Transaction in Own Shares

BP PLC
22 November 2005



BP p.l.c.  -  Transaction in Own Shares

BP p.l.c.  -  22 November 2005


BP p.l.c. announces that on 21 November 2005, it purchased 7,141,800 ordinary
shares at prices between 646.88 pence and 656.5 pence per share and between
1117.67 cents and 1127.67 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transactions, BP p.l.c. holds 865,221,648 ordinary shares in
Treasury, and has 20,772,242,751 ordinary shares in issue (excluding Treasury
shares).


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


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