Transaction in Own Shares

BP PLC
22 June 2006

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

BP p.l.c.  -  22 June 2006


BP p.l.c. announces that on 21 June 2006, it purchased 6,050,000 ordinary shares
at prices between 594.0 pence and 602.0 pence per share. The purchased shares
will all be held as Treasury shares.

BP p.l.c. also announces that on 21 June 2006 it transferred to participants in
its employee share schemes 46,978 ordinary shares at prices between 350.00 pence
and 511.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,677,481,149 ordinary shares
in Treasury, and has 20,017,271,344 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