Transaction in Own Shares

BP PLC
16 March 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 16 March 2005


BP p.l.c. announces that on 15 March 2005, it purchased 3,400,000 ordinary
shares at prices between 563.00 pence and 567.00 pence per share. The purchased
shares will all be held as Treasury shares.


Following the above purchase, BP p.l.c. holds 93,450,000 ordinary shares in
Treasury, and has 21,388,095,779 ordinary shares in issue (excluding Treasury
shares).


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




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