Transaction in Own Shares

BP PLC
05 May 2004

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  05 May 2004

BP p.l.c. announces that on 4 May 2004, it purchased for cancellation 10,398,339
ordinary shares at prices between 489.00 pence and 493.75 pence per share and
between 887.67 US cents and 896.33 US cents per share.

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


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