Director Declaration

GlaxoSmithKline PLC
05 October 2007



Further to the announcement of Professor Sir Roy Anderson's appointment to the
Board of GlaxoSmithKline plc, the following details are provided in accordance
with the requirements of the Financial Services Authority's Listing Rules on his
appointment with effect 1 October 2007.

Professor Anderson has not been a director of a publicly quoted company during
the past five years.

Professor Anderson does not hold, or have any interests in, any GlaxoSmithKline
plc Ordinary shares or American Depositary Shares.

Professor Anderson has no details to disclose in respect of LR 9.6.13R (2) to
(6) of the Financial Services Authority's Listing Rules.



S M Bicknell
Company Secretary
5 October 2007


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