043684302 540 Clydesdale Nominees HGB0225 00048322102 2,293 Clydesdale Nominees HGB0225 00048401502 361 Clydesdale Nominees HGB0225 00059579802 588 Clydesdale Nominees HGB0225 00067355102 500 Clydesdale Nominees HGB0225 00069334002 166 Clydesdale Nominees HGB0225 00070160102 765 Clydesdale Nominees HGB0225 00070383302 1,728 Clydesdale Nominees HGB0225 00087093402 612 Clydesdale Nominees HGB0225 00700022002 277 Clydesdale Nominees HGB0225 00700207002 1,490 Clydesdale Nominees HGB0325 00070309403 340 Clydesdale Nominees HGB0325 00087093403 212 Gerrard Nominees Limited 602133 331 Gerrard Nominees Limited 602698 175 Gerrard Nominees Limited 603216 300 Gerrard Nominees Limited 608459 125 Gerrard Nominees Limited 611717 1,875 Gerrard Nominees Limited 615411 500 Gerrard Nominees Limited 621942 270 Gerrard Nominees Limited 622124 1,150 Gerrard Nominees Limited 629038 175 Gerrard Nominees Limited 630871 250 Gerrard Nominees Limited 631118 3,150 Gerrard Nominees Limited 640824 1,200 Gerrard Nominees Limited 642686 75 Gerrard Nominees Limited 643975 1,450 Gerrard Nominees Limited 652198 2,300 Gerrard Nominees Limited 654151 300 Gerrard Nominees Limited 659442 525 Gerrard Nominees Limited 659792 200 Gerrard Nominees Limited 660137 480 Gerrard Nominees Limited 660302 700 Gerrard Nominees Limited 660318 12,750 Gerrard Nominees Limited 660632 660 Gerrard Nominees Limited 660758 3,750 Gerrard Nominees Limited 660851 2,400 Gerrard Nominees Limited 660968 1,610 Gerrard Nominees Limited 768557 3,650 Gerrard Nominees Limited 770101 6,600 Gerrard Nominees Limited 774160 450 Gerrard Nominees Limited 781271 1,850 Greig Middleton Nominees Limited (GMl) 276,590 Greig Middleton Nominees Ltd (GM3) 126066DA 800 Greig Middleton Nominees Ltd (GM3) 220805DN 56,545 Greig Middleton Nominees Ltd (GM3) 523475DN 75,000 INVESTORS BANK AND TRUST CO. 5,399,412 INVESTORS BANK AND TRUST CO. 64,917 INVESTORS BANK AND TRUST CO. 792,349 INVESTORS BANK AND TRUST CO. 1,852,322 INVESTORS BANK AND TRUST CO. 180,527 INVESTORS BANK AND TRUST CO. 1,063,772 INVESTORS BANK AND TRUST CO. 298,927 INVESTORS BANK AND TRUST CO. 257,312 INVESTORS BANK AND TRUST CO. 63,329 INVESTORS BANK AND TRUST CO. 98,189 INVESTORS BANK AND TRUST CO. 16,738 INVESTORS BANK AND TRUST CO. 8,370 INVESTORS BANK AND TRUST CO. 5,313 INVESTORS BANK AND TRUST CO. 4,405 INVESTORS BANK AND TRUST CO. 119,478 INVESTORS BANK AND TRUST CO. 328,454 INVESTORS BANK AND TRUST CO. 2,677,568 INVESTORS BANK AND TRUST CO. 45,840 INVESTORS BANK AND TRUST CO. 30,061 INVESTORS BANK AND TRUST CO. 239,651 JP MORGAN (BGI CUSTODY) 16331 264,124 JP MORGAN (BGI CUSTODY) 16338 63,754 JP MORGAN (BGI CUSTODY) 16341 136,422 JP MORGAN (BGI CUSTODY) 16341 587,260 JP MORGAN (BGI CUSTODY) 16342 135,292 JP MORGAN (BGI CUSTODY) 16344 45,819 JP MORGAN (BGI CUSTODY) 16345 73,092 JP MORGAN (BGI CUSTODY) 16400 8,873,950 JP MORGAN (BGI CUSTODY) 17011 18,229 JP MORGAN (BGI CUSTODY) 18408 45,179 JPMORGAN CHASE BANK 34,671 JPMorgan Chase Bank 61,309 JPMorgan Chase Bank 64,590 JPMorgan Chase Bank 5,124 JPMorgan Chase Bank 10,841 JPMorgan Chase Bank 72,892 JPMorgan Chase Bank 18,107 JPMorgan Chase Bank 3,826 JPMorgan Chase Bank 304 JPMorgan Chase Bank 113,817 JPMorgan Chase Bank 143,033 JPMorgan Chase Bank 104,000 JPMorgan Chase Bank 153,413 JPMorgan Chase Bank 575,989 JPMorgan Chase Bank 54,621 JPMorgan Chase Bank 29,184 JPMorgan Chase Bank 8,706 JPMorgan Chase Bank 10,217 JPMorgan Chase Bank 555 JPMORGAN CHASE BANK 95,188 JPMORGAN CHASE BANK 311,562 Master Trust Bank 1,557 Mellon Trust - US CUSTODIAN / 42,533 Mellon Trust - US CUSTODIAN / 84,388 MELLON TRUST OF NEW ENGLAND 50,083 Mitsubishi Trust International 888 Mitsui Asset 17,419 NORTHERN TRUST BANK - BGI SEPA 106,540 NORTHERN TRUST BANK - BGI SEPA 129,197 NORTHERN TRUST BANK - BGI SEPA 27,255 R C Greig Nominees Limited 2,676,282 R C Greig Nominees Limited a/c AK1 926,689 R C Greig Nominees Limited a/c BL1 125,172 R C Greig Nominees Limited a/c CM1 75,470 R C Greig Nominees Limited GP1 200,690 R C Greig Nominees Limited SA1 97,683 Reflex Nominees Limited 4,683 Reflex Nominees Limited 2,155 STATE STREET BANK & TRUST - WI 92,922 STATE STREET BANK AND TRUST CO 217,862 STATE STREET BANK AND TRUST CO 84,700 STATE STREET BOSTON 546,537 STATE STREET TRUST OF CANADA - 86,415 The Northern Trust Company - U 61,338 Trust & Custody Services Bank 10,320 Trust & Custody Services Bank 622 ZEBAN NOMINEES LIMITED 557,822 Total 42,129,019 This information is provided by RNS The company news service from the London Stock Exchange

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Rio Tinto (RIO)
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