Transaction in Own Shares

BP PLC
04 July 2006

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

BP p.l.c.  -  4 July 2006



BP p.l.c. announces that on 3 July 2006, it purchased 3,851,794 ordinary shares
at prices between 630.0 pence and 640.0 pence per share. The purchased shares
will all be held as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,705,489,544 ordinary shares
in Treasury, and has 19,989,580,709 ordinary shares in issue (excluding Treasury
shares).

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


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