Transaction in Own Shares

BP PLC
31 October 2005

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

BP p.l.c.  -  31 October 2005



BP p.l.c. announces that on 28 October 2005, it purchased 9,100,000 ordinary
shares at prices between 609.00 pence and 620.00 pence per share. The purchased
shares will all be held as Treasury shares.



Following the above purchase, BP p.l.c. holds 774,065,950 ordinary shares in
Treasury, and has 20,862,719,357 ordinary shares in issue (excluding Treasury
shares).



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


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