Glaxo SmithKline Purchases 2.3M of its Shares

GlaxoSmithKline GSK announces that in accordance with the authority granted by shareholders at the Company's Annual General Meeting on 5th May 2011 it purchased 2,300,000 of its Ordinary shares of 25 pence each on 19 August 2011. The highest price paid per share was 1255.5 pence per share. The lowest price paid per share was 1213 pence per share. The shares will be cancelled. Following the cancellation of these shares; the Company holds 502,996,816 of its shares in Treasury, representing 9.00% of the total issued share capital of the Company and 9.89% of the total voting rights. The Company has 5,088,057,071 shares in issue (excluding Treasury shares). This number represents the total voting rights in the Company and may be used by shareholders as the denominator for the calculations by which they can determine if they are required to notify their interest in, or a change to their interest in the Company under the Financial Services Authority's Disclosure and Transparency Rules.