Director/PDMR Shareholding

GlaxoSmithKline PLC
01 July 2005





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



I give below details of changes in the directors' interests in the Ordinary
Shares and American Depository Shares (ADSs) of GlaxoSmithKline plc.



On 1 July 2005, the following non-executive Directors were provisionally
allocated the following awards over Ordinary Shares and ADSs in the Company
under the share allocation arrangements for non-executive Directors for the
period of service from 1 April to 30 June 2005, as listed below.


Non Executive Director                     Ordinary Shares        American Depository Shares
                                                                             (ADS)
Sir Christopher Gent                           1,858.74
Mr Lawrence Culp                                                            745.46
Sir Crispin Davis                              1,486.99
Sir Deryck Maughan                                                          745.46
Sir Ian Prosser                                1,022.30
Dr Ronaldo Schmitz                              669.14
Dr Lucy Shapiro                                                             186.36
Sir Robert Wilson                               464.68



The Company and the directors were informed of these allocations on 1 July 2005.



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



S M Bicknell

Company Secretary

1 July 2005


                      This information is provided by RNS
            The company news service from the London Stock Exchange