Additional Listing

GlaxoSmithKline PLC
25 August 2005


Application has been made to the UK Listing Authority and the London Stock
Exchange for block listings totalling 2,550,000 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 pari passu with the existing issued shares of
the Company.

The block listings consist of 1,995,277 shares to be issued under the
GlaxoSmithKline Share Option Plan and 554,723 shares to be issued under the
Glaxo Group Share Option Scheme.


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