VANCOUVER, BRITISH COLUMBIA -- (Marketwired) -- 05/30/13 -- IMPACT Silver Corp. (TSX VENTURE: IPT) ("IMPACT" or "the Company") announces, subject to regulatory approval, the extension of the exercise period to January 6, 2019 from January 6, 2014 of options granted on January 6, 2009 exercisable for 1,310,000 shares of the Company to various
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