Transaction in Own Shares

BP PLC
08 May 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  8 May 2006


BP p.l.c. announces that on 5 May 2006, it purchased 9,400,000 ordinary shares
at prices between 675.0 pence and 685.0 pence per share and between 1261.67
cents and 1271.67 cents per share. The purchased shares will all be held as
Treasury shares.


Following the above transactions, BP p.l.c. holds 1,470,132,390 ordinary shares
in Treasury, and has 20,221,005,130 ordinary shares in issue (excluding Treasury
shares).


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


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