Transaction in Own Shares

BP PLC
22 November 2007

BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  22 November 2007



BP p.l.c. announces that on 21 November 2007, it purchased for cancellation
2,550,000 ordinary shares at prices between 577.75 pence and 587.50 pence per
share.

BP p.l.c. also announces that on 21 November 2007 it transferred to participants
in its employee share schemes 40,124 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 1,940,847,744 ordinary shares
in Treasury, and has 18,965,111,613 ordinary shares in issue (excluding Treasury
shares).



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


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