Transaction in Own Shares

BP PLC
28 February 2008


BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  28 February 2008


BP p.l.c. announces that on 27 February 2008, it purchased for cancellation
1,340,000 ordinary shares at prices between 558.50 pence and 570.08 pence per
share.

BP p.l.c. also announces that on 27 February 2008 it transferred to participants
in its employee share schemes 31,769 ordinary shares at prices between 350.00
pence and 452.00 pence. These shares were previously held as treasury shares.

Following the above transactions BP p.l.c. holds 1,939,120,649 ordinary shares
in Treasury, and has 18,869,424,548 ordinary shares in issue (excluding Treasury
shares).


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


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