Additional Listing

GlaxoSmithKline PLC
29 March 2004




GlaxoSmithKline plc.



Application has been made to The UK Listing Authority and the London Stock
Exchange for block listings totalling 185,185 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 100,000 shares to be issued under the
GlaxoSmithKline Savings Related Share Option Scheme, 42,593 shares under the
GlaxoSmithKline Share Option Plan-ADS and 42,592 shares to be issued under the
SmithKline Beecham 1989 Executive Share Option Plan-Unapproved-Ordinary shares.



Copies of this announcement are available from the office of Cazenove & Co. Ltd
for the period of 2 business days from the date hereof.




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