Transaction in Own Shares

BP PLC
27 June 2005

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  27 June 2005


BP p.l.c. announces that on 24 June 2005, it purchased 3,700,000 ordinary shares
at prices between 583.50 pence and 590.50 pence per share. The purchased shares
will all be held as Treasury shares.


Following the above purchase, BP p.l.c. holds  303,168,000 ordinary shares in
Treasury, and has  21,188,975,504 ordinary shares in issue (excluding Treasury
shares).


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




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