Transaction in Own Shares

AMINO TECHNOLOGIES PLC

("Amino" or the "Company")

Transaction in Own Shares

The Company announces the purchase of 2,844,857 of its ordinary shares at 42 pence per share on 19 August 2011. The purchased shares will all be held as treasury shares.

Following the above purchase, the Company holds 2,844,857 ordinary shares in Treasury and has a total of 55,048,195 ordinary shares in issue (excluding shares held in Treasury). The number of ordinary shares purchased represents approximately 4.9% of the voting rights attributable to the total ordinary shares in issue prior to such purchase.

The above figure of 55,048,195 ordinary shares may be used by shareholders in the Company as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in their interest in, the share capital of the Company under the FSA's Disclosure and Transparency Rules.

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