Transaction in Own Shares

BP PLC
14 June 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 14 June 2006

BP p.l.c. announces that on 13 June 2006, it purchased 9,416,200 ordinary shares
at prices between 587.0 pence and 602.0 pence per share and between 1084.83
cents and 1096.33 cents per share. The purchased shares will all be held as
Treasury shares.

Following the above transactions, BP p.l.c. holds 1,638,526,817 ordinary shares
in Treasury, and has 20,056,114,624 ordinary shares in issue (excluding Treasury
shares).

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



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