Transaction in Own Shares

BP PLC
13 July 2006

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

BP p.l.c.  -  13 July 2006



BP p.l.c. announces that on 12 June 2006, it purchased 11,414,743 ordinary
shares at prices between 638.0 pence and 642.0 pence per share and between
1165.67 cents and 1176.17 cents per share. The purchased shares will all be held
as Treasury shares.

BP p.l.c. also announces that on 12 July 2006 it transferred to participants in
its employee share schemes 212 ordinary shares at prices between 386.00 pence
and 441.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,761,273,393 ordinary shares
in Treasury, and has 19,934,466,310 ordinary shares in issue (excluding Treasury
shares).



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


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