Transaction in Own Shares

BP PLC
12 March 2008


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

BP p.l.c. -  12 March 2008



BP p.l.c. announces that on 11 March 2008, it purchased for cancellation
1,380,000 ordinary shares at prices between 535.00 pence and 540.00 pence per
share.

Following the above transaction BP p.l.c. holds 1,939,076,540 ordinary shares in
Treasury, and has 18,858,842,053 ordinary shares in issue (excluding Treasury
shares).


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


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