Transaction in Own Shares

BP PLC
06 July 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 6 July 2005

BP p.l.c. announces that on 5 July 2005, it purchased 7,000,000 ordinary shares
at prices between 613.50 pence and 621.00 pence per share. The purchased shares
will all be held as Treasury shares.

Following the above purchase, BP p.l.c. holds 331,863,919 ordinary shares in
Treasury, and has 21,162,063,221 ordinary shares in issue (excluding Treasury
shares).

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




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