Transaction in Own Shares

BP PLC
02 August 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 2 August 2006

BP p.l.c. announces that on 1 August 2006, it purchased 8,613,000 ordinary
shares at prices between 639.5 pence and 651.0 pence per share and between
1193.83 cents and 1206.00 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transactions, BP p.l.c. holds 1,869,481,937 ordinary shares
in Treasury, and has 19,827,478,009 ordinary shares in issue (excluding Treasury
shares).

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



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