Transaction in Own Shares

BP PLC
14 June 2007


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  14 June 2007


BP p.l.c. announces that on 13 June 2007, it purchased for cancellation
1,210,611 ordinary shares at prices between 566.0 pence and 572.0 pence per
share.

BP p.l.c. also announces that on 13 June 2007 it transferred to participants in
its employee share schemes 5,110 ordinary shares at prices between 350.0 pence
and 441.0 pence. These shares were previously held as treasury shares.

Following the above transaction, BP p.l.c. holds 1,943,869,922 ordinary shares
in Treasury, and has 19,149,320,845 ordinary shares in issue (excluding Treasury
shares).


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



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