Transaction in Own Shares

BP PLC
20 April 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  20 April 2006


BP p.l.c. announces that on 19 April 2006, it purchased 2,329,854 ordinary
shares at prices between 696.50 pence and 700.00 pence per share. The purchased
shares will all be held as Treasury shares.


BP p.l.c. also announces that on 19 April 2006 it transferred to participants in
its employee share schemes 31,459 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 1,396,302,334 ordinary shares
in Treasury, and has 20,280,717,820 ordinary shares in issue (excluding Treasury
shares).


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





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