Rio Tinto Plc

Rio Tinto Plc is listed on NYSE (RTP). INTRODUCTION Rio Tinto Limited and Rio Tinto plc operate as one business organisation, referred to in this report as Rio Tinto, the Rio Tinto Group or, more simply, the Group. These collective expressions are used for convenience only since both Companies, and the individual companies in which they directly or indirectly own investments, are separate and distinct legal entities. Limited, plc, Pty, Inc, Limitada, or SA have generally been omitted from Group company names, except to distinguish between Rio Tinto plc and Rio Tinto Limited. Rio Tinto 2005 Form 20-F 8 - Back to Contents Financial data in United States dollars (US$) is derived from, and should be read in conjunction with, the 2005 Financial statements which are in US$.

Rio Vista Energy Partners L.P.

Rio Vista Energy Partners L.P. is listed on NASDAQ (RVEP). Rio Vista Energy Partners L.P. (Rio Vista), a Delaware limited partnership, was formed by Penn Octane Corporation (Penn Octane) on July 10, 2003 and was a wholly owned subsidiary of Penn Octane until September 30, 2004, the date that Penn Octane completed a series of transactions involving (i) the transfer of substantially all of its owned pipeline and terminal assets in Brownsville, Texas and Matamoros, Mexico and certain immaterial liabilities (the Assets) to Rio Vista Operating Partnership L.P. (RVOP) (ii) the transfer of its 99.9% interest in RVOP to Rio Vista and (iii) the distribution of all of its limited partnership interests (the Common Units) in Rio Vista to its common stockholders (the Spin-Off), resulting in Rio Vista becoming a separate public company. The Common Units represented 98% of Rio Vistas outstanding capital and 100% of Rio Vistas limited partnership interests.

Sigma Designs Inc. ..any, we, us, and our refer to Sigma Designs, Inc. We specialize in silicon-based digital media processing solutions for consumer products. Our highly-..

Tanger Factory Outlet Centers Inc. ..es, a fully-integrated, self-administered and self-managed real estate investment trust (REIT), focuses exclusively on developing, acquiring, owning, ..

Sharper Image Corporation ..any, The Sharper Image, and it) is a leading specialty retailer of innovative, high quality products that are useful and entertaining and are designed..

Span-America Medical Systems Inc. ..ooking statements that describe anticipated results for Span-America Medical Systems, Inc. (Span-America). These statements are estimates or forecasts..

Greenhill ..m that (i) provides financial advice on significant mergers, acquisitions, restructurings and similar corporate finance matters and (ii) manages merch..

STERLING BANCORP ..rant) is a bank holding company and a financial holding company as defined by the Bank Holding Company Act of 1956, as amended (the BHCA), which was o..

Star Gas Partners L.P. ..ooking statements which represent our expectations or beliefs concerning future events that involve risks and uncertainties, including those associate..

Sunair Services Corporation ..us, we or our) is a Florida corporation organized in 1956. We changed our corporate name from Sunair Electronics, Inc. to Sunair Services Corporation ..

Stanley Furniture Company Inc. ..dential wood furniture exclusively targeted at the upper-medium price range. We offer diversified product lines across all major style and product cat..

Timberland Company (The) ..e on December 20, 1978. We are the successor to the Abington Shoe Company, which was incorporated in Massachusetts in 1933. We refer to The Timberland..

Telephone and Data Systems Inc. ..sified telecommunications service company with wireless telephone and wireline telephone operations. At December 31, 2004, TDS served approximately 6...

Tri-Valley Corporation ..med in 1971, is in the business of exploring, acquiring and developing prospective and producing petroleum, industrial minerals and precious metals pr..

Tollgrade Communications Inc. ..er of hardware and software network assurance testing solutions for the telecommunications and cable broadband industries. We design, engineer, market..

Meridian Resource Corporation (The) .. independent oil and natural gas company that explores for, acquires and develops oil and natural gas properties utilizing 3-D seismic technology. Our..

TEPPCO Partners L.P. ..e limited partnership, is a master limited partnership formed in March 1990. We operate through TE Products Pipeline Company, Limited Partnership (TE ..

TORCHMARK CAPITAL TR I ..lding company, was incorporated in Delaware in 1979, as Liberty National Insurance Holding Company and was renamed Torchmark Corporation in 1982. Its ..

Microvision Inc. ..sion, Inc. (Microvision) and Lumera Corporation (Lumera), a subsidiary that was consolidated prior to July 2004. In July 2004, Lumera completed an ini..

Unica Corporation ..al Report on Form 10-K, which we refer to as this Annual Report, contain forward-looking statements that involve risk and uncertainties. Our actual re..

US DATAWORKS INC ..software, serving several of the top 25 banking institutions, top 10 credit card issuers, major retailers and the United States Government. We generat..

UMB Financial Corporation ..nder Missouri law for the purpose of becoming a bank holding company registered under the Bank Holding Company Act of 1956. In 2001, the Company elect..

United States Cellular Corporation .. provides wireless telephone service to 4,945,000 customers through the operations of 175 majority-owned (consolidated) wireless licenses throughout t..

Virginia Commerce Bancorp ..g business through the Bank, its sole direct operating subsidiary. The Banks customer base includes small-to-medium-sized businesses, including firms ..

Valentis Inc. ..orward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act ..

Vodavi Technology Inc. ..nge of business telecommunications solutions, including traditional, converged, and IP-based telephone systems and telephony applications, as well as ..

Wacoal Holdings Corporation ..lopment of Wacoal. Wacoal Corp. is a joint stock corporation that was incorporated under the Commercial Code of Japan in 1949 with the name Wako Shoji..

W&T Offshore Inc. ..in this Annual Report to W&T, we, us and our refer to W&T Offshore, Inc. and its consolidated subsidiaries. We are an independent oil and natural gas ..

White Electronic Designs Corporation ..oelectronic and display components and systems for inclusion in high technology products for military, industrial and commercial markets. Our microele..

Windrose Medical Properties Trust ..istered and self-managed real estate company, operating as a real estate investment trust (REIT) for federal income tax purposes. The Company invests ..

Wright Medical Group Inc. .. Technology, Inc. and other operating subsidiaries, is a global orthopaedic medical device company specializing in the design, manufacture and marketi..

YM BioSciences Inc. ..s of Ontario on August 17, 1994 and on December 11, 2001 the Corporation continued into the Province of Nova Scotia under the Nova Scotia Companies Ac..

Zygo Corporation ..esigns, develops, and manufactures ultra-high precision measurement solutions to improve our customers manufacturing yields, and optical components an..

ALCON INC ..Inc. was originally incorporated in Switzerland in 1971 as Société Fromagère Nestlé S.A., and, after a change of our name to Alcon Universal S.A. in 1..

American Claims Evaluation Inc. .. in the State of New York and commenced operations in April 1982. The Company provides a full range of vocational rehabilitation and disability manage..

ADA-ES Inc. ..tements within the meaning of Section 27A of the Securities Act of 1933 that involve risks and uncertainties. In particular such forward-looking state..

AES TR III .. operations in 27 countries on five continents. A Delaware corporation formed in 1981, AES is a holding company that, through its subsidiaries, operat..

Allied Irish Banks p.l.c. .. at Bankcentre, Ballsbridge, Dublin 4, Ireland. (Telephone number +353-1-660 0311) Additional statistical information may be found elsewhere as follow..

Apartment Investment and Management Company ..mco, is a Maryland corporation incorporated on January 10, 1994. We are a self-administered and self-managed real estate investment trust, or REIT, en..

Allete Inc. ..segments. REGULATED UTILITY includes retail and wholesale rate regulated electric, water and gas services in northeastern Minnesota and northwestern W..

AMIS Holdings Inc. ..is annual report on Form 10-K contains forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as m..

AMB Property Corporation ..acquires, develops and operates primarily industrial properties in key distribution markets throughout North America, Europe and Asia. We commenced op..

Apache Corporation ..in 1954, is an independent energy company that explores for, develops and produces natural gas, crude oil and natural gas liquids. In North America, o..

Ares Capital Corporation ..r loans and long-term mezzanine debt. First and second lien senior loans generally are senior debt instruments that rank ahead of subordinated debt of..

Arrow Financial Corporation ..a New York corporation, was incorporated on March 21, 1983 and is registered as a bank holding company within the meaning of the Bank Holding Company ..

Ashworth Inc. .. incorporated in Delaware on March 19, 1987. As used in this report, the terms we, us, our, Ashworth and the Company refer to Ashworth, Inc., its pred..

Equity Income Fund First Exchange Series ..AT&T Shares was formed in 1983 as a unit investment trust under New York law and in accordance with the Investment Company Act of 1940 by a trust inde..

Avant Immunotherapeutics Inc. ..fer to AVANT Immunotherapeutics, Inc., a Delaware corporation organized in 1983. We are a biopharmaceutical company that uses novel applications of im..

Aurizon Mines Ltd. ..e name 343318 B.C. Ltd., by filing a memorandum and articles with the Registrar of Companies under the BCCA. On August 10, 1988, Aurizons name was cha..

Baldor Electric Company ..in Missouri in 1920. The Company operates in one industry segment, which includes the design, manufacture, and sale of electric motors, drives, genera..

BE Semiconductor Industries NV .. leading manufacturer of semiconductor die sorting, flip chip and multi-chip die bonding, packaging and plating equipment for both leadframe and array..

Savannah Bancorp Inc. (The) ..Georgia business corporation on October 5, 1989, for the purpose of becoming a bank holding company. The Company became a bank holding company within ..

Boots and Coots International Well Control Inc. ..uston, Texas, provides a suite of integrated oilfield services centered on the prevention, emergency response and restoration of blowouts and well fi..

Bar Harbor Bankshares Inc. .., 1984. As of March 7, 2005, the Company's securities consisted of one class of common stock, par value of $2.00 per share, of which there were 3,076,..

BREMER CAP TR I ..al services company with $6.1 billion in assets as of December 31, 2004, operating 102 offices in Minnesota, Wisconsin and North Dakota. We offer a wi..

Buckeye Partners L.P. ..er limited partnership organized in 1986 under the laws of the state of Delaware. The Partnership's principal line of business is the transportation, ..

Bronco Drilling Company Inc. ..ices to oil and natural gas exploration and production companies. We currently own a fleet of 64 land drilling rigs, of which 41 are currently operati..

Carrington Laboratories Inc. ..ries, Inc. (Carrington) is a research-based biopharmaceutical, medical device, raw materials and nutraceutical company engaged in the development, man..

CCF Holding Company ..rganized in March 1995 at the direction of Clayton County Federal Savings and Loan Association in connection with the Bank's conversion from a mutual ..

Comm Bancorp Inc. ..ted in 1983 as a Pennsylvania business corporation and are headquartered in Clarks Summit, Pennsylvania. We have two wholly-owned subsidiaries, Commun..

Caremark Rx Inc. .. services companies in the United States, with net revenue of approximately $25.8 billion (including approximately $4.6 billion of retail copayments) ..

Cagles Inc. ..s first incorporated in Georgia in 1953, and its wholly owned subsidiary (Cagles Farms, Inc., formerly Strain Poultry Farms, Inc.) produce, market, an..

Charming Shoppes Inc. ..ily focused on plus-size womens apparel through our three distinct brands: LANE BRYANT(R), FASHION BUG(R), and CATHERINES PLUS SIZES(R). During the ye..

Citizens Financial Corporation ..y or the Registrant) was incorporated in Kentucky in 1990 at the direction of the Board of Directors of Citizens Security Life Insurance Company (Citi..

Cisco Systems Inc. ..ons products and provide services associated with that equipment and its use. Our products are installed at corporations, public institutions, telecom..

Cel-Sci Corporation ..ration in 1983. CEL-SCIs principal office is located at 8229 Boone Boulevard, Suite 802, Vienna, VA 22182. CEL-SCIs telephone number is 703-506-9460 a..

Doral Financial Corporation .. diversified financial services company engaged in mortgage banking, banking (including thrift operations), institutional securities operations and in..

Dataram Corporation ..of large capacity memory products primarily used in high performance network servers and workstations. The Company provides customized memory solution..