Transaction in Own Shares

BP PLC
05 December 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 5 December 2005

BP p.l.c. announces that on 2 December 2005, it purchased 5,734,000 ordinary
shares at prices between 651.50 pence and 657.50 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above transactions, BP p.l.c. holds 918,764,332 ordinary shares in
Treasury, and has 20,719,511,631 ordinary shares in issue (excluding Treasury
shares).

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



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