Transaction in Own Shares

BP PLC
04 April 2006

BP p.l.c.  -  Transaction in Own Shares

BP p.l.c.  -  4 April 2006

BP p.l.c. announces that on 3 April 2006, it purchased 2,890,399 ordinary shares
at prices between 663.5 pence and 670.5 pence per share and between 1162.5 cents
and 1164.2 cents per share. The purchased shares will all be held as Treasury
shares.

Following the above transaction, BP p.l.c. holds 1,331,293,464 ordinary shares
in Treasury, and has 20,337,176,807 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