Transaction in Own Shares

BP PLC
15 October 2007


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 15 October 2007

BP p.l.c. announces that on 12 October 2007, it purchased for cancellation
293,689 ordinary shares at prices between 590.50 pence and 599.00 pence per
share.


Following the above transaction BP p.l.c. holds 1,941,602,088 ordinary shares in
Treasury, and has 19,006,588,446 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