Transaction in Own Shares

BP PLC
19 January 2006



BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  19 January 2006


BP p.l.c. announces that on 18 January 2006, it purchased 3,300,000 ordinary
shares at prices between 658.0 pence and 663.0 pence per share. The purchased
shares will all be held as Treasury shares.


BP p.l.c. also announces that on 18 January 2006 it transferred to participants
in its employee share schemes 88,800 ordinary shares at prices between 350.00
pence and 511.00 pence. These shares were previously held as treasury shares.


Following the above transaction, BP p.l.c. holds 1,019,567,229 ordinary shares
in Treasury, and has 20,623,296,341 ordinary shares in issue (excluding Treasury
shares).


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





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