Transaction in Own Shares

BP PLC
16 February 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  16 February 2006

BP p.l.c. announces that on 15 February 2006, it purchased 8,358,000 ordinary
shares at prices between 639.50 pence and 651.50 pence per share and between
1106.67 cents and 1140.00 cents per share. The purchased shares will all be held
as Treasury shares.

BP p.l.c. also announces that on 15 February 2006 it transferred to participants
in its employee share schemes 55,414 ordinary shares at prices between 350.00
pence and 511.00 pence. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,131,291,878 ordinary shares
in Treasury, and has 20,524,197,582 ordinary shares in issue (excluding Treasury
shares).

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


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