Director/PDMR Shareholding

GlaxoSmithKline PLC
12 July 2005



   Notification of Transactions of Directors, Persons Discharging Managerial
                      Responsibility or Connected Persons





I give below details of an increase in interests in the Ordinary Shares of
GlaxoSmithKline plc in respect of the personal holdings of the under-mentioned
persons at a price of £13.521534 per Ordinary Share, following the re-investment
of the dividend paid to shareholders on 7 July 2005.




Mr R Bondy                                                 217

Mrs C Pulman                                               11

Dr D Pulman                                                62

Mr A Witty                                                 26

Mrs C Witty                                                235





The Company and the above named persons were advised of this information on 12
July 2005.



This notification relates to a transaction notified in accordance with
Disclosure Rule 3.1.4R(1)(a).






S M Bicknell

Company Secretary



12 July 2005






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