Transaction in Own Shares

BP PLC
18 February 2008

BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  18 February 2008

BP p.l.c. announces that on 15 February 2008, it purchased for cancellation
1,367,500 ordinary shares at prices between 551.00 pence and 565.00 pence per
share.

Following the above transaction BP p.l.c. holds 1,939,190,657 ordinary shares in
Treasury, and has 18,877,540,885 ordinary shares in issue (excluding Treasury
shares).

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


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