Type	Name	Date
Registration rights agreement	Registration Rights Agreement, by and among U.S. Well Services, Inc. and the Purchasers party thereto	03/04/2022
Registration rights agreement	Registration Rights Agreement, by and among U.S. Well Services, Inc. and the Purchasers party thereto	06/28/2021
Credit agreement	Fourth Amendment to Senior Secured Term Loan Credit Agreement, by and among U.S. Well Services, LLC, U.S. Well Services, Inc., USWS Fleet 10, LLC, USWS Fleet 11, LLC, USWS Holdings, LLC, CLMG Corp., as administrative agent and term loan collateral agent and the lenders party thereto	11/19/2020
Credit agreement	Third Amendment to ABL Credit Agreement, by and among U.S. Well Services, LLC, U.S. Well Services, Inc., USWS Fleet 10, LLC, USWS Fleet 11, LLC, USWS Holdings, LLC, the lenders party thereto, and Bank of America, N.A., as administrative agent, lender swing line lender and letter of credit issuer	11/19/2020
Credit agreement	Second Amendment to ABL Credit Agreement, by and among U.S. Well Services, LLC, U.S. Well Services, Inc., USWS Fleet 10, LLC, USWS Fleet 11, LLC, USWS Holdings, LLC, the lenders party thereto, and Bank of America, N.A., as administrative agent, swing line lender and letter of credit issuer	08/20/2020
Registration rights agreement	Registration Rights Agreement, by and among U.S. Well Services, Inc. and the Purchasers party thereto	04/02/2020
Securities purchase agreement	Purchase Agreement, by and among U.S. Well Services, Inc. and the Purchasers party thereto	04/02/2020
Credit agreement	Second Amendment to the Senior Secured Term Loan Credit Agreement, among U.S. Well Services, LLC, U.S. Well Services, Inc., USWS Fleet 10, LLC, USWS Fleet 11, LLC, USWS Holdings LLC, CLMG Corp., as administrative agent and collateral agent, and the lender party thereto	04/02/2020
Credit agreement	First Amendment to ABL Credit Agreement, by and among U.S. Well Services, LLC, U.S. Well Services, Inc., USWS Fleet 10, LLC, USWS Fleet 11, LLC, USWS Holdings LLC, the lenders party thereto, and Bank of America, N.A., as administrative agent, lender, swing line lender and letter of credit issuer	04/02/2020
Registration rights agreement	Registration Rights Agreement, by and among U.S. Well Services, Inc. and the Purchasers party thereto	05/24/2019
Securities purchase agreement	Purchase Agreement, by and among U.S. Well Services, Inc. and the Purchasers party thereto	05/24/2019
Credit agreement	Third Amendment to Amended and Restated Senior Secured Credit Agreement, by and among U.S. Well Services, LLC, as borrower, USWS Holdings, LLC, as guarantor, U.S. Well Services, Inc., as guarantor, the lenders from time to time party thereto, and U.S. Bank National Association, as administrative agent	12/17/2018
Credit agreement	Second Lien Credit Agreement, by and among U.S. Well Services, LLC, as borrower, USWS Holdings, LLC, as guarantor, U.S. Well Services, Inc., as guarantor, the lenders from time to time party thereto, and Piper Jaffray Finance, LLC, as administrative agent	12/17/2018

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among U.S. Well Services, Inc., ProFrac Holding Corp. and Thunderclap Merger Sub I, Inc	06/27/2022