Transaction in Own Shares

BP PLC
07 August 2007


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  7 August 2007


BP p.l.c. announces that on 6 August 2007, it purchased for cancellation
1,780,000 ordinary shares at prices between 544.0 pence and 553.0 pence per
share.

Following the above transactions, BP p.l.c. holds 1,943,705,015 ordinary shares
in Treasury, and has 19,083,670,296 ordinary shares in issue (excluding Treasury
shares).


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


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