Transaction in Own Shares

BP PLC
12 October 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  12 October 2006


BP p.l.c. announces that on 11 October 2006, it purchased for cancellation
8,000,000 ordinary shares at prices between 575.0 pence and 580.5 pence per
share.

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

BP p.l.c. also announces that on 11 October 2006 it transferred to participants
in its employee share schemes 58,886 ordinary shares at prices between 350.00
pence and 511.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,947,703,283 ordinary shares
in Treasury, and has 19,755,706,813 ordinary shares in issue (excluding Treasury
shares).


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


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