Transaction in Own Shares

BP PLC
22 June 2005

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

BP p.l.c.  -  22 June 2005



BP p.l.c. announces that on 21 June 2005, it purchased 2,790,000 ordinary shares
at prices between 586.00 pence and 593.00 pence per share. The purchased shares
will all be held as Treasury shares.



Following the above purchase, BP p.l.c. holds 292,218,000 ordinary shares in
Treasury, and has 21,198,336,793 ordinary shares in issue (excluding Treasury
shares).



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


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