Total Voting Rights

GlaxoSmithKline PLC 13 March 2007 Total Voting Rights and Capital as at 28 February 2007 In conformity with the Disclosure and Transparency Rules 5.6.1R, GlaxoSmithKline plc ("the Company") hereby notifies the market of the following: The Company's issued share capital as at 28 February 2007 consists of 6,009,165,189 Ordinary shares of 25p each with voting rights, of which 257,482,678 Ordinary shares are held in Treasury. Therefore, the total number of voting rights in the Company is 5,751,682,511. This figure may be used by shareholders as the denominator for the calculations by which they will 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. S M Bicknell Company Secretary 13 March 2007 This information is provided by RNS The company news service from the London Stock Exchange

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