Purchase of Own Securities

BP PLC
20 September 2002

BP p.l.c.  -  Purchase of Own Securities
BP p.l.c.  -  20th September 2002

BP p.l.c. announces that on 19th September 2002, it purchased for cancellation
5,233,400 ordinary shares at prices between 424.00 pence and 439.00 pence per
share and between 666.67 US cents and 678.00 US cents per share.

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

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