Transaction in Own Shares

BP PLC
15 April 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 15 April 2005

BP p.l.c. announces that on 14 April 2005, it purchased 3,900,000 ordinary
shares at prices between 538.0 pence and 545.0 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 147,185,000 ordinary shares in
Treasury, and has 21,343,047,153 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