Transaction in Own Shares

BP PLC
04 August 2006

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

BP p.l.c.  -  4 August 2006



BP p.l.c. announces that on 3 August 2006, it purchased 9,112,000 ordinary
shares at prices between 636.5 pence and 648.0 pence per share and between
1200.00 cents and 1207.17 cents per share. The purchased shares will all be held
as Treasury shares.



Following the above transactions, BP p.l.c. holds 1,884,769,654 ordinary shares
in Treasury, and has 19,812,821,073 ordinary shares in issue (excluding Treasury
shares).



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


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