Item 1.01 Entry into a Material Definitive Agreement.

On July 27, 2018, Rhino Energy LLC (“Rhino Energy”), a wholly-owned subsidiary of Rhino Resource Partners LP (the “Partnership”), certain of Rhino Energy’s subsidiaries identified as Borrowers (together with Rhino Energy, the “Borrowers”), the Partnership and certain other Rhino Energy subsidiaries identified as Guarantors (together with the Partnership, the “Guarantors”), entered into a consent (the “Consent”) to the Financing Agreement (the “Financing Agreement”) originally executed on December 27, 2017 with Cortland Capital Market Services LLC, as Collateral Agent and Administrative Agent, CB Agent Services LLC, as Origination Agent and the parties identified as Lenders therein (the “Lenders”), pursuant to which the Agents and the Lenders (x) (i) consented to the Borrowers requesting a Term Loan in the aggregate principal amount of $5,000,000 (the “July 2018 Term Loan”) be made to the Borrowers pursuant to the Delayed Draw Term Loan Commitment and (ii) agreed to make the July 2018 Term Loan to the Borrowers; provided, that the failure to repay the July 2018 Term Loan on or before October 26, 2018 shall constitute an immediate Event of Default, (y) waived the requirements with respect to the sale of the shares of Mammoth Energy Securities, Inc. set forth in the Consent to the Financing Agreement, dated as of April 17, 2018 by and among the Borrowers, the Guarantors, the Lenders and the Agents and (z) waived any Event of Default that has or would otherwise arise under Section 9.01(c) of the Financing Agreement solely by reason of the Loan Parties failing to comply with the Fixed Charge Coverage Ratio covenant in Section 7.03(b) of the Financing Agreement for the fiscal quarter ending June 30, 2018.

The foregoing description is qualified in its entirety by reference to the Consent, a copy of which is attached hereto as Exhibit 10.1 and is incorporated into this Current Report on Form 8-K by reference.