Transaction in Own Shares

BP PLC
10 April 2007


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 10 April 2007

BP p.l.c. announces that on 5 April 2007, it purchased for cancellation
3,668,232 ordinary shares at prices between 550.5 pence and 555.0 pence per
share.

Following the above transaction, BP p.l.c. holds 1,943,961,137 ordinary shares
in Treasury, and has 19,273,054,724 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