Transaction in Own Shares

BP PLC
04 November 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 04 November 2005

BP p.l.c. announces that on 3 November 2005, it purchased 9,702,800 ordinary
shares at prices between 633.02 pence and 641.50 pence per share and between
1126.17 cents and 1145.67 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transactions, BP p.l.c. holds 813,470,440 ordinary shares in
Treasury, and has 20,823,382,861 ordinary shares in issue (excluding Treasury
shares).

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



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