Transaction in Own Shares

BP PLC
03 August 2006



BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 3 August 2006

BP p.l.c. announces that on 2 August 2006, it purchased 6,180,000 ordinary
shares at prices between 644.5 pence and 650.0 pence per share. The purchased
shares will all be held as Treasury shares.

BP p.l.c. also announces that on 2 August 2006 it transferred to participants in
its employee share schemes 4,283 ordinary shares at prices between 350.00 pence
and 452.0 pence. These shares were previously held as treasury shares.

Following the above transactions, BP p.l.c. holds 1,875,657,654 ordinary shares
in Treasury, and has 19,821,722,017 ordinary shares in issue (excluding Treasury
shares).

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




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