Transaction in Own Shares

GlaxoSmithKline PLC
16 December 2003



                              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 1,150,000 of its Ordinary 25 pence shares on Tuesday 16th December
2003 at a price of 1272.7 pence per share.



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