Transaction in Own Shares

British Portfolio Trust PLC
13 September 2007


British Portfolio Trust plc announces that on 13 September 2007 it purchased, to
be held in treasury, 180,000 Ordinary Shares at 180p per share (representing
4.29% of the issued ordinary capital).

Settlement of the purchased 180,000 Ordinary Shares is due on 18 September 2007.

Following the purchase and non-cancellation of the 180,000 Ordinary Shares, the
total number of Treasury shares held by the Company will be 1,792,164. The
issued share capital of the Company, less the total number of Ordinary Shares
held in Treasury, will be 41,802,610 Ordinary 1p Shares.

Enquiries:
P W I Ingram
Company Secretary
Tel: [phone]
13 September 2007


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