Portfolio Update

British Portfolio Trust PLC
01 July 2005

                                      BRITISH PORTFOLIO TRUST PLC

                                  TOP 10 HOLDINGS AS AT 30 June 2005

Stock Name                                 Market Value                     %
                                                      £

BP                                            5,792,581                  7.48
HSBC                                          4,761,533                  6.15
Vodafone Group                                4,409,298                  5.70
Glaxosmithkline                               4,097,045                  5.29
Shell Transport & Trading                     3,261,719                  4.21
Royal Bank of Scotland                        2,857,989                  3.69
Barclays                                      2,207,150                  2.85
Astrazeneca                                   1,754,399                  2.27
HBOS                                          1,539,873                  1.99
National Grid Transco                         1,510,088                  1.95

Total Gross Assets                           77,413,427


Enquiries:

Peter Ingram
Company Secretary
Tel. [phone]

1 July 2005


                      This information is provided by RNS
            The company news service from the London Stock Exchange