Transaction in Own Shares

BP PLC
25 March 2008

BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  25 March 2008


BP p.l.c. announces that on 20 March 2008, it purchased for cancellation
2,505,000 ordinary shares at prices between 495.25 pence and 507.50 pence per
share.

Following the above transaction BP p.l.c. holds 1,937,789,096 ordinary shares in
Treasury, and has 18,847,220,771 ordinary shares in issue (excluding Treasury
shares).

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


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