Transaction in Own Shares

BP PLC
26 September 2006



BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  26 September 2006


BP p.l.c. announces that on 25 September 2006, it purchased for cancellation
10,200,000 ordinary shares at prices between 561.0 pence and 569.0 pence per
share.

Following the above transaction, BP p.l.c. holds 1,948,078,081 ordinary shares
in Treasury, and has 19,824,959,132 ordinary shares in issue (excluding Treasury
shares).

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




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