Transaction in Own Shares

BP PLC
09 October 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  9 October 2006


BP p.l.c. announces that on 6 October 2006, it purchased for cancellation
9,000,000 ordinary shares at prices between 571.5 pence and 577.0 pence per
share.

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

Following the above transaction, BP p.l.c. holds 1,947,762,169 ordinary shares
in Treasury, and has 19,776,573,192 ordinary shares in issue (excluding Treasury
shares).


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


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