Transaction in Own Shares

BP PLC
13 October 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 13 October 2006

BP p.l.c. announces that on 12 October 2006, it purchased for cancellation
6,000,000 ordinary shares at prices between 572.5 pence and 580.5 pence per
share.

This purchase was bought as part of the close period contract announced on the
28th September 2006.

Following the above transactions, BP p.l.c. holds 1,947,703,283 ordinary shares
in Treasury, and has 19,749,732,731 ordinary shares in issue (excluding Treasury
shares).

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



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