Additional Listing

GlaxoSmithKline PLC
29 December 2003

GlaxoSmithKline plc.

Application has been made to The UK Listing Authority and the London Stock
Exchange for block listings totalling 396,825 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 158,730 shares to be issued under the
GlaxoSmithKline Share Option Plan -Ordinary and 238,095 shares to be issued
under the GlaxoSmithKline Share Option Plan - ADS.




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