Circ re. REIT

Great Portland Estates PLC
15 November 2006



Publication of REIT circular to shareholders

As announced on 14 November 2006, Great Portland Estates plc ('Company') intends
to convert the GPE Group to a UK Real Estate Investment Trust ('UK-REIT') on 1
January 2007. In order to facilitate conversion to a UK-REIT, it is necessary,
for technical reasons, to amend the Company's Articles of Association.

Accordingly, the Company has today issued a circular to shareholders
('Circular') explaining the proposed conversion of the GPE Group to a UK-REIT
and convening an Extraordinary General Meeting ('EGM') to be held at 11 a.m. on
Wednesday 13 December 2006 on the 17th Floor, 33 Cavendish Square, London W1G
0PW. The purpose of the EGM is to approve amendments to the Company's Articles
of Association which are necessary to facilitate the conversion of the GPE Group
to a UK-REIT.

Two copies of the Circular have been sent to the Financial Services Authority
for publication through the Document Viewing Facility of the UK Listing
Authority at 25 The North Colonnade, Canary Wharf, London E14 5HS. The Document
Viewing Facility is open from 9am to 5.30pm on every weekday except bank
holidays.

Copies of the Circular are available free of charge from the Company Secretary,
Great Portland Estates plc, 17th Floor, 33 Cavendish Square, London W1G 0PW. The
Circular is also available on the Company's website at www.gpe.co.uk.

Contacts:

Great Portland Estates plc                     020 7647 3000
Martin Leighton, Head of Tax 
Desna Martin, Company Secretary



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