Transaction in Own Shares

British Assets Trust PLC
22 May 2007

TO:          RNS
DATE:        22 May 2007
SUBJECT:     British Assets Trust plc


TRANSACTION IN OWN SECURITIES

The Board of British Assets Trust plc announces that on 22 May 2007 the Company
purchased for cancellation 1,000,000 ordinary shares of 25p at a price of
151.50p per share.

Following this purchase there are now 306,512,282 ordinary shares of 25p with
voting rights in British Assets Trust plc.

The above figure (306,512,282) may be used by shareholders as the denominator
for the calculations by which they will determine if they are required to notify
their interest in, or a change to their interest in, British Assets Trust plc
under the FSA's Disclosure and Transparency Rules.

All Enquiries:

G R Hay Smith               ) F&C Investment Business Limited  020 7628 8000
Company Secretary



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