Director Declaration

GlaxoSmithKline PLC
06 April 2005



                GlaxoSmithKline plc Executive Director's details



Further to the announcement dated 26 October 2004, the following details for Mr
Julian Heslop are provided in accordance with the requirements of the Financial
Services Authority's Listing Rules on his appointment to the Board of
GlaxoSmithKline plc with effect from 1 April 2005.



Mr Heslop has held no directorships of publicly quoted companies during the past
five years.



Mr Heslop has an interest in 17,547 Ordinary Shares of GlaxoSmithKline plc.  All
of these Ordinary Shares were acquired prior to Mr Heslop taking up his
appointment to the Board of GlaxoSmithKline plc.  Mr Heslop also has an interest
in 365,719 Ordinary Shares arising from the grant of options under the Company's
share option schemes, and 25,500 Ordinary Shares under the Company's Performance
Share Plan, all of which were granted prior to his taking up his appointment as
a director.





Paragraph 6.F.2 (b) to (g) Financial Services Authority's Listing Rules



Mr Heslop has no details to disclose in respect of paragraph 6.F.2 (b) to (g) of
the Financial Services Authority's Listing Rules.







S M Bicknell

Company Secretary

6 April 2005


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