Griffin Mining Limited (“Griffin” or the “Company”) has been notified of the exercise of share purchase options over 133,334 new ordinary shares in Griffin at an exercise price of 20 pence per share. These options were granted in October 2008 as part of the grant of options to key employees.

Application has today been made for the new ordinary shares issued on the exercise of the aforementioned options to be admitted to trading on AIM, which is expected to occur on 18th January 2011. The new ordinary shares rank pari passu in all respects with the existing ordinary shares. Following the issue of these new ordinary shares there will be 180,091,830 Griffin ordinary shares in issue.