Transaction in Own Shares

BP PLC
27 April 2005

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

BP p.l.c.  -  27 April 2005



BP p.l.c. announces that on 26 April 2005, it purchased 2,896,000 ordinary
shares at prices between 541.00 pence and 545.50 pence per share and between
1030.33 cents and 1037.17 cents per share. The purchased shares will all be held
as Treasury shares.



Following the above purchase, BP p.l.c. holds 167,281,000 ordinary shares in
Treasury, and has 21,318,485,372 ordinary shares in issue (excluding Treasury
shares).



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


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