Transaction in Own Shares

BP PLC
04 October 2007

BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  4 October 2007


BP p.l.c. announces that on 3 October 2007, it purchased for cancellation
1,700,000 ordinary shares at prices between 549.50 pence and 558.00 pence per
share.


Following the above transaction BP p.l.c. holds 1,941,749,455 ordinary shares in
Treasury, and has 19,012,678,864 ordinary shares in issue (excluding Treasury
shares).


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




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