Transaction in Own Shares

BP PLC
22 February 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 22 February 2005

BP p.l.c. announces that on 21 February 2005, it purchased 2,300,000 ordinary
shares at prices between 553.50 pence and 560.00 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 32,000,000 ordinary shares in
Treasury, and has 21,433,219,799 ordinary shares in issue (excluding Treasury
shares).

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



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