CDE Coeur Mining Inc

Coeur Reports San Bartolome Project Update COEUR d'ALENE, Idaho, Sept. 3 /PRNewswire-FirstCall/ -- Coeur d'Alene Mines Corporation (NYSE:CDE) announced today that, based on work completed to date by the independent engineer at San Bartolome, the Company estimates capital expenditures at San Bartolome to be approximately US $105 million and anticipates operating costs of approximately US $3.55 per ounce of silver. Coeur has filed an updated technical report in Canada that includes these estimates. Coeur d'Alene Mines Corporation is the world's largest primary silver producer, as well as a significant, low-cost producer of gold. The Company has mining interests in Nevada, Idaho, Alaska, Argentina, Chile and Bolivia. CONTACT: Tony Ebersole, Director of Investor Relations +1-800-523-1535 Cautionary Statement Gregory Blaylock is the qualified person who verified the scientific and technical data disclosed herein, pursuant to the requirements of Canadian National Instrument 43-101. Reference is made to the San Bartolome technical report filed on SEDAR (http://www.sedar.com/) for additional information in respect of the mineral reserve and mineral resource estimates for this property, including pricing assumptions, cut-off grades and other parameters, assumptions and methods used to prepare the estimates. Investors are urged to consider closely the disclosure in our Form 10-K for the year ended December 31, 2003 and Form 10-Q for the quarter ended March 31, 2004, which disclosure has not been amended or superseded by the Canadian information set forth above. You can review and obtain copies of that filing from the SEC website at http://www.sec.gov/edgar.html. This document contains forward-looking statements relating to the Company's mining business. In addition, Coeur has proposed to enter into a business combination transaction with Wheaton River Minerals Ltd. The United States Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for certain forward-looking statements. All forward-looking statements, other than those relating to the proposed offer to purchase Wheaton common shares, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and are made subject to the safe harbors provided therein. Such forward-looking statements include the statements above as to the initial capital costs and per ounce operating costs. Such statements are subject to numerous assumptions and uncertainties, many of which are outside the Company's control. These include assumptions with respect to future revenues, expected mining program performance and cash flows and the outcome of contingencies. Operating, exploration and financial data, and other statements in this document are based on information the Company believes is reasonable, but involve significant uncertainties as to future silver prices, costs, ore grades, estimation of silver reserves, mining and processing conditions, the completion and/or updating of mining feasibility studies, changes that could result from the Company's future acquisition of new mining properties or businesses, the risks and hazards inherent in the mining business (including environmental hazards, industrial accidents, weather or geologically related conditions), regulatory and permitting matters, risks inherent in the ownership and operation of, or investment in, mining properties or businesses in foreign countries, as well as other uncertainties and risk factors set out in the Company's filings from time to time with the SEC, including, without limitation, the Company's reports on Form 10-K and Form 10-Q. Actual results and timetables could vary significantly from the estimates presented. Readers are cautioned not to put undue reliance on forward-looking statements. The Company disclaims any intent or obligation to update publicly these forward-looking statements, whether as a result of new information, future events or otherwise. This communication is neither an offer to purchase nor a solicitation of an offer to sell shares of Wheaton River or Coeur. Coeur's offer to purchase is being made to Wheaton River shareholders only pursuant to tender offer material as required by applicable law. This communication also is not a solicitation of proxies from any securities holder of Coeur or Wheaton River. Coeur has filed with the U.S. Securities and Exchange Commission a Registration Statement on Form S-4 and a Schedule TO and has filed the offer materials mailed to shareholders of Wheaton River in Canada with Canadian securities regulators. Coeur also has filed a registration statement on Form S-4 which contains a combined proxy statement/prospectus relating to the special meeting of Coeur shareholders described in this press release. YOU ARE URGED TO READ THE REGISTRATION STATEMENT, THE SCHEDULE TO, THE OFFER AND CIRCULAR MAILED TO CANADIAN SHAREHOLDERS AND ANY OTHER RELEVANT DOCUMENTS, INCLUDING PROXY MATERIALS, FILED WITH THE SEC AND CANADIAN SECURITIES REGULATORY AUTHORITIES, BECAUSE THEY CONTAIN IMPORTANT INFORMATION. You can obtain such materials, and any amendments and supplements thereto without charge at the SEC's website, http://www.sec.gov/ (for materials filed with the SEC) and on SEDAR, http://www.sedar.com/ (for materials filed with Canadian securities regulators). In addition, you may obtain offer materials and any related proxy materials and the other documents filed by Coeur with the SEC and the Canadian securities regulators by requesting them in writing from, 400 Coeur d'Alene Mines Building, 505 Front Avenue, Coeur d'Alene, Idaho 83814, Attn: Investor Relations, tel: (208) 667-3511. DATASOURCE: Coeur d'Alene Mines Corporation CONTACT: Tony Ebersole, Director of Investor Relations of Coeur d'Alene Mines Corporation, +1-800-523-1535

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