MacDonald Mines Exploration Update, Including Assays, from Summer Program on its VMS and Nickel Targets in James Bay Lowlands

(Toronto, ON, Canada, August 25, 2010) - MacDonald Mines Exploration Ltd. (TSX.V: BMK) (“MacDonald” or the “Company”) is pleased to provide assays from its summer exploration program, which provided higher grades and greater widths of both copper and zinc than intersected in previous drilling.

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