Transaction in Own Shares

BP PLC
28 September 2004

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  28 September 2004

BP p.l.c. announces that on 27 September 2004, it purchased for cancellation
5,202,000 ordinary shares at prices between 530.50 pence and 534.00 pence per
share.

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


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