Transaction in Own Shares

BP PLC
29 October 2007


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 29 October 2007

BP p.l.c. announces that on 26 October 2007, it purchased for cancellation
400,000 ordinary shares at prices between 619.00 pence and 630.50 pence per
share.

Following the above transaction BP p.l.c. holds 1,941,467,402 ordinary shares in
Treasury, and has 18,995,054,210 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