Transaction in Own Shares

BP PLC
25 October 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  25 October 2006

BP p.l.c. announces that on 24 October 2006, it purchased for cancellation
9,894,000 ordinary shares at prices between 600.5 pence and 610.0 pence per
share and between 1130.50 cents and 1142.50 cents per share.

This purchase was bought as part of the close period contract announced on the
28th September 2006.

Following the above transactions, BP p.l.c. holds 1,947,547,562 ordinary shares
in Treasury, and has 19,681,871,498 ordinary shares in issue (excluding Treasury
shares).

Enquiries: Fergus MacLeod, BP p.l.c.    Tel : [phone]


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