Transaction in Own Shares

BP PLC
15 January 2007


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 15 January 2007

BP p.l.c. announces that on 12 January 2007, it purchased for cancellation
2,500,000 ordinary shares at prices between 531.0 pence and 534.5 pence per
share.

Following the above transaction, BP p.l.c. holds 1,946,618,609 ordinary shares
in Treasury, and has 19,477,764,617 ordinary shares in issue (excluding Treasury
shares).

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



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