Director/PDMR Shareholding

GlaxoSmithKline PLC
02 October 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 1 Ordinary Share purchased under a
Personal Equity Plan on 1 October 2007 at a price of £13.09 per share.


The Company and the above named individual were advised of this transaction on 2
October 2007.


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


S M Bicknell

Company Secretary

2 October 2007

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