Transaction in Own Shares

BP PLC
01 June 2007

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

BP p.l.c.  -  1 June 2007



BP p.l.c. announces that on 31 May 2007, it purchased for cancellation 2,675,000
ordinary shares at prices between 563.0 pence and 567.0 pence per share.



Following the above transaction, BP p.l.c. holds 1,943,877,092 ordinary shares
in Treasury, and has 19,170,897,006 ordinary shares in issue (excluding Treasury
shares).



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


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