GlaxoSmithKline plc
Notification of Transactions of Directors, Persons Discharging Managerial Responsibilities or Connected Persons
In accordance with DTR 3.1.4R(1)(a) I give below details of changes in the interests of Mr N Hirons, a Person Discharging Managerial Responsibilities, in the Ordinary Shares of GlaxoSmithKline plc (the "Company"):
The exercise of options over 3,570 GSK American Depositary Shares ('ADSs') on 12 November 2014, granted on 2 December 2004 under the GlaxoSmithKline Share Option Plan at a price of $43.73 per ADS, and the sale of 2,286 and 1,284 GSK ADSs at a price of $45.70 and $45.72 per ADS respectively, on 12 November 2014.
The Company was advised of the transaction on 14 November 2014.
V A Whyte
Company Secretary
14 November 2014