Transaction in Own Shares

BP PLC
13 March 2006

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

BP p.l.c.  -  10 March 2006



BP p.l.c. announces that on 10 March 2006, it purchased 5,400,000 ordinary
shares at prices between 633.0 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 1,246,108,792 ordinary shares
in Treasury, and has 20,415,154,368 ordinary shares in issue (excluding Treasury
shares).



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


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