Transaction in Own Shares

BP PLC
30 November 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 30 November 2005

BP p.l.c. announces that on 29 November 2005, it purchased 7,722,000 ordinary
shares at prices between 633.0 pence and 644.5 pence per share and between
1099.17 cents and 1107.67 cents. The purchased shares will all be held as
Treasury shares.

Following the above transactions, BP p.l.c. holds 899,527,243 ordinary shares in
Treasury, and has 20,738,513,465 ordinary shares in issue (excluding Treasury
shares).

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



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