Transaction in Own Shares

British Portfolio Trust PLC
10 September 2004

British Portfolio Trust plc announces that on 10 September 2004 it purchased,
for cancellation, 37,500 Ordinary 1p Shares (representing 0.08% of the issued
Ordinary Capital), at a price of 122p per Ordinary Share.

Settlement and cancellation of the purchased 37,500 Ordinary Shares is due on 15
September 2004 when the issued share capital of the Trust will fall to
47,392,502 Ordinary 1p Shares.

Enquiries:

P W I Ingram

Company Secretary

Tel: [phone]

10 September 2004






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