Type	Name	Date
Credit agreement	Third Amendment to Credit Agreement, by and among ACF FinCo I LP, the lenders party thereto, the Company, and the other loan parties thereto	07/17/2020
Credit agreement	Second Amendment to Credit Agreement, by and among Wilmington Savings Fund Society, FSB, the lenders party thereto, and the Company	07/17/2020
Credit agreement	Bridge Term Loan Credit Agreement, by and among Wilmington Savings Fund Society, FSB, the lenders party thereto, and the Company	10/11/2018
Credit agreement	First Amendment to Credit Agreement, by and among ACF FinCo I LP, the lenders thereto, the Company, and the other loan parties thereto	10/11/2018
Credit agreement	First Amendment to Credit Agreement, by and among Wilmington Savings Fund Society, FSB, the lenders party thereto, and the Company	10/11/2018
Credit agreement	First Lien Credit Agreement, by and among ACF FinCo I, LP, the lenders party thereto, and the Company	08/11/2017
Credit agreement	Second Lien Term Loan Credit Agreement, by and among Wilmington Savings Fund Society, FSB, the lenders party thereto, and the Company	08/11/2017
Credit agreement	Term Loan Credit Agreement, by and among Wilmington Savings Fund Society, FSB, as administrative agent, the lenders identified therein, and Nuverra Environmental Solutions, Inc	04/21/2016
Indenture	Indenture, among Nuverra Environmental Solutions, Inc., Wilmington Savings Fund Society, FSB, and the Guarantors party thereto	04/21/2016
Credit agreement	Sixth Amendment to Amended and Restated Credit Agreement, by and among the Agent, the Lenders, and the Company	03/29/2016
Credit agreement	Amended and Restated Credit Agreement, by and among the Company, as borrower; Wells Fargo Bank, National Association, a national banking association, as administrative agent; Wells Fargo, Bank of America, N.A., a national banking association, and RBS Citizens, N.A., a national banking association, as joint lead arrangers; Wells Fargo, Bank of America and RBS Citizens, as joint book runners; Bank of America and RBS Citizens, as co-syndication agents; and Wells Fargo, Bank of America and Citizens Bank of Pennsylvania, as lenders	02/07/2014
Credit agreement	Amendment No. 3 to Credit Agreement	09/30/2013
Credit agreement	Credit Agreement, among the Company, as borrower, the Guarantors party thereto, Wells Fargo Bank, National Association, as administrative agent, issuing lender and swing line lender, and Wells Fargo Securities, LLC and Regions Capital Markets, as joint lead arrangers and joint bookrunners (incorporated herein by reference to to the Company's Current Report on Form 8-K filed with the SEC on April 13, 2012)	12/06/2012
Indenture	First Supplemental Indenture, between the Company and the Stage I Trustee	12/06/2012
Indenture	Indenture, by and between Rough Rider Escrow, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee	11/07/2012
Indenture	Indenture, by and among Heckmann Corporation, the Guarantors party thereto, and The Bank of New York Mellon Trust Company, N.A., as trustee	04/13/2012
Indenture	First Supplemental Indenture, by and among Heckmann Corporation, the Guarantors party thereto, and The Bank of New York Mellon Trust Company, N.A., as trustee	04/13/2012
Credit agreement	Credit Agreement by and among Heckmann Corporation, as borrower, the Guarantors named therein, Wells Fargo Bank, National Association, as administrative agent, issuing lender and swing lender, and Wells Fargo Securities, LLC and Regions Capital Markets, as joint lead arrangers and joint bookrunners	04/13/2012

Type	Name	Date
Employment agreement	AMENDMENT TO EMPLOYMENT AGREEMENT	12/17/2020
Employment agreement	AMENDMENT TO EMPLOYMENT AGREEMENT	12/17/2020
Employment agreement	Employment Agreement, between the Company and Charles K. Thompson	11/21/2018
Employment agreement	Employment Agreement, between the Company and Stacy W. Hilgendorf	11/21/2018
Equity incentive plans	Nuverra Environmental Solutions, Inc. 2017 Long Term Incentive Plan	02/23/2018
Employment agreement	Amended and Restated Employment Agreement, between Joseph M. Crabb and the Company	08/11/2017
Employment agreement	Amended and Restated Employment Agreement, by and between the Company and Mark D. Johnsrud	05/01/2017
Equity incentive plans	Second Amendment to the Nuverra Environmental Solutions 2009 Equity Incentive Plan	05/08/2014
Employment agreement	EXECUTIVE EMPLOYMENT AGREEMENT	12/06/2012
Employment agreement	EXECUTIVE EMPLOYMENT AGREEMENT	12/06/2012
Employment agreement	Executive Employment Agreement, by and between Heckmann Corporation and W. Christopher Chisholm	11/09/2011