Holding(s) in Company

Great Portland Estates PLC
17 February 2006


Letter to Great Portland Estates Plc

Dated 10 February 2006

Companies Act 1985 (as amended):
Disclosure of Interests in Shares

In accordance with Part VI of the Companies Act 1985 (as amended) (the 'Act'),
we write to inform you that Prudential plc and certain of its subsidiary
companies have a notifiable interest in the issued share capital of your company
as detailed in the attached schedule.

For the purposes of S210 of the Act, the address for those companies identified
in the attached schedule is Laurence Pountney Hill London EC4R 0HH.

From: Lara Shitta-Bey
For and on behalf of Prudential plc




       Notifiable Position Report for GREAT PORTLAND EST ORD GBP0.125
                         as at 09 February 2006

Percentage holdings are calculated using an issued share capital of 
162,474,812 ORD GBP0.125 shares


                Registered Holder                  Holding      %     

Prudential plc                                     6,331,578   3.89   Total                                          
                                                                      Notifiable 
                                                                      Interest
                PRUCLT HSBC GIS NOM(UK) PAC AC     6,275,378   
                PRUCLT HSBC GIS NOM(UK) PPL AC        53,200
                PRUDENTIAL HOLBORN PENSIONS LD         3,000
                                                      

The Prudential Assurance Company Limited           6,328,578   3.89

                PRUCLT HSBC GIS NOM (UK) PAC AC    6,275,378
                PRUCLT HSBC GIS NOM (UK) PPL AC       53,200
                                                      



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