Transaction in Own Shares

BP PLC
11 September 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 11 September 2006

BP p.l.c. announces that on 8 September 2006 it transferred to participants in
its employee share schemes 775,191 ordinary shares at prices between 350.00
pence and 511.0 pence. These shares were previously held as treasury shares.
Following the above transactions, BP p.l.c. holds 1,948,609,449 ordinary shares
in Treasury, and has 19,751,333,005 ordinary shares in issue (excluding Treasury
shares).

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




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