Transaction in Own Shares

BP PLC
28 February 2007


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  28 February 2007


BP p.l.c. announces that on 27 February 2007, it purchased for cancellation
3,750,000 ordinary shares at prices between 533.0 pence and 543.5 pence per
share.

Following the above transaction, BP p.l.c. holds 1,944,237,064 ordinary shares
in Treasury, and has 19,365,657,297 ordinary shares in issue (excluding Treasury
shares).


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


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