Portfolio Update

British Portfolio Trust PLC
02 August 2006


                          BRITISH PORTFOLIO TRUST PLC


List of Top Ten Investments and all Holdings over 5% of Gross Assets at 31 July
2006, announced in accordance with Listing Rule 15.4.11 (2).




                     Holding                              % of Gross Assets
BP                                                              6.98
GlaxoSmithKline                                                 5.43
Royal Dutch Shell 'B' Shares                                    5.06
Energy XXI                                                      4.41
HSBC                                                            3.99
Royal Bank of Scotland Group                                    3.18
Vodafone Group                                                  3.08
Astrazeneca                                                     3.04
Anglo American                                                  2.27
Barclays                                                        2.16



Enquiries :

Peter Ingram
Company Secretary
Tel. [phone]


2 August 2006









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            The company news service from the London Stock Exchange