GPOR.L Regulatory News (GPOR)

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 1 February 2011 that they purchased a total of 5,103 ordinary 12.5p shares at a price of 360.8 per share 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 20 7647 3093