Transaction in Own Shares

RNS Number : 1853B

British Portfolio Trust PLC

12 August 2008

British Portfolio Trust plc announces that on 12 August 2008 it purchased, for cancellation, 385,000 Ordinary 1p Shares (representing 0.98% of the issued Ordinary Capital), at a price of 154.32p per Ordinary Share.

Settlement of the purchased 385,000 Ordinary Shares is due on 15 August 2008.

Following the purchase and cancellation of the 385,000 Ordinary Shares, the total number of Treasury shares held by the Company will be 3,828,664. The issued share capital of the Company, less the total number of Ordinary Shares held in Treasury, will be 38,858,300 Ordinary 1p Shares.