Transaction in Own Shares

BP PLC
14 March 2006

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  14 March 2006

BP p.l.c. announces that on 13 March 2006, it purchased 7,940,800 ordinary
shares at prices between 641.00 pence and 650.00 pence per share and between
1114.5 cents and 1127.50 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,254,049,592 ordinary shares
in Treasury, and has 20,407,313,936 ordinary shares in issue (excluding Treasury
shares).

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


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