US BioEnergy Reports Financial Results for the Second Quarter Ended June 30, 2007

Business Wire, August 13, 2007

Additional Information About the Millennium Ethanol Merger and Where to Find It

US BioEnergy and Millennium Ethanol, LLC have filed a definitive proxy statement/prospectus with the Securities and Exchange Commission (the "SEC") in connection with the proposed acquisition of Millennium Ethanol by US BioEnergy. INVESTORS ARE URGED TO READ THE PROXY STATEMENT/ PROSPECTUS AND ANY AMENDMENTS OR SUPPLEMENTS THERETO BECAUSE THEY CONTAIN IMPORTANT INFORMATION. The proxy statement/prospectus and other relevant materials and any other documents filed by US BioEnergy or Millennium Ethanol with the SEC may be obtained free of charge at the SEC's website (http://www.sec.gov). In addition, investors may obtain free copies of the proxy statement/prospectus and other relevant materials and other documents filed with the SEC by US BioEnergy by directing a request to US BioEnergy Corporation, Attention: Investor Relations, at 5500 Cenex Drive, Inver Grove Heights, Minnesota 55077, (651) 554-5491. Investors may obtain free copies of the proxy statement/prospectus and other relevant materials and other documents filed with the SEC by Millennium by directing a request to Millennium Ethanol, LLC, Attention: Steve Domm, at 44608 273rd St., Marion, South Dakota 57403, (605) 648-3941.

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