Transaction in Own Shares

BP PLC
22 June 2007

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

BP p.l.c.  -  22 June 2007



BP p.l.c. announces that on 21 June 2007, it purchased for cancellation
1,725,000 ordinary shares at prices between 578.0 pence and 580.0 pence per
share.



Following the above transaction, BP p.l.c. holds 1,943,817,968 ordinary shares
in Treasury, and has 19,135,507,986 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