Griffin Mining Ltd (“the Company”) announces that on 19th January 2011 it purchased 150,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 66.67p per share. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.08% of the Company’s issued share capital before the Purchase and Cancellation and was pursuant to the byelaws of the Company and a resolution passed by the directors.

Following the cancellation of these Ordinary Shares there will be 179,816,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.