Transaction in Own Shares

BP PLC
31 March 2006

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

BP p.l.c.  -  31 March 2006



BP p.l.c. announces that on 30 March 2006, it purchased 5,623,000 ordinary
shares at prices between 670.00 pence and 675.50 pence per share and between
1160.67 cents and 1178.00 cents per share. The purchased shares will all be held
as Treasury shares.



Following the above transaction, BP p.l.c. holds 1,328,403,065 ordinary shares
in Treasury, and has 20,339,425,925 ordinary shares in issue (excluding Treasury
shares).



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


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