Transaction in Own Shares

BP PLC
05 January 2007

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

BP p.l.c.  -  5 January 2007

BP p.l.c. announces that on 4 January 2007, it purchased for cancellation
5,250,000 ordinary shares at prices between 559.0 pence and 566.0 pence per
share.

Following the above transaction, BP p.l.c. holds 1,946,717,897 ordinary shares
in Treasury, and has 19,493,333,126 ordinary shares in issue (excluding Treasury
shares).

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


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