Director/PDMR Shareholding

GlaxoSmithKline PLC
08 December 2006




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


I give below details of changes in the interests of Directors, Persons
Discharging Managerial Responsibility or Connected Persons in the Ordinary
Shares of GlaxoSmithKline plc.


Mr A P Witty    The transfer by gift of 415 Ordinary shares in 
                GlaxoSmithKline plc on 7 December 2006.


The Company was advised of this transaction on 7 December 2006.


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


S M Bicknell

Company Secretary


8 December 2006


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