Griffin to acquire Yukon Zinc Corporation

Yukon Zinc Corporation and Griffin Mining Limited have signed an Agreement whereby Griffin will acquire all of the issued shares of Yukon Zinc through a court-approved plan of arrangement. The shares of Griffin are traded on the Alternative Investment Market of the London Stock Exchange.

Under the terms of the transaction the shareholders of Yukon Zinc will receive one ordinary share of Griffin for every nine common shares of Yukon Zinc held.

This represents a value of C$0.206 per Yukon Zinc share based upon the closing price of the Griffin shares on AIM on April 18, 2008 of 0.9225 of a British Pound Sterling and a Canadian Dollar - British Pound Sterling exchange rate of 0.4984.

This represents a premium of 46.9% to the closing price of the Yukon Zinc shares on the TSX-V on April 18, 2008 and 43.0% premium to the 20 day volume weighted average trading price of the Yukon Zinc shares on the TSX-V.

After completion of the transaction, the shareholders of Yukon Zinc will hold approximately 16% of the issued Griffin shares, with the current Griffin shareholders holding the remaining 84%. It is expected that the transaction will close by July 31, 2008.