Transaction in Own Shares

BP PLC
11 July 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  11 July 2006

BP p.l.c. announces that on 10 July 2006, it purchased 6,330,906 ordinary shares
at prices between 637.50 pence and 646.00 pence per share and between 1178.33
cents and 1188.50 cents per share. The purchased shares will all be held as
Treasury shares.

Following the above transactions, BP p.l.c. holds 1,742,032,015 ordinary shares
in Treasury, and has 19,953,403,910 ordinary shares in issue (excluding Treasury
shares).



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


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