Transaction in Own Shares

BP PLC
11 April 2007

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

BP p.l.c.  -  11 April 2007



BP p.l.c. announces that on 10 April 2007, it purchased for cancellation
2,929,840 ordinary shares at prices between 550.0 pence and 556.0 pence per
share.



Following the above transaction, BP p.l.c. holds 1,943,961,137 ordinary shares
in Treasury, and has 19,270,400,153 ordinary shares in issue (excluding Treasury
shares).



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


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