Transaction in Own Shares

BP PLC
26 October 2005

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  26 October 2005

BP p.l.c. announces that on 25 October 2005, it purchased 5,606,000 ordinary
shares at prices between 605.00 pence and 616.50 pence per share and between
1085.83 cents and 1097.17 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above purchase, BP p.l.c. holds 744,096,434 ordinary shares in
Treasury, and has 20,892,562,537 ordinary shares in issue (excluding Treasury
shares).

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


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