(f) Equipment Advances.

      (i) Subject to and upon the terms and conditions of this Agreement, Bank agrees to make advances (each an “Equipment Advance” and, collectively, the “Equipment Advances”) to Borrower in two tranches, Tranche A and Tranche B. Borrower may request Equipment Advances under Tranche A at any time from the date hereof through the Tranche A Availability End Date. Borrower may request Equipment Advances under Tranche B at any time from the Tranche A Availability End Date through the Tranche B Availability End Date. The aggregate outstanding amount at any time of Tranche A Equipment Advances and Tranche B Equipment Advances shall not exceed the Maximum Equipment Line Availability. Each Equipment Advance shall not exceed 100% of the invoice amount of equipment and software approved by Bank from time to time (which Borrower shall, in any case, have purchased within 90 days of the date of the corresponding Equipment Advance), including taxes, shipping, warranty charges, freight discounts and installation expense (collectively, “Soft Costs”); provided that the aggregate amount of Equipment Advances made for Soft Costs shall not exceed 20% of the aggregate principal amount of Equipment Advances. Borrower will be allowed an initial Equipment Advance for equipment purchased no earlier than June 1, 2011, subject to the aforementioned conditions.

      (ii) Interest shall accrue from the date of each Equipment Advance at the rate specified in Section 2.3(a), and shall be payable in accordance with Section 2.3(c). Any Equipment Advances that are outstanding under Tranche A on the Tranche A Availability End Date shall be payable in 36 equal monthly installments of principal, plus all accrued interest, beginning on May 15, 2012, and continuing on the same day of each month thereafter through April 15, 2015, at which time all amounts due in connection with Tranche A Equipment Advance made under this Section 2.3(f). shall be immediately due and payable. Any Equipment Advances that are outstanding under Tranche B on the Tranche B Availability End Date shall be payable in 30 equal monthly installments of principal, plus all accrued interest, beginning on November 15, 2012, and continuing on the same day of each month thereafter through April 15, 2015, at which time all amounts due in connection with Tranche B Equipment Advance made under this Section 2.1(f) shall be immediately due and payable. Equipment Advances, once repaid, may not be reborrowed. Borrower may prepay any Equipment Advances without penalty or premium.

      (iii) When Borrower desires to obtain an Equipment Advance, Borrower shall notify Bank (which notice shall be irrevocable) by facsimile transmission to be received no later than 3:00 p.m. Central time on the day on which the Equipment Advance is to be made. Such notice shall be substantially in the form of Exhibit C . The notice shall be signed by a Responsible Officer or its designee and include a copy of the invoice for any Equipment to be financed.

     § 2.2 Interest Rates. Section 2.3 of the Original Agreement is hereby amended in its entirety to read as follows:

          (a) Interest Rates.