Transaction in Own Shares

BP PLC
09 August 2007

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  9 August 2007



BP p.l.c. announces that on 8 August 2007, it purchased for cancellation
1,770,000 ordinary shares at prices between 548.0 pence and 561.5 pence per
share.



BP p.l.c. also announces that on 08 August 2007 it transferred to participants
in its employee share schemes 305 ordinary shares at prices between 441.0 pence
and 500.0 pence. These shares were previously held as treasury shares.



Following the above transactions, BP p.l.c. holds 1,943,704,710 ordinary shares
in Treasury, and has 19,080,300,731 ordinary shares in issue (excluding Treasury
shares).





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


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