Transaction in Own Shares

BP PLC
01 March 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 1 March 2006

BP p.l.c. announces that on 28 February 2006, it purchased 8,000,000 ordinary
shares at prices between 632.00 pence and 641.50 pence per share and between
1103.33 cents and 1109.66 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,189,165,618 ordinary shares
in Treasury, and has 20,470,666,603 ordinary shares in issue (excluding Treasury
shares).

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



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