Transaction in Own Shares

BP PLC
04 May 2007

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

BP p.l.c.  -  4 May 2007



BP p.l.c. announces that on 3 May 2007, it purchased for cancellation 2,104,079
ordinary shares at prices between 570.5 pence and 575.0 pence per share.



Following the above transaction, BP p.l.c. holds 1,943,903,651 ordinary shares
in Treasury, and has 19,214,255,104 ordinary shares in issue (excluding Treasury
shares).



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


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