Transaction in Own Shares

BP PLC
17 February 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 17 February 2006

BP p.l.c. announces that on 16 February 2006, it purchased 7,070,000 ordinary
shares at prices between 644.50 pence and 654.00 pence per share and between
1126.50 cents and 1135.83 cents per share. The purchased shares will all be held
as Treasury shares.

BP p.l.c. also announces that on 16 February 2006 it transferred to participants
in its employee share schemes 2,875,362 ordinary shares, free of charge. These
shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,135,486,516 ordinary shares
in Treasury, and has 20,517,277,110 ordinary shares in issue (excluding Treasury
shares).

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



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