Transaction in Own Shares

BP PLC
27 June 2006



BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  27 June 2006



BP p.l.c. announces that on 26 June 2006, it purchased 6,291,000 ordinary shares
at prices between 608.5 pence and 617.0 pence per share. The purchased shares
will all be held as Treasury shares.



Following the above transactions, BP p.l.c. holds 1,690,922,149 ordinary shares
in Treasury, and has 20,003,991,344 ordinary shares in issue (excluding Treasury
shares).



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




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