Transaction in Own Shares

BP PLC
17 February 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 17 February 2005

BP p.l.c. announces that on 16 February 2005, it purchased 2,400,000 ordinary
shares at prices between 545.00 pence and 553.00 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 22,500,000 ordinary shares in
Treasury, and has 21,438,928,602 ordinary shares in issue (excluding Treasury
shares).

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



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