NRC GROUP HOLDINGS CORP. Contracts & Agreements

Agreement and Plan of Merger by and among US Ecology, Inc., US Ecology Parent, Inc., Rooster Merger Sub, Inc., ECOL Merger Sub, Inc., and NRC Group Holdings Corp., dated as of... (Filed With SEC on June 24, 2019)

Joinder Agreement, dated as of May 10, 2019, by and among NRC US Holding Company, LLC, Sprint Energy Services, LLC, HSBC Bank USA, N.A., BNP Paribas and the Guarantors party... (Filed With SEC on May 14, 2019)

Joinder Agreement, dated as of March 15, 2019 (this Agreement), by and among Macquarie Capital Funding LLC, NRC US Holding Company, LLC, Sprint Energy Services, LLC, the... (Filed With SEC on May 7, 2019)

Form of Restricted Stock Units Agreement under the NRC Group Holdings Corp. 2018 Equity and Incentive Compensation Plan (Filed With SEC on December 21, 2018)

Form of Nonqualified Stock Option Agreement under the NRC Group Holdings Corp. 2018 Equity and Incentive Compensation Plan (Filed With SEC on December 21, 2018)

Amended and Restated Registration Rights Agreement, dated as of October 17, 2018, by and among the registrant, Hennessy Capital Partners III LLC, and certain security holders of... (Filed With SEC on October 23, 2018)

Investor Rights Agreement, dated as of October 17, 2018, by and among the registrant, JFL-NRC-SES Partners, LLC and J.F. Lehman & Company, LLC (Filed With SEC on October 23, 2018)

Lock-Up Agreement, dated as of October 17, 2018, by and between the registrant and JFL-NRC-SES Partners, LLC (Filed With SEC on October 23, 2018)

First Amendment to Purchase Agreement, dated as of July 12, 2018, by and between JFL-NRC-SES Partners, LLC and Hennessy Capital Acquisition Corp. III (amending that certain... (Filed With SEC on October 10, 2018)

Subscription Agreement, dated as of August 24, 2018, by and between Hennessy Capital Acquisition Corp. III and Cyrus Capital Partners, L.P., a Delaware limited partnership... (Filed With SEC on August 30, 2018)

Purchase Agreement, dated as of June 25, 2018, by and between Hennessy Capital Acquisition Corp. III and JFL-NRC-SES Partners, LLC (Filed With SEC on June 26, 2018)

Backstop and Subscription Agreement, dated as of June 25, 2018, by and between Hennessy Capital Acquisition Corp. III and Nomura Securities International, Inc. (including the form... (Filed With SEC on June 26, 2018)

JFL Subscription Agreement, dated as of June 25 2018, by and among Hennessy Capital Acquisition Corp. III, Hennessy Capital Partners III LLC and J.F. Lehman & Company, LLC (Filed With SEC on June 26, 2018)

Voting and Support Agreement Subscription Agreement, dated as of June 25, 2018, by and among JFL-NRC-SES Partners, LLC, Hennessy Capital Partners III LLC and the stockholders of... (Filed With SEC on June 26, 2018)

Sponsor Warrant Exchange and Share Forfeiture Agreement, dated as of June 25, 2018, by and between Hennessy Capital Partners III LLC and Hennessy Capital Acquisition Corp. III (Filed With SEC on June 26, 2018)

Form of Amended and Restated Registration Rights Agreement to be entered into by and among Hennessy Capital Acquisition Corp. III, Hennessy Capital Partners III LLC, JFL-NRC-SES... (Filed With SEC on June 26, 2018)

Form of Lock-Up Agreement to be entered into by and between Hennessy Capital Acquisition Corp. III and JFL-NRC-SES Partners, LLC (Filed With SEC on June 26, 2018)

Form of Investor Rights Agreement to be entered into by and among Hennessy Capital Acquisition Corp. III, JFL-NRC-SES Partners, LLC and J.F. Lehman & Company, LLC (Filed With SEC on June 26, 2018)

Underwriting Agreement, dated June 22, 2017, between the Company and Credit Suisse Securities (USA) LLC (Filed With SEC on June 28, 2017)

Warrant Agreement, dated June 22, 2017, between Continental Stock Transfer & Trust Company and the Company (Filed With SEC on June 28, 2017)

Investment Management Trust Account Agreement, dated June 22, 2017, between Continental Stock Transfer & Trust Company and the Company (Filed With SEC on June 28, 2017)

Registration Rights Agreement, dated June 22, 2017, among the Company and certain security holders (Filed With SEC on June 28, 2017)

Letter Agreement, dated June 22, 2017, by and between the Company and security holders and the officers and directors of the Company (Filed With SEC on June 28, 2017)

Administrative Services Agreement, dated June 22, 2017, by and between the Company and Hennessy Capital LLC (Filed With SEC on June 28, 2017)

HennessyCapital Acquisition Corp. III 22,500,000Units ($10.00per Unit) UnderwritingAgreement (Filed With SEC on June 21, 2017)

HENNESSYCAPITAL ACQUISITION CORP. III UNITSCONSISTING OF ONE SHARE OF COMMON STOCK AND THREE-QUARTERS OF ONE WARRANT TO PURCHASE ONE SHARE OF COMMON STOCK (Filed With SEC on June 21, 2017)

HENNESSYCAPITAL ACQUISITION CORP. III and CONTINENTALSTOCK TRANSFER & TRUST COMPANY WARRANTAGREEMENT Datedas of [], 2017 (Filed With SEC on June 21, 2017)

INVESTMENTMANAGEMENT TRUST AGREEMENT (Filed With SEC on June 21, 2017)

REGISTRATIONRIGHTS AGREEMENT (Filed With SEC on June 21, 2017)

THIRDAMENDED AND RESTATED SPONSOR WARRANTS PURCHASE AGREEMENT (Filed With SEC on June 21, 2017)

[Signature page follows] (Filed With SEC on June 14, 2017)

HennessyCapital Acquisition Corp. III 22,500,000 Units ($10.00 per Unit) UnderwritingAgreement (Filed With SEC on May 30, 2017)

HENNESSY CAPITAL ACQUISITION CORP. III UNITS CONSISTING OF ONE SHARE OF COMMONSTOCK AND ONE-HALF OF ONE WARRANT TO PURCHASE ONE SHARE OF COMMON STOCK (Filed With SEC on May 30, 2017)

HENNESSYCAPITAL ACQUISITION CORP. III INCORPORATEDUNDER THE LAWS OF THE STATE OF DELAWARE COMMONSTOCK (Filed With SEC on May 30, 2017)

[Form of Warrant Certificate] [FACE] (Filed With SEC on May 30, 2017)

HENNESSYCAPITAL ACQUISITION CORP. III and CONTINENTALSTOCK TRANSFER & TRUST COMPANY WARRANTAGREEMENT Datedas of [], 2017 (Filed With SEC on May 30, 2017)

PROMISSORYNOTE (Filed With SEC on May 30, 2017)

[Signaturepage follows] (Filed With SEC on May 30, 2017)

INVESTMENTMANAGEMENT TRUST AGREEMENT (Filed With SEC on May 30, 2017)

REGISTRATIONRIGHTS AGREEMENT (Filed With SEC on May 30, 2017)

Hennessy Capital AcquisitionCorp. III 3485 N. PinesWay, Suite 110 Wilson, WY 83014 (Filed With SEC on May 30, 2017)

SECOND AMENDEDAND RESTATED SPONSOR WARRANTS PURCHASE AGREEMENT (Filed With SEC on May 30, 2017)

INDEMNITY AGREEMENT (Filed With SEC on May 30, 2017)

HennessyCapital Acquisition Corp. III 3485 N. Pines Way, Suite 110 Wilson,Wyoming 83014 (Filed With SEC on May 30, 2017)

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NRC GROUP HOLDINGS CORP. Contracts & Agreements