Transaction in Own Shares

BP PLC
07 April 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  7 April 2006

BP p.l.c. announces that on 6 April 2006, it purchased 8,598,444 ordinary shares
at prices between 672.00 pence and 680.00 pence per share and between 1170.83
cents and 1177.00 cents per share. The purchased shares will all be held as
Treasury shares.

Following the above transaction, BP p.l.c. holds 1,356,784,855 ordinary shares
in Treasury, and has 20,313,207,579 ordinary shares in issue (excluding Treasury
shares).

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


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