Transaction in Own Shares

BP PLC
10 July 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  10 July 2006

BP p.l.c. announces that on 7 July 2006, it purchased 10,918,697 ordinary shares
at prices between 636.50 pence and 648.50 pence per share and between 1182.33
cents and 1198.33 cents per share. The purchased shares will all be held as
Treasury shares.

Following the above transactions, BP p.l.c. holds 1,735,701,109 ordinary shares
in Treasury, and has 19,959,598,476 ordinary shares in issue (excluding Treasury
shares).


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


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