Additional Listing

GlaxoSmithKline PLC
11 September 2007


GlaxoSmithKline PLC

11 September 2007

Application has been made to the UK Listing Authority and the London Stock
Exchange for block listings totalling 35,000,000 Ordinary shares of 25p each to
trade on the London Stock Exchange and to be admitted to the Official List upon
issuance. The shares shall rank equally with the existing issued shares of the
Company.

The block listings consist of 30,000,000 shares to be issued under the
GlaxoSmithKline Share Option Plan - ADS, and 5,000,000 shares to be issued under
the GlaxoSmithKline Share Option Plan - Ordinary shares.


                      This information is provided by RNS
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