Transaction in Own Shares

BP PLC
10 August 2006

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



BP p.l.c. announces that on 9 August 2006, it purchased 5,959,000 ordinary
shares at prices between 609.0 pence and 620.0 pence per share. The purchased
shares will all be held as Treasury shares.

BP p.l.c. also announces that on 9 August 2006 it transferred to participants in
its employee share schemes 3,283 ordinary shares at prices between 350.00 pence
and 452.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,910,030,871 ordinary shares
in Treasury, and has 19,788,736,724 ordinary shares in issue (excluding Treasury
shares).



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


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