Customers and Suppliers Section 4.17(a) of the Seller’s Disclosure Schedule sets forth a complete and accurate list of the current customers (other than customers of spot sales of less than one year) of the Company and its Subsidiaries (the “Company Customers”). Section 4.17(b) of the Seller’s Disclosure Schedule sets forth a complete and accurate list of each supplier (i) that constitutes a sole or primary source of supply to the Company or any of its Subsidiaries, (ii) to which the Company or its Subsidiaries made payments in excess of $100,000 during the year ended December 31, 2013, or (iii) that is otherwise material to the operation of the Company’s business (the “Company Material Suppliers”). The Company’s and its Subsidiaries’ relationships with each of the Company Customers and Company Material Suppliers are good commercial working relationships. Section 4.17(c) of the Seller’s Disclosure Schedule sets forth a list, to the Knowledge of the Seller, of each supplier (i) that constitutes a sole or primary source of supply to the Contractors with respect to the Mining Operations, (ii) to which the Contractors made payments in excess of $100,000 during the year ended December 31, 2013 with respect to the Mining Operations, or (iii) that is otherwise material to the Mining Operations (the “Contractor Material Suppliers”). Except as indicated in Section 4.17(d) of the Seller’s Disclosure Schedule, no Company Customer or Company Material Supplier has canceled, terminated or otherwise materially and adversely modified, or threatened to cancel, terminate or otherwise materially and adversely modify, its relationship with the Company or any of its Subsidiaries, and neither the Company nor any of its Subsidiaries has received notice that any Company Customer might take such action or limit its purchases from or sales to the Company or any of its Subsidiaries, either as a result of the consummation of the transactions contemplated by this Agreement and the Ancillary Agreements or otherwise. To the Knowledge of the Seller, the Contractors’ relationships with each of the Contractor Material Suppliers are good commercial working relationships. To the Knowledge of the Seller, no Contractor Material Supplier has canceled, terminated or otherwise materially and adversely modified, or threatened to cancel, terminate or otherwise materially and adversely modify, its relationship with the Contractors, and neither the Company nor any of its Subsidiaries has received notice that any Contractor Material Supplier might take such action or limit its sales to such Contractor.