Transaction in Own Shares

BP PLC
13 December 2007

BP p.l.c. -  Transaction in Own Shares

BP p.l.c. -  13 December 2007



BP p.l.c. announces that on 12 December 2007, it purchased for cancellation
1,975,000 ordinary shares at prices between 610.25 pence and 623.50 pence per
share.



BP p.l.c. also announces that on 12 December 2007 it transferred to participants
in its employee share schemes 35,682 ordinary shares at prices between 350.00
pence and 500.00 pence. These shares were previously held as treasury shares.



Following the above transactions BP p.l.c. holds 1,940,699,703 ordinary shares
in Treasury, and has 18,934,740,860 ordinary shares in issue (excluding Treasury
shares).



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


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