Transaction in Own Shares

BP PLC
28 September 2006

BP p.l.c.  -  Transaction in Own Shares

BP p.l.c.  -  28 September 2006



BP p.l.c. announces that on 27 September 2006, it purchased for cancellation
1,650,000 ordinary shares at prices between 574.5 pence and 580.0 pence per
share.

BP p.l.c. also announces that on 27 September 2006 it transferred to
participants in its employee share schemes 146,176 ordinary shares at prices
between 350.00 pence and 511.0 pence. These shares were previously held as
treasury shares.

Following the above transaction, BP p.l.c. holds 1,947,931,905 ordinary shares
in Treasury, and has 19,833,871,002 ordinary shares in issue (excluding Treasury
shares).



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


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