Transaction in Own Shares

BP PLC
31 January 2006

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

BP p.l.c.  -  31 January 2006



BP p.l.c. announces that on 30 January 2006, it purchased 3,500,000 ordinary
shares at prices between 668.0 pence and 683.0 pence per share. The purchased
shares will all be held as Treasury shares.



Following the above transaction, BP p.l.c. holds 1,048,967,229 ordinary shares
in Treasury, and has  20,600,611,192 ordinary shares in issue (excluding
Treasury shares).



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


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