Great Portland Estates PLC 06 May 2008 Notice of Results Great Portland Estates plc advises that it will announce its preliminary results for the full year to 31 March 2008 on Wednesday 21 May 2008. Enquiries Great Portland Estates plc: Desna Martin 020 7647 3093 Finsbury Group: James Murgatroyd 020 7251 3801 Gordon Simpson 020 7251 3801 This information is provided by RNS The company news service from the London Stock Exchange