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Guyana Goldfields Inc.

03:45 PM EST - Guyana Goldfields Inc. : announced that the Company is on schedule to deliver a revised resource estimate for the Aurora Gold Project by the end of June and has also made additions to the Aurora Bankable Feasibility Study ("BFS") Project Team. Guyana Goldfields is on-track to publish by the end of this month an updated resource estimate for the Aurora Gold Project which will include an additional 171 drill holes totaling 56,336.52 metres completed from May 31, 2011 up to the end of April 30, 2012. The revised estimate will update and improve the geological model, upgrade inferred ounces to the measured & indicated categories, and provide guidance on depth extensions from previously defined mineralized structures. The Aurora Gold Project currently has 5.71 million ounces in the measured & indicated categories (47.040 million tonnes at a grade of 3.83 g/t) and 1.17 million ounces in the inferred category (9.97 million tonnes at a grade of 3.63 g/t). Guyana Goldfields Inc. shares T.GUY are trading up $0.22 at $2.39.