Transaction in Own Shares

BP PLC
16 March 2007

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

BP p.l.c.  -  16 March 2007



BP p.l.c. announces that on 15 March 2007, it purchased for cancellation
4,040,000 ordinary shares at prices between 509.0 pence and 515.5 pence per
share.



Following the above transaction, BP p.l.c. holds 1,943,979,574 ordinary shares
in Treasury, and has 19,315,168,831 ordinary shares in issue (excluding Treasury
shares).



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


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