Transaction in Own Shares

BP PLC
07 October 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 07 October 2005

BP p.l.c. announces that on 6 October 2005, it purchased 6,808,000 ordinary
shares at prices between 617.00 pence and 624.00 pence per share and between
1086.2 cents and 1105.0 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above purchase, BP p.l.c. holds 677,728,481 ordinary shares in
Treasury, and has 20,958,418,615 ordinary shares in issue (excluding Treasury
shares).

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



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