News Release

SPOKANE, Wash -- March 18, 2004 -- Mines Management, Inc. (OTC Bulletin Board: MNMM) is pleased to announce that it has received approval of its application to list its shares on the American Stock Exchange (Amex). The company’s shares are expected to begin trading on Wednesday, March 24th, under the ticker symbol “MGN”.

The company’s President and CEO, Glenn M. Dobbs, stated, “Mines Management’s listing on the American Stock Exchange is indicative of the high level of support the company receives in the market, and will provide enhanced investment opportunities and liquidity for investors, investment professionals and institutions. The listing is part of the company’s long term strategic plan to add shareholder value as it advances development of the Montanore silver-copper project.”

Mines Management, Inc. is a U.S. based mineral development company focused on the exploration and development of silver dominant deposits. The 2002 acquisition of the Montanore silver-copper project, containing 260 million ounces of silver and 2 billion pounds of copper, places the Company in the top tier of silver companies in the world. The company has over $7 million in cash and investments, and no long term debt.

This release contains certain forward-looking statements within the meaning of the Federal Securities Laws. Such statements are based on assumptions that the Company believes are reasonable but which are subject to a wide range of uncertainties and business risks. Factors that could cause actual results to differ from those anticipated are discussed in the Company’s periodic filings with the Securities and Exchange Commission, including its annual report on Form 10-KSB for the year ended December 31, 2003.

Further information about Mines Management, Inc. can be reviewed on the website for the Securities and Exchange Commission at www.sec.gov or on the company's website at www.minesmanagement.com.

Contact:

     Douglas Dobbs
     Director, Corporate Development & Investor Relations

     Mines Management, Inc.
     Douglas Dobbs, 509/838-6050
     fax: 509/838-0486
     email: info@minesmanagement.com
     website: www.minesmanagement.com



Mines Management Receives Approval for Trading on American Stock Exchange Thursday, March 18, 2004
Press Release
SPOKANE, Wash -- March 18, 2004 -- Mines Management, Inc. (OTC Bulletin Board: MNMM) is pleased to announce that it has received approval of its application to list its shares on the American Stock Exchange (Amex). The company’s shares are expected to begin trading on Wednesday, March 24th, under the ticker symbol “MGN”. The company’s President and CEO, Glenn M. Dobbs, stated, “Mines Management’s listing on the American Stock Exchange is indicative of the high level of support the company receives in the market, and will provide enhanced investment opportunities and liquidity for investors, investment professionals and institutions. The listing is part of the company’s long term strategic plan to add shareholder value as it advances development of the Montanore silver-copper project.” Mines Management, Inc. is a U.S. based mineral development company focused on the exploration and development of silver dominant deposits. The 2002 acquisition of the Montanore silver-copper project, containing 260 million ounces of silver and 2 billion pounds of copper, places the Company in the top tier of silver companies in the world. The company has over $7 million in cash and investments, and no long term debt. This release contains certain forward-looking statements within the meaning of the Federal Securities Laws. Such statements are based on assumptions that the Company believes are reasonable but which are subject to a wide range of uncertainties and business risks. Factors that could cause actual results to differ from those anticipated are discussed in the Company’s periodic filings with the Securities and Exchange Commission, including its annual report on Form 10-KSB for the year ended December 31, 2003. Further information about Mines Management, Inc. can be reviewed on the website for the Securities and Exchange Commission at www.sec.gov or on the company's website at www.minesmanagement.com. Contact: Douglas Dobbs Director, Corporate Development & Investor Relations Mines Management, Inc. Douglas Dobbs, 509/838-6050 fax: 509/838-0486 email: info@minesmanagement.com website: www.minesmanagement.com Source: Mines Management, Inc.