Transaction in Own Shares

BP PLC
20 July 2004


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 20 July 2004

BP p.l.c. announces that on 19 July 2004, it purchased for cancellation
2,603,706 ordinary shares at prices between 492.50 pence and 497.50 pence per
share.

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



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