Notice of Quarterly Valuation

Great Portland Estates PLC
10 July 2006

Notice of Quarterly Valuation Announcement

Great Portland Estates plc advises that it will announce its portfolio valuation
as at 30 June 2006 on Tuesday 18 July 2006.

Enquiries

Great Portland Estates plc:
Desna Martin 
020 7647 3093

Finsbury Group:
James Murgatroyd 
020 7251 3801



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