Transaction in Own Shares

BP PLC
16 April 2007

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

BP p.l.c.  -  16 April 2007



BP p.l.c. announces that on 13 April 2007, it purchased for cancellation
4,217,789 ordinary shares at prices between 569.0 pence and 577.5 pence per
share.



Following the above transaction, BP p.l.c. holds 1,943,935,076 ordinary shares
in Treasury, and has 19,257,433,360 ordinary shares in issue (excluding Treasury
shares).



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


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