Transaction in Own Shares

BP PLC
15 February 2007


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 15 February 2007

BP p.l.c. announces that on 14 February 2007, it purchased for cancellation
4,800,000 ordinary shares at prices between 533.0 pence and 536.5 pence per
share.

BP p.l.c. also announces that on 14 February 2007 it transferred to participants
in its employee share schemes 89,153 ordinary shares at prices between 326.0
pence and 511.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,944,536,120 ordinary shares
in Treasury, and has 19,394,008,220 ordinary shares in issue (excluding Treasury
shares).

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



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