Director/PDMR Shareholding

RNS Number : 9253L

GlaxoSmithKline PLC

30 April 2015

GlaxoSmithKline plc

Notification of Transactions of

Directors and Persons Discharging Managerial Responsibility

In accordance with Disclosure and Transparency Rule 3.1.4R(1)(c) the table below sets out the changes in interests of a Person Discharging Managerial Responsibilities' ('PDMR') Connected Person following the vesting of awards over Ordinary Shares made in 2012, 2013 and 2014 under the GlaxoSmithKline Share Value Plan ('SVP'). The notification also sets out the sale of Ordinary Shares to meet tax liabilities following the vesting of these awards.

The fair market value of an Ordinary Share at the point of vesting and sale on 24 March 2015 was £16.13.

Name of PDMR

Name of Connected Person

Number of Ordinary Shares vested

Number of Ordinary Shares sold to meet tax liabilities following the vesting

Mr P C Thomson

Mrs K Thomson

4958

2332

The Company was advised of these transactions on 30 April 2015.

V A Whyte

Company Secretary