Transaction in Own Shares

BP PLC
26 September 2007

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

BP p.l.c.  -  26 September 2007



BP p.l.c. announces that on 25 September 2007, it purchased for cancellation
3,450,000 ordinary shares at prices between 569.00 pence and 577.00 pence per
share.





Following the above transactions, BP p.l.c. holds 1,941,851,027 ordinary shares
in Treasury, and has 19,020,392,160 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