Transaction in Own Shares

BP PLC
30 April 2004

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  30 April 2004

BP p.l.c. announces that on 29 April 2004, it purchased for cancellation
11,310,000 ordinary shares at prices between 491.00 pence and 496.00 pence per
share and between 873.67 US cents and 883.33 US cents per share.

Enquiries : Fergus MacLeod, BP p.l.c.    Tel : [phone]


                      This information is provided by RNS
            The company news service from the London Stock Exchange             RSURSUUR