Director/PDMR Shareholding

RNS Number : 8468X

GlaxoSmithKline PLC

21 February 2012

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

I give below details of changes in the interests of the connected person of a Person Discharging Managerial Responsibility, in the Ordinary shares of GlaxoSmithKline plc following the sale of Ordinary shares at a price of £14.15 per Ordinary share on 17 February 2012, to meet her tax liabilities following the vesting of an award granted in 2009 under the GlaxoSmithKline Share Value Plan:

Name of

PDMR

Name of Connected Person

Number of shares sold

Number of shares retained

Mr P Thomson

Mrs K Thomson

306

282

The Company and the above individuals were advised of this transaction on 21 February 2012.

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

V A Whyte