Toronto, Ontario �June 19, 2008; MacDonald Mines Exploration Ltd. (TSXV:BMK) (�MacDonald� or the �Company�) is pleased to announce that it has been selected as one of the 2008 TSX Venture 50 Companies.  The TSX Venture 50 are the top 10 companies in each of five major industry sectors (mining, oil & gas, technology & life sciences, diversified industries and clean-tech), based on a ranking formula that includes revenue, return on investment, market cap growth, and trading volume.

�We are very pleased to be recognized as part of the TSX Venture 50," said Kirk McKinnon, President and CEO. "With over 2,100 companies listed on the TSX Venture Exchange we are extremely proud to be included in this ranking amongst quality companies . To be recognized amongst our peers as one of the top 10 companies in our sector truly demonstrates the accomplishment of our Company and the hard work and determination of the entire MacDonald Mines team over the five years that we have been a actively exploring in the James Bay Lowlands of Northern Ontario" .

"We look forward to another year of active exploration, corporate growth and success for our shareholders as we continue to acquire and develop key assets, and maximize the potential for return on those assets. On behalf of the Company and our shareholders, we thank the TSX Venture Exchange for its recognition of MacDonald Mines Exploration."

About the Company

MacDonald Mines is a base-metals exploration company headquartered in Toronto, Ontario,  Canada. The Company currently operates in the James Bay Lowlands of Northern Ontario, and has amassed a land position of over 88,000 hectares in the Sachigo Greenstone Belt, a.k.a �Ring of Fire� area. The Company's common shares trade on the TSX Venture Exchange under the symbol �BMK�

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For further information please contact:

Brent Nykoliation, Director of Business Development
MacDonald Mines Exploration Ltd., 416.364.7024
 or 
J. Kirk McKinnon, President & CEO
MacDonald Mines Exploration Ltd

Richard Schler, Vice President and CFO
MacDonald Mines Exploration Ltd

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this press release.

Forward Looking Statements:

The 2008 TSX Venture 50TM was compiled based on public historical data and is not an invitation to purchase securities listed on Toronto Stock Exchange and/or TSX Venture Exchange. TSX Group Inc. and its affiliates do not endorse or recommend any securities referenced in this ranking. Neither TSX Group Inc. nor its affiliated companies represent, warrant or guarantee the accuracy or the completeness of the information. You should not rely on the information contained in this news release for any trading, business or financial purposes. TSX Group Inc. and its affiliates assume no liability for any errors or inaccuracies in this news release or any use or reliance upon this information.