Transaction in Own Shares

BP PLC
24 May 2006

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

BP p.l.c.  -  24 May 2006



BP p.l.c. announces that on 23 May 2006, it purchased 4,200,000 ordinary shares
at prices between 616.0 pence and 636.0 pence per share. The purchased shares
will all be held as Treasury shares.



Following the above transactions, BP p.l.c. holds 1,559,618,535 ordinary shares
in Treasury, and has 20,134,622,692 ordinary shares in issue (excluding Treasury
shares).



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


                      This information is provided by RNS
            The company news service from the London Stock Exchange