Transaction in Own Shares

BP PLC
15 August 2007

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

BP p.l.c.  -  15 August 2007



BP p.l.c. announces that on 14 August 2007, it purchased for cancellation
2,290,000 ordinary shares at prices between 538.0 pence and 547.0 pence per
share.



Following the above transactions, BP p.l.c. holds 1,943,704,710 ordinary shares
in Treasury, and has 19,071,689,987 ordinary shares in issue (excluding Treasury
shares).





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


                      This information is provided by RNS
            The company news service from the London Stock Exchange