Transaction in Own Shares

BP PLC
10 January 2008



BP p.l.c. -  Transaction in Own Shares
BP p.l.c. -  10 January 2008


BP p.l.c. announces that on 9 January 2008, it purchased for cancellation
3,770,000 ordinary shares at prices between 602.50 pence and 620.00 pence per
share.

BP p.l.c. also announces that on 9 January 2008 it transferred to participants
in its employee share schemes 30,939 ordinary shares at prices between 386.00
pence and 500.00 pence. These shares were previously held as treasury shares.

Following the above transaction BP p.l.c. holds 1,940,573,523 ordinary shares in
Treasury, and has 18,917,154,369 ordinary shares in issue (excluding Treasury
shares).


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


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