Transaction in Own Shares

BP PLC
03 January 2008


BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  3 January 2008

BP p.l.c. announces that on 2 January 2008, it purchased for cancellation
652,000 ordinary shares at prices between 612.00 pence and 623.50 pence per
share.

BP p.l.c. also announces that on 2 January 2008 it transferred to participants
in its employee share schemes 34,346 ordinary shares at prices between 350.00
pence and 500.00 pence. These shares were previously held as treasury shares.

Following the above transaction BP p.l.c. holds 1,940,604,462 ordinary shares in
Treasury, and has 18,922,029,958 ordinary shares in issue (excluding Treasury
shares).

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


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