Exercise of Warrants of Adex Mining Inc.

TORONTO, ONTARIO--(Marketwire - May 17, 2011) - Great Harvest Canadian Investment Company Limited ("Great Harvest") has today acquired 40,000,000 additional common shares of Adex Mining Inc. ("Adex") upon the exercise of the Series A common share purchase warrants (the "warrants") that were issued to Great Harvest as part of a private placement of units on October 19, 2010. The exercise price of the warrants was $0.18 per share, resulting in the payment of $7,200,000 to Adex.

Prior to the exercise of the warrants, Adex owned 40,000,000 common shares of Adex, representing 29.2% of the outstanding common shares. After the exercise of the warrants, Great Harvest owns 80,000,000 common shares of Adex, representing 45.1% of the outstanding common shares.

Great Harvest acquired the common shares upon exercise of the warrants for investment purposes. Great Harvest may increase or reduce its investment in Adex according to market conditions or other relevant factors, and has a right to acquire up to an additional 60,000,000 common shares under certain circumstances as previously disclosed, subject to the prior approval of the TSX Venture Exchange.