Transaction in Own Shares

BP PLC
21 February 2006


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

BP p.l.c.  -  21 February 2006


BP p.l.c. announces that on 20 February 2006, it purchased 3,400,000 ordinary
shares at prices between 661.00 pence and 670.00 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,144,886,516 ordinary shares
in Treasury, and has 20,510,893,073 ordinary shares in issue (excluding Treasury
shares).


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


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