Director/PDMR Shareholding

GlaxoSmithKline PLC
11 January 2007



   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 person:


Mr R Bondy acquired a beneficial interest in 2 Ordinary Shares purchased under a
Personal Equity Plan on 9 January 2007 at £13.61.


The Company and the above named individual were advised of these transactions on
10 January 2007.


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



S M Bicknell
Company Secretary



11 January 2007


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