Transaction in Own Shares

BP PLC
10 April 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 10 April 2006

BP p.l.c. announces that on 7 April 2006, it purchased 12,000,000 ordinary
shares at prices between 679.00 pence and 686.50 pence per share and between
1182.66 cents and 1192.83 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,368,784,855 ordinary shares
in Treasury, and has 20,301,685,659 ordinary shares in issue (excluding Treasury
shares).

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



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