Great Portland Regulatory News (GPOR)

Company Announcements Office

London Stock Exchange

London EC2N 1HP

3 January 2012

Our ref: DM/gsh

Director/PDMR Shareholding

Notification of monthly investment in the Great Portland Estates plc 2010 Share Incentive Plan ('SIP')

Barclays Bank Trust Company Limited (the 'Trustees'), Trustees of the Great Portland Estates plc's  SIP,  notified the Company on 3 January 2012 that they purchased a total of 6,297 ordinary 12.5p shares at a price of 325p per share on 30 December 2011 under the 'Partnership' and 'Matching' element of the Company's SIP.

Under the terms of the SIP each eligible participating employee can contribute from monthly salary to purchase 'Partnership Shares', and the Company matches this by awarding two 'Matching Shares' for every one 'Partnership Share' purchased by participating employees.

As participants in the SIP, the Executive Directors are deemed to have an interest in the shares held by the Trustees.  In accordance with Disclosure and Transparency Rule 3.1.4R (1), the Company gives notice that of the above shares acquired by the Trustees, the shares purchased on behalf of the Company's Executive Directors were as follows:

Contact:

Great Portland Estates plc
Desna Martin          Company Secretary                                                             020 7647 3093