Transaction in Own Shares

BP PLC
25 May 2006

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

BP p.l.c.  -  25 May 2006



BP p.l.c. announces that on 24 May 2006, it purchased 5,594,900 ordinary shares
at prices between 617.50 pence and 622.0 pence per share. The purchased shares
will all be held as Treasury shares.

BP p.l.c. also announces that on 24 May 2006 it transferred to participants in
its employee share schemes 5,757 ordinary shares at prices between 350.00 pence
and 511.00 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,565,207,678 ordinary shares
in Treasury, and has 20,129,044,249 ordinary shares in issue (excluding Treasury
shares).



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


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