Transaction in Own Shares

BP PLC
14 December 2007


BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  14 December 2007


BP p.l.c. announces that on 13 December 2007, it purchased for cancellation
3,175,000 ordinary shares at prices between 609.0 pence and 621.5 pence per
share.

Following the above transaction BP p.l.c. holds 1,940,699,703 ordinary shares in
Treasury, and has 18,931,752,344 ordinary shares in issue (excluding Treasury
shares).


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


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