Transaction in Own Shares

BP PLC
08 July 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 8 July 2005

BP p.l.c. announces that on 7 July 2005, it purchased 7,381,805 ordinary shares
at prices between 601.50 pence and 628.00 pence per share. The purchased shares
will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 341,745,724 ordinary shares in
Treasury, and has 21,152,215,262 ordinary shares in issue (excluding Treasury
shares).

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



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