On December 1, 2021, Nuverra Environmental Solutions, Inc. entered into a Third Amendment to Loan Agreement with First International Bank & Trust, a North Dakota banking corporation (the Lender), pursuant to which the Company and the Lender agreed to amend that certain Master Loan Agreement, dated November 16, 2020 (as previously amended, the Loan Agreement"), between the Company and Lender in order to (i) amend and restate the promissory note relating to the letter of credit facility (the Amended and Restated Letter of Credit Note") to extend the maturity date to November 18, 2022, (ii) amend and restated the promissory note relating to the undrawn $5.0 million operating line of credit loan (the Amended and Restated Operating LOC Note") to extend the maturity date to June 1, 2022, and (iii) permit the Company to use approximately $1.3 million of asset sale proceeds to fund specified capital expenditures relating to its solid waste landfill facility in Arnegard, North Dakota. The Third Amendment also contains customary representations and warranties from the company and is executed by each of the Company's wholly-owned guarantor subsidiaries.