Transaction in Own Shares

BP PLC
26 June 2007


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 26 June 2007

BP p.l.c. announces that on 25 June 2007, it purchased for cancellation
2,400,000 ordinary shares at prices between 580.5 pence and 588.0 pence per
share.

Following the above transactions, BP p.l.c. holds 1,943,817,968 ordinary shares
in Treasury, and has 19,132,480,409 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