Transaction in Own Shares

BP PLC
09 August 2006


BP p.l.c.  -  Transaction in Own Shares
BP p.l.c.  -  9 August 2006


BP p.l.c. announces that on 8 August 2006, it purchased 6,236,200 ordinary
shares at prices between 608.5 pence and 623.0 pence per share. The purchased
shares will all be held as Treasury shares.

Following the above transactions, BP p.l.c. holds 1,904,075,154 ordinary shares
in Treasury, and has 19,794,503,679 ordinary shares in issue (excluding Treasury
shares).


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


                      This information is provided by RNS
            The company news service from the London Stock Exchange