Transaction in Own Shares

GlaxoSmithKline PLC
05 May 2004




                              GlaxoSmithKline PLC


GlaxoSmithKline PLC announces that in accordance with the authority granted by
shareholders at the Annual General meeting on 19th May 2003 it purchased for
cancellation 840,000 of its Ordinary 25 pence shares on Wednesday 5th May 2004
at a price of 1190.54 pence per share.


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