Transaction in Own Shares

BP PLC
29 January 2008


BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  29 January 2008


BP p.l.c. announces that on 28 January 2008, it purchased for cancellation
1,650,000 ordinary shares at prices between 520.00 pence and 534.00 pence per
share.

Following the above transaction BP p.l.c. holds 1,939,911,045 ordinary shares in
Treasury, and has 18,891,621,693 ordinary shares in issue (excluding Treasury
shares).


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


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