Transaction in Own Shares

BP PLC
11 April 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 11 April 2005

BP p.l.c. announces that on 8 April 2005, it purchased 3,800,000 ordinary shares
at prices between 562.50 pence and 568.00 pence per share. The purchased shares
will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 133,085,000 ordinary shares in
Treasury, and has 21,351,204,345 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