Transaction in Own Shares

BP PLC
07 June 2005

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

BP p.l.c.  -  7 June 2005



BP p.l.c. announces that on 6 June 2005, it purchased 4,385,000 ordinary shares
at prices between 559.50 pence and 566.00 pence per share. The purchased shares
will all be held as Treasury shares.



Following the above purchase, BP p.l.c. holds   256,293,000 ordinary shares in
Treasury, and has   21,231,816,448 ordinary shares in issue (excluding Treasury
shares).



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


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