Transaction in Own Shares

BP PLC
20 November 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 20 November 2006

BP p.l.c. announces that on 17 November 2006, it purchased for cancellation
6,300,000 ordinary shares at prices between 580.5 pence and 591.5 pence per
share.

Following the above transaction, BP p.l.c. holds 1,947,184,507 ordinary shares
in Treasury, and has 19,581,035,563 ordinary shares in issue (excluding Treasury
shares).

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




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