Transaction in Own Shares

BP PLC
21 June 2004


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


BP p.l.c. announces that on 18 June 2004, it purchased for cancellation
6,788,773 ordinary shares at prices between
488.5 pence and 498.0 pence per share.

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




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