Transaction in Own Shares

BP PLC
08 August 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  8 August 2006


BP p.l.c. announces that on 7 August 2006, it purchased 5,920,000 ordinary
shares at prices between 620.0 pence and 627.0 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above transactions, BP p.l.c. holds 1,897,838,954 ordinary shares
in Treasury, and has 19,800,539,009 ordinary shares in issue (excluding Treasury
shares).


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


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