Document:

Second Amendment to Employment Agreement

 Exhibit 10.4 

SECOND AMENDMENT TO EMPLOYMENT AGREEMENT 

This Second Amendment to Employment Agreement (the “Amendment”) is entered into as of December 31, 2008, between L.
W. Varner, Jr. (the “Executive”), Aquilex Corporation and Welding Services, Inc. (collectively, the “Company”). 

RECITALS 

WHEREAS, on January 26, 2007, the Executive and the Company entered into an employment agreement (the “Predecessor
Employment Agreement”) which set forth the terms of the Executive’s employment with the Company; 
 WHEREAS, on
February 1, 2008, the Executive and the Company amended and restated the Predecessor Employment Agreement (the “Employment Agreement”); 

WHEREAS, Section 12.8 of the Employment Agreement provides that the Employment Agreement may be modified by a writing signed by each
of the parties thereto and in accordance therewith the Employment Agreement was amended on December 15, 2008. 

AGREEMENT 

NOW, THEREFORE, in consideration of the foregoing and the mutual agreements contained therein and intending to be legally bound hereby,
the parties hereby agree that the Employment Agreement shall be amended retroactive to January 1, 2007 to the extent necessary to give effect to this Amendment as follows: 

1. The second sentence of Section 3.5(ii) shall be amended by adding the following phrase at the end thereof: 

“; provided, that in no event shall payment thereof be made later than March 15 of the year following the
calendar year to which such individual bonus or individual incentive compensation relates.” 
 2. Notwithstanding anything
to the contrary in clause (iv) or (v) of Section 3.5 or elsewhere in the Employment Agreement, 

(i) Any reimbursements by the Company to the Executive of any eligible expenses under this Employment Agreement that are
not excludable from the Executive’s income for Federal income tax purposes (the “taxable reimbursements”) shall be made by no later than the earlier of the date on which they would be paid under the Company’s normal policies and
the last day of the taxable year of the Executive following the year in which the expense was incurred. 
 (ii)
The amount of any taxable reimbursements, and the value of any in-kind benefits to be provided to the Executive, during any taxable year of the Executive shall not affect the expenses eligible for reimbursement, or in-kind benefits to be provided,
in any other taxable year of the Executive. 

 (iii) The right to taxable reimbursement or in-kind benefits shall not be
subject to liquidation or exchange for another benefit. 
 (iv) Payment of any tax reimbursements under this
Employment Agreement must be made by no later than the end of the taxable year of the Executive following the taxable year of the Executive in which the Executive remits the related taxes. 

3. The last sentence of Section 3.7 is deleted in its entirety and the following is substituted in its place and stead: 

“The form of the release shall be signed by the Company and shall be presented to the Executive not later than 15
days following termination of employment and shall be signed by the Executive and delivered back to the Company no later than 82 days after termination of employment or else all of the severance payments and benefits under Section 3.5 shall
terminate. If the Executive’s signed release was timely delivered to the Company within such 82 day period, and provided that the release has not been previously revoked, then payment of all severance benefits under Section 3.5(i) shall
commence at the time of the first regularly scheduled payroll period 90 days after termination of employment. Provided that the release has not been previously revoked, any delayed payment or benefit (suspended during such 90 day period pursuant to
the preceding sentence) shall be paid (without interest) at the time of the first regularly scheduled payroll period next following the expiration of such 90 day period.” 

4. The following ARTICLE is added to the Employment Agreement: 

“ARTICLE 13: MISCELLANEOUS. 

13.1 It is the intention of both the Company and the Executive that the benefits and rights to which the Executive could
be entitled pursuant to this Employment Agreement comply with Section 409A of the Internal Revenue Code and the Treasury Regulations and other guidance promulgated or issued thereunder (“Section 409A”), to the extent that the
requirements of Section 409A are applicable thereto, and the provisions of this Employment Agreement shall be construed in a manner consistent with that intention. If the Executive or the Company believes, at any time, that any such benefit or
right that is subject to Section 409A does not so comply, it shall promptly advise the other and shall negotiate reasonably and in good faith to amend the terms of such benefits and rights such that they comply with Section 409A (with the
most limited possible economic effect on the Executive and on the Company). 
 13.2 If and to the extent required
to comply with Section 409A, no payment or benefit required to be paid under this Employment Agreement on account of termination of the Executive’s employment shall be made unless and until the Executive incurs a “separation from
service” within the meaning of Section 409A. 
 13.3 Neither the Company nor the Executive,
individually or in combination, may accelerate any payment or benefit that is subject to Section 409A, except in compliance with Section 409A and the provisions of this Employment Agreement, and no amount that is subject to
Section 409A shall be paid prior to the earliest date on which it may be paid without violating Section 409A. 
  

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 13.4 For purposes of applying the provisions of Section 409A to this
Employment Agreement, each separately identified amount to which the Executive is entitled under this Employment Agreement shall be treated as a separate payment. In addition, to the extent permissible under Section 409A, any series of
installment payments under this Employment Agreement shall be treated as a right to a series of separate payments.” 
 5.
Except as set forth herein, all other terms and conditions of the Employment Agreement shall remain in full force and effect. 

[signature page follows] 
  

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 IN WITNESS WHEREOF, the parties have executed this Amendment as of the date first written
above. 
  

			
	 AQUILEX CORPORATION

		
	By:	 	  

		
	Name:	 	  

		
	Title:	 	  

	
	 WELDING SERVICES, INC.

		
	By:	 	  

		
	Name:	 	  

		
	Title:	 	  

	
	 EXECUTIVE

	
	 /s/ L. W. Varner, Jr.

	L. W. Varner, Jr.

  

 4Employment Agreement

 Exhibit 10.5 

EMPLOYMENT AGREEMENT 

THIS AGREEMENT made as of February 1, 2008. 

B E T W E E N : 

AQUILEX CORP. 

hereinafter called “Employer” 

- and - 
 JAY
W. FERGUSON 
 hereinafter called the “Employee” 

WHEREAS, Employer and Employee have entered into an employment agreement, dated as of January 26, 2007 (the “Predecessor
Agreement”); 
 WHEREAS, Section 19.01 of the Predecessor Agreement provides that such agreement may be modified by a writing
signed by each of the parties thereto; 
 WHEREAS, Employer wishes to amend and restate the Predecessor Agreement and continue to employ
Employee to serve as Senior Vice President and Chief Financial Officer commencing on the date first written above, pursuant to the terms and conditions set forth herein; and 

WHEREAS, Employee wishes to accept such continued employment with Employer, and agrees to do so subject to the amended and restated terms and
conditions set forth herein. 
 NOW, THEREFORE, in consideration of the mutual promises, covenants and obligations herein, and good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Employer and Employee agree as follows: 
 ARTICLE 1:
EMPLOYMENT 
 1.01 Employee represents and warrants to Employer that he has the required skills and experience to perform the duties and
exercise the responsibilities required of Employee as Senior Vice President and Chief Financial Officer as determined by Employer. In carrying out these duties and responsibilities, Employee undertakes to comply with all lawful reasonable
instructions which he may receive from any supervisors or superiors representing Employer. To the extent requested by Welding Services, Inc., Employee agrees to serve as the Senior Vice President and Chief Financial Officer of Welding Services, Inc.
In exchange for Employee’s entry into this Agreement, Employer agrees to employ (or continue to employ) Employee. 
 1.02 Employee agrees
to comply with and be bound by the terms and conditions of this Agreement. 
 1.03 In consideration for Employee’s agreement and
Employee’s performance in accordance with this Agreement, Employer employs Employee. 

 ARTICLE 2: EMPLOYMENT LOCATION 

2.01 Employer will employ Employee in the position described in Article 1 above at Employer’s Atlanta, Georgia facility, located at
3399 Peachtree Road, Suite 325, Atlanta, Georgia 30326 (the “Employment Location”). 
 ARTICLE 3: EXCLUSIVE SERVICE 

 3.01 Unless earlier terminated pursuant to Article 15, Employee’s initial term of employment hereunder shall commence on the date
first written above and shall continue through February 1, 2010 (the “Initial Term”). Thereafter, this Agreement shall automatically renew for successive one year periods on the same terms and conditions set forth herein unless:
(a) earlier terminated or amended as provided herein or (b) either party gives written notice of non-renewal at least sixty (60) days prior to the end of the Initial Term or any renewal term of this Agreement. The Initial Term and all
renewals thereof are referred to herein as the “Term.” During such term of employment, Employee shall faithfully serve Employer and shall not, during the term, be employed or engaged in any capacity in promoting, undertaking or carrying on
any other business, without the prior written approval of Employer. Employee shall, during the period of Employee’s employment by Employer, devote Employee’s full business time, energy, attention, skills and best efforts, with undivided
loyalty, to the business and affairs of Employer. During the period of Employee’s employment, Employee may not engage, directly or indirectly, whether or not such business activity is pursued for gain, profit, or other pecuniary advantage, in
any other business, investment, or activity that (a) interferes with Employee’s performance of Employee’s duties hereunder, (b) is contrary to the interest of Employer or any of its parent companies, subsidiaries, divisions, and
affiliates, (collectively the “Aquilex Entities”), or (c) requires any significant portion of Employee’s business time. Employee further warrants that his employment with Employer under the terms and conditions set forth herein
will not violate any lawful agreement Employee previously entered into with any other employer. 
 ARTICLE 4: REMUNERATION AND BENEFITS 

 4.01 Employee will be paid an annual salary of $330,000.00. Employee’s salary will be paid in accordance with Employee’s standard
payroll practice. Employee’s base salary may be increased from time to time at the discretion of Employer. 
 4.02 During Employee’s
employment with Employer, Employee shall participate in Employer’s management incentive plan, as approved by the Board of Directors of Employer on terms and conditions substantially as set forth in Exhibit A hereto, with a target of 80% of
Employee’s salary if budgeted performance is attained and a maximum of 125% of target if above-budgeted performance is attained. The bonus will be paid within thirty (30) days of an audited closing of Employer’s books, but in no event
later than December 31 of the year following the year to which the bonus relates. 
 In the event of a “Change of Control,” if
Employee is an employee of Employer at the time of such Change of Control, Employee shall receive a single lump-sum payment of $350,000, such payment to be made within 90 days after consummation of the Change of Control, and no later than
March 15th of the year following the calendar year in which such Change of Control occurs. 
  

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For purposes of the foregoing, “Change of Control” shall mean the earliest to occur of either (A) a widely distributed sale of the common stock of Aquilex Holdings LLC in an
underwritten public offering pursuant to an effective registration statement filed with the Securities and Exchange Commission, or (B) any transaction or series of transactions (whether structured as a stock sale, merger, consolidation,
reorganization, asset sale or otherwise) which results in the sale or transfer of (i) a majority of the assets of Aquilex Holdings LLC (determined based on value) to a person or “group” (as such term is defined under
Regulation 13D under the Securities and Exchange Act of 1934 (the “Exchange Act”)) or (ii) beneficial ownership or control of a majority of the equity of Aquilex Holdings LLC to a person or a “group” (as such term is
defined under Regulation 13D under the Exchange Act), in each case, other than Harvest Partners IV, LP “Harvest”). 
 4.03 During
Employee’s employment with Employer, Employer shall (a) provide Employee a company car allowance of $1,000 per month and (b) reimburse Employee’s reasonable and documented out of pocket expenses for company car maintenance,
repair and gas in accordance with the policies established by Employer from time to time. To the extent any amounts payable under the immediately preceding sentence are taxable to Employee, Employer shall pay Employee an additional sum to place
Employee in the same after-tax position Employee would have occupied absent the taxes attributable to such amounts. 
 4.04 Employee shall be
afforded the right to participate in any and all group medical, dental or life insurance and other benefit programs including Employer’s 401(k) plan, which may be in effect during his employment. Except as specifically provided in this
Agreement, nothing in this Agreement is to be construed or interpreted to increase or alter in any way the rights, participation, coverage, or benefits under such benefit plans or programs that are provided to similarly situated employees pursuant
to the terms and conditions of such benefit plans and programs. 
 4.05 During Employee’s employment with Employer, Employee shall receive
four (4) weeks of paid vacation per year. Unused vacation time cannot be carried over into subsequent years. 
 4.06 To the fullest extent
permitted by applicable law and Employer’s articles of incorporation and by-laws, Employee shall be entitled to indemnification from the Employer for any loss, damage or claim incurred by Employee by reason of any act or omission performed or
omitted by Employee in good faith on behalf of the Employer, and in a manner reasonably believed to be within the scope of the authority conferred on Employee by this Agreement, except that Employee shall not be entitled to be indemnified in respect
of any loss, damage or claim incurred by Employee by reason of gross negligence or willful misconduct with respect to any such acts or omissions. During Employee’s employment with Employer, and while potential liability exists thereafter, the
Employer shall maintain a directors’ and officers’ liability insurance policy covering Employee in the same amount and to the same extent as the Employer covers its other officers and directors. 

ARTICLE 5: CONFIDENTIAL INFORMATION 

5.01 During the course of his employment, Employer may disclose to Employee or the Employee may learn of and about certain Trade Secrets and Confidential
Information. 
  

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 (a) “Trade Secrets” shall mean, individually or collectively, any information
regarding Employer, the Aquilex Entities, or their businesses that is proprietary, unique, not generally known by persons outside Employer, the Aquilex Entities, or their businesses, including, without limitation, technical and non-technical
information, data, formulae, programs, processes, sales and marketing data, customer information, both actual and prospective, financial data, product plans, manufacturing specifications and plans, equipment specifications and modifications,
suppliers, pricing methods and terms, and which (1) derives economic value, actual or potential, from not being generally known to, and not being readily ascertainable by proper means by other persons who can obtain economic value from its
disclosure or use; and (2) is the subject of efforts that are reasonable under the circumstances to maintain its secrecy. 

(b) “Confidential Information” shall mean information, other than Trade Secrets, that is of value to Employer and is treated as
confidential by Employer, the Aquilex Entities, or their businesses, including but not limited to, business plans, strategies, information regarding executives and employees, and information of a type described above in the definition of Trade
Secrets but which may not fall expressly within such definition and yet is treated as confidential by Employer, the Aquilex Entities, or their businesses. 

Employee agrees that such Trade Secrets and Confidential Information are the sole and exclusive property of Employer and that Employer owns all of the
rights thereto. Employee shall have the right to use such Trade Secrets and Confidential Information in connection with his duties as an employee of Employer, but solely for the benefit of Employer. 

5.02 Employee shall hold in strict confidence, and shall not use, reproduce, distribute, transmit, disclose or otherwise transfer, in any form, directly
or indirectly, or by any means, any of such Trade Secrets or Confidential Information. Upon termination of employment, whether by resignation or otherwise, Employee shall immediately return to Employer all documents, writings, sketches, drawings,
plans, specifications or any other embodiment (whether in software format, computer diskettes or otherwise) containing any information regarding Employer, including any Trade Secrets or Confidential Information, together with all copies thereof.

 5.03 Employee obligations regarding protection of Trade Secrets and Confidential Information shall remain in effect: (a) with regard to
Trade Secrets, for so long as such information shall remain Trade Secrets under applicable law; and (b) with regard to Confidential Information, until such Confidential Information is in the public domain (but only if the same becomes part of
the public domain through a means other than a disclosure prohibited hereunder). 
 5.04 Any Trade Secrets or Confidential Information developed
by Employee during his employment with Employer is hereby assigned to Employer, and if such information is deemed “contract for services work” under applicable law, it shall be owned exclusively by Employer. 

5.05 During the Employee’s employment with Employer and thereafter, the Employee shall not take any action to disparage or criticize Employer or its
affiliates, or their respective employees, officers, directors, owners or customers or to engage in any other action that injures or hinders the business relationships of Employer or its affiliates. During the Employee’s employment with
Employer and thereafter, the Employer shall not take any action to unfairly disparage or criticize Employee to any third party; provided, however, that this Section 5.05 shall

  

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not in any way preclude the Employer from managing or supervising the Employee’s performance (or from engaging in meaningful discourse relating thereto). Nothing contained in this
Section 5.05 shall preclude either party from enforcing his or its rights under this Agreement. 
 ARTICLE 6: AGREEMENT NOT TO COMPETE

 6.01 In consideration of the compensation to be paid to Employee under this Agreement, Employee acknowledges that in the course of
Employee’s employment with Employer and the Aquilex Entities he has prior to the date of the Agreement, and will during his employment, become familiar with Employer’s and the Aquilex Entities’ trade secrets, business plans and
business strategies and with other confidential business information concerning Employer and the Aquilex Entities and that Employee’s services have been and shall be of special, unique and extraordinary value to Employer and the Aquilex
Entities. In light of Employee’s value to and knowledge of Employer, its customers and its business practices, Employee agrees that, during Employee’s employment hereunder and for a period of twelve (12) months thereafter (the
“Noncompete Period”), he will not seek, accept, or hold employment in a position substantially similar to that held by Employee with Employer during the term of his employment hereunder with any corporation or other enterprise, entity or
association which is directly competitive with any business that Employer or any Aquilex Entity engages in. Employee further agrees that, during the Noncompete Period, he shall not acquire or develop any line of business, property or project that is
directly competitive with any business engaged in or planned to be engaged in by Employer or any Aquilex Entity at the time of Employee’s termination, so long as Employee had direct involvement with such business engaged in or planned to be
engaged in by Employer or any Aquilex Entity. These restrictions shall cover Employee’s activities within a 50 mile radius of Employer’s location at 3399 Peachtree Road, Atlanta, Georgia 30326. 

ARTICLE 7: AGREEMENT NOT TO SOLICIT EMPLOYEES 

7.01 Employee shall not, during his employment with Employer, or for a period of two (2) years thereafter (the “Nonsolicit Period”) solicit
or attempt to solicit any person who is, or during the one (1) year prior to Employee’s termination was, an employee of Employer or any of the Aquilex Entities, for the purpose of employing such persons for any other employer or entity
engaged in the Employer’s or the Aquilex Entities’ business (“Employer’s Business”). 
 ARTICLE 8: AGREEMENT NOT TO
SOLICIT CUSTOMERS AND CLIENTS 
 8.01 During the Nonsolicit Period, Employee agrees not to, directly or indirectly, solicit or attempt to
solicit any former or current customer or client of Employer or any of the Aquilex Entities with whom Employee had material contact during the two (2) years immediately prior to termination of employment from Employer. For purposes of the
preceding sentence, “material contact” shall mean interaction which takes place in an effort to continue and/or expand the relationship and/or service between Employer and/or any of the Aquilex Entities and its current and former customers
and clients. The prohibition contained in this Section shall apply only to actual or attempted solicitation for the purpose of marketing or selling products or services which compete with those products or services offered by Employer and/or any of
the Aquilex Entities at the termination of Employee’s employment. The parties acknowledge that the nonsolicitation 

 

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articles outlined in this Agreement are agreed to based upon consideration independent from the consideration for the noncompete article, and that the parties intend these nonsolicitation
provisions to be separate and independent agreements from the noncompete provision. The parties agree that the nonsolicitation provisions shall remain in force and effect, even if a court of law determines that other provisions of this Agreement are
unenforceable, including, but not limited to, the noncompete provision. 
 ARTICLE 9: IRREPARABLE HARM 

9.01 In the event of any breach or threatened breach of Article 5, 6, 7, or 8 of this Agreement, Employee acknowledges and agrees that Employer would
be irreparably harmed thereby and that remedies at law would be inadequate. Accordingly, Employee agrees that in such event, Employer shall be entitled to injunctive or other equitable relief to restrain or enjoin any such breach. 

ARTICLE 10: REASONABLE RESTRICTIONS 

10.01 Employee agrees that the time, territorial and other limitations in Articles 5, 6, 7 and 8 are reasonable and properly required for the
adequate protection of Employer’s Business. If anything is found unreasonable by a court of law or equity Employee agrees to be bound to any revision as the court may determine to be reasonable. If any limitation is found to be unreasonable in
any jurisdiction, Employee agrees to be bound by the limitation in any other jurisdiction. 
 ARTICLE 11: SEVERABILITY OF RESTRICTIVE
COVENANTS 
 11.01 If any provision or any part of any provisions of this Agreement is held invalid or unenforceable by any court, such
holding shall not affect the validity or enforceability of any other provisions hereof, all of which shall remain in full force and effect. Specifically, Employee agrees that if any portion, or all, of Article 5, 6, 7, or 8, is found
unreasonable by a court of law or equity, and the court finds that particular section invalid as a matter of law, he shall remain bound by the remaining such sections. Employee agrees that any ruling that Article 5, 6, 7 or 8 is
unenforceable shall not render any other such Article unenforceable. 
 ARTICLE 12: TOLLING OF RESTRICTIONS 

12.01 In the event that either party initiates litigation in an attempt to confirm or enforce its rights under this Agreement, the parties agree that the
period during which Employee is prohibited from competing with Employer or the Aquilex Entities or soliciting customers and personnel from Employer or the Aquilex Entities as described in Article 6, 7 or 8 will be tolled during the period of
time in which such litigation is pending. 
 ARTICLE 13: ARBITRATION 

13.01 The parties agree to have any and all disputes concerning this Agreement or concerning Employee’s employment with Employer resolved via
arbitration. Accordingly, the parties agree that any such dispute shall, as the sole and exclusive remedy, be submitted for resolution through binding arbitration to be held in Atlanta, Georgia, in accordance with the employment arbitration

  

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rules (except as modified below) of the American Arbitration Association. Employment-related disputes include any and all disputes related, in any manner whatsoever, to Employee’s hiring,
employment, or termination including, but not limited to, claims or charges based upon federal or state statutes, including, but not limited to, Age Discrimination in Employment, Title VII of the Civil Rights Act of 1964, as amended, and any other
civil rights statute, the Americans with Disabilities Act, Family and Medical Leave Act, Fair Labor Standards Act or other wage statutes, the WARN Act, claims based upon tort or contract laws or any other federal or state law affecting employment in
any manner whatsoever. 
 13.02 In the event that a claim is brought pursuant to any law or statute that provides for the allocation of
attorneys’ fees and/or costs, the arbitrator shall have the power to allocate attorneys’ fees and costs pursuant to the applicable law or statutes. 

13.03 Employer and Employee agree that arbitration pursuant to this Agreement shall be in accordance with the rules of the American Arbitration
Association. To the extent that any rule or provision of the American Arbitration Association differ from the terms provided herein, the terms of this agreement shall override the aforesaid rule and govern the arbitration. The parties specifically
agree that they shall share equally the costs, fees, and expenses incurred by arbitration, except in the following circumstances: 

In the event the Employee is unable to pay his share of the costs of arbitration due to financial hardship, the Employee may apply to the
AAA for “in forma pauperis” status in accordance with the criteria established by the applicable United States Circuit Court of Appeals. Alternatively, the Employee may apply to the AAA for the use of a pro bono arbitrator or
for waiver, reduction or deferral of the AAA’s fees based upon financial hardship. The AAA shall determine whether the employee qualifies for financial hardship or waiver, reduction or deferral of the AAA’s fees and costs. 

13.04 Employer and Employee agree that, in addition to the rules of the American Arbitration Association, the arbitration proceedings will be conducted
in accordance with the appropriate federal or state rules of evidence, civil procedure and appellate procedure. In cases premised on federal jurisdiction, the Federal Rules of Evidence, Federal Rules of Civil Procedure and Federal Rules of Appellate
Procedure shall apply. In cases premised on state jurisdiction, the applicable state rules of evidence, civil procedure and appellate procedure shall apply. In cases of concurrent jurisdiction, the federal rules shall apply. The arbitrator shall
write an opinion stating all findings of fact and conclusions of law with respect to the arbitration decision. Employer and Employee agree that the arbitrator’s rulings shall be appealable on the same grounds as a judgment rendered by a court
of law (“trial court”). The parties acknowledge that the arbitrator’s decision will be reviewed under the same standard of review used in reviewing a trial court’s decision and will be governed by the applicable rules of
appellate procedure referenced hereinabove. 
 13.05 The sole exception to this agreement to arbitrate involves suits brought on behalf of
Employer or Employee seeking a temporary restraining order, preliminary injunction and/or permanent injunction (“injunctive relief”) based upon violation of non-compete, and/or confidentiality, and/or non-disclosure, and/or
non-disparagement, and/or solicitation agreements, in the event there is immediate and irreparable injury, loss or damage. The parties agree that 

 

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neither shall seek monetary damages under this exception to the agreement to arbitrate. However, in the event that Employer is successful in obtaining injunctive relief as defined herein,
Employee shall be liable for payment of Employer’s attorneys’ fees, costs, and expenses incurred in connection with obtaining injunctive relief. 

13.06 This agreement to arbitrate shall be binding upon and inure to the benefit of any successor to Employer and such successor shall be deemed
substituted for Employer under the terms of this agreement. As used in this agreement to arbitrate, the term “successor” shall include any person, firm, limited liability company or other business entity, which at any time, whether by
merger, purchase or otherwise, acquires all or substantially all the assets of the business of Employer. This agreement to arbitrate also shall be binding upon and inure to the benefit of Employee, his heirs, executors and administrators.

 13.07 If any part, term or provision of this agreement to arbitrate is held to be illegal, void or unenforceable, or to be in conflict with
any law, the validity of the remaining provisions or portions of this agreement shall not be affected, and the rights of the parties shall be construed and enforced as if this agreement did not contain the particular part, term or provision held
invalid. 
  

			
	Employee’s Initials:                  	  	Employer’s Initials:                  

ARTICLE 14: EMPLOYER’S PROPERTY 

14.01 Upon termination of this agreement, for any reason or cause, Employee shall promptly return to Employer all property used by him in the performance
of his duties and all other property belonging to Employer in Employee’s possession or control. 
 ARTICLE 15: TERMINATION

 15.01 The employment of Employee under the terms and conditions of this Agreement shall automatically terminate upon the expiration of the
Term, whereupon, Employee’s employment shall be as an at-will employee. The employment of Employee hereunder and the Term may also be terminated at any time by the Employer with or without cause. 

15.02 If Employer terminates Employee’s employment without cause or if Employee terminates employment with Employee Cause, Employer will provide
Employee with severance pay consisting of (a) continued periodic payments of Employee’s base salary (as set forth in Section 4.01) for the longer of (i) twelve (12) months, or (ii) the remainder of the Term as of the
date of termination; and (b) any pro rata share (based upon the applicable period of Employee’s employment through the date of termination) of any applicable incentive bonus, payable, in either case, in accordance with Employer’s
regular payroll practices. In addition, to the extent permitted by applicable law and Employer’s insurance and benefits policies, Employer shall maintain Employee’s paid coverage for health insurance (through the payment of Employee’s
COBRA premiums; provided that Employee shall be required to pay the portion of the cost of such coverage as is paid by Employer’s actively employed employees from time to time) and other dental and life insurance benefits for the period
Employee is receiving severance pay. With respect to any such continued health insurance and other dental and life insurance benefits, 

 

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(A) such benefits shall be discontinued in the event Employee becomes eligible for similar benefits from any other employer; and (B) Employee’s period of “continuation
coverage” for purposes of Section 4980B of the Internal Revenue Code of 1986, as amended, shall be deemed to commence on the date of the Employee’s termination of employment. Employee shall notify Employer in writing of his
eligibility for any such benefits from another employer within five (5) days after such eligibility. 
 15.03 If Employer terminates
Employee’s employment for cause, if Employee terminates employment without Employee Cause (as defined below) or in the event of Employee’s death or the expiration of the Term pursuant to Employee providing Employer with notice of
non-renewal under Section 3.01, Employee shall not be entitled to severance benefits. “For cause” as used in this Article shall mean termination by Employer for any of the following: (a) Employee’s gross negligence in the
performance of the duties and services required of Employee pursuant to this Agreement; (b) Employee’s conviction of or plea of guilty or nolo contendere to a felony or Employee engaging in fraudulent or criminal activity relating to the
scope of Employee’s employment (whether or not prosecuted); (c) a material violation of Employer’s Code of Business Conduct; (d) Employee’s breach of any material provision of this Agreement, provided that Employee has
received written notice from the Employer and been afforded a reasonable opportunity (not less than thirty (30) days nor more than forty-five (45) days) to cure such breach; (e) failure to perform the duties as requested by the
Employee’s supervisor(s) or the Board of Directors of Employer after Employee has been afforded a reasonable opportunity (not less than thirty (30) days nor more than forty-five (45) days) to cure such breach; (f) the commission
of a felony or crime involving moral turpitude; or (g) conduct that brings Employer into public disgrace or disrepute in any respect. Determination as to whether or not Employer Cause exists for termination of Executive’s employment will
be made by the Board of Directors of Employer. 
 15.04 Termination by Employee for Employee Cause. “Employee Cause” shall mean a
termination of employment by Employee because of (a) the assignment to Employee of any significant duties materially inconsistent with Employee’s status as Chief Financial Officer of Employer or a substantial diminution in the nature of
Employee’s responsibilities or Employee’s status, (b) a material breach by Employer of any material provision of this Agreement, (c) a demand by Employer that Employee relocate from the Atlanta, Georgia metropolitan area or
(d) a salary reduction in any amount. In order for Employee to terminate for Employee Cause, (A) Employer must be notified by Employee in writing within ninety (90) days of the event constituting Employee Cause, (B) the event
must remain uncorrected by Employer for thirty (30) days following such notice (the “Notice Period”) and (C) such termination must occur within sixty (60) days after the expiration of the Notice Period. Notwithstanding
anything in this Agreement to the contrary, an across-the-board salary reduction similarly affecting Employee and all other executives of Employer shall not give rise to an Employee Cause. 

15.05 As a condition to the receipt of such severance benefit or such additional consideration as Employer may provide, Employer, will require Employee
to first execute a release, in the form reasonably established by Employer, releasing Employer, the Aquilex Entities, and their officers, directors, employees, successors, assigns, attorneys and agents, from any and all claims and from any and all
causes of action of any kind or character, including, but not limited to, all claims and causes of action arising out of Employee’s employment with Employer and any other Aquilex 

 

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Entities or the termination of such employment, including, but not limited to, all claims or demands for back pay, reinstatement, hire or rehire, front pay and any claim of discrimination under
federal or state law, including, but not limited to, any claims under the Age Discrimination in Employment Act of 1967, as amended; the Americans with Disabilities Act of 1990; the Fair Labor Standards Act; the Family and Medical Leave Act;
42 U.S.C. § 1981; and Title VII of the Civil Rights Act of 1964, as amended by the Civil Rights Act of 1991, or any other constitutional principle, or federal or state statute based upon discrimination. The release required by
this Section 15.05 shall be completed and be irrevocable prior to the 60th day following Employee’s termination of employment in order for Employee to be eligible to receive the benefits described in Section 15.02.
Notwithstanding anything to the contrary contained in Section 15.02, if Employee executes the release required by this Section 15.05 within 60 days following Employee’s termination of employment, payments under Section 15.02
shall commence no later than 60 days after Employee’s termination of employment and shall in no event be required to commence prior to that time; provided that, if payments are delayed under this sentence, then any such delayed payments
shall be made (without interest) at the time of the first regularly scheduled payroll period coincident with or next following the expiration of such 60-day period. 

15.06 Notwithstanding the foregoing, if, at the time of Employee’s termination of employment with Employer, Employee is a “specified
employee” within the meaning of Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”), and one or more of the payments or benefits received or to be received by Employee pursuant to this Agreement would
constitute deferred compensation within the meaning of Section 409A of the Code, then no such payment will be made under this Agreement before the date that is six months after his separation from service (within the meaning of
Section 409A of the Code) or, if earlier, his date of death. At the conclusion of such six-month period, any payments delayed pursuant to this Section 15.06 shall be made (without interest) at the time of the first regularly scheduled
payroll period coincident with or next following the expiration of such six-month period, to the extent Employee is otherwise entitled to commence receipt of such payments under this Agreement. 

15.07 Employee acknowledges that receipt and acceptance of any severance benefit shall constitute full settlement of all claims and causes of action
against Employer. 
 ARTICLE 16: SEVERABILITY 

16.01 In the event that any provision of this Agreement shall be deemed void or invalid by a court of competent jurisdiction, the remaining provisions
shall be and remain in full force and effect. 
 ARTICLE 17: WAIVER 

17.01 The waiver by either party of any breach or violation of any provision of this Agreement shall not operate or be construed as a waiver of any
subsequent breach or violation of it. 
 ARTICLE 18: ENTIRE AGREEMENT 

18.01 This Agreement constitutes the entire agreement between the parties and their respective affiliates with respect to the employment of Employee and
any and all previous agreements, written or oral, express or implied between the parties or on their behalf relating to the 
  

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employment of Employee by Employer are terminated and cancelled and each of the parties releases and forever discharges the other of and from all manner of action, causes of action, claims or
demands under or in respect of any agreement. Without limitation on the foregoing, this Agreement becomes effective as of the date first written above, and the Predecessor Agreement is confirmed to be of no further force or effect as of such date,
without the payment of any additional consideration by or to either of the parties thereto. 
 ARTICLE 19: MODIFICATION OF AGREEMENT 

 19.01 Any modification to this Agreement must be in writing and signed by the parties or it shall have no effect and shall be void.

 ARTICLE 20: GOVERNING LAW 

20.01 This Agreement shall be governed by and construed in accordance with the laws of the State of Georgia. 

ARTICLE 21: HEADINGS 
 21.01 The headings
utilized in this Agreement are for convenience only and are not to be construed in any way as additions or limitations of the covenants and agreements contained in this Agreement. 

ARTICLE 22: NOTICES 
 22.01 Any notice
required or permitted to be given to Employee shall be sufficiently given if delivered to Employee personally or if mailed by registered mail to Employee’s address last known to Employer. 

22.02 Any notice required or permitted to be given to Employer shall be sufficiently given if mailed by registered mail to Employer’s head office at
its address last known to Employee. 
 22.03 Any notice given by mail shall be deemed to have been given 48 hours after the time it is
posted. 
 ARTICLE 23: ASSIGNMENTS 

23.01 This Agreement shall be binding upon and inure to the benefit of Employer, its successors in interest, or any other person, association, or entity
which may hereafter acquire or succeed to all or substantially all of the business assets of Employer by any means, whether indirectly or directly, and whether by purchase, merger, consolidation, or otherwise. No such assignment shall relieve
Employee of any of his obligations under this Agreement. Employee’s rights and obligations under this Agreement are personal and such rights, benefits, and obligations of Employee shall not be voluntarily or involuntarily assigned, alienated,
or transferred by Employee, whether by operation of law or otherwise, without the prior written consent of Employer, other than in the case of death or permanent disability of Employee. 

 

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 23.02 Harvest Partners IV, LP, Harvest Partners IV GmbH and Co. KG and Harvest Partners V, LP shall be an
intended third party beneficiary of this Agreement. 
 ARTICLE 24: INDEPENDENT LEGAL ADVICE 

24.01 Employee acknowledges that he has read and understands this Agreement, and acknowledges that he has had the opportunity to obtain independent legal
advice with respect to it. 
 IN WITNESS WHEREOF, Employer and Employee have duly executed this Agreement in multiple
originals to be effective as of the date first above written. 
  

							
		 		 	I HAVE READ THE FOREGOING AGREEMENT AND I UNDERSTAND FULLY MY OBLIGATIONS. BY MY SIGNATURE BELOW, I BIND MYSELF TO COMPLY WITH SUCH OBLIGATIONS.	 	
			
	COMPANY:	 	EMPLOYEE:	 	
			
	AQUILEX CORP.	 	JAY W. FERGUSON	 	
			
	 By:
	 	 /s/ L.W. Varner, Jr.
	 	 /s/ Jay W. Ferguson

	 Name:
	 	 L.W. Varner, Jr.
	 		 	
				
	 Title:
	 	 President and CEO
	 		 	

  

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 Exhibit A 

Annual Incentive Bonus 

Annual incentive bonus targets will be determined as mutually agreed to by Harvest Partners, LLC and the Employee consistent with Employer’s past
calculation practices. 
 The Employee’s Annual Incentive Bonus, if any, will be paid within thirty (30) days of completion of the
Employer’s annual audit by its external accountants for such year, but in no event later than December 31 of the year following the year to which the bonus relates. 

For purposes of this Agreement, “EBITDA” shall mean the annual net income adjusted to exclude, without duplication, (a) interest expense
(net of interest income), (b) income taxes, (c) depreciation and amortization, (d) transaction fees and expenses or other one-time expenses incurred in connection with any acquisition, sale, merger, initial public offering or
secondary offering and any other income or expense item (such as, but not limited to, amortization of goodwill or the expensing of any stock or option grants, exercises or settlements) arising in connection therewith, (e) other extraordinary
gain or loss and (f) any management fees paid to Harvest Partners, Inc. EBITDA shall be determined by Parent’s Board, calculated in accordance with generally accepted accounting principles and shall be subject to (a) any adjustments
made in good faith by Parent’s Board, (b) audit or review by Parent’s external accountants and (c) approval, in good faith, by Parent’s Board. 
  

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