Net Asset Value(s)

RNS Number : 5807E

British Portfolio Trust PLC

29 September 2008

British Portfolio Trust PLC

As recommended by the AIC, with effect from 1 June 2008, net asset values are calculated on both a capital and a cum-income basis.

British Portfolio Trust PLC announces that at close of business on 26 September 2008:

the capital net asset value per ordinary share was 141.84p.
including shares held in treasury, the capital net asset value per ordinary share was 141.63p.
the cum-income net asset value per ordinary share was 145.43p.including shares held in treasury, the cum-income net asset value per ordinary share was 144.90p.