**Exhibit 10.5**Loan No. RI0340T02**CONSTRUCTION AND REVOLVING TERM LOAN SUPPLEMENT**     **THIS SUPPLEMENT**to the Master Loan Agreement dated February 17, 2006, (the “MLA”), is enteredinto as of February 17, 2006, and effective as of December 1, 2006, (the “Effective Date”) between**FARM CREDIT SERVICES OF AMERICA, FLCA**(“Farm Credit”) and **ADVANCED BIOENERGY, LLC, Fairmont,Nebraska**(the “Company”).     **SECTION 1. The Construction and Revolving Term Loan Commitment.**On the terms and conditionsset forth in the MLA and this Supplement, Farm Credit agrees to make loans to the Company from timeto time during the period set forth below in an aggregate principal amount not to exceed, at anyone time outstanding, $21,000,000.00 less the amounts scheduled to be repaid during the period setforth below in Section 6 (the “Commitment”). Requests for advances which are for the purpose ofpaying the costs to construct the ethanol plant described below shall be accompanied bydocumentation evidencing such costs. Within the limits of the Commitment, the Company may borrow,repay and reborrow.     The Company may, in its sole discretion, elect to permanently reduce the amount of the Commitmentby giving Agent (as that term is defined in the MLA) ten (10) days prior written notice. Saidelection shall be made only if the Company is not in default at the time of the election and willremain in compliance with all financial covenants after such reduction. Any such reduction shallbe treated as an early, voluntary reduction of the Commitment amount and shall not delay or reducethe amount of any scheduled Commitment reduction under Section 6 hereof (which reductions shallcontinue in the increments and on the dates determined in accordance with Section 6), but rathershall result in an earlier expiration of the Commitment and final maturity of the loans.     **SECTION 2. Purpose.**The purpose of the Commitment is to partially finance the Company’sconstruction of a 100 million gallon (annual) ethanol plant (the “Improvements”) identified in theplans and specifications provided to and approved by Agent pursuant to Section 7(A)(xi) of the MLA(as the same may be amended pursuant to Section 12(A) herein, the “Plans”), on real property ownedby the Company near Fairmont, Nebraska (the “Property”) and to provide working capital to theCompany. The Company agrees to utilize the proceeds of the Commitment for these purposes only.     **SECTION 3. Term.**The term of the Commitment shall be from the Effective Date hereof (or, ifrequested by Company, such earlier date as Agent may, in its sole discretion, authorize inwriting), up to and including March 1, 2017, or such later date as Agent may, in its solediscretion, authorize in writing.     **SECTION 4. Disbursements of Proceeds.**          **(A) Disbursement Procedures.**               **(1) Limits on Advances.**Agent shall not be required to advance funds: (i) for any categoryor line item of acquisition or construction cost an amount greater than the amount specifiedtherefor in the Project Budget (as defined in Section 7(A)(xi) of the MLA); or (ii) for anyservices not yet performed or for materials or goods not yet incorporated into the Improvements ordelivered to and properly stored on the Property. No advance hereunder shall exceed 100% of theaggregate costs actually paid or currently due and payable and represented by invoices accompanyinga Request for Construction Loan Advance submitted pursuant to Section 9(B)(1) herein less the amount of retainage(“Retainage”)
 

 
-2-Construction and Term Loan Supplement RI0340T02