Transaction in Own Shares

BP PLC
18 February 2005

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

BP p.l.c.  -  18 February 2005



BP p.l.c. announces that on 17 February 2005, it purchased 2,500,000 ordinary
shares at prices between 560.00 pence and 565.00 pence per share. The purchased
shares will all be held as Treasury shares.



Following the above purchase, BP p.l.c. holds 25,000,000 ordinary shares in
Treasury, and has 21,437,572,206  ordinary shares in issue (excluding Treasury
shares).



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


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