Transaction in Own Shares

BP PLC
05 April 2007

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

BP p.l.c.  -  5 April 2007



BP p.l.c. announces that on 4 April 2007, it purchased for cancellation
3,520,902 ordinary shares at prices between 543.7 pence and 550.0 pence per
share.



BP p.l.c. also announces that on 4 April 2007 it transferred to participants in
its employee share schemes 4,042 ordinary shares at prices between 350.0 pence
and 500.0 pence. These shares were previously held as treasury shares.



Following the above transaction, BP p.l.c. holds 1,943,961,137 ordinary shares
in Treasury, and has 19,276,624,231 ordinary shares in issue (excluding Treasury
shares).



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


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