Griffin Mining Limited ("Griffin" or the "Company") has been notified of the exercise of share purchase options over 133,333 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 4th December 2009. Following the issue of these new ordinary shares there will be 181,688,497 Griffin ordinary shares in issue.