Transaction in Own Shares

British Portfolio Trust PLC
31 May 2007



British Portfolio Trust plc announces that on 31 May 2007 it purchased, for
cancellation, 25,000 Ordinary 1p Shares (representing 0.06% of the issued
Ordinary Capital), at a price of 192p per Ordinary Share.

Settlement of the purchased 25,000 Ordinary Shares is due on 5 June 2007.

Following the purchase and cancellation of the 25,000 Ordinary Shares, the total
number of Treasury shares held by the Company will be 1,447,164. The issued
share capital of the Company, less the total number of Ordinary Shares held in
Treasury, will be 42,222,610 Ordinary 1p Shares.

Enquiries:

P W I Ingram

Company Secretary

Tel: [phone]

31 May 2007






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