Transaction in Own Shares

BP PLC
22 September 2004


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 22 September 2004

BP p.l.c. announces that on 21 September 2004, it purchased for cancellation
11,435,000 ordinary shares at prices between 529.0 pence and 538.5 pence per
share.

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



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