Transaction in Own Shares

BP PLC
12 July 2006


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

BP p.l.c.  -  12 July 2006



BP p.l.c. announces that on 11 July 2006, it purchased 7,826,847 ordinary shares
at prices between 641.5 pence and 647.5 pence per share and between 1173.00
cents and 1190.00 cents per share. The purchased shares will all be held as
Treasury shares.



Following the above transaction, BP p.l.c. holds 1,749,858,862 ordinary shares
in Treasury, and has 19,945,701,471 ordinary shares in issue (excluding Treasury
shares).



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


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