Transaction in Own Shares

BP PLC
22 February 2007

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


BP p.l.c. announces that on 21 February 2007, it purchased for cancellation
3,900,000 ordinary shares at prices between 520.0 pence and 528.5 pence per
share.


BP p.l.c. also announces that on 21 February 2007 it transferred to participants
in its employee share schemes 99,056 ordinary shares at prices between 350.0
pence and 511.0 pence. These shares were previously held as treasury shares.


Following the above transactions, BP p.l.c. holds 1,944,237,064 ordinary shares
in Treasury, and has 19,377,775,529 ordinary shares in issue (excluding Treasury
shares).



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


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