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 changes in interests in the Ordinary Shares of
GlaxoSmithKline plc in respect of the under-mentioned persons, arising from the
purchase of Ordinary Shares on 5 January 2006 under a Single Company ISA at a
price of £14.98 per Ordinary Share:


Mr J S Heslop                                                                3



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 Rule 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