EXHIBIT C Lock-Up AgreementUS BioEnergy CORP • December 26th, 2006 • Industrial organic chemicals
SUBSCRIPTION AGREEMENTSubscription Agreement • December 26th, 2006 • US BioEnergy CORP • Industrial organic chemicals • South Dakota
THIS SUBSCRIPTION AGREEMENT is made effective this 17th day of November, 2005, by and between US BioEnergy Corporation, a South Dakota corporation (the “Company”) and CHS Inc., a Minnesota corporation (“CHS”).
EXHIBIT BShareholders’ Agreement • December 26th, 2006 • US BioEnergy CORP • Industrial organic chemicals • South Dakota
This SHAREHOLDERS’ AGREEMENT (as amended from time to time, this “Agreement”), dated as of December 20, 2006, by and between US BioEnergy Corporation, a South Dakota corporation (the “Company”), and each of the shareholders of the Company listed on the signature page hereto (together with any shareholder of the Company who subsequently becomes a party to this Agreement in accordance with the terms hereof, the “Shareholders” and each a “Shareholder”).
Exhibit A JOINT FILING AGREEMENTJoint Filing Agreement • December 26th, 2006 • US BioEnergy CORP • Industrial organic chemicals
Each of the persons named below agrees to the joint filing of a Statement on Schedule 13D (including amendments thereto) with respect to the common stock of US BioEnergy Corporation, and further agrees that this Joint Filing Agreement be included as an exhibit to such filings; provided, that, no person shall be responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.
