Transaction in Own Shares

British Portfolio Trust PLC
21 March 2007



British Portfolio Trust plc announces that on 21 March 2007 it purchased, for
cancellation, 15,000 Ordinary 1p Shares (representing 0.04% of the issued
Ordinary Capital), at a price of 180p per Ordinary Share.

Settlement of the purchased 15,000 Ordinary Shares is due on 26 March 2007.

Following the purchase and cancellation of the 15,000 Ordinary Shares, the total
number of Treasury shares held by the Company will be 4,371,666. The issued
share capital of the Company, less the total number of Ordinary Shares held in
Treasury, will be 39,517,108 Ordinary 1p Shares.

Enquiries:

P W I Ingram

Company Secretary

Tel: [phone]

21 March 2007






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