Transaction in Own Shares

BP PLC
06 September 2007

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

BP p.l.c.  -  6 September 2007



BP p.l.c. announces that on 5 September 2007, it purchased for cancellation
1,760,000 ordinary shares at prices between 556.50 pence and 568.00 pence per
share.



Following the above transactions, BP p.l.c. holds 1,942,464,039 ordinary shares
in Treasury, and has 19,047,021,528 ordinary shares in issue (excluding Treasury
shares).





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




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