Transaction in Own Shares

BP PLC
27 October 2006


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 27 October 2006

BP p.l.c. announces that on 26 October 2006, it purchased for cancellation
6,880,000 ordinary shares at prices between 605.5 pence and 618.5 pence per
share.

Following the above transactions, BP p.l.c. holds 1,947,403,497 ordinary shares
in Treasury, and has 19,668,316,571 ordinary shares in issue (excluding Treasury
shares).

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



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