Transaction in Own Shares

BP PLC
17 October 2007


BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  17 October 2007


BP p.l.c. announces that on 16 October 2007, it purchased for cancellation
1,500,000 ordinary shares at prices between 619.25 pence and 629.00 pence per
share.


Following the above transaction BP p.l.c. holds 1,941,602,088 ordinary shares in
Treasury, and has 19,006,237,628 ordinary shares in issue (excluding Treasury
shares).


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



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