Transaction in Own Shares

BP PLC
04 September 2007




BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  4 September 2007


BP p.l.c. announces that on 3 September 2007 it transferred to participants in
its employee share schemes 1,215,339 ordinary shares at prices between 386.0
pence and 452.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,942,464,039 ordinary shares
in Treasury, and has 19,049,739,592 ordinary shares in issue (excluding Treasury
shares).



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




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