Transaction in Own Shares

BP PLC
29 May 2007

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

BP p.l.c.  -  29 May 2007



BP p.l.c. announces that on 25 May 2007, it purchased for cancellation 3,114,380
ordinary shares at prices between 564.5 pence and 568.5 pence per share.



Following the above transaction, BP p.l.c. holds 1,943,888,847 ordinary shares
in Treasury, and has 19,179,253,460 ordinary shares in issue (excluding Treasury
shares).



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


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