Transaction in Own Shares

British Portfolio Trust PLC
11 November 2005


British Portfolio Trust plc announces that on 11 November 2005 it purchased, to
be held in treasury, 1,000,000 Ordinary Shares at 153p per share (representing
2.21% of the issued ordinary capital).

Settlement of the purchased 1,000,000 Ordinary Shares is due on 18 November
2005.

Following the purchase and non-cancellation of the 1,000,000 Ordinary Shares,
the total number of Treasury shares held by the Company will be 1,554,000. The
issued share capital of the Company, less the total number of Ordinary Shares
held in Treasury, will be 44,339,002 Ordinary 1p Shares.

Enquiries:

P W I Ingram

Company Secretary

Tel: [phone]

11 November 2005



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