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 4 November 2009 following the reinvestment of dividends, on shares held within an ISA at a price of £12.19 per Ordinary share:

Mr A P Witty	13
Mr J S Heslop	7
Mr S M Bicknell	49
Mr E J Gray	6
Mr D S Redfern	6

The Company and the above named persons were advised of this information on 5 November 2009.

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

S M Bicknell

Company Secretary

5 November 2009

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