Transaction in Own Shares

BP PLC
17 January 2008





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

BP p.l.c. -  17 January 2008



BP p.l.c. announces that on 16 January 2008, it purchased for cancellation
3,594,000 ordinary shares at prices between 557.50 pence and 574.00 pence per
share.



BP p.l.c. also announces that on 16 January 2008 it transferred to participants
in its employee share schemes 74,064 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 1,939,951,078 ordinary shares
in Treasury, and has 18,905,962,644 ordinary shares in issue (excluding Treasury
shares).



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


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