Transaction in Own Shares

BP PLC
18 April 2006

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

BP p.l.c.  -  18 April 2006



BP p.l.c. announces that on 13 April 2006, it purchased 5,000,000 ordinary
shares at prices between 684.00 pence and 690.00 pence per share. The purchased
shares will all be held as Treasury shares.



Following the above transaction, BP p.l.c. holds 1,392,003,939 ordinary shares
in Treasury, and has 20,282,672,554 ordinary shares in issue (excluding Treasury
shares).



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


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