Transaction in Own Shares

BP PLC
23 January 2008



BP p.l.c. -  Transaction in Own Shares

BP p.l.c. -  23 January 2008



BP p.l.c. announces that on 22 January 2008, it purchased for cancellation
1,710,000 ordinary shares at prices between 500.00 pence and 524.00 pence per
share.

Following the above transaction BP p.l.c. holds 1,939,951,078 ordinary shares in
Treasury, and has 18,898,177,882 ordinary shares in issue (excluding Treasury
shares).


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



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