Transaction in Own Shares

BP PLC
26 April 2007


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

BP p.l.c.  -  26 April 2007


BP p.l.c. announces that on 25 April 2007, it purchased for cancellation
2,276,713 ordinary shares at prices between 565.0 pence and 570.5 pence per
share.


BP p.l.c. also announces that on 25 April 2007 it transferred to participants in
its employee share schemes 6,698 ordinary shares at prices between 326.0 pence
and 500.0 pence. These shares were previously held as treasury shares.


Following the above transaction, BP p.l.c. holds 1,943,904,926 ordinary shares
in Treasury, and has 19,225,336,425 ordinary shares in issue (excluding Treasury
shares).


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


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