Transaction in Own Shares

BP PLC
23 January 2007

BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  23 January 2007


BP p.l.c. announces that on 22 January 2007, it purchased for cancellation
4,000,000 ordinary shares at prices between 542.0 pence and 548.0 pence per
share.

Following the above transaction, BP p.l.c. holds 1,946,405,810 ordinary shares
in Treasury, and has 19,462,455,489 ordinary shares in issue (excluding Treasury
shares).


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


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