Transaction in Own Shares

BP PLC
11 October 2007

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

BP p.l.c. -  11 October 2007



BP p.l.c. announces that on 10 October 2007, it purchased for cancellation
1,927,883 ordinary shares at prices between 577.50 pence and 582.75 pence per
share.



BP p.l.c. also announces that on 10 October 2007 it transferred to participants
in its employee share schemes 64,515 ordinary shares at prices between 350.00
pence and 500.00 pence. These shares were previously held as treasury shares.



Following the above transactions BP p.l.c. holds 1,941,602,088 ordinary shares
in Treasury, and has 19,007,585,725 ordinary shares in issue (excluding Treasury
shares).



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


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