Director/PDMR Shareholding

RNS Number : 0452Z

GlaxoSmithKline PLC

09 March 2012

Notification of Transactions of Directors, Persons Discharging

Managerial Responsibility or Connected Persons

This notification sets out information relating to conditional share awards granted in 2009 under the GlaxoSmithKline 2009 Performance Share Plan (the Performance Share Plan), the vesting in part (49%) of which was approved by the Remuneration Committee on 17 February 2012, following a three-year performance period (the Awards).

The ex-dividend date for the fourth quarter 2011 and supplemental dividends (the Dividends) was 15 February 2012. In accordance with the rules of the Performance Share Plan, the Dividends on the vested Awards were reinvested in further shares at prices of £14.21 per Ordinary Share and $44.48 per American Depositary Share (ADS), being the prices on 15 February 2012. This resulted in the vesting and lapsing of the following shares on 8 March 2012, in proportion to the vesting of Awards approved by the Remuneration Committee on 17 February 2012.

	Percentage of total Awards which vested	Vested Ordinary Shares	Lapsed Ordinary Shares
Sir Andrew Witty*	49%	4780	2048
Mr S M Bicknell	49%	216	92
Mr J M Clarke	49%	782	334
Mr M Dunoyer	49%	402	170
Mr E Gray	49%	508	217
Mr A Hussain	49%	782	334
Mr D S Redfern	49%	295	125
Mr J R Stephenne	49%	508	217
Ms C Thomas	49%	402	170

* denotes an Executive Director

	Percentage of total Awards which vested	Vested ADSs	Lapsed ADSs
Dr M Slaoui*	49%	709	302
Ms D Connelly	49%	791	338
Mr W C Louv	49%	257	109
Dr D Pulman	49%	396	168
Mr D Troy	49%	593	253