March 2011

Griffin Mining Ltd (“the Company”) announces that on 29th March 2011 Panmure Gordon purchased 50,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 59p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.03% 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 177,416,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 25th March 2011 Panmure Gordon purchased 100,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 58p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.06% 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 177,466,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 23rd March 2011 Panmure Gordon purchased 100,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 58p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.06% 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 177,566,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 15th March 2011 Panmure Gordon purchased 150,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 62p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. 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 177,666,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 14th March 2011 Panmure Gordon purchased 175,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 64p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.1% 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 177,816,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 11th March 2011 Panmure Gordon purchased 100,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 65p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.06% 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 177,991,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 10th March 2011 Panmure Gordon purchased 100,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 65.25p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.06% 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 178,091,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 9th March 2011 Panmure Gordon purchased 150,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 65.5p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. 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 178,191,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 7th March 2011 Panmure Gordon purchased 150,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 65.5p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. 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 178,341,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.

Griffin Mining Ltd (“the Company”) announces that on 3rd March 2011 Panmure Gordon purchased 100,000 of the Company’s own ordinary shares (“Ordinary Shares”) at an average price of 65.5p per share on behalf of the Company in accordance with the irrevocable and non-discretionary arrangement with Panmure Gordon, as announced on 1st February 2011. The Ordinary Shares have been purchased for cancellation (the “Purchase and Cancellation”).

The purchase represented 0.05% 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 178,491,830 Ordinary Shares in the Company in issue. There are no shares held in treasury.