Transaction in Own Shares

BP PLC
15 August 2006



BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  15 August 2006


BP p.l.c. announces that on 14 August 2006, it purchased 6,000,000 ordinary
shares at prices between 612.0 pence and 620.0 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above transaction, BP p.l.c. holds 1,926,796,671 ordinary shares
in Treasury, and has 19,772,316,962 ordinary shares in issue (excluding Treasury
shares).


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



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