Transaction in Own Shares

BP PLC
12 December 2005


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  12 December 2005


BP p.l.c. announces that on 9 December 2005, it purchased 12,626,000 ordinary
shares at prices between 640.00 pence and 646.50 pence per share and between
1116.33 cents and 1126.17 cents per share. The purchased shares will all be held
as Treasury shares.


Following the above transactions, BP p.l.c. holds 956,630,283 ordinary shares in
Treasury, and has 20,682,127,946 ordinary shares in issue (excluding Treasury
shares).


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




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