Transaction in Own Shares

BP PLC
16 March 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  16 March 2006


BP p.l.c. announces that on 15 March 2006, it purchased 3,515,000 ordinary
shares at prices between 656.00 pence and 667.00 pence per share and between
1157.17 cents and 1165.67 cents per share. The purchased shares will all be held
as Treasury shares.

BP p.l.c. also announces that on 15 March 2006 it transferred to participants in
its employee share schemes 20,807 ordinary shares at prices between 350.00 pence
and 511.00 pence. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,264,244,185 ordinary shares
in Treasury, and has 20,397,422,329 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