Transaction in Own Shares

BP PLC
17 April 2008

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

BP p.l.c. -  17 April 2008



BP p.l.c. announces that on 16 April 2008, it purchased for cancellation
1,700,000 ordinary shares at prices between 551.00 pence and 563.00 pence per
share.



BP p.l.c. also announces that on 16 April 2008 it transferred to participants in
its employee share schemes 9,603 ordinary shares at prices between 350.00 pence
and 441.00 pence. These shares were previously held as treasury shares.



Following the above transactions BP p.l.c. holds 1,907,201,319 ordinary shares
in Treasury, and has 18,860,307,637 ordinary shares in issue (excluding Treasury
shares).



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




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