Transaction in Own Shares

British Portfolio Trust PLC
07 September 2007



British Portfolio Trust plc announces that on 7 September 2007 it purchased, to
be held in treasury, 50,000 Ordinary Shares at 181.5p per share (representing
0.12% of the issued ordinary capital).

Settlement of the purchased 50,000 Ordinary Shares is due on 12 September 2007.

Following the purchase and non-cancellation of the 50,000 Ordinary Shares, the
total number of Treasury shares held by the Company will be 1,612,164. The
issued share capital of the Company, less the total number of Ordinary Shares
held in Treasury, will be 41,982,610 Ordinary 1p Shares.

Enquiries:

P W I Ingram

Company Secretary

Tel: [phone]

7 September 2007






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