Transaction in Own Shares

BP PLC
16 February 2005

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  16 February 2005

BP p.l.c. announces that on 15 February 2005, it purchased 3,800,000 ordinary
shares at prices between 547.50 pence and 552.00 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 20,100,000 ordinary shares in
Treasury, and has 21,440,549,040  ordinary shares in issue (excluding Treasury
shares).

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


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