Transaction in Own Shares

BP PLC
17 March 2008


BP p.l.c. -  Transaction in Own Shares

BP p.l.c. -  17 March 2008



BP p.l.c. announces that on 14 March 2008, it purchased for cancellation
2,781,000 ordinary shares at prices between 526.50 pence and 536.50 pence per
share.

BP p.l.c. also announces that on 14 March 2008 it transferred to participants in
its employee share schemes 650,166 ordinary shares at prices between 528.50
pence and 619.50 pence. These shares were previously held as treasury shares.

Following the above transactions BP p.l.c. holds 1,937,794,801 ordinary shares
in Treasury, and has 18,855,466,858 ordinary shares in issue (excluding Treasury
shares).

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


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