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

Following a re-valuation of the cash element of the notional investment held within the US Retirement Savings Plan ("The Plan"), which is notionally held in GSK Ordinary share ADRs, the Administrators of the Plan notified GlaxoSmithKline plc and the under-mentioned persons on 9 November 2009 of an increase in the notional allocation of Ordinary share ADRs on 5 November 2009 at a price of $40.46 per ADR:-

Dr M M Slaoui	5
Mrs C Bruck Slaoui	1
Mr E J Gray	19
Mr W C Louv	11
Dr D Pulman	22

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

S M Bicknell

Company Secretary

9 November 2009

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