Transaction in Own Shares

BP PLC
02 June 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  2 June 2006


BP p.l.c. announces that on 1 June 2006, it purchased 5,100,000 ordinary shares
at prices between 622.5 pence and 632.0 pence per share. The purchased shares
will all be held as Treasury shares.

Following the above transactions, BP p.l.c. holds 1,590,326,033 ordinary shares
in Treasury, and has 20,104,122,096 ordinary shares in issue (excluding Treasury
shares).


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



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