Director/PDMR Shareholding

GlaxoSmithKline PLC
09 January 2006






   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 £14.976 per Ordinary Share, following the re-investment of
the dividend paid to shareholders on 5 January 2006.


Mr R Bondy                                                 160
Mr J Heslop                                                108
Mrs C Witty                                                215
Mrs C Pulman                                               11
Dr D Pulman                                                57





The Company and the above named persons were advised of this information on 6
January 2006.



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





S M Bicknell
Company Secretary



9 January 2006


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