Transaction in Own Shares

BP PLC
22 February 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  22 February 2006

BP p.l.c. announces that on 21 February 2006, it purchased 8,610,000 ordinary
shares at prices between 663.50 pence and 670.50 pence per share and between
1149.17 cents and 1163.33 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,153,496,516 ordinary shares
in Treasury, and has 20,502,604,563 ordinary shares in issue (excluding Treasury
shares).

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


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