Document:

Form of Stock Option Award Agreement

 Exhibit 10.44 
 2000 DUN & BRADSTREET CORPORATION 
 NON-EMPLOYEE DIRECTORS’ STOCK INCENTIVE PLAN 

 STOCK OPTION AWARD 
 [GRANT DATE] 
 This STOCK OPTION AWARD (this “Award”) is being granted to [Name] (the
“Participant”) as of the [Day] day of [Month], [Year] (the “Grant Date”) by THE DUN & BRADSTREET CORPORATION (the “Company”) pursuant to the 2000 DUN &
BRADSTREET CORPORATION NON-EMPLOYEE DIRECTORS’ STOCK INCENTIVE PLAN as amended (the “Plan”). Capitalized terms not defined in this Award have the meanings ascribed to them in the Plan. 
 1. Grant of Stock Option. The Company hereby grants to the Participant pursuant to the Plan the right and option (an
“Option”) to purchase, subject to the terms of this Award and the Plan and subject to the vesting provisions of Section 3, all or any part of the aggregate of [Number of Shares] shares of the Company’s Common Stock,
par value $0.01 per share (the “Shares”), at a purchase price per Share of $[Price] (the “Option Price”). This Option is a non-qualified stock option and, accordingly, does not qualify as an incentive stock
option under Section 422 of the Code. 
 2. Term of Option. This Option shall expire on the tenth
(10) anniversary of the Grant Date (the “Expiration Date”) and must be exercised, if at all, on or before the earlier of the Expiration Date or the date on which this Option is earlier terminated in accordance with the
provisions of Section 4 of this Award. 
 3. Vesting. Except as otherwise provided herein, this Option shall vest
and become exercisable on the first anniversary of the Grant Date. This Option shall cease to vest upon the Participant’s termination of service, and may be exercised after the Participant’s date of termination only as set forth below.

 4. Termination of Service. 
 (a) Exercisability Upon Termination of Service by Death. If the Participant’s service with the Company and its Subsidiaries
terminates by reason of death after the first anniversary of the Grant Date, the unexercised portion of such Option may thereafter be exercised during the shorter of (A) the remaining term of the Option or (B) five years after the date of
death. 
 (b) Exercisability Upon Termination of Service by Disability or Retirement. If the Participant’s service
with the Company and its Subsidiaries terminates by reason of Disability or Retirement after the first anniversary of the Grant Date, the unexercised portion of the Option may thereafter be exercised during the shorter of (A) the remaining term
of the Option or (B) five years after the date of such termination of service, provided, however, that if the Participant dies within a period of five years after such termination of service, the unexercised portion of the Option
may thereafter be exercised during the shorter of (i) the remaining term of the Option or (ii) the period that is the longer of (A) five years after the date of such termination of service or (B) one year after the date of death.

 ( c) Effect of Other Termination of Service. If the Participant’s service with the Company and its Subsidiaries
terminates by reason of death, Disability or Retirement prior to the first anniversary of the Grant Date, then a pro rata portion of such Option shall immediately vest in full and may be exercised thereafter during the shorter of (A) the
remaining term of such Option or (B) five years after the date of such termination of service, for a prorated number of Shares (rounded down to the nearest whole Share) equal to (x) the number of Shares subject to such Option
multiplied by (y) a fraction the numerator of which is the number of days the Participant served on the Board subsequent to the Grant Date and the denominator of which is 365. If a Participant’s service with the Company and its
Subsidiaries terminates for any reason other than death, Disability or Retirement, the unexercised vested portion of such Option shall terminate thirty days following such termination of service. 
  

 1 

 5. Manner of Exercise. 
 (a) Option Exercise and Issuance of Shares. Until the Company determines otherwise, Option exercises and delivery of Shares will be
administered by an independent third-party broker selected from time to time by the Company. 
 (b) Limitations on
Exercise. This Option may not be exercised unless such exercise is in compliance, to the reasonable satisfaction of the Company, with all applicable laws including, without limitation, the Company’s insider trading policy. 
 (c) Tax Withholding. The Company is authorized to satisfy the minimum statutory withholding taxes (including withholding pursuant
to applicable tax equalization policies of the Company or its Affiliates) arising from the exercise of this Option by deducting from the total number of Shares that have become vested that number of Shares having a Fair Market Value equal to the
applicable amount of withholding taxes due. The Participant may elect to fully satisfy the minimum statutory withholding taxes by a payment in cash of such obligation to the Company. 
 6. Transferability of Option. This Option may be irrevocably transferred to any child, stepchild, grandchild, parent, stepparent,
grandparent, spouse, sibling, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law or sister-in-law, including adoptive relationships, of the Participant, trusts for the exclusive benefit of these persons, and any other entity
owned solely by these persons, pursuant to the Plan. An Option exercisable after the death of the Participant (or, to the extent the Board determines, an Eligible Transferee) may be executed by the legatees, personal representatives or distributees
of the Participant (or, to the extent the Board determines, the legatees, personal representatives or distributees of the Eligible Transferee). 
 7. Change in Control. The unexercised portion of this Option shall vest in full upon the occurrence of a Change in Control. 
 8. Privileges of Stock Ownership. The Participant shall not have any of the rights of a shareholder of the Company with respect to
any Shares until the Shares are issued to the Participant and no adjustment shall be made for cash distributions in respect of such Shares for which the record date is prior to the date upon which such the Participant or permitted transferee shall
become the holder of record thereof. 
 9. Entire Agreement. The Plan is incorporated herein by reference and a copy of
the Plan can be requested from the Office of the Corporate Secretary, The Dun & Bradstreet Corporation, 103 JFK Parkway, Short Hills, New Jersey 07078. The Plan and this Award constitute the entire agreement and understanding of the parties
hereto with respect to the subject matter hereof and supersede all prior understandings and agreements with respect to such subject matter. To the extent any provision of this Award is inconsistent or in conflict with any term or provision of the
Plan, the Plan shall govern. Any action taken or decision made by the Board arising out of or in connection with the construction, administration, interpretation or effect of this Award shall be within its sole and absolute discretion and shall be
final, conclusive and binding on the Participant and all persons claiming under or through the Participant. 
 10.
Successors and Assigns. This Award shall be binding upon and inure to the benefit of all successors and assigns of the Company and the Participant, including without limitation, the estate of the Participant and the executor, administrator or
trustee of such estate or any receiver or trustee in bankruptcy or representative of the Participant’s creditors. 
 11.
Severability. The terms or conditions of this Award shall be deemed severable and the invalidity or unenforceability of any term or condition hereof shall not affect the validity or enforceability of the other terms and conditions set forth
herein. 
 12. Governing Law. This Award shall be governed by the laws of the State of New York, U.S.A., without regard
to choice of laws principles thereof. 
  

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 IN WITNESS WHEREOF, this Stock Option Award has been duly executed as of the date first written above.

 THE DUN & BRADSTREET CORPORATION 
  

			
	By:	 	  

	Name:  	 	
	Title:	 	Senior Vice President, General Counsel
		 	and Corporate Secretary

  

 3Exhibit 10.1 -- Second Amended and Restated Business Loan and Security Agreement

 Exhibit 10.1 
 SECOND AMENDED AND RESTATED 
 BUSINESS LOAN AND SECURITY AGREEMENT 
 dated as of February 20, 2008 
 by and
among 
 ICF INTERNATIONAL, INC., 
 ICF CONSULTING GROUP, INC. and other 
 “Borrower” parties hereto from time to time, as Borrowers, 
 CITIZENS BANK OF PENNSYLVANIA, 
 and certain
other “Lender” parties hereto from time to time, as Lenders, 
 CITIZENS BANK OF PENNSYLVANIA, 
 as Administrative Agent 
 BANK OF AMERICA, N.A.

 as Syndication Agent 
 CITIBANK,
N.A. and SUNTRUST BANK 
 as Documentation Agents 
 and 
 RBS SECURITIES CORPORATION d/b/a RBS GREENWICH CAPITAL, 
 as Lead Arranger and Book Running Manager 

 TABLE OF CONTENTS 
  

									
	 CERTAIN DEFINITIONS
	  	1
	 INTERPRETIVE PROVISIONS
	  	14
	ARTICLE 1	 	COMMITMENT	  	15
		 	Section 1.1	 		 	Maximum Loan Amount	  	15
		 	Section 1.2	 		 	Use of Proceeds	  	15
		 	Section 1.3	 		 	Intentionally Omitted	  	15
		 	Section 1.4	 		 	Advances	  	15
		 	Section 1.5	 		 	Additional Mandatory Payments; Reduction of Commitment	  	17
		 	Section 1.6	 		 	Field Audits	  	17
		 	Section 1.7	 		 	Certain Fees	  	17
		 	Section 1.8	 		 	Increases to the Revolving Facility Commitment Amount	  	18
		 	Section 1.9	 		 	Appointment of the Primary Operating Company	  	19
		 	Section 1.10	 		 	Joinder of New Subsidiaries and Affiliates; Release of Certain Borrowers	  	19
	ARTICLE 2	 	LETTERS OF CREDIT	  	20
		 	Section 2.1	 		 	Issuance	  	20
		 	Section 2.2	 		 	Amounts Advanced Pursuant to Letters of Credit	  	20
		 	Section 2.3	 		 	Letter of Credit Fees	  	20
	ARTICLE 3	 	SECURITY	  	21
		 	Section 3.1	 		 	Security Generally	  	21
		 	Section 3.2	 		 	No Preference or Priority	  	22
	ARTICLE 4	 	CONDITIONS TO THE LENDERS’ OBLIGATIONS	  	22
		 	Section 4.1	 		 	Compliance with Law and Agreements; Third Party Consents	  	22
		 	Section 4.2	 		 	Financial Condition	  	22
		 	Section 4.3	 		 	Litigation/Bankruptcy	  	22
		 	Section 4.4	 		 	Opinion of Counsel	  	23
		 	Section 4.5	 		 	No Default	  	23
		 	Section 4.6	 		 	Documentation	  	23
		 	Section 4.7	 		 	Restatement Costs and Expenses	  	23
		 	Section 4.8	 		 	Restatement Matters	  	23
		 	Section 4.9	 		 	Security Interests	  	24
		 	Section 4.10	 		 	Insurance	  	24
		 	Section 4.11	 		 	Due Diligence/Syndication	  	24
		 	Section 4.12	 		 	Other Deliveries	  	24
	ARTICLE 5	 	REPRESENTATIONS AND WARRANTIES	  	24
		 	Section 5.1	 		 	Existence and Qualification	  	24
		 	Section 5.2	 		 	Authority; Noncontravention	  	24
		 	Section 5.3	 		 	Financial Position	  	24
		 	Section 5.4	 		 	Payment of Taxes	  	25
		 	Section 5.5	 		 	Accuracy of Submitted Information; Omissions	  	25
		 	Section 5.6	 		 	Government Contracts/Government Subcontracts	  	25
		 	Section 5.7	 		 	No Defaults or Liabilities	  	25
		 	Section 5.8	 		 	No Violations of Law	  	25
		 	Section 5.9	 		 	Litigation and Proceedings	  	25
		 	Section 5.10	 		 	Security Interest in the Collateral	  	26
		 	Section 5.11	 		 	Principal Place of Business; Location of Books and Records	  	26
		 	Section 5.12	 		 	Fiscal Year	  	26
		 	Section 5.13	 		 	Pension Plans	  	26
		 	Section 5.14	 		 	O.S.H.A., ADA and Environmental Compliance	  	27
		 	Section 5.15	 		 	Intellectual Property	  	27
		 	Section 5.16	 		 	Existing or Pending Defaults; Material Contracts	  	28
		 	Section 5.17	 		 	Leases and Real Property	  	28
		 	Section 5.18	 		 	Labor Relations	  	28
		 	Section 5.19	 		 	Assignment of Contracts	  	28

									
		 	 Section 5.20
	 		 	Contribution Agreement	  	28
		 	 Section 5.21
	 		 	Registered Names	  	28
		 	 Section 5.22
	 		 	Ownership of the Borrowers	  	28
		 	 Section 5.23
	 		 	Solvency	  	28
		 	 Section 5.24
	 		 	Foreign Assets Control Regulations, Etc.	  	29
		 	 Section 5.25
	 		 	Federal Reserve Regulations	  	29
		 	 Section 5.26
	 		 	Commercial Tort Claims	  	29
		 	 Section 5.27
	 		 	Letter of Credit Rights	  	29
		 	 Section 5.28
	 		 	Survival of Representations and Warranties	  	29
	 ARTICLE 6
	 	AFFIRMATIVE COVENANTS OF THE BORROWERS	  	29
		 	 Section 6.1
	 		 	Payment of Loan Obligations	  	29
		 	 Section 6.2
	 		 	Payment of Taxes	  	29
		 	 Section 6.3
	 		 	Delivery of Financial and Other Statements	  	29
		 	 Section 6.4
	 		 	Maintenance of Records; Review by the Administrative Agent	  	30
		 	 Section 6.5
	 		 	Maintenance of Insurance Coverage	  	30
		 	 Section 6.6
	 		 	Maintenance of Property/Collateral; Performance of Contracts	  	31
		 	 Section 6.7
	 		 	Maintenance of Existence	  	31
		 	 Section 6.8
	 		 	Maintenance of Certain Deposit Accounts with the Administrative Agent	  	31
		 	 Section 6.9
	 		 	Maintenance of Management	  	31
		 	 Section 6.10
	 		 	Disclosure of Defaults, Etc.	  	31
		 	 Section 6.11
	 		 	Security Perfection; Assignment of Claims Act; Payment of Costs	  	32
		 	 Section 6.12
	 		 	Defense of Title to Collateral	  	32
		 	 Section 6.13
	 		 	Compliance with Law	  	32
		 	 Section 6.14
	 		 	Other Collateral Covenants	  	33
		 	 Section 6.15
	 		 	Financial Covenants of the Borrowers	  	34
		 	 Section 6.16
	 		 	Intentionally Omitted	  	34
		 	 Section 6.17
	 		 	Landlord Waivers; Subordination	  	34
		 	 Section 6.18
	 		 	Substitute Notes	  	34
	 ARTICLE 7
	 	NEGATIVE COVENANTS OF THE BORROWERS	  	34
		 	 Section 7.1
	 		 	Change of Control; Disposition of Assets; Merger	  	34
		 	 Section 7.2
	 		 	Margin Stocks	  	36
		 	 Section 7.3
	 		 	Change of Operations	  	36
		 	 Section 7.4
	 		 	Judgments; Attachments	  	36
		 	 Section 7.5
	 		 	Further Assignments; Performance and Modification of Contracts; etc.	  	36
		 	 Section 7.6
	 		 	Affect Rights of the Administrative Agent or Lenders	  	37
		 	 Section 7.7
	 		 	Indebtedness; Granting of Security Interests	  	37
		 	 Section 7.8
	 		 	Dividends; Loans; Advances; Investments and Similar Events	  	37
		 	 Section 7.9
	 		 	Lease Obligations	  	39
		 	 Section 7.11
	 		 	Lockbox Deposits	  	39
		 	 Section 7.12
	 		 	Sale and Leaseback Transactions; Other Agreements	  	39
		 	 Section 7.14
	 		 	Anti-Terrorism Laws	  	39
		 	 Section 7.16
	 		 	Capital Expenditures	  	39
	 ARTICLE 8
	 	COLLATERAL ACCOUNT	  	39
	 ARTICLE 9
	 	DEFAULT AND REMEDIES	  	40
		 	 Section 9.1
	 		 	Events of Default	  	40
		 	 Section 9.2
	 		 	Remedies	  	42
	 ARTICLE 10
	 	THE ADMINISTRATIVE AGENT; AGENCY	  	43
		 	 Section 10.1
	 		 	Appointment	  	43
		 	 Section 10.2
	 		 	General Nature of Administrative Agent’s Duties	  	43
		 	 Section 10.3
	 		 	Exercise of Powers	  	44
		 	 Section 10.4
	 		 	General Exculpatory Provisions	  	44
		 	 Section 10.5
	 		 	Administration by the Administrative Agent	  	45
		 	 Section 10.6
	 		 	Lenders Not Relying on the Administrative Agent or Other Lenders	  	45
		 	 Section 10.7
	 		 	Indemnification	  	46
		 	 Section 10.8
	 		 	Administrative Agent in its Individual Capacity; Administrative Agent’s Commitment	  	46

  

 ii 

									
		 	Section 10.9	 		 	Holders of Notes	  	46
		 	Section 10.10	 		 	Successor Administrative Agent	  	46
		 	Section 10.11	 		 	Additional Agents	  	47
		 	Section 10.12	 		 	Calculations	  	47
		 	Section 10.13	 		 	Funding by the Administrative Agent	  	47
		 	Section 10.14	 		 	Benefit of Article	  	49
		 	Section 10.15	 		 	Field Audits and Examination Reports; Confidentiality; Disclaimers by Lenders; Other Reports and Information	  	49
	ARTICLE 11	 	CERTAIN ADDITIONAL RIGHTS AND	  	50
		 	Section 11.1	 		 	Power of Attorney	  	50
		 	Section 11.2	 		 	Lockbox	  	50
		 	Section 11.3	 		 	Other Agreements	  	51
	ARTICLE 12	 	MISCELLANEOUS	  	51
		 	Section 12.1	 		 	Remedies Cumulative	  	51
		 	Section 12.2	 		 	Waiver	  	51
		 	Section 12.3	 		 	Notices	  	51
		 	Section 12.4	 		 	Entire Agreement	  	53
		 	Section 12.5	 		 	Relationship of the Parties	  	53
		 	Section 12.6	 		 	Waiver of Jury Trial and Certain Damages	  	53
		 	Section 12.7	 		 	Submission to Jurisdiction; Service of Process; Venue	  	53
		 	Section 12.8	 		 	Changes in Capital Requirements	  	54
		 	Section 12.9	 		 	Other Agents, Arrangers, Managers	  	54
		 	Section 12.10	 		 	Modification and Waiver	  	54
		 	Section 12.11	 		 	Transferability	  	54
		 	Section 12.12	 		 	Governing Law; Binding Effect	  	56
		 	Section 12.13	 		 	Gender; Number	  	56
		 	Section 12.14	 		 	Joint and Several Liability	  	56
		 	Section 12.15	 		 	Materiality	  	56
		 	Section 12.16	 		 	Reliance on the Administrative Agent	  	56
		 	Section 12.17	 		 	The Patriot Act	  	56
		 	Section 12.18	 		 	Counterparts	  	56
		 	Section 12.19	 		 	Taxes	  	56

  

 iii 

			
	 EXHIBITS

		
	Exhibit 1	  	Request for Advance and Certification
	Exhibit 1(a)	  	Request for Swing Line Loan Advance
	Exhibit 2	  	LIBOR Election Form and Certification
	Exhibit 3	  	LIBOR Interest Election Procedure and Requirements
	Exhibit 4	  	[Intentionally Omitted]
	Exhibit 5	  	Quarterly Covenant Compliance/Non-Default Certificate
	Exhibit 6	  	Form of Joinder Agreement
	Exhibit 7	  	Pricing Grid
	Exhibit 8	  	Form of Assignment and Acceptance Agreement
	Exhibit 9	  	Joinder Waivers & Foreign Borrower Exclusion Requirements and Procedures
	Exhibit 10	  	Incremental Revolving Facility Assumption Agreement
	Exhibit 11	  	Authorization
		
	SCHEDULES	  	
		
	Schedule A	  	Borrowers
	Schedule A-1	  	Foreign Borrowers
	Schedule B	  	Permitted Foreign Bank Accounts
	Schedule 1	  	Lender Commitments/Percentages
	Schedule 2	  	Principal Places of Business/Books and Records Location(s)
	Schedule 5.2	  	Conflicts
	Schedule 5.3	  	Financial Statements
	Schedule 5.6(a)	  	Default under Government Contracts
	Schedule 5.6(b)	  	Government Contracts Constituting Material Contracts
	Schedule 5.9	  	Litigation and Proceedings
	Schedule 5.11	  	Primary U.S. Business Locations
	Schedule 5.13(a)	  	Under Funded Pension Plans
	Schedule 5.13(b)	  	Non-Exempt ERISA Transactions
	Schedule 5.13(c)	  	Terminated Pension Plans
	Schedule 5.15 (a)	  	Intellectual Property
	Schedule 5.15(b)	  	Intellectual Property Royalty Payments
	Schedule 5.18	  	Labor Agreements
	Schedule 5.22(a)	  	Borrower Ownership
	Schedule 5.22(b)	  	Minority Shareholders
	Schedule 5.26	  	Commercial Tort Claims
	Schedule 5.27	  	Letter of Credit Rights
	Schedule 7.7(a)	  	Existing Indebtedness
	Schedule 7.7(c)	  	Liens Securing Existing Indebtedness
	Schedule 7.8(c)	  	Existing Loans, Advances and/or Investments (to non-Borrowers)

 SECOND AMENDED AND RESTATED BUSINESS LOAN AND SECURITY AGREEMENT 
 THIS SECOND AMENDED AND RESTATED BUSINESS LOAN AND SECURITY AGREEMENT is executed as of February 20, 2008, and is by and among
(i) CITIZENS BANK OF PENNSYLVANIA, a Pennsylvania state chartered bank, acting in the capacity of Lender, Swing Line Lender and as Administrative Agent for the Lenders; (ii) certain other “Lender” parties to this Second Amended
and Restated Business Loan and Security Agreement from time to time; (iii) ICF INTERNATIONAL, INC., a Delaware corporation, ICF CONSULTING GROUP, INC., a Delaware corporation and certain other “Borrower” parties to this Second Amended
and Restated Business Loan and Security Agreement from time to time; and (iv) RBS SECURITIES CORPORATION d/b/a RBS GREENWICH CAPITAL, as sole and exclusive lead arranger and sole and exclusive book running manager. 
 W I T N E S S E T H   T H A T: 

 WHEREAS, pursuant to a certain Amended and Restated Business Loan and Security Agreement dated as of October 5, 2005
(as heretofore amended, modified or restated from time to time, the “Existing Loan Agreement”) by and among certain of the Borrowers, the Administrative Agent and certain of the Lenders, certain of the Borrowers obtained loans and certain
other financial accommodations (collectively, the “Existing Loan”) from certain of the Lenders in the original aggregate maximum principal amount of Seventy-five Million and No/100 Dollars ($75,000,000.00); and 
 WHEREAS, pursuant to various modifications and amendments to the Existing Loan Agreement, the Existing Loan was increased to an aggregate
maximum principal amount of One Hundred Twenty-five Million and No/100 Dollars ($125,000,000.00); and 
 WHEREAS, the
Borrowers, the Administrative Agent and the Lenders have agreed to further increase the maximum principal amount of the Existing Loan from One Hundred Twenty-five Million and No/100 Dollars ($125,000,000.00) to Two Hundred Seventy-five Million and
No/100 Dollars ($275,000,000.00), subject to further increase (or reduction) as specified herein, and amend and restate the Existing Loan Agreement, in its entirety, as hereinafter provided. 
 NOW, THEREFORE, in consideration of the mutual covenants and agreements herein contained, Ten Dollars ($10.00) and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree, represent and warrant as follows: 
 CERTAIN DEFINITIONS 
 For the purposes of this Second Amended and Restated Business Loan and Security Agreement, the
terms set forth below shall have the following definitions: 
 “Account Debtor” shall mean any Person who is indebted to one
(1) or more of the Borrowers for the payment of any Receivable. 
 “Accounts” shall have the meaning attributed to such
term by the UCC, and shall include any and all of the following, whether now or hereafter existing: (a) all accounts receivable, other receivables, book debts and other forms of obligations (including any such obligations that may be
characterized as an account or contract right under the UCC, but excluding forms of obligations evidenced by Chattel Paper, or Instruments), (b) all rights in, to and under all purchase orders or receipts for goods or services, (c) all
rights to any goods represented by any of the foregoing (including unpaid sellers’ rights of rescission, replevin, reclamation and stoppage in transit and rights to returned, reclaimed or repossessed goods), (d) all rights to payment due
for property sold, leased, licensed, assigned or otherwise disposed of, for a policy of insurance issued or to be issued, for a secondary obligation incurred or to be incurred, for energy provided or to be provided, for the use or hire of a vessel
under a charter or other contract, arising out of the use of a credit card or charge card, or for services rendered or to be rendered in connection with any other transaction (whether or not yet earned by performance), (e) all “health care
insurance receivables”, as such term is defined in the UCC and (f) all collateral security of any kind, given by any Person with respect to any of the foregoing. 

 “ADA” shall have the meaning attributed to such term in Section 5.14(a) of this
Agreement. 
 “Additional Equity Stock” shall mean the shares of either treasury stock or newly issued preferred stock,
common stock or other equity interests (including options, warrants or rights to purchase) of any Borrower issued to any Person on or after the Restatement Date. 
 “Additional Base Rate Interest Margin” shall have the meaning attributed to such term in the Notes and in Exhibit 7 attached to this Agreement. 
 “Additional Libor Interest Margin” shall have the meaning attributed to such term in the Notes and in Exhibit 7
attached to this Agreement. 
 “Administrative Agent” shall mean Citizens Bank or any of its affiliates, acting in its
capacity as agent for the Lenders, or any successor Agent appointed pursuant to Section 10.10 of this Agreement. 
 “Administrative Agent’s Commitment” shall have the meaning attributed to such term in Section 10.8(b) of this Agreement. 
 “Affiliate” shall mean, as to any Person, any other Person which, directly or indirectly, is in control of, is controlled by or is under common control with such Person, or which owns, directly or
indirectly, five percent (5%) or more of the outstanding equity interests of any Person. 
 “Affirmative Covenant”
shall mean any affirmative or similar covenant made by the Borrowers set forth in this Agreement or in any other Loan Document. 
 “Agreement” or “Loan Agreement” shall mean this Second Amended and Restated Business Loan and Security Agreement, together with the schedules and exhibits attached hereto and any and all amendments or
modifications of this Second Amended and Restated Business Loan and Security Agreement or the schedules and exhibits attached hereto. 
 “Annual Excess Cash Limitation” shall mean One Million and No/100 Dollars ($1,000,000.00). 
 “Applicable
Interest Rate” shall mean, as applicable and as of any particular date of determination, (i) the LIBOR Lending Rate, plus the applicable Additional Libor Interest Margin, (ii) the Base Rate, plus the applicable Additional Base
Rate Interest Margin or (iii) the Swing Line Rate, plus the applicable Additional Libor Interest Margin, as more particularly set forth in the Notes. 
 “Applicable Laws” shall mean any and all federal, state or local laws, ordinances, statutes, rules or regulations to which any Borrower or the property of any Borrower is subject, whether domestic or
international. 
 “Approved ESOP” shall have the meaning attributed to such term in Section 7.1(b) of this Agreement.

 “Approved ESPP” shall have the meaning attributed to such term in Section 7.1(b) of this Agreement. 
 “Authorization” shall mean a written authorization in the form attached hereto as Exhibit 11. 
 “Base Rate” shall mean the higher of the (i) Federal Funds Rate, plus one-half of one percent (0.50%) or (ii) Prime Rate.

 “Blocked Person” shall mean any Person described in Section 1 of the Anti-Terrorism Order (Executive Order
No. 13224). 
 “Board” shall mean the Board of Governors of the Federal Reserve System. 
  

 2 

 “Borrower” and “Borrowers” shall mean, individually or collectively, as
the context may require, one or more of the following entities: the Parent Company, the Primary Operating Company, the entities listed on Schedule A hereto, and each other entity which, as of any date of determination, is a
“Borrower” party to this Agreement and the other Loan Documents. 
 “Business Day” shall mean (a) any day
which is neither a Saturday or Sunday nor a legal holiday or a day on which commercial banks are authorized or required to be closed in the Commonwealth of Virginia or New York City; (b) when such term is used to describe a day on which a
borrowing, payment, prepaying, or repaying is to be made in respect of any LIBOR Rate Loan, any day which is: (i) neither a Saturday or Sunday nor a legal holiday on which commercial banks are authorized or required to be closed in New York
City; and (ii) a London Banking Day; and (c) when such term is used to describe a day on which an interest rate determination is to be made in respect of any LIBOR Rate Loan, any day which is a London Banking Day. 
 “Capital Lease Obligations” of any Person shall mean all obligations of such Person to pay rent or other amounts under any lease of (or
other arrangement conveying the right to use) real or personal property, or a combination thereof, which obligations are required to be classified and accounted for as capital leases on a balance sheet of such Person under GAAP, and the amount of
such obligations shall be the capitalized amount thereof determined in accordance with GAAP. 
 “CERCLA” shall mean
the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended (42 U.S.C. Sections 9601 et seq.). 
 “Chattel Paper” shall have the meaning attributed to such term by the UCC, and shall include “electronic chattel paper” and “tangible chattel paper”, as such terms are defined in the UCC, whether now or
hereafter existing. 
 “Citizens Bank” shall mean Citizens Bank of Pennsylvania, a Pennsylvania state chartered bank, acting
individually, together with its successors and assigns. 
 “Collateral” shall have the meaning attributed to such term in
Section 3.1 of this Agreement. 
 “Collateral Account” shall have the meaning attributed to such term in Article 8 of
this Agreement. 
 “Commercial Contract” shall mean any written contract to which a Borrower is a party (other than a
Government Contract or Government Subcontract) which gives rise or may give rise to Receivables. 
 “Commercial Tort Claims”
shall have the meaning attributed to such term by the UCC, and shall include any and all claims now existing or hereafter arising in tort with respect to which (a) the claimant is an organization, or (b) the claimant is an individual and
the claim (i) arose in the course of the claimant’s business or profession, and (ii) does not include damages arising out of personal injury to or death of any individual. 
 “Commitment Amount” shall mean Two Hundred Seventy-five Million and No/100 Dollars ($275,000,000.00); provided, however, that for
purposes of making any calculation under this Agreement, the term “Commitment Amount” shall mean, as of any date of determination, an amount equal to the sum of the Revolving Commitment Amount, plus the aggregate amount of all Incremental
Revolving Facility Commitments established prior to and remaining in effect as of such date of determination. 
 “Contribution
Agreement” shall mean that certain Second Amended and Restated Contribution Agreement of even date herewith, by and among the Borrowers, and delivered by the Borrowers to the Administrative Agent prior to or simultaneously with their
execution and delivery of this Agreement or a Joinder Agreement (as the case may be), together with any and all Administrative Agent-approved amendments and modifications thereof. 
 “Deposit Accounts” shall have the meaning attributed to such term by the UCC, and shall include any and all demand, time, savings,
passbook or similar account(s) from time to time established and maintained with a bank. 
  

 3 

 “Documents” shall have the meaning attributed to such term by the UCC, and shall include
any and all documents of any type and nature, whether now or hereafter existing. 
 “e-mail” shall have the meaning
attributed to such term in Section 12.3 of this Agreement. 
 “EBITDA” shall mean, with respect to the Borrowers for
any period of determination, the sum of net income, plus interest expense, plus federal, state and local income taxes, plus depreciation expense, plus amortization expense, plus any and all Administrative
Agent-approved non-cash, non-recurring charges against income, plus any and all non-cash charges related to stock and stock-option compensation, minus any non-cash gain (to the extent included in determining net income), and
plus Administrative Agent-approved transaction expenses incurred by any Borrower during such period, all as determined on a consolidated basis in accordance with GAAP. Additionally, EBITDA shall be adjusted on a pro forma basis, in a manner
reasonably acceptable to the Administrative Agent, to include, as of the first day of any applicable period, any acquisitions and dispositions of assets permitted hereunder or pursuant hereto, including, without limitation, adjustments reflecting
any and all non-recurring costs and extraordinary expenses of any such permitted acquisitions and asset dispositions consummated during such period, calculated on a basis consistent with GAAP and Regulations S-X of the SEC Act, or as approved by the
Administrative Agent. 
 “Eligible Assignee” shall mean any Lender, an Affiliate of any Lender, a Federal Reserve Bank or
any other “Qualified Institutional Buyer”, as such term is defined under Rule 144(A), promulgated under the Securities Act of 1933, as amended. 
 “Equipment” shall have the meaning attributed to such term by the UCC, and shall include any and all of the following, whether now or hereafter existing: machinery and equipment, including processing
equipment, conveyors, machine tools, data processing and computer equipment, including embedded software and peripheral equipment and all engineering, processing and manufacturing equipment, office machinery, furniture, materials handling equipment,
tools, attachments, accessories, automotive equipment, trailers, trucks, forklifts, molds, dies, stamps, motor vehicles, rolling stock and other equipment of every kind and nature, trade fixtures and fixtures not forming a part of real property,
together with all additions and accessions thereto, replacements therefor, all parts therefor, all substitutes for any of the foregoing, fuel therefor, and all manuals, drawings, instructions, warranties and rights with respect thereto, and all
products and proceeds thereof and condemnation awards and insurance proceeds with respect thereto. 
 “ERISA” shall
have the meaning attributed to such term in Section 5.13(a) of this Agreement. 
 “ERISA Affiliate” shall mean with
respect to any Borrower, any Person which, together with such Borrower, is under common control, constitutes a member of such Borrower’s controlled group, constitutes a member of such Borrower’s affiliated service group and/or is otherwise
required to be treated as a single employer with such Borrower pursuant to Sections 4001(a)(14) and/or (b) of ERISA and/or Sections 414(b), (c), (m) or (o) of the Internal Revenue Code of 1986, as amended. 
 “Event of Default” shall have the meaning attributed to such term in Section 9.1 of this Agreement. 
 “Excess Cash Event” shall mean (i) any sale or disposition of any of the assets of any Borrower which is (a) not in the
ordinary course of business; or (b) prohibited by the terms of this Agreement; (ii) the issuance by any Borrower after the date of this Agreement of debt securities or other debt obligations (other than in connection with debt expressly
permitted pursuant to Section 7.7(a) of this Agreement); (iii) the receipt by or on behalf of any Borrower of insurance proceeds (other than insurance recoveries for business interruption loss, workers compensation or damage to tangible
property, which (a) with respect to any of the foregoing insurance losses, do not exceed Five Hundred Thousand and No/100 Dollars ($500,000.00), individually or in the aggregate, and (b) with respect to insurance recoveries for damage(s)
to tangible property, are promptly applied toward repair or replacement of the damaged property); (iv) the reversion of any pension plan assets; and/or (v) any other extraordinary cash event resulting in excess cash to a Borrower,
including, without limitation, cash proceeds resulting from the issuance of additional equity interests or capital stock by a Borrower (other than the issuance of additional equity interests or capital stock by a Borrower pursuant to an Approved
ESOP or an Approved ESPP). 
 “Existing Loan” shall have the meaning attributed to such term in the recitals to this
Agreement. 
  

 4 

 “Existing Loan Agreement” shall have the meaning attributed to such term in the recitals
to this Agreement. 
 “Facility” or “Facilities” shall mean the Revolving Facility and/or the Swing Line
Facility, individually or collectively, as the context may require. 
 “Federal Funds Rate” shall mean, for any day, the
rate per annum (rounded upward to the nearest 1/8 of 1%) determined by the Administrative Agent to be the rate per annum announced by the Federal Reserve Bank of New York (or any successor) on such day as being the weighted average of the rates on
overnight Federal Funds transactions arranged by Federal Funds brokers on the previous trading day, as computed and announced by such Federal Reserve Bank (or any successor) in substantially the same manner as such Federal Reserve Bank computes and
announces the weighted average it refers to as the “Federal Funds Effective Rate” as of the date of this Agreement; provided that if such Federal Reserve Bank (or its successor) does not announce such rate on any day, the
“Federal Funds Effective Rate” for such day shall be the Federal Funds Rate for the last day on which such rate was announced. 
 “Financial Product Provider” shall mean any Lender party to this Agreement who, as of any applicable date of determination, is owed Permitted Financial Product Obligations. 
 “Fiscal Quarter” shall mean any quarterly period designated by the Borrowers as a fiscal quarter for financial accounting purposes.

 “Fiscal Year” shall mean any annual period designated by the Borrowers as a fiscal year for financial accounting
purposes. 
 “Fixed Charge Coverage Ratio” shall have the meaning attributed to such term in Section 6.15(a) of this
Agreement. 
 “Foreign Borrower” and “Foreign Borrowers” shall mean, as of any date of determination and
individually or collectively (as the context may require), each and all of the Borrowers listed on Schedule A-1 hereto, and any other Borrower not incorporated, formed or organized within the United States. 
 “GAAP” shall mean generally accepted accounting principles. 
 “General Intangibles” shall have the meaning attributed to such term by the UCC, and shall include any and all of the following, whether
now or hereafter existing: all right, title and interest in, to or under any contract, all “payment intangibles”, as such term is defined by the UCC, customer lists, licenses, copyrights, trademarks, patents, and all applications therefor
and reissues, extensions or renewals thereof, rights in intellectual property, interests in partnerships, joint ventures and other business associations, licenses, permits, copyrights, trade secrets, proprietary or confidential information,
inventions (whether or not patented or patentable), technical information, procedures, designs, knowledge, know how, software, data bases, data, skill, expertise, experience, processes, models, drawings, materials and records, goodwill (including
the goodwill associated with any trademark or trademark license), all rights and claims in, to or under insurance policies (including insurance for fire, damage, loss and casualty, whether covering personal property, real property, tangible rights
or intangible rights, all liability, life, key man and business interruption insurance, and all unearned premiums), uncertificated securities, choses in action, deposit, checking and other bank accounts, rights to receive tax refunds and other
payments, rights to receive dividends, distributions, cash, Instruments and other property in respect of or in exchange for pledged stock and investment property, rights of indemnification, all books and records, correspondence, credit files,
invoices and other papers, including without limitation all tapes, cards, computer runs and other papers and documents. 
 “Goods” shall have the meaning attributed to such term by the UCC, and shall include any and all Goods whether now or hereafter existing. 
 “Government” shall mean the United States government, any state government, any local government, any department, instrumentality or any agency of the United States government, any state government or
any local government. 
  

 5 

 “Government Contract Assignments” shall have the meaning attributed to such term in
Section 6.11 of this Agreement. 
 “Government Contract” and “Government Contracts” shall mean,
individually or collectively as the context may require, (i) written contracts between any Borrower and the Government; and (ii) written subcontracts between any Borrower and a Prime Contractor who is providing goods or services to the
Government pursuant to a written contract with the Government (a “Government Subcontract”), provided that the subcontract relates only to goods or services being provided to the Government pursuant to the Government Subcontract.

 “Government Subcontract” shall have the meaning attributed to such term under the definition of “Government
Contract”. 
 “Hazardous Substance” shall mean, without limitation, any flammable explosives, radon, radioactive
materials, asbestos, urea formaldehyde foam insulation, polychlorinated biphenyls, petroleum and petroleum products, methane, hazardous materials, hazardous wastes, hazardous or toxic substances, pollutants or contaminants as defined in CERCLA,
HMTA, RCRA or any other applicable environmental law, rule, order or regulation. 
 “Hazardous Wastes” shall mean, without
limitation, all waste materials subject to regulation under CERCLA, RCRA or analogous state law, and/or any other applicable Federal and/or state law now in force or hereafter enacted relating to hazardous waste treatment or disposal. 
 “Hedging Contracts” shall mean interest rate swap agreements (as defined in 11 U.S.C. Section 101), interest rate cap agreements
and interest rate collar agreements, or any other agreements or arrangements entered into between any Borrower and the Administrative Agent or a Lender from time to time and designed to protect such Borrower against fluctuations in interest rates or
currency exchange rates. 
 “Hedging Obligations” shall mean all present and future liabilities, repayment
obligations and other obligations of any and all of the Borrowers to the Administrative Agent or a Lender under Hedging Contracts. 
 “HMTA” shall mean the Hazardous Materials Transportation Act, as amended (49 U.S.C. Sections 1801 et seq.). 
 “ICF India” shall have the meaning attributed to such term in Section 1.10(b) of this Agreement. 
 “Incremental Revolving Facility Assumption Agreement” shall mean an Incremental Revolving Facility Assumption Agreement in the form and substance attached as Exhibit 10 hereto. 
 “Incremental Revolving Facility Commitment” shall mean the commitment of any Lender, established pursuant to Section 1.8 of this
Agreement, to make additional Revolving Loans available to the Borrowers. 
 “Incremental Revolving Facility Commitment
Amount” shall mean, as of any date of determination, (a) with respect to any Incremental Revolving Facility Lender, the aggregate maximum amount of all Incremental Revolving Facility Commitments of such Incremental Revolving Facility
Lender then in effect, and (b) with respect to all Incremental Revolving Facility Lenders, the aggregate maximum amount of all Incremental Revolving Facility Commitments of such Incremental Revolving Facility Lenders then in effect. 

“Incremental Revolving Facility Upfront Fee” shall have the meaning attributed to such term in Section 1.7(a) of this Agreement.

 “Incremental Revolving Facility Lender” shall mean, as of any date of determination, a Lender with an Incremental
Revolving Facility Commitment then in effect. 
 “Indebtedness” shall mean, without duplication, and as of the date on which
Indebtedness is to be determined, (a) all obligations of the Borrowers in respect of money borrowed; (b) all obligations of the Borrowers (other than trade debt incurred in the ordinary course of the Borrowers’ business), whether or
not for borrowed money, (i) represented by notes payable, or drafts accepted, in each case representing extensions of credit, (ii) 

  

 6 

 
evidenced by bonds, debentures, notes or similar instruments, or (iii) constituting purchase money indebtedness, conditional sales contracts, title
retention debt instruments or other similar instruments, upon which interest charges are customarily paid or that are issued or assumed as full or partial payment for property or services rendered; (c) Capital Lease Obligations of the
Borrowers; (d) all obligations of the Borrowers to purchase, redeem, retire, defease or otherwise make any payment in respect of any mandatorily redeemable stock issued by the Borrowers, valued at the greater of such stock’s voluntary or
involuntary liquidation preference plus accrued and unpaid dividends; (e) the Borrowers’ pro rata share of the Indebtedness of any unconsolidated Affiliate of the Borrowers (including Indebtedness of any partnership or joint venture in
which a Borrower is a general partner or joint venturer to the extent of such Borrower’s pro rata share of the ownership of such partnership or joint venture); (f) all Indebtedness of any other Person which a Borrower has guaranteed;
(g) reimbursement obligations in connection with letters of credit issued for the benefit of a Borrower; and (h) the Obligations. Unless otherwise specified hereinabove, “Indebtedness” shall not include the obligation of a
Borrower to make payments after the closing of an acquisition or merger that are based on financial or performance metrics of the acquisition or merger target or for consulting, noncompetition or nonsolicitation agreements, unless required to be
reflected as a liability of the Borrower on the Borrower’s balance sheet in accordance with GAAP. 
 “Instrument” shall
have the meaning attributed to such term by the UCC, and shall include any and all of the following, whether now or hereafter existing: all certificates of deposit, and all “promissory notes”, as such term is defined by the UCC, and other
evidences of indebtedness (other than instruments that constitute, or are a part of a group of writings that constitute, Chattel Paper). 
 “Interest Expense” shall mean, as of the date of any determination, the Borrowers’ aggregate cash interest expense for borrowed money (including, without limitation, premiums and interest expense arising from or
relating to Hedging Contracts and original issue discounts), plus the amount of all other interest due (whether paid or not paid) on any Indebtedness of each Borrower for the applicable measurement period, all as determined on a consolidated basis
in accordance with GAAP. 
 “Interest Payment Date” shall mean, relative to any LIBOR Rate Loan having an Interest Period of
three (3) months or less, the last Business Day of such Interest Period, and as to any LIBOR Rate Loan having an Interest Period longer than three (3) months, each Business Day which is three (3) months, or a whole multiple thereof,
after the first day of such Interest Period and the last day of such Interest Period.  
 “Interest Period” shall
mean, relative to any LIBOR Rate Loans (other than Swing Line Loans), (i) initially, the period beginning on (and including) the date on which such LIBOR Rate Loan is made or continued as, or converted into, a LIBOR Rate Loan pursuant to this
Agreement (including, without limitation, Exhibit 3 hereto) and the Notes and ending on (but excluding) the day which numerically corresponds to such date one (1), three (3) or six (6) months thereafter (or, if such
month has no numerically corresponding day, on the last Business Day of such month), in each case as the Borrower may select in its notice pursuant to this Agreement (including, without limitation, Exhibit 3 hereto) and the
Notes; and (ii) thereafter, each period commencing on the last day of the next preceding Interest Period applicable to such LIBOR Rate Loan and ending one (1), three (3) or six (6) months thereafter, as selected by the Borrower by
irrevocable notice to the Administrative Agent not less than three (3) Business Days prior to the last day of the then current Interest Period with respect thereto. 
 “Inventory” shall have the meaning attributed to such term by the UCC, and shall include any and all of the following, whether now or hereafter existing: all inventory, merchandise, goods and other
personal property for sale or lease or are furnished or are to be furnished under a contract of service, or that constitute raw materials, work in process, finished goods, returned goods, or materials or supplies of any kind, nature or description
used or consumed or to be used or consumed or in the processing, production, packaging, promotion, delivery or shipping of the same, including all supplies and embedded software. 
 “Investment Property” shall have the meaning attributed to such term by the UCC, and shall include any and all of the following, whether
now or hereafter existing: (a) all securities, whether certificated or uncertificated, including stocks, bonds, interests in limited liability companies, partnership interests, United States Treasury obligations, certificates of deposit, and
mutual fund shares; (b) all Security Entitlements, including the rights to any securities account and the financial assets held by a securities intermediary in such securities account and any free credit balance or other money owing by any
securities intermediary with respect to that account; (c) all securities accounts; (d) all commodity contracts; and (e) all commodity accounts. 
  

 7 

 “Joinder Agreement” shall have the meaning attributed to such term in Section 1.10
of this Agreement. 
 “Lead Arranger” shall mean RBS Securities Corporation d/b/a RBS Greenwich Capital, as sole and
exclusive lead arranger and sole and exclusive book running manager. 
 “LC Issuer” shall mean, for any Letter of Credit
issued for the benefit of a Person situated in the United States, Citizens Bank, and for any other Letter of Credit, either Citizens Bank and/or HSBC Bank USA, N.A. (as applicable). 
 “Lender” and “Lenders” shall mean, respectively, each and all of the banking or financial institutions which, as of any
date of determination, have (i) extended credit or agreed to extend credit to the Borrowers pursuant to this Agreement, and/or (ii) agreed in writing to be bound by the terms and provisions of this Agreement. 
 “Letter of Credit” and “Letters of Credit” shall mean, respectively, each and all of the standby letters of credit
issued pursuant to this Agreement. 
 “Letter of Credit Application” shall have the meaning attributed to such term in
Section 2.1 of this Agreement. 
 “Letter of Credit Administration Fee” shall have the meaning attributed to such term
in Section 2.3 of this Agreement. 
 “Letter of Credit Fee” shall have the meaning attributed to such term in
Section 2.3 of this Agreement. 
 “Letter of Credit Rights” shall have the meaning attributed to such term by the UCC,
and shall include any and all of the following, whether now or hereafter existing: any right to payment or performance under a letter of credit, whether or not the beneficiary has demanded or is at the time entitled to demand payment or performance,
but specifically excludes any right of a beneficiary to demand payment or performance under a letter of credit. 
 “Leverage
Ratio” shall have the meaning attributed to such term in Section 6.15(b) of this Agreement. 
 “LIBOR” or
“LIBOR Rate” shall mean relative to any Interest Period for LIBOR Rate Loans and, subject to the terms and provisions of Exhibit 3 hereto, the offered rate for deposits of U.S. Dollars in an amount approximately
equal to the amount of the requested LIBOR Rate Loan for a term coextensive with the designated Interest Period which the British Bankers’ Association fixes as its LIBOR rate and which appears on a nationally recognized service as selected by
the Administrative Agent, such as the Telerate Successor Page 3750, as of 11:00 a.m. London time on the day which is two London Banking Days prior to the beginning of such Interest Period. 
 “LIBOR Election Form and Certification” shall mean the form attached as Exhibit 2 hereto. 
 “LIBOR Rate Loan” shall mean any loan or advance, the rate of interest applicable to which is based upon the LIBOR Rate. 
 “LIBOR Lending Rate” shall mean, relative to any LIBOR Rate Loan to be made, continued or maintained as, or converted into, a LIBOR Rate
Loan for any Interest Period, a rate per annum determined pursuant to the following formula: 
  

							
	LIBOR Lending Rate	  	=	  	LIBOR Rate	  	
		  		  	(1.00 - LIBOR Reserve Percentage)	  	

 “LIBOR Reserve Percentage” shall mean, relative to any day of any Interest Period
for LIBOR Rate Loans, the maximum aggregate (without duplication) of the rates (expressed as a decimal fraction) of reserve 

  

 8 

 
requirements (including all basic, emergency, supplemental, marginal and other reserves and taking into account any transitional adjustments or other
scheduled changes in reserve requirements) under any regulations of the Board or other governmental authority having jurisdiction with respect thereto as issued from time to time and then applicable to assets or liabilities consisting of
“Eurocurrency Liabilities”, as currently defined in Regulation D of the Board, having a term approximately equal or comparable to such Interest Period. 
 “Loan” and “Loans” shall mean, individually or collectively as the context may require, the loan and loans made by the Lenders to the Borrowers (including, without limitation, any
loans made pursuant to an Incremental Revolving Facility Commitment) in the aggregate maximum principal amount of Three Hundred Fifty Million and No/100 Dollars ($350,000,000.00), or so much thereof as shall be advanced or readvanced from time to
time, which are represented by the Facilities, and which are evidenced by, bear interest and are payable in accordance with the terms and provisions set forth in the Notes and this Agreement. 
 “Loan Document” and “Loan Documents” shall mean, respectively, each and all of this Agreement, the Notes, the Stock
Security Agreement, the Membership Interest Assignment, the Mandate/Fee Letter and each other document, instrument, agreement or certificate heretofore, now or hereafter executed and delivered by any Borrower in connection with the Loan or this
Agreement. 
 “London Banking Day” shall mean a day on which dealings in US dollar deposits are transacted in the London
interbank market. 
 “Mandate/Fee Letter” shall mean that certain mandate/fee letter dated December 10, 2007, from the
Administrative Agent to the Primary Operating Company relating to the Loan, including the term sheet and schedules annexed thereto, which shall specifically survive and not be superseded by the execution and delivery of this Agreement.

 “Mandatory Payment” and “Mandatory Payments” shall mean, individually or collectively as the context
may require, any and all mandatory payments required to be made on the Loan pursuant to Section 1.5 of this Agreement. 
 “Material Contract” and “Material Contracts” shall mean, as of any date of determination and individually or collectively as the context may require, any and all contracts or agreements to which a Borrower
is a party and pursuant to which such Borrower (a) is or may be entitled to receive payment(s) in excess of Two Million Five Hundred Thousand and No/100 Dollars ($2,500,000.00), in the aggregate, per annum, or (b) is obligated to make
payment(s) or have any other obligation or liability thereunder in excess of Two Million Five Hundred Thousand and No/100 Dollars ($2,500,000.00), in the aggregate, per annum. 
 “Maturity Date” shall mean (i) the earlier of February 20, 2013, or the date that all Loans shall become due and payable in
full hereunder, whether by acceleration or otherwise, or (ii) such other date as may be agreed to by the Administrative Agent, the Lenders and the Borrowers in writing. 
 “Membership Interest Assignment” shall mean that certain Second Amended and Restated Collateral Assignment of Membership Interests dated
as of the Restatement Date, entered into by certain “Borrower” parties thereto in favor of the Administrative Agent for the benefit of the Lenders ratably, as the same may be modified or amended from time to time. 
 “Negative Covenants” shall mean any negative or similar restrictive covenant made by the Borrowers set forth in this Agreement or in any
other Loan Document. 
 “Net Cash” shall mean the cash proceeds (net of cash taxes paid and reasonable and customary costs
paid to unrelated and unaffiliated third parties in connection with a particular transaction) arising from any Excess Cash Event. 
 “Non-Borrower Affiliate” shall mean any Affiliate of a Borrower which is not itself a “Borrower” party to this Agreement as of any applicable date of determination, and shall include, without limitation, the
Non-Borrower Subsidiaries. 
  

 9 

 “Non-Borrower Subsidiaries” shall mean any or all of the following entities of which
Jones & Stokes Associates, Inc. is a member: (i) Bayview Transportation Consultants, LLC, (ii) HDR/Jester Seattle Joint Venture, (iii) Irvington Partners JV, LLC, (iv) JESTER EDAW, LLC, (v) JSR Venture, LLC,
(vi) SPK Venture, LLC and (vii) Mooney-Hayes, LLC. 
 “Note” and “Notes” shall mean,
respectively, each and all of the Revolver Notes, Swing Line Note and other promissory notes executed, issued and delivered pursuant to this Agreement, together with all extensions, renewals, modifications, replacements, increases and substitutions
thereof and therefor. 
 “Obligation” and “Obligations” shall mean, respectively, any and all obligations
or liabilities of any Borrower to any Lender or the Administrative Agent in connection with the Loan or this Agreement, whether now existing or hereafter created or arising, direct or indirect, matured or unmatured, and whether absolute or
contingent, joint, several or joint and several, and no matter how the same may be evidenced or shall arise (including, without limitation, any and all Hedging Obligations and/or Hedging Contracts). Without limiting the foregoing, the term
“Obligations” shall also include any and all Permitted Financial Product Obligations owing to any Financial Product Provider as of any applicable date of determination. 
 “Ordinary Course Payments” shall mean payments made directly by a Borrower to any Non-Borrower Affiliate; provided that such payments
are made (i) in the ordinary course of such Borrower’s business, (ii) for products actually delivered or services actually performed, and (iii) pursuant to an “arm’s length” transaction (i.e., a transaction that
would otherwise be made with an unrelated and unaffiliated third party). 
 “Parent Company” shall mean ICF
International, Inc., a Delaware corporation, and its successors and assigns. 
 “Participant” shall have the meaning
attributed to such term in Section 12.11(e) of this Agreement. 
 “Patriot Act” shall mean the U.S.A. Patriot Act
(Title III of Pub. L. 107-56 (signed into law on October 26, 2001)), as amended. 
 “Pension Plan” or “Pension
Plans” shall have the meaning attributed to such term in Section 5.13(a) of this Agreement. 
 “Percentage”
shall mean, as of any date of determination and with respect to each Lender, the percentage(s) corresponding to such Lender’s name on Schedule 1 attached to this Agreement in respect of the Revolving Facility Commitment
Amount and/or the Swing Line Commitment Amount (as the context may require), as the same may be modified or amended from time to time. 
 “Permitted Acquisition” shall mean any merger or acquisition which is (a) expressly permitted pursuant to Section 7.1(d)(ii) of this Agreement, or (b) consummated pursuant to and in strict accordance with all
of the terms and provisions set forth in any modification or amendment to this Agreement or in a consent letter specifically issued by the Administrative Agent, acting at the direction of the Required Lenders, for such merger or acquisition.

 “Permitted Financial Product Obligations” shall mean, as of any applicable date of determination, any and all fees,
charges, debts, liabilities and obligations (other than Hedging Obligations) owing by any Borrower to any Financial Product Provider in connection with any cash management service, credit card facility or other bank product (other than any Hedging
Contract) in an aggregate amount not to exceed Three Million and No/100 Dollars ($3,000,000.00) outstanding at any time. 
 “Permitted Foreign Bank Accounts” shall mean any and all of the bank accounts described on Schedule B hereto, together with any and all other foreign bank accounts approved from time to time by the
Administrative Agent in writing; provided that each such bank account (a) has been established by and in the name of a Borrower, (b) is located outside of the United States of America, (c) is used solely for the collection of
Receivables, payment of Ordinary Course Payments and other general operating purposes, (d) is not subject to any lien, claim, charge or encumbrance (other than (i) the security interests granted to the Administrative Agent under this
Agreement or any other Loan Document, and (ii) normal and customary rights of set off or similar rights (of the financial institution maintaining such account), but only if such rights may be exercised solely for past due fees, 

  

 10 

 
charges and expenses arising from the general administration of such bank account, (e) if required by the Administrative Agent, is subject to a control
agreement or blocked account agreement, in form and substance reasonably satisfactory to the Administrative Agent, and (f) if not subject to a control agreement or blocked account agreement, in form and substance reasonably satisfactory to the
Administrative Agent, does not, for thirty (30) or more consecutive days, contain funds and/or other items of value which, in the aggregate, exceed the U.S. Dollar equivalent of Three Million and No/100 Dollars ($3,000,000.00) as of any
applicable date of determination; it being understood and agreed, however, that the amount of funds held in a depository account maintained by any Lender shall not be included in any calculation of the foregoing amount. 
 “Permitted Investments” shall mean: (a) direct obligations of, or obligations the principal of and interest on which are
unconditionally guaranteed by, the United States (or by any agency thereof to the extent such obligations are backed by the full faith and credit of the United States), in each case maturing within one (1) year from the date of acquisition
thereof; (b) commercial paper having the highest rating, at the time of acquisition thereof, of Standard and Poor’s or Moody’s Investors Services and in either case maturing within six (6) months from the date of acquisition
thereof; (c) certificates of deposit, bankers’ acceptances and time deposits maturing within one hundred eighty (180) days of the date of acquisition thereof issued or guaranteed by or placed with, and money market deposit accounts
issued or offered by, any domestic office of any commercial bank organized under the laws of the United States or any state thereof which has a combined capital and surplus and undivided profits of not less than Five Hundred Million and No/100
Dollars ($500,000,000.00); (d) fully collateralized repurchase agreements with a term of not more than thirty (30) days for securities described in clause (a) above and entered into with a financial institution satisfying the criteria
described in clause (c) above; and (e) mutual funds investing solely in any one or more of the Permitted Investments described in clauses (a) through (d) above. 
 “Permitted Liens” shall mean: (a) liens for taxes which are being contested in good faith and by appropriate proceedings, which
(i) such Borrower has the financial ability to pay, including penalties and interest, and (ii) the non-payment thereof will not result in the execution of any such tax lien or otherwise jeopardize the interests of the Administrative Agent
and/or the Lenders in, on or to any Collateral; (b) deposits or pledges to secure obligations under workers’ compensation, social security or similar laws, incurred in the ordinary course of business; (c) liens securing secured
indebtedness of the Borrowers, but only to the extent and dollar amount such secured indebtedness is permitted pursuant to Section 7.7(a) of this Agreement; (d) cash deposits pledged to secure the performance of bids, tenders, contracts
(other than contracts for the payment of money), leases, statutory obligations, surety and appeal bonds and other obligations of like nature made in the ordinary course of business; (e) mechanics’, workmen’s, repairmen’s,
warehousemen’s, vendors’, lessors’ or carriers’ liens or other similar liens; provided that such liens arise in the ordinary course of the Borrowers’ business and secure sums which are not past due, or which are separately
secured by cash deposits or pledges in an amount adequate to obtain the release of such liens; (f) except as otherwise provided in this Agreement, statutory or contractual landlord’s liens on the Borrowers’ tangible personal property
located in such Borrower’s demised premises; (g) zoning or other similar and customary land use restrictions, which do not materially impair the use or value of any Collateral or property of any Borrower; (h) judgment liens which are
not prohibited by Section 7.4 of this Agreement; (i) other liens expressly permitted by the terms and provisions of this Agreement; and (j) liens in favor of the Administrative Agent and/or any Lender with respect to the Loans.

 “Person” shall mean an individual, partnership, corporation, trust, limited liability company, limited liability
partnership, unincorporated association or organization, joint venture or any other entity. 
 “Primary Operating Company”
shall mean ICF Consulting Group, Inc., a Delaware corporation. 
 “Prime Contractor” shall mean any Person (other than a
Borrower) which is a party to any Government Subcontract. 
 “Prime Rate” shall mean the rate of interest from time to time
established and publicly announced by Citizens Bank as its prime rate, in Citizens Bank’s sole discretion, which rate of interest may be greater or less than other interest rates charged by Citizens Bank to other borrowers and is not solely
based or dependent upon the interest rate which Citizens Bank may charge any particular borrower or class of borrowers. 
 “Proceeds” shall have the meaning attributed to that term by the UCC or under other Applicable Law, and, in any event, shall include, but shall not be limited to, any and all of the following, whether now owned or hereafter
acquired: (i) any and all proceeds of, or amounts (in any form whatsoever, whether cash, securities, 

  

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property or other assets) received under or with respect to, any insurance, indemnity, warranty or guaranty payable from time to time, and claims for
insurance, indemnity, warranty or guaranty effected or held with respect to any of the Collateral, (ii) any and all payments (in any form whatsoever, whether cash, securities, property or other assets) made or due and payable from time to time
in connection with any requisition, confiscation, condemnation, seizure or forfeiture of all or any part of the Collateral by any governmental authority (or any person acting under color of governmental authority), (iii) any claim against third
parties (a) for past, present or future infringement of any patent or patent license, or (b) for past, present or future infringement or dilution of any copyright, copyright license, trademark or trademark license, or for injury to the
goodwill associated with any trademark or trademark license, (iv) any recoveries against third parties with respect to any litigation or dispute concerning any of the Collateral including claims arising out of the loss or nonconformity of,
interference with the use of, defects in, or infringement of rights in, or damage to, Collateral, (v) all amounts collected on, or distributed on account of, other Collateral, including dividends, interest, distributions and Instruments with
respect to Investment Property and pledged stock, and (vi) any and all other amounts (in any form whatsoever, whether cash, securities, property or other assets) from time to time paid or payable under or in connection with any of the
Collateral (whether or not in connection with the sale, lease, license, exchange or other disposition of the Collateral). 
 “Qualifying Person” shall have the meaning attributed to such term in Section 10.10 of this Agreement. 
 “RCRA” shall mean the Resource Conservation and Recovery Act, as amended (42 U.S.C. Sections 6901 et. seq.). 
 “Receivable” and “Receivables” shall mean, individually or collectively as the context may require, any and all of the Borrowers’ present and future accounts, contracts, contract
rights, chattel paper, general intangibles, notes, drafts, acceptances, chattel mortgages, conditional sale contracts, bailment leases, security agreements, contribution rights and other forms of obligations now or hereafter arising out of or
acquired in the course of or in connection with any business the Borrowers conduct, together with all liens, guaranties, securities, rights, remedies and privileges pertaining to any of the foregoing, whether now existing or hereafter created or
arising, and all rights with respect to returned and repossessed items of inventory. 
 “Register” shall have the meaning
attributed to such term in Section 12.11(d) of this Agreement. 
 “Report” and “Reports” shall have
the meaning attributed to such term in Section 10.15 of this Agreement. 
 “Request for Advance and Certification”
shall mean any Request for Advance and Certification in the form attached as Exhibit 1 hereto. 
 “Required
Lenders” shall mean all of the Lenders who at any given time, are not in default under or in breach of any of the terms and conditions of this Agreement applicable to such Lender, and who hold Notes representing, in the aggregate, at least
fifty-one percent (51%) of the aggregate Commitment Amount (excluding the Swing Line Commitment Amount, but including the aggregate Incremental Revolving Facility Commitment Amount then in effect). 
 “Restatement” shall mean the settlement of the transactions contemplated by this Agreement. 
 “Restatement Date” shall mean the date on which the Restatement shall occur, such date being also the date of this Agreement.

 “Revolver Notes” shall mean each and all of the promissory notes executed, issued and delivered pursuant to this
Agreement in connection with the Revolving Facility, together with all extensions, renewals, modifications, replacements and substitutions thereof and therefor. 
 “Revolving Facility” shall mean the revolving credit facility being extended pursuant to this Agreement, in the original maximum principal amount of the Revolving Facility Commitment Amount, with a
sub-limit of Five Million and No/100 Dollars ($5,000,000.00) for Letters of Credit and a sub-limit of Twenty Million and No/100 Dollars ($20,000,000.00) for Swing Line Loans; it being understood and agreed that the maximum principal amount of the
Revolving Facility shall be subject to increase pursuant to Section 1.8 of this Agreement. 
  

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 “Revolving Facility Commitment Amount” shall mean an amount equal to the sum of Two
Hundred Seventy-five Million and No/100 Dollars ($275,000,000.00), plus the aggregate amount of any and all Incremental Revolving Facility Commitments existing as of such date of determination. 
 “Revolving Facility Commitment Fee” shall have the meaning attributed to such term in Section 1.7(b) of this Agreement. 

“SEC” shall mean the Securities and Exchange Commission of the United States of America. 
 “SEC Act” shall mean The Securities Exchange Act of 1934, 15 U.S.C.A. §78, as amended. 
 “Security Entitlements” shall have the meaning attributed to such term by the UCC, and shall include any and all Security Entitlements
whether now or hereafter existing. 
 “Stock Security Agreement” shall mean that certain Second Amended and Restated Stock
Security Agreement dated as of the Restatement Date, entered into by certain “Borrower” parties thereto in favor of the Administrative Agent for the benefit of the Lenders ratably, as the same may be modified or amended from time to time.

 “Supporting Obligations” shall have the meaning attributed to such term by the UCC, and shall include any and all of the
following, whether now or hereafter existing: any and all letter of credit rights or secondary obligations that support the payment or performance of an Account, Chattel Paper, Document, General Intangible, Instrument or Investment Property. 

 “Swing Line Commitment” shall mean the Swing Line Lender’s obligation to make Swing Line Loans to the Borrowers in
an aggregate principal amount not to exceed the Swing Line Commitment Amount. 
 “Swing Line Commitment Amount” shall mean
Twenty Million and No/100 Dollars ($20,000,000.00). 
 “Swing Line Commitment Period” shall mean the period commencing on
the Restatement Date and ending on the Swing Line Termination Date. 
 “Swing Line Facility” shall mean the swing line
credit facility being extended pursuant to this Agreement, in the original maximum principal amount equal to the Swing Line Commitment Amount. 
 “Swing Line Lender” shall mean Citizens Bank. 
 “Swing Line Loan” or “Swing Line
Loans” shall have the meaning attributed to such term in Section 1.1(b) of this Agreement. 
 “Swing Line
Note” shall mean that certain Second Amended and Restated Swing Line Promissory Note of even date herewith, made by the Borrowers and payable to the order of the Swing Line Lender, in the maximum principal amount of the Swing Line
Commitment Amount, or so much thereof as shall be advanced or readvanced, together with all extensions, renewals, modifications, increases, replacements and substitutions thereof or therefor. 
 “Swing Line Outstandings” shall mean, as of any date of determination, the aggregate principal amount of all Swing Line Loans then
outstanding. 
 “Swing Line Rate” shall mean with respect to the Swing Line Facility, relative to any Swing Line Interest
Period (hereafter defined), the offered rate for delivery in two London Banking Days of deposits of U.S. Dollars for a term coextensive with the designated Swing Line Interest Period which the British Bankers’ Association fixes as its LIBOR
rate as of 11:00 a.m. London time on the day on which the Swing Line Interest Period commences. If the first day of any Swing Line Interest Period is not a day which is both a (i) Business Day, and (ii) a London Banking Day, the Swing Line
Rate shall be determined by reference to the next preceding day which is both a Business Day and a London Banking Day. If for any reason the Swing Line Rate is unavailable 

  

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and/or the Administrative Agent is unable to determine the Swing Line Rate for any Swing Line Interest Period, the Swing Line Rate shall be deemed to be
equal to the Prime Rate. For purposes of this definition, the term “Swing Line Interest Period” means (a) initially, the period beginning on (and including) the date on which such Swing Line Loan is made or continued as a Swing Line
Rate Loan pursuant to this Agreement and the Swing Line Note and ending on (but excluding) the day which numerically corresponds to such date one (1) month thereafter (or, if such month has no numerically corresponding day, on the last Business
Day of such month); and (b) thereafter, each period commencing on the last day of the next preceding Swing Line Interest Period applicable to such Swing Line Loan and ending one (1) month thereafter. 
 “Swing Line Termination Date” shall mean the fifth (5th) Business Day prior to the Maturity Date, or such earlier date on which the Swing Line Lender shall have elected, in its sole and absolute discretion, to
terminate the Swing Line Facility. 
 “Target” shall have the meaning attributed to such term in Section 7.1(d) of this
Agreement. 
 “Total Funded Debt” shall mean, as of any date of determination, all Indebtedness of the Borrowers (calculated
on a consolidated basis). 
 “Transitional Deposit Account” shall have the meaning attributed to such term in Article 8 of
this Agreement. 
 “UCC” shall mean the Uniform Commercial Code as the same may, from time to time, be enacted and in effect
in the Commonwealth of Virginia; provided, that to the extent that the UCC is used to define any term herein and such term is defined differently in different Articles or Divisions of the UCC, the definition of such term contained in Article
or Division 9 shall govern; provided further, that in the event that, by reason of mandatory provisions of law, any or all of the attachment, perfection or priority of, or remedies with respect to, the Administrative Agent’s lien on any
Collateral is governed by the Uniform Commercial Code as enacted and in effect in a jurisdiction other than the Commonwealth of Virginia, the term “UCC” shall mean the Uniform Commercial Code as enacted and in effect in such other
jurisdiction solely for purposes of the provisions thereof relating to such attachment, perfection, priority or remedies and for purposes of definitions related to such provisions. 
 “Uncommitted Incremental Revolving Facility Commitment Amount” shall mean, as of any date of determination, an amount equal to the sum
of Seventy-five Million and No/100 Dollars ($75,000,000.00), minus the aggregate dollar amount of all Incremental Revolving Facility Commitments established prior to such date of determination and then remaining in effect. 
 INTERPRETIVE PROVISIONS 
 (a)
The meanings of defined terms are equally applicable to the singular and plural forms of the defined terms. 
 (b) The words
“hereof”, “herein”, “hereunder” and similar words refer to this Agreement as a whole and not to any particular provision of this Agreement; and “Subsection”, “Section”, “Schedule” and
“Exhibit” references are to this Agreement unless otherwise specified. 
 (c) Unless otherwise expressly provided herein,
(i) references to agreements (including this Agreement) and other contractual instruments shall be deemed to include all subsequent amendments and other modifications thereto, but only to the extent such amendments and other modifications are
not prohibited by the terms of this Agreement, and (ii) references to any statute or regulation are to be construed as including all statutory and regulatory provisions consolidating, amending, replacing, supplementing or interpreting the
statute or regulation. 
 (d) The article, section and paragraph headings of this Agreement are for convenience of reference only, and in no
way define, limit or describe the scope of this Agreement or the intent of any provision hereof. 
 (e) This Agreement and the other Loan
Documents are the result of negotiations among all parties hereto, and have been reviewed by counsel to the Administrative Agent, the Borrowers and the Lenders, and are the products of all parties. Accordingly, this Agreement and the other Loan
Documents shall not be construed against the Administrative Agent or the Lenders merely because of the Administrative Agent’s or Lenders’ involvement in their preparation. 
  

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 ARTICLE 1 
 COMMITMENT 
 1.1 Maximum Loan Amount. 
 (a) Subject to the terms and conditions of this Agreement, (i) each Lender severally agrees to make the Loans to the Borrowers (except for the Swing
Line Loan, which shall be extended only by the Swing Line Lender), with the maximum amount of each Lender’s obligation being equal to such Lender’s Percentage of the Commitment Amount; and (ii) as set forth more fully in
Section 1.1(b) below, the Swing Line Lender will make the Swing Line Loan to the Borrowers. The Loans, including the Swing Line Loan, shall bear interest and be payable in accordance with the terms and provisions of this Agreement and the
Notes. The Notes shall be executed and delivered to each respective Lender on the Restatement Date and thereafter, from time to time, as and when requested by the Administrative Agent. 
 (b) Subject to the terms and conditions of this Agreement, the Swing Line Lender shall make swing line loans (each, a “Swing Line Loan” and
collectively, the “Swing Line Loans”) to the Borrowers from time to time during the Swing Line Commitment Period, in the aggregate principal amount at any one time outstanding not to exceed the Swing Line Commitment Amount; provided,
however, that at no time may the aggregate outstanding principal amount of the Swing Line Loans, plus the aggregate outstanding principal amount of the Revolving Facility (including the aggregate face amount of all Letters of Credit outstanding),
exceed the Revolving Facility Commitment Amount. During the Swing Line Commitment Period, the Borrowers may use the Swing Line Commitment by borrowing, repaying Swing Line Loans in whole or in part, and reborrowing, all in accordance with the terms
of this Agreement. At the request of the Swing Line Lender, the Administrative Agent may, at any time, on behalf of the Borrowers (which hereby irrevocably direct the Administrative Agent to act on their behalf) request each Lender having a
Percentage of the Revolving Facility, including the Lender then acting as the Swing Line Lender, to make, and each such Lender, including the Lender then acting as the Swing Line Lender, shall make an advance under the Revolving Facility, in an
amount equal to such Lender’s Percentage of the Revolving Facility, of the amount of the Swing Line Outstandings as of the date such request is made. In such event, each such Lender shall make the requested proceeds available to the
Administrative Agent for the account of the Swing Line Lender in accordance with the funding provisions set forth in this Agreement. The proceeds of the Revolving Facility advanced pursuant to this Section 1.1(b) shall be immediately applied to
repay the Swing Line Outstandings. 
 1.2 Use of Proceeds. The Loan shall be used by the Borrowers only for the following
purposes: (i) to refinance certain existing indebtedness of the Borrowers; (ii) to finance any Permitted Acquisition (including, the purchase price of a Permitted Acquisition, together with customary transaction costs and expenses payable
to unrelated and unaffiliated third parties relating thereto); and (iii) for working capital, letters of credit and general corporate needs. Each Borrower agrees that it will not use or permit the Loan proceeds to be used for any other purpose
without the prior written consent of the Administrative Agent. 
 1.3 [Intentionally Omitted]. 
 1.4 Advances; Payments. 
 (a)
Agreement to Advance and Readvance; Procedure. So long as no Event of Default shall have occurred and be continuing, and no act, event or condition shall have occurred and be continuing which with notice or the lapse of time, or both, shall
constitute an Event of Default, and subject to the terms and provisions of this Agreement, the Lenders (and the Swing Line Lender, as the case may be) shall advance and readvance the proceeds of the Revolving Facility and the proceeds of the Swing
Line Facility (as applicable) from time to time in accordance with the terms of this Agreement to the Borrowers upon the Borrowers’ execution and delivery of this Agreement and all other documents, instruments and agreements required by the
Administrative Agent and the Lenders in connection herewith. Requests for advances with respect to the Revolving Facility shall be in the form attached as Exhibit 1 hereto, and requests for advances with respect to the Swing
Line Facility shall be in the form attached as Exhibit 1(a) hereto. Requests for advances of Loan proceeds with respect to the Revolving Facility and the Swing Line Facility may be made via facsimile on any given Business Day if
the Borrowers provide the 

  

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Administrative Agent, in advance, with a written list of the names of the specific officers authorized to request disbursements by facsimile. Upon request by
the Administrative Agent, the Borrowers shall confirm, in an original writing, each facsimile request for advance made by any Borrower. Notwithstanding the foregoing, (a) the Lenders shall have no obligation to make any advance with respect to
the Revolving Facility after the Maturity Date; and (b) the Swing Line Lender shall have no obligation to make any advance with respect to the Swing Line Facility after the Swing Line Termination Date. 
 (b) Interest Rate Election; Certain Advance Procedures and Limits. Amounts advanced in connection with the Loans shall bear interest at the
Applicable Interest Rate, which shall either be on a Base Rate basis or LIBOR basis, as more fully set forth below, in the Notes and in the exhibits attached to this Agreement, except that Swing Line Loans shall only be made available to the
Borrowers on a Swing Line Rate basis. Advances bearing interest on a Base Rate basis shall be in minimum and incremental amounts of One Hundred Thousand and No/100 Dollars ($100,000.00), and shall be made available on a same-day basis, if requested
by 12:00 Noon, Washington, D.C. time, on any Business Day. Advances bearing interest on a LIBOR basis shall also be in minimum and incremental amounts of One Hundred Thousand and No/100 Dollars ($100,000.00), and shall be made available not less
than three (3) Business Days, nor more than five (5) Business Days, if requested by 12:00 Noon, Washington, D.C. time. The Borrowers’ right to request LIBOR based interest, as well as certain additional terms, conditions and
requirements relating thereto, are set forth in the Notes and in the exhibits attached to this Agreement, and each Borrower expressly acknowledges and consents to such additional terms and provisions. 
 (c) Automatic Advances/Payments. The Borrowers hereby authorize the Administrative Agent, on any Business Day, to transfer funds from the
Collateral Account or any other designated account of the Borrowers to pay down the Obligations and to make Loans or Swingline Loans available to the Borrowers to cover shortages or overdrafts in the Collateral Account or such other designated
account of the Borrowers. All such transfers are subject to the availability of Loan proceeds under the Revolving Facility (with respect to advances) and the availability of funds in the Collateral Account or such other designated account of the
Borrowers (with respect to paydowns). The Administrative Agent may, in its discretion, make such transfers (or direct any Lender maintaining a Deposit Account of a Borrower to wire transfer to the Administrative Agent any funds on deposit thereon to
facilitate any such transfer by the Administrative Agent), but shall have no liability for their failure to do so. Subject to the terms of any cash management agreement between the Borrowers and any Lender, the Borrowers may, at any time, terminate
the authority granted by the Borrowers to the Administrative Agent herein upon not less than two (2) Business Days prior written notice to the Administrative Agent. 
 (d) Application of Payments. All payments made or to be made upon any Obligations shall be payable in lawful currency of the United States and in immediately available funds. Except as otherwise expressly
provided in this Agreement, the Notes or any other Loan Document, if at any time insufficient funds are received by and available to the Administrative Agent to pay in full all amounts of principal, interest and fees then due pursuant to this
Agreement or the Notes (as the case may be), such funds shall be applied as follows: 
 (i) first, to expenses and costs of collection, if
any, incurred by the Administrative Agent in connection with the Loans, including, but not limited to, all court costs and the reasonable fees and expenses of its agents and legal counsel, the repayment of all advances made by the Administrative
Agent hereunder or under any other Loan Document on behalf of the Borrowers and any other reasonable costs or expenses incurred by the Administrative Agent in connection with the exercise of any right or remedy hereunder; 
 (ii) second, to fees and late charges owing to the Administrative Agent pursuant to this Agreement or any other Loan Document, and then to fees and late
charges owing to the Lenders (ratably in accordance with their Percentage) pursuant to this Agreement or any other Loan Document; 
 (iii)
third, to accrued and unpaid interest (applied first to the Swing Line Facility and then to the Revolving Facility); 
 (iv) fourth, to the
outstanding principal amount of the Obligations (applied first to Swing Line Outstandings (if any), then pro rata to the unpaid and outstanding principal amount of the Revolving Facility and all Hedging Obligations, and then pro rata to Permitted
Financial Product Obligations); and 
 (v) fifth, to any Person lawfully entitled thereto. 
  

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 1.5 Additional Mandatory Payments; Reduction of Commitment. In addition to all other sums
payable by the Borrowers pursuant to any of the Notes, this Agreement or any other Loan Document, the Borrowers shall also make mandatory payments on the Notes (applied first to Swing Line Outstandings (if any), and then to amounts outstanding under
the Revolving Facility, as provided herein below), upon the occurrence of any Excess Cash Event. Notwithstanding the foregoing, no mandatory payment shall be due and payable unless the Net Cash arising from any Excess Cash Event occurring in any
Fiscal Year, when aggregated with the Net Cash arising from all other Excess Cash Events occurring during such Fiscal Year, exceeds the Annual Excess Cash Limitation, in which event the amount of such mandatory payment shall be equal to the amount
by which the Net Cash arising from such Excess Cash Event(s) exceeds the Annual Excess Cash Limitation. 
 1.6 Field Audits.
The Administrative Agent has the right at any time and in its discretion to conduct field audits with respect to the Collateral and each Borrower’s Receivables, inventory, business and operations. All field audits shall be at the cost and
expense of the Borrowers; it being understood and agreed that, in the absence of an Event of Default, the Borrowers’ maximum liability for field audit costs and expenses shall be limited to the reasonable costs and expenses of only one
(1) field audit conducted during any twelve (12) month period (unless the Administrative Agent shall conduct a field audit pursuant to Section 1.10 of this Agreement in connection with the joinder of a new “Borrower”
hereunder, in which event the Borrowers shall be liable for the costs and expenses of such field audit as well). Any and all field audits conducted following an Event of Default shall be at the Borrowers’ cost and expense, with the foregoing
limitation on maximum costs and expense being inapplicable. 
 1.7 Certain Fees. In addition to principal, interest and other
sums payable under the Notes, the Borrowers shall pay the following fees: 
 (a) Upfront Fee. The Borrowers shall pay to the
Administrative Agent, for the account of each Lender party to this Agreement as of the Restatement Date, an upfront fee in the amounts set forth in, and pursuant to the terms of the Mandate/Fee Letter. Additionally, the Borrowers shall pay to the
Administrative Agent for the account of each Incremental Revolving Facility Lender, an upfront fee (an “Incremental Revolving Facility Upfront Fee”), for the Incremental Revolving Facility Commitment made by such Incremental Revolving
Facility Lender pursuant to this Agreement in an amount to be determined at the time such Incremental Revolving Facility Commitment is accepted by the Borrowers. The Incremental Revolving Facility Upfront Fee shall be due and payable in full on the
effective date of such Incremental Revolving Facility Commitment. 
 (b) Commitment
Fee. So long as any amounts remain outstanding in connection with the Revolving Facility, or the Lenders have any obligation to make any advance in connection therewith, the Borrowers agree to pay to the Administrative Agent for the benefit of
the Lenders ratably, a quarterly commitment fee (the “Revolving Facility Commitment Fee”), at an annual rate corresponding to the Borrowers’ Leverage Ratio for the immediately preceding Fiscal Quarter, as set forth on Exhibit
7 hereto, calculated on the difference between (i) the Revolving Facility Commitment Amount (including any increases thereto pursuant to Section 1.8 hereof), and (ii) without duplication, the sum of the average daily
outstanding principal balance of the Revolving Facility and Swing Line Outstandings during the applicable three (3) month period, plus the aggregate face amount of all Letters of Credit outstanding at any time during the applicable three
(3) month period. The Revolving Facility Commitment Fee shall be calculated on the basis of the actual number of days elapsed and a three hundred sixty (360) day year, shall be due for any three (3) month period during which the
Lenders shall have any obligation in connection with the Facility, and shall be payable in arrears, commencing on March 31, 2008, and continuing on the last Business Day of every third (3rd) calendar month thereafter for so long as this Agreement remains in effect, and on the date on which the Obligations have been paid and satisfied in full. 
 (c) Administrative Agent Fee and Lead Arranger Fee. The Borrowers shall pay to (i) the Administrative Agent an agent fee and (ii) the
Lead Arranger an arrangement fee, in each case in the amounts set forth in, and pursuant to the terms of the Mandate/Fee Letter. 
 (d)
Letter of Credit Fees. The Borrowers shall pay any and all Letter of Credit fees as and when such fees become due and payable pursuant to this Agreement. 
 (e) Out-of-Pocket Fees and Expenses. The Borrowers shall be liable for and shall timely pay all out-of-pocket costs and expenses (including reasonable attorneys’ fees and expenses of counsel for the
Administrative Agent, and of other special and local counsel and other experts, if any, engaged by the 

  

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Administrative Agent) from time to time incurred by the Administrative Agent and/or the Lead Arranger in connection with (i) the syndication of the Loan
and/or (ii) the drafting of, administration of, preservation of rights in and enforcement of this Agreement, the other Loan Documents and the transactions contemplated by this Agreement. Without limiting the generality of the foregoing, the
Borrowers shall be liable for all of the Administrative Agent’s out-of-pocket costs and expenses (including reasonable attorneys’ fees and expenses of counsel for the Administrative Agent) associated with any and all amendments, waivers
and/or consents prepared, negotiated, executed, issued and/or delivered in connection with this Agreement. 
 1.8 Increases to the
Revolving Facility Commitment Amount. 
 (a) The Borrowers may, by written notice to the Administrative Agent from time to time after
the Restatement Date, request Incremental Revolving Facility Commitments in an amount not to exceed the Uncommitted Incremental Revolving Facility Commitment Amount from one or more Incremental Revolving Facility Lenders, which, in the first
instance, shall only include existing Lenders; it being understood and agreed that (i) no Lender shall have any obligation to become an Incremental Revolving Facility Lender, and (ii) if the full amount of the Incremental Revolving
Facility Commitments being requested are not subscribed for by existing Lenders within ten (10) days of the delivery of such written notice, the Borrowers may offer such remaining Incremental Revolving Facility Commitments to other non-Lender
financial institutions; provided that each Incremental Revolving Facility Lender, if not already a Lender hereunder, shall be subject to the approval of the Administrative Agent. Each such notice shall set forth (i) the amount of the
Incremental Revolving Facility Commitments being requested (which shall be in minimum increments of Five Million and No/100 Dollars ($5,000,000.00) and a minimum amount of Twenty-five Million and No/100 Dollars ($25,000,000.00), or equal to the
Uncommitted Incremental Revolving Facility Commitment Amount) and (ii) the date on which such Incremental Revolving Facility Commitments are requested to become effective (which shall not be less than ten (10) Business Days nor more than
thirty (30) days after the date of such notice). Any Loan made or to be made pursuant to an Incremental Revolving Facility Commitment shall (A) constitute a Loan made pursuant to this Agreement, (B) be deemed advanced under the
Revolving Facility, (C) bear interest and be repaid in accordance with the terms and provisions of this Agreement applicable to advances made under the Revolving Facility, without preference or priority, (D) be secured by the Collateral on
a pari passu basis, and (E) be subject to all other terms and provisions of this Agreement applicable to Loans and advances thereof. 
 (b) The Borrowers and each Incremental Revolving Facility Lender shall execute and deliver to the Administrative Agent an Incremental Revolving Facility Assumption Agreement and such other documentation as the Administrative Agent shall
reasonably specify to evidence the Incremental Revolving Facility Commitment of such Incremental Revolving Facility Lender. The Administrative Agent shall promptly notify each Lender as to the effectiveness of each Incremental Revolving Facility
Assumption Agreement. Each of the parties hereto hereby agrees that, upon the effectiveness of any Incremental Revolving Facility Assumption Agreement, this Agreement shall be deemed amended to the extent (but only to the extent) necessary to
reflect the existence and terms of the Incremental Revolving Facility Commitment evidenced thereby. 
 (c) Each of the parties hereto hereby
agrees that the Administrative Agent may take any and all actions as may be reasonably necessary to ensure that, after giving effect to any Incremental Revolving Facility Commitment pursuant to this Section 1.8, the outstanding Loans under the
Revolving Facility (if any) are held by the Lenders in accordance with their new pro rata Percentages. This may be accomplished at the discretion of the Administrative Agent (i) by requiring the outstanding Loans to be prepaid with the proceeds
of a new Revolving Facility borrowing, (ii) by causing the existing Lenders to assign portions of their outstanding Loans to Incremental Revolving Facility Lenders, (iii) by permitting the Revolving Facility borrowings outstanding at the
time of any increase in the Revolving Facility Commitment Amount pursuant to this Section 1.8 to remain outstanding until the last days of the respective Interest Periods therefor, even though the Lenders would hold such Revolving Facility
borrowings other than in accordance with their new pro rata Percentages, or (iv) by any combination of the foregoing. Any prepayment or assignment described in this subparagraph (c) shall be subject to indemnification by the Borrowers
pursuant to this Agreement, but otherwise be without premium or penalty. 
 (d) Notwithstanding the foregoing, no Incremental Revolving
Facility Commitment shall become effective, unless on the date of such effectiveness, (i) no Event of Default shall have occurred and be continuing, and no act, event or condition shall have occurred or exist which with notice of the lapse of
time, or both, would constitute an Event of Default, and (ii) the Administrative Agent shall have received (A) a certificate dated such date and executed by the Chief Financial Officer or other duly authorized officer of the Borrowers,

  

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certifying that all of the representations and warranties set forth in Article 5 of this Agreement and in each of the other Loan Documents are true and
correct in all respects on and as of the date of the certificate with the same effect as though made on and as of such date (except to the extent that a representation and warranty relates to an earlier date); (B) a duly executed Note, in form
and substance acceptable to the Administrative Agent, which shall evidence the Loans to be made pursuant to the Incremental Revolving Facility Commitment; (C) UCC, judgment, bankruptcy, pending litigation and tax lien search results for the
Borrowers, confirming that no intervening lien, claim or encumbrance (other than Permitted Liens) on any Collateral exists that would affect the legality, validity or priority of the liens in favor of the for the ratable benefit of the Lenders with
respect to such Collateral; (D) the applicable Incremental Revolving Facility Assumption Agreement, duly executed by the parties thereto, together with such other documents, instruments and/or agreements reasonably requested by the
Administrative Agent; and (E) the applicable Incremental Revolving Facility Upfront Fee payable by the Borrowers to and for the account of each Incremental Revolving Facility Lender. 
 1.9 Appointment of the Primary Operating Company. Each Borrower acknowledges that (i) the Lenders have agreed to extend credit to each
of the Borrowers on an integrated basis for the purposes herein set forth; (ii) it is receiving direct and/or indirect benefits from each such extension of credit; and (iii) the obligations of the “Borrower” or
“Borrowers” under this Agreement are the joint and several obligations of each Borrower. To facilitate the administration of the Loan, each Borrower hereby irrevocably appoints the Primary Operating Company as its true and lawful agent and
attorney-in-fact with full power and authority to execute, deliver and acknowledge on such Borrower’s behalf, each Request for Advance and Certification and all other Loan Documents or other materials provided or to be provided to the
Administrative Agent or any Lender pursuant to this Agreement or in connection with the Loan. This power-of-attorney is coupled with an interest and cannot be revoked, modified or amended without the prior written consent of the Administrative
Agent. Upon request of the Administrative Agent, each Borrower shall execute, acknowledge and deliver to the Administrative Agent a Power of Attorney, in form and substance reasonably satisfactory to the Administrative Agent, confirming and
restating the power-of-attorney granted herein. 
 1.10 Joinder of New Subsidiaries and Affiliates; Release of Certain
Borrowers. 
 (a) Unless waived in writing by the Administrative Agent, acting at the direction of the Required Lenders, in their sole
and absolute discretion, the Borrowers shall cause any present or future Affiliate of any Borrower in which such Borrower now or hereafter owns, directly or indirectly, an ownership interest of greater than fifty percent (50%) to execute and
deliver to the Administrative Agent (i) within forty-five (45) days of the date of formation or acquisition (as applicable) of any domestic entity, and (ii) ninety (90) days of the date of formation or acquisition (as applicable)
of any foreign entity (x) a Joinder Agreement in the form attached as Exhibit 6 hereto (a “Joinder Agreement”), pursuant to which such Affiliate shall (A) join in and become a party to this Agreement and
the other Loan Documents; (B) agree to comply with and be bound by the terms and conditions of this Agreement and all of the other Loan Documents; and (C) become a “Borrower” and thereafter be jointly and severally liable for the
performance of all the past, present and future obligations and liabilities of the Borrowers hereunder and under the Loan Documents; and (y) such other documents, instruments and agreements as may be reasonably required by the Administrative
Agent in connection therewith (including, without limitation, an opinion of counsel), in form and substance acceptable to the Administrative Agent and its counsel in all respects. The Borrowers acknowledge and agree that the Administrative Agent
shall have the right, at the Borrowers’ cost and expense, to perform a field audit of the Receivables, inventory, business and operations of any present or future Affiliate proposed to be joined as a “Borrower” hereunder; and

 (b) Notwithstanding anything to the contrary contained in clause (a) above, none of ICF Consulting India Private, Ltd., a corporation
organized under the laws of India and a wholly owned subsidiary of the Primary Operating Company (“ICF India”), nor any Non-Borrower Subsidiary shall be required to become a Borrower or execute and deliver Loan Documents, and the Borrowers
shall not be required to undertake any procedures to perfect any security interest (or make a representation or warranty with respect to any such security interest) which the Administrative Agent may now or hereafter obtain in and to the capital
stock and other equity interests in ICF India or any Non-Borrower Subsidiary. Furthermore, subject to the terms and provisions set forth in Exhibit 9 attached hereto, the Administrative Agent agrees that it shall not
unreasonably withhold, delay or condition (i) its waiver of any or all of the joinder requirements set forth in clause (a) above, (ii) its consent to any Foreign Borrower entering into other financing arrangements with any Person,
whether secured or unsecured, and/or (iii) in connection with any such financing arrangement(s), its release of any Foreign Borrower from such Foreign Borrower’s Obligations, including any security interest of the Administrative Agent in
such Foreign Borrower’s assets granted in connection herewith. 
  

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 ARTICLE 2 
 LETTERS OF CREDIT 
 2.1 Issuance. The Borrowers and the Lenders acknowledge that from
time to time the Borrowers may request that an LC Issuer issue or amend Letter(s) of Credit. Subject to the terms and conditions of this Agreement, and any other requirements for letters of credit normally and customarily imposed by an LC Issuer,
each LC Issuer agrees to issue such requested letters of credit, provided that no Event of Default has occurred and is continuing, and no act, event or condition has occurred or exists which with notice or the passage of time, or both, would
constitute an Event of Default. If any such Letter(s) of Credit are issued by an LC Issuer, each of the Lenders shall purchase from such LC Issuer a risk participation with respect to such Letter(s) of Credit in an amount equal to such Lender’s
Percentage of the Revolving Facility Commitment Amount. No LC Issuer shall have any obligation to issue any Letter of Credit which has an expiration date beyond the date which is three (3) Business Days prior to the Maturity Date, unless the
Borrowers shall have deposited with such LC Issuer, concurrent with the issuance or renewal of any such Letter of Credit, cash security therefor in an amount equal to the face amount of the Letter of Credit. Any request for a Letter of Credit shall
be made by a Borrower submitting to the LC Issuer (with a copy to the Administrative Agent) an Application and Agreement for Letter of Credit or Amendment to Letter of Credit (each being herein referred to as a “Letter of Credit
Application”) on an LC Issuer’s standard form, at least three (3) Business Days prior to the date on which the issuance or amendment of the Letter of Credit shall be required, which Letter of Credit Application shall be executed by a
duly authorized officer of a Borrower, and be accompanied by such other supporting documentation and information as the Administrative Agent or LC Issuer may from time to time reasonably request. Each Letter of Credit Application shall be deemed to
govern the terms of issuance of the subject Letter of Credit, except to the extent inconsistent with the terms of this Agreement. It is understood and agreed that Letters of Credit shall not be issued for durations of longer than one (1) year.
Any outstanding Letter of Credit may be renewed from time to time; provided that (i) at least sixty (60) days’ prior written notice thereof shall have been given by the Borrowers to the Administrative Agent and the LC Issuer;
(ii) no Event of Default exists under the terms and provisions of the particular Letter of Credit or this Agreement, and no act, event or condition has occurred or exists which with notice or the passage of time, or both, would constitute an
Event of Default under the terms and provisions of the particular Letter of Credit or this Agreement; and (iii) if the renewal period would expire after the Maturity Date, the Borrowers shall have deposited with the LC Issuer, concurrent with
the renewal of such Letter of Credit, cash security therefor in an amount equal to the face amount of such Letter of Credit. 
 2.2
Amounts Advanced Pursuant to Letters of Credit. Upon the issuance of any Letter(s) of Credit (i) any amounts drawn pursuant thereto shall be deemed advanced ratably under the Revolver Notes, shall bear interest and be payable in
accordance with the terms of the Revolver Notes and shall be secured by the Collateral (in the same manner as all other sums advanced under the Revolver Notes); and (ii) each Lender shall purchase from the LC Issuer such risk participations in
the Letter(s) of Credit as shall be necessary to cause each Lender to share the funding obligations with respect thereto ratably in accordance with such Lender’s Percentage. It is expressly understood and agreed that all obligations and
liabilities of the Borrowers to an LC Issuer in connection with any such Letter(s) of Credit shall be deemed to be “Obligations,” and the Administrative Agent shall not be required to release its security interest in the Collateral until
(i) all Notes and all other sums due to the Lenders in connection with the Loan have been paid and satisfied in full, (ii) all Letters of Credit have been canceled or expired, and (iii) no Lender or LC Issuer has any further
obligation or responsibility to make additional Loan advances or issue additional Letters of Credit. Furthermore, in no event whatsoever shall any LC Issuer have any obligation to issue any Letter of Credit which would cause (x) the face amount
of all then outstanding Letters of Credit issued for the account of any or all Borrowers to exceed Five Million and No/100 Dollars ($5,000,000.00), in the aggregate, or (y) the aggregate outstanding principal amount of the Revolving Facility
(including the aggregate face amount of all Letters of Credit outstanding), to exceed the Revolving Facility Commitment Amount. 
 2.3
Letter of Credit Fees. The Borrowers shall be jointly and severally liable for the payment of: (i) to the Administrative Agent, for the benefit of the Lenders ratably, a quarterly fee (the “Letter of Credit Fee”) at the
annual rate equal to the Additional Libor Interest Margin corresponding to the Borrower’s Leverage Ratio reported as of the immediately preceding quarter, as set forth on Exhibit 7 hereto, which shall be calculated
(a) on the face amount of each Letter of Credit as of the date of issuance (or the anniversary or amendment date, as applicable), and (b) on the basis of the actual number of days elapsed and a three hundred sixty (360) day year; and
(ii) to the LC Issuer, an issuance fee in an amount equal to 12.5 basis points of the face amount of the particular 

  

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Letter of Credit and customary administrative charges (collectively, the “Letter of Credit Administration Fee”). The Letter of Credit Fee shall be
due and payable, in advance, on the date the Letter of Credit is issued, amended, extended or renewed and on the same day of every third (3rd) month thereafter during which such Letter of Credit shall remain issued or outstanding. The Letter of
Credit Administration Fee shall be due and payable simultaneously with the LC Issuer’s issuance, amendment, extension or renewal of the particular Letter of Credit (as the case may be). 
 ARTICLE 3 
 SECURITY 
 3.1 Security Generally. As collateral security for the Loan and all other Obligations, the Borrowers hereby grant and convey to the
Administrative Agent, for the benefit of the Lenders ratably, a security interest in all of the assets of each Borrower, including, without limitation, the following (collectively, the “Collateral”): 
 Receivables. All of each Borrower’s present and future right, title and interest in and to any and all Accounts, contracts, contract rights,
Chattel Paper, General Intangibles, notes, drafts, acceptances, chattel mortgages, conditional sale contracts, bailment leases, security agreements and other forms of obligations now or hereafter arising out of or acquired in the course of or in
connection with any business each Borrower conducts, together with all liens, guaranties, securities, rights, remedies and privileges pertaining to any of the foregoing, whether now existing or hereafter created or arising, and all rights with
respect to returned and repossessed items of Inventory; 
 Inventory. All of each Borrower’s present and future right, title and
interest in and to any and all Inventory and Goods, wherever located, and whether held for sale or lease or furnished or to be furnished under contracts of service, and all raw materials, work in process and materials now or hereafter owned by each
Borrower, wherever located, and used or consumed in its business, including all returned and repossessed items; and all other property now or hereafter constituting Inventory; 
 Other Collateral. All of each Borrower’s present and future right, title and interest in and to any and all cash, cash equivalents, Deposit
Accounts, Documents, Instruments, Investment Property, Letter of Credit Rights and Supporting Obligations, whether any of the foregoing shall be now owned or hereafter acquired by such Borrower, together with all of each Borrower’s present and
future furniture, fixtures, Equipment, machinery, supplies and other assets (other than stock, as below provided) and personal property of every type or nature whatsoever, including without limitation, all of each Borrower’s present and future
inventions, designs, patents, patent applications, trademarks, trademark applications, trade names, trade secrets, goodwill, registrations, copyrights, licenses, franchises, customer lists, tax refunds, tax refund claims, rights of claims against
carriers and shippers, leases and rights to indemnification; 
 Stock or Other Ownership Interests. All of each Borrower’s present
and future right, title and interest in and to any and all of the issued and outstanding capital stock, membership interests and/or other ownership interests in any other Borrower or any Foreign Borrower, whether such interests are now or hereafter
issued or outstanding and whether now or hereafter acquired by such Borrower, together with all voting, economic and other rights thereof or appurtenant thereto, pursuant to the Stock Security Agreement, Membership Interest Assignment and/or such
other documents, instruments or agreements as may be reasonably required by the Administrative Agent; 
 Leases. All of each
Borrower’s present and future right, title and interest in and to any and all leases, occupancy agreements, subleases, contracts, licenses, agreements and other understandings of or relating to the use, enjoyment or occupancy of real property
or any improvements thereon; provided, however, that if the terms of any such lease or other contract require such Borrower to notify or obtain the prior written consent of a third party for the grant of a security interest in such lease or other
contract, the security interest granted hereby in such lease or other contract shall not be effective until such notification is delivered or such consent is obtained; 
  

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 Records. All of each Borrower’s present and future right, title and interest in and to any
and all records, documents and files, in whatever form, pertaining to the Collateral; and 
 Proceeds, Etc. Any and all Proceeds of the
foregoing, whether cash or non-cash proceeds, and all increases, substitutions, replacements and/or additions to any or all of the foregoing. 
 It is expressly understood and agreed that the foregoing grant and conveyance of a security interest in the Collateral is in confirmation of (and not replacement of) the grant and conveyance of a security interest in the Collateral which
was previously made pursuant to or in accordance with the Existing Loan Agreement and the other Loan Documents; that the liens created by such prior grant and conveyance of a security interest in the Collateral remain in full force and effect; and
that the grant of and conveyance of a security interest in the Collateral pursuant hereto shall be supplemental to such prior grant and conveyance. 
 Notwithstanding the foregoing, the above described grant and conveyance shall not be deemed to include the grant and conveyance of (A) any Government Contract, Government Subcontract or Commercial Contract, which by its terms or
applicable law may not be conveyed; it being understood, however, that in any such situation(s), the Administrative Agent’s security interest shall include (i) the entirety of each Borrower’s right, title and interest in and to all
Receivables and all other Proceeds directly or indirectly arising from such Government Contract, Government Subcontract or Commercial Contract, and (ii) all other rights and interests which any Borrower may lawfully convey to the Administrative
Agent with respect to such Government Contract, Government Subcontract or Commercial Contract (including, without limitation, a conveyance of the applicable Commercial Contract if such prohibition on conveyance is negated by Applicable Law);
(B) any stock or other ownership interests of a Foreign Borrower in excess of sixty-five percent (65%) of all of the issued and outstanding stock or other ownership interests of such Foreign Borrower; (C) motor vehicles titled in the
name of any Borrower; and (D) except as otherwise set forth in Section 3.1 of this Agreement with respect to leases, interests in real property owned by any Borrower. 
 3.2 No Preference or Priority. It is expressly understood and agreed that each of the Notes shall be secured without preference or
priority; it being the intention of the parties that the Notes shall be co-equal and coordinate in right of payment of principal, interest, late charges and other sums due thereunder. 
 ARTICLE 4 
 CONDITIONS TO THE LENDERS’ OBLIGATIONS 
 The initial performance of the Lenders’ obligations under this Agreement shall be subject to the following conditions: 
 4.1 Compliance with Law and Agreements; Third Party Consents. The Lenders shall be reasonably satisfied that (a) the Loan shall be in
full compliance with all legal requirements, (b) all regulatory and third party consents and approvals required to be obtained have been obtained, and (c) the Borrowers shall have performed all agreements theretofore to be performed by the
Borrowers. 
 4.2 Financial Condition. There shall have been no material adverse change in the financial condition of the
Borrowers, in the aggregate, between the date of the most recent financial statement(s) delivered to the Lenders and the Restatement Date. 
 4.3 Litigation/Bankruptcy. There shall be no pending or threatened litigation by any entity (private or governmental) with respect to the Loan or any documentation executed in connection therewith (except for such
litigation disclosed to and not objected to by the Administrative Agent prior to Closing), nor shall there be any litigation, bankruptcy or other proceedings which the Administrative Agent believes, in good faith, could reasonably be expected to
have a material adverse effect on a going forward basis. 
  

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 4.4 Opinion of Counsel. The Administrative Agent shall have received an opinion of
Borrowers’ counsel with respect to each Borrower that is incorporated, formed or organized within the United States, in form and substance satisfactory to the Administrative Agent and its counsel in all respects. 
 4.5 No Default. There shall exist no Event of Default, and no act, event or condition shall have occurred or exist which with notice
or the lapse of time, or both, would constitute an Event of Default. 
 4.6 Documentation. The Administrative Agent
shall have received such financial statements, projections, certificates of good standing, corporate resolutions, limited liability company consents, UCC financing statements, opinions, certifications, schedules to be attached to this Agreement and
such other documents, instruments and agreements as may be reasonably required by the Lenders or the Administrative Agent, in such form and content and from such parties, as the Administrative Agent shall require (including, without limitation, all
documentation and other information required by bank regulatory authorities applicable to “know your customer” and anti-money laundering rules and regulations, including the Patriot Act). All documentation relating to the Loan and all
related transactions must be satisfactory in all respects to the Administrative Agent, the Lenders and their respective counsel. 
 4.7
Restatement Costs and Expenses. The Borrowers shall have paid all fees payable to the Administrative Agent and/or the Lenders, plus all restatement/closing costs and expenses incurred by the Administrative Agent in connection with the
transactions contemplated hereby, including, without limitation, all filing fees, recording costs, out-of-pocket syndication costs and expenses and the reasonable attorneys’ fees and expenses of the Administrative Agent’s counsel.

 4.8 Restatement Matters. On or before the Restatement Date: 
 (a) The Administrative Agent shall have received (i) a certificate, dated the Restatement Date and signed by the Chief Financial Officer or other
duly authorized officer of the Borrowers, certifying (A) that except as set forth on any schedule attached thereto, the certificate or articles of incorporation or formation (or similar document) of each Borrower previously delivered to the
Administrative Agent and its counsel in connection with the Existing Loan Agreement have not been amended since the date of the last amendment thereto shown on the certificate of good standing so furnished, (B) that except as set forth on any
schedule attached thereto, the by-laws or operating agreement (or similar document) of each Borrower as in effect and delivered in connection with the Existing Loan Agreement have not been amended, (C) that attached thereto is a true and
complete copy of resolutions duly adopted by the Board of Directors or other equivalent body of each Borrower, authorizing the execution, delivery and performance of this Agreement, the Notes and the other Loan Documents by such Borrower, the
undertaking by such Borrower of the Obligations, and that such resolutions have not been modified, rescinded or amended and are in full force and effect as of the Restatement Date, and (D) as to the incumbency and specimen signature of each
officer executing this Agreement, the Notes, or any other Loan Document or any other document delivered in connection therewith on behalf of such Borrower; and (ii) a certificate of another officer as to the incumbency and specimen signature of
the Chief Financial Officer or other duly authorized officer executing the certificate pursuant to clause (i) above; 
 (b) This
Agreement, the Notes and all other Loan Documents required to be executed and delivered by any Lender and/or any Borrower shall have been executed and delivered to the Administrative Agent and its counsel in form and substance acceptable to the
Administrative Agent, all such documents shall be in full force and effect, and each such document (including each UCC financing statement) required by law or reasonably requested by the Administrative Agent to be filed, registered or recorded in
order to create or continue in favor of the Administrative Agent for the benefit of the Lenders, ratably a valid, legal and perfected first-priority (except to the extent otherwise provided therein) security interest in and lien on the Collateral
(subject to any Permitted Lien) described therein shall have been prepared and delivered to the Administrative Agent and its counsel; 
 (c)
All legal matters incident to this Agreement and the Restatement shall be reasonably satisfactory to the Lenders, the Administrative Agent and their respective counsel; and 
 (d) After giving effect to the Restatement, all representations and warranties of the Borrowers set forth in this Agreement and the other Loan Documents
shall be, with respect to those representations and warranties not qualified by “materiality”, true, accurate and complete in all material respects, and not misleading in any material respect, and with respect to those representations and
warranties qualified by “materiality”, true, accurate and complete in all respects and not misleading in any respect. 
  

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 4.9 Security Interests. The Borrowers shall have executed and delivered all documentation
that the Administrative Agent deems necessary or appropriate for the perfection of any Liens granted to the Lenders pursuant to this Agreement or any other Loan Document. 
 4.10 Insurance. The Borrowers shall have delivered to the Administrative Agent for the ratable benefit of the Lenders evidence of compliance with the insurance requirements set forth in this Agreement
and the other Loan Documents. 
 4.11 Due Diligence/Syndication. The Lead Arranger and the Administrative Agent shall
have completed, to their satisfaction, a credit analysis, including but not limited to access to management, as well as financial reviews (on a historical and a projected basis), environmental reviews, legal reviews, site visits, customer inquiries,
and other due diligence, as deemed necessary or appropriate. Additionally, the Lead Arranger shall have successfully completed the syndication of the Revolving Facility. 
 4.12 Other Deliveries. The Borrowers shall have provided to the Administrative Agent all other documents, instruments and agreements requested by the Administrative Agent on or prior to the Restatement
Date. 
 ARTICLE 5 
 REPRESENTATIONS AND WARRANTIES 
 To induce the Administrative Agent and the Lenders to enter into this Agreement and/or make
any advances to the Borrowers pursuant to this Agreement, each Borrower jointly and severally represents, warrants, covenants and agrees as follows: 
 5.1 Existence and Qualification. Each Borrower is a corporation or limited liability company duly organized, validly existing and in good standing (to the extent applicable) under the laws of its jurisdiction of incorporation
or organization referenced in the preamble of this Agreement, with all corporate or limited liability company power and authority and all necessary licenses and permits to own, operate and lease its properties and carry on its business as now being
conducted, and as it may in the future be conducted, except where the failure to obtain such licenses or permits could not reasonably be expected to have a material adverse effect on such Borrower. Each Borrower has only one jurisdiction of
incorporation or organization (as the case may be). Each Borrower is duly qualified and authorized to do business and is in good standing in each jurisdiction in which the nature of its activities or the character of its properties makes
qualification necessary, except where the failure to so qualify could not reasonably be expected to have a material adverse effect on such Borrower. 
 5.2 Authority; Noncontravention. Except as set forth in Schedule 5.2 hereto, the execution, delivery and performance of the obligations of each Borrower set forth in this
Agreement, the Notes and the other Loan Documents (i) have been duly authorized by all necessary corporate, limited liability company, stockholder or member action (as applicable); (ii) do not require the consent of any governmental body,
agency or authority; (iii) will not violate or result in (and with notice or the lapse of time will not violate or result in) the breach of any provision of any Borrower’s Articles/Certificate of Incorporation, Articles/Certificate of
Organization, By-laws, Operating Agreement, Material Contracts existing as of the Restatement Date, or any order or regulation of any governmental authority or arbitration board or tribunal; and (iv) except as permitted by the terms and
provisions of this Agreement, will not result in the creation of a lien, charge or encumbrance of any nature upon any of the properties or assets of any Borrower. When the Loan Documents are executed and delivered, they will constitute legal, valid
and binding obligations of each Borrower, enforceable against each Borrower in accordance with their respective terms, subject to applicable bankruptcy, insolvency and other similar laws affecting the rights of creditors generally. 
 5.3 Financial Position. The financial statements listed on Schedule 5.3 hereto, copies of which have been delivered to
the Lenders (a) present fairly the financial condition of the Borrowers as of the date(s) thereof and the results of the Borrowers’ operations for the periods indicated therein, (b) were prepared in accordance with GAAP, (c) with
respect to all historical data, are true and accurate in all material respects, (d) with respect to all projections, are reasonable, and (e) are not misleading in any material respect. All material liabilities, fixed or contingent, are
fully shown or provided for on the referenced financial statements or the notes thereto as of 

  

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the date(s) thereof. There has been no material adverse change in the business, property or condition (financial or otherwise) of the Borrowers since the
date of the most recent financial statements listed on Schedule 5.3 hereto. All company filings required by the SEC or pursuant to the SEC Act have been filed as and when required (except to the extent appropriate extensions
have been obtained and remain in effect), and no Borrower has received written notice of any violation of the SEC Act or any other law, rule or regulation of the SEC that has not been disclosed to the Administrative Agent in writing. 
 5.4 Payment of Taxes. Each Borrower has filed all tax returns and reports required to be filed by it with the United States Government
and/or with all state and local governments, and has paid in full or made adequate provision on its books for the payment of all taxes, interest, penalties, assessments or deficiencies shown to be due or claimed to be due on or in respect of such
tax returns and reports, except to the extent that the validity or amount thereof is being contested in good faith by appropriate proceedings and the non-payment thereof pending such contest will not result in the execution of any tax lien or
otherwise jeopardize the Administrative Agent’s or the Lenders’ interests in any Collateral. 
 5.5 Accuracy of Submitted
Information; Omissions. As of the date furnished, all documents, certificates, information, materials and financial statements furnished or to be furnished to any Lender or the Administrative Agent pursuant to this Agreement or otherwise in
connection with the Loan (i) are true and correct in all material respects; (ii) do not contain any untrue statement of a material fact; and (iii) do not omit any material fact necessary to make the statements contained therein or
herein not misleading. No Borrower is aware of any fact which has not been disclosed to the Administrative Agent in writing which materially adversely affects, or so far as any Borrower can now reasonably foresee, could materially adversely affect,
the properties, business, profit or condition (financial or otherwise) of any Borrower or the ability of any Borrower to perform its obligations set forth in this Agreement or in any other Loan Document. 
 5.6 Government Contracts/Government Subcontracts. Except for the matters set forth on Schedule 5.6(a) hereto, since
October 5, 2005, no notice of suspension, debarment, cure notice, show cause notice or notice of termination for default has been issued by the Government to any Borrower, and no Borrower is a party to any pending, or to any Borrower’s
knowledge threatened, suspension, debarment, termination for default or show cause requirement by the Government or other adverse Government action or proceeding in connection with any Government Contract; it being understood and agreed that, for
purposes hereof, normal and customary reviews and audits conducted by the Government in the ordinary course of business shall not be deemed adverse Government action(s) or proceeding(s). All Government Contracts existing as of the Restatement Date
and having (i) a remaining contract value of Two Million Five Hundred Thousand and No/100 Dollars ($2,500,000.00) or more, and (ii) a remaining term of twelve (12) months or longer are listed on Schedule 5.6(b)
hereto. 
 5.7 No Defaults or Liabilities. No Borrower is in default of any obligation, covenant or condition contained in any
Material Contract which materially adversely affects, or could reasonably be expected to have a material adverse effect on, the properties, business, profit or condition (financial or otherwise) of such Borrower or the ability of such Borrower to
perform its obligations set forth in this Agreement or in any other Loan Document. Additionally, except for the matters disclosed on Schedule 5.9 hereto, there is no litigation, legal or administrative proceeding or
investigation pending against any Borrower, and no litigation, legal or administrative proceeding or investigation has been threatened against any Borrower, which has not been disclosed to the Administrative Agent in writing and which involves
amounts in excess of One Million and No/100 Dollars ($1,000,000.00) or which could prejudice, in any material respect, the Administrative Agent’s or any Lender’s rights or remedies under any Loan Document, or the priority, perfection or
enforceability of the Administrative Agent’s security interest in or lien on any Collateral. 
 5.8 No Violations of Law.
No Borrower is in violation of any Applicable Laws in any material respect; no Borrower has failed to obtain any license, permit, franchise or other governmental authorization necessary to the ownership of its properties or to the conduct of its
business, and each Borrower has conducted its business and operations in compliance with all Applicable Laws, except for such non-compliance which could not reasonably be expected to have a material adverse effect on such Borrower. 
 5.9 Litigation and Proceedings. Except for the matters set forth on Schedule 5.9 attached hereto, as of the
Restatement Date, no action, suit or proceeding against or affecting any Borrower is presently pending, or to the knowledge of any Borrower, threatened, in any court, before any governmental agency or department, or before any arbitration board or
tribunal, which involves the possibility of any judgment or liability in 

  

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excess of Five Hundred Thousand and No/100 Dollars ($500,000.00) not fully covered by insurance. No Borrower is in default with respect to any order, writ,
injunction or decree of any court, governmental authority or arbitration board or tribunal. 
 5.10 Security Interest in the
Collateral. Each Borrower is the sole legal and beneficial owner of the Collateral owned or purported to be owned by it, free and clear of all liens, claims and encumbrances of any nature, except for the Permitted Liens and other liens
expressly permitted by the terms and provisions of this Agreement. Except as expressly set forth in this Agreement or unless requirements of any applicable foreign law(s) dictate an alternative or additional method of creating valid and enforceable
security interests in the Collateral (or, as the case may be under any applicable foreign law, such foreign jurisdiction’s equivalent of a valid and enforceable security interest in and to such Collateral), the security interests and liens
granted by the Borrowers to the Administrative Agent pursuant to this Agreement constitute valid and enforceable security interests in and liens on each item of the Collateral of the type or nature which may be made subject to a security interest
under the UCC, subject to no other liens other than Permitted Liens. Upon execution of this Agreement, and subject to (i) the filing of UCC-1 financing statements containing a description of the Collateral and naming the Borrowers as debtors in
the appropriate jurisdictions as determined by applicable law, and/or (ii) the requirements of any applicable foreign law(s) which dictate an alternative or additional method of perfecting the security interest (or, as the case may be under any
applicable foreign law, such foreign jurisdiction’s equivalent of a perfected lien on and security interest) in the Collateral pursuant to this Agreement, the security interests and liens granted by the Borrowers to the Administrative Agent,
for the benefit of the Lenders ratably, pursuant to this Agreement (a) constitute perfected security interests in all Collateral of the type or nature in which a security interest may be perfected by filing, recording or registering a financing
statement in the United States pursuant to the UCC, (b) shall be superior to and prior to any other lien on any of such Collateral (but excluding Collateral consisting of capital stock, membership interests or ownership interests in any Foreign
Borrower), other than Permitted Liens, and no further recordings or filings are or will be required in connection with the creation, perfection or enforcement of such security interests and liens, other the filing of continuation statements in
accordance with Applicable Law, and (c) in the case of Collateral consisting of capital stock, membership interest(s) or ownership interest(s) in any Borrower or Foreign Borrower, subject to (i) having control thereof within the meaning of
the UCC, and/or (ii) satisfaction of any requirements of applicable laws of a foreign jurisdiction which dictate an alternative or additional method of perfection (or, as the case may be under any applicable foreign law, such foreign
jurisdiction’s equivalent of a perfected lien on and security interest in and to such Collateral), shall be superior to and prior to any other lien on any of such Collateral, other than Permitted Liens. 
 5.11 Principal Place of Business; Location of Books and Records. As of the Restatement Date, each Borrower maintains its principal place of
business and the office where it keeps its books and records with respect to Receivables at the locations listed on Schedule 2 hereto. Schedule 5.11 hereto sets forth all primary business locations of the
Borrowers situated within the United States as of the Restatement Date and where Borrower assets valued, individually or in the aggregate, in excess of One Million and No/100 Dollars ($1,000,000.00) are located as of the Restatement Date.

 5.12 Fiscal Year. Each Borrower’s Fiscal Year ends on
December 31st. 
 5.13
Pension Plans. 
 (a) Except for the matters set forth on Schedule 5.13(a) attached hereto, the present
value of all benefits vested under all “employee pension benefit plans”, as such term is defined in Section 3(2) of the Employee Retirement Income Security Act of 1974 (“ERISA”), from time to time maintained by the Borrowers
or any ERISA Affiliate (individually, a “Pension Plan” and collectively, the “Pension Plans”) did not, as of December 31, 2004, exceed the value of the assets of the Pension Plans allocable to such vested benefits;

 (b) Except for the matters set forth on Schedule 5.13(b) attached hereto, no Pension Plan, trust created thereunder
or other person dealing with any Pension Plan has engaged in a non-exempt transaction proscribed by Section 406 of ERISA or a non-exempt “prohibited transaction”, as such term is defined in Section 4975 of the Internal Revenue
Code; 
 (c) Except for the matters set forth on Schedule 5.13(c) attached hereto, no Pension Plan or trust created
thereunder has been terminated within the last three (3) years, and there have been no “reportable events” (as such term is defined in Section 4043 of ERISA and the regulations thereunder) with respect to any pension plan or
trust created thereunder after June 30, 1974; and 
  

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 (d) No Pension Plan or trust created thereunder has incurred any “accumulated funding
deficiency” (as such term is defined in Section 302 of ERISA or Section 412 of the Internal Revenue Code) as of the end of any plan year, whether or not waived, since the effective date of ERISA. 
 (e) None of the Borrowers, or any of their ERISA Affiliates (i) makes, or is obligated to make, contributions to a multiemployer plan (as defined in
Section 3(37) of ERISA) or has ever contributed, or been obligated to contribute, to such a plan in the past; (ii) maintains or has ever maintained (A) any plan which has been subject to Title IV of ERISA, or (B) a defined
benefit plan (as defined in Section 3(35) of ERISA); or (iii) has any liability or could reasonably be expected to have any liability with respect to any plan identified in the immediately preceding clause (ii) above. 
 5.14 O.S.H.A., ADA and Environmental Compliance. 
 (a) Each Borrower has duly complied in all material respects with, and its facilities, business assets, property, leaseholds and equipment are in compliance in all material respects with, the provisions of the Federal
Occupational Safety and Health Act (“O.S.H.A.”), the Americans with Disabilities Act (“ADA”), the Environmental Protection Act, RCRA and all other environmental laws which non-compliance with could result in a material adverse
effect on the business, condition (financial or otherwise) or results of operations of any Borrower; and there have been no citations, notices, notifications or orders of any such non-compliance issued to any Borrower or relating to its business,
assets, property, leaseholds or equipment under any such laws, rules or regulations; 
 (b) each Borrower has been issued all required
federal, state and local licenses, certificates and permits necessary or appropriate in the operation of its facilities, businesses, assets, property, leaseholds and equipment, unless the failure to obtain any such license, certificate or permit
would not have a material adverse effect on the business, condition (financial or otherwise) or results of operations of any Borrower; and 
 (c) (i) there are no visible signs of releases, spills, discharges, leaks or disposals (collectively referred to herein as “Releases”) of Hazardous Substances at, upon, under or within any real property owned, or to the actual
knowledge of any Borrower any premises leased, by any Borrower; (ii) there are no underground storage tanks or polychlorinated biphenyls on any real property owned, or to the actual knowledge of any Borrower any premises leased, by any
Borrower; (iii) no real property owned, or to the actual knowledge of any Borrower premises leased, by any Borrower has ever been used by any Borrower (and to the best of each Borrower’s knowledge, any other person) as a treatment, storage
or disposal facility for Hazardous Waste; and (iv) no Hazardous Substances are present on any real property owned, or to the actual knowledge of any Borrower any premises leased, by any Borrower, except for such quantities of Hazardous
Substances as are handled in all material respects in accordance with all applicable manufacturer’s instructions and governmental regulations, and as are necessary or appropriate for the operation of the business of the Borrowers. Each
Borrower, for itself and its successors and assigns, hereby covenants and agrees to indemnify, defend and hold harmless the Administrative Agent and the Lenders from and against any and all liabilities, losses, claims, damages, suits, penalties,
costs and expenses of every kind or nature, including, without limitation, reasonable attorneys’ fees arising from or in connection with (i) the presence or alleged presence of any Hazardous Substance or Hazardous Waste on, under or about
any property of any Borrower (including, without limitation, any property or premises now or hereafter owned or leased by any Borrower), or which is caused by or results from, directly or indirectly, any act or omission to act by any Borrower; and
(ii) any Borrower’s violation of any environmental statute, ordinance, order, rule or regulation of any governmental entity or agency thereof (including, without limitation, any liability arising under CERCLA, RCRA, HMTA or any Applicable
Laws). 
 5.15 Intellectual Property. All patents, patent applications, trademarks, trademark applications, copyrights,
copyright applications, trade names, trade secrets and licenses necessary for the conduct of the business of each Borrower are (i) owned or utilized by such Borrower, and (ii) valid and, except with respect to licenses, trade secrets and
certain copyrights, have been duly registered or filed with all appropriate governmental authorities. Schedule 5.15(a) hereto sets forth all patents, patent applications, trademarks, trademark applications, copyrights, copyright
applications, trade names, trade secrets and licenses necessary for the conduct of the business of each Borrower as of the Restatement Date, and except as disclosed in Schedule 5.15(a) hereto, there is no objection or 

  

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pending challenge to the validity of any such patent, trademark, copyright, trade name, trade secret or license; no Borrower is aware of any grounds for any
such challenge or objection thereto. Except as disclosed in Schedule 5.15(b) hereto, as of the Restatement Date, no Borrower pays any royalty to anyone in connection with any patent, trademark, copyright, trade name, trade
secret or license; and each Borrower has the right to bring legal action for the infringement of any such patent, trademark, copyright, trade name, trade secret or license. 
 5.16 Existing or Pending Defaults; Material Contracts. No Borrower is aware of any pending or threatened litigation, or any other
legal or administrative proceeding or investigation pending or threatened, against any Borrower arising from or related to any Material Contract. 
 5.17 Leases and Real Property. No Borrower owns any real property other than fixtures that may relate to various leaseholds. All leases and other agreements under which any Borrower occupies real property are in full force and
effect and constitute legal, valid and binding obligations of, and are legally enforceable against, the Borrower party thereto and, to the Borrowers’ best knowledge, are the binding obligations of and legally enforceable against, the other
parties thereto. To the Borrowers’ best knowledge, all necessary governmental approvals, if any, have been obtained for each such lease or agreement, and there have been no threatened cancellations thereof or outstanding disputes with respect
thereto. 
 5.18 Labor Relations. There are no strikes, work stoppages, material grievance proceedings, union organization
efforts or other controversies pending, or to any Borrower’s knowledge, threatened or reasonably anticipated, between any Borrower and (i) any current or former employee of any Borrower or (ii) any union or other collective bargaining
unit representing any such employee. Each Borrower has complied and is in compliance with all Applicable Laws relating to employment or the workplace, including, without limitation, provisions relating to wages, hours, collective bargaining, safety
and health, work authorization, equal employment opportunity, immigration, withholding, unemployment compensation, employee privacy and right to know, except for such non-compliance which could not reasonably be expected to have a material adverse
effect on the business, condition (financial or otherwise) or results of operations of any Borrower. Except as set forth on Schedule 5.18 hereto, as of the Restatement Date, there are no collective bargaining agreements,
employment agreements between any Borrower and any of its employees, or professional service agreements not terminable at will relating to the businesses or assets of any Borrower. The consummation of the transactions contemplated hereby will not
cause any Borrower to incur or suffer any liability relating to, or obligation to pay, severance, termination or other similar payments to any Person. 
 5.19 Assignment of Contracts. No existing Government Contract, Government Subcontract or other Material Contract of any Borrower (and no present or future interest of any Borrower, in whole or in
part, in, to or under any such Government Contract, Government Subcontract or other Material Contract) is currently assigned, pledged, hypothecated or otherwise transferred to any Person (other than in favor of the Administrative Agent for the
benefit of the Lenders ratably). 
 5.20 Contribution Agreement. The Contribution Agreement is in full force and effect, has
not been modified, altered or amended in any respect whatsoever (other than to add a new Borrower party thereto from time to time and in connection with this Agreement), and no Borrower is in default thereunder. 
 5.21 Registered Names. The corporate or company name of each Borrower set forth in this Agreement and the other Loan Documents (including,
without limitation, all of the UCC-1 financing statements) is accurate in all respects, and such corporate or company name is identical to the corporate or company name of record with such Borrower’s jurisdiction of incorporation or
organization (as applicable). 
 5.22 Ownership of the Borrowers. As of the Restatement Date, all of the issued and outstanding
capital stock of the Parent Company is owned in the percentages and by the persons or entities referenced on Schedule 5.22(a) hereto. Except as described on Schedule 5.22(b) hereto, all of the issued
and outstanding capital stock or other ownership interests of each other Borrower is owned by either the Parent Company, the Primary Operating Company or another Borrower, free and clear of any and all liens, claims and encumbrances of any type or
nature (other than the security interests granted to the Administrative Agent, for the benefit of the Lenders ratably, pursuant to this Agreement). 
 5.23 Solvency. Both prior to and after giving effect to the transactions contemplated by the terms and provisions of this Agreement, (i) each Borrower owned and owns property (including, without limitation, the

  

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Borrower’s rights under the Contribution Agreement) whose fair saleable value is greater than the amount required to pay all of such Borrower’s
indebtedness (including contingent debts), (ii) each Borrower was and is able to pay all of its indebtedness as such indebtedness matures, and (iii) each Borrower had and has capital sufficient to carry on its business and transactions and
all business and transactions in which it is about to engage. 
 5.24 Foreign Assets Control Regulations, Etc. No Borrower is
an “enemy” or an “ally of the enemy” within the meaning of Section 2 of the Trading with the Enemy Act of the United States of America (50 U.S.C. App. §§1 et seq.), as amended. No Borrower is in violation of
(a) the Trading with the Enemy Act, as amended, (b) any of the foreign assets control regulations of the United States Treasury Department (31 CFR, Subtitle B, Chapter V, as amended) or any enabling legislation or executive order relating
thereto or (c) the Patriot Act. None of the Borrowers (i) is a Blocked Person or (ii) engages in any dealings or transactions or is otherwise associated, with any such Blocked Person. 
 5.25 Federal Reserve Regulations. No director, executive officer or principal shareholder of any Borrower is a director, executive
officer or principal shareholder of any Lender. For the purposes hereof the terms “director” “executive officer” and “principal shareholder” (when used with reference to any Lender), have the respective meanings
assigned thereto in Regulations issued by the Board. 
 5.26 Commercial Tort Claims. No Borrower is a party to any
Commercial Tort Claims, except as shown on Schedule 5.26 hereto. 
 5.27 Letter of Credit
Rights. No Borrower has any Letter of Credit Rights, except as shown on Schedule 5.27 hereto. 
 5.28 Survival of Representations and Warranties. All representations and warranties made herein shall survive the making of the Loan, and shall be deemed remade and redated as of the date of each request for an advance or
readvance of any Loan proceeds, unless the Borrower is unable to remake and/or redate any such representation or warranty, discloses the same to the Lenders in writing, and such inability does not constitute or give rise to an Event of Default.

 ARTICLE 6 
 AFFIRMATIVE COVENANTS OF THE BORROWERS 
 So long as any Obligation remains outstanding or this Agreement remains in effect,
each Borrower jointly and severally covenants and agrees with the Administrative Agent and the Lenders that: 
 6.1 Payment of Loan
Obligations. Each Borrower will duly and punctually pay all sums to be paid to the Lenders, the Lead Arranger and the Administrative Agent in accordance with the terms and provisions of the Loan Documents, and will comply with, perform and
observe all of the terms and provisions thereof. 
 6.2 Payment of Taxes. Each Borrower will promptly pay and discharge when
due all federal, state and other governmental taxes, assessments, fees and charges imposed upon it, or upon any of its properties or assets, except to the extent that the non-payment thereof will not result in the execution of any tax lien or
otherwise jeopardize the Administrative Agent’s or the Lenders’ interest in or the value of any Collateral. 
 6.3 Delivery
of Financial and Other Statements. The Borrowers shall deliver to the Administrative Agent financial and other statements, each of which shall, unless otherwise expressly set forth below to the contrary, be prepared in accordance with GAAP
consistently applied, as follows: 
 (a) on or before the ninetieth (90th) day following the close of each Fiscal Year, the Borrowers will submit to the Administrative Agent (i) annual audited and unqualified consolidated
financial statements, which shall be accompanied by consolidating schedules and management letters (if issued) and certified by an independent certified public accountant acceptable to the Administrative Agent, and (ii) an annual budget for the
then current year, in form reasonably satisfactory to the Administrative Agent, certified by the Borrowers’ Chief Financial Officer or another duly authorized executive officer of the Borrowers; 
  

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 (b) on or before the forty-fifth (45th) day following the close of each fiscal quarter, the Borrowers will submit to the Administrative Agent (i) a consolidated balance sheet and income
statement, reporting the Borrowers’ current financial position and the results of their operations for the Fiscal Quarter then ended and year-to-date, (ii) internally prepared statements of cash flow and contract/status backlog reports,
(iii) a Quarterly Covenant Compliance/Non-Default Certificate in the form attached as Exhibit 5 hereto, (iv) a schedule listing each Government Contract which constitutes a Material Contract and has a remaining term of
twelve (12) months or longer, (v) detailed current aged billed accounts receivable reports, and (vi) a written report listing all office locations of the Borrowers and denoting each office location where the Borrowers maintain their
books and records, each of which shall be in form and substance satisfactory to the Administrative Agent in all respects and certified by the Borrowers’ Chief Financial Officer or another duly authorized executive officer of the Borrowers;

 (c) within ten (10) days of issuance, distribution or filing, as applicable, the Borrowers will submit to the Administrative Agent
copies of all public filings, disclosure statements and/or registration statements which any Borrower issues to, distributes to or files with the SEC or any state agency or department regulating securities (or any other Person, pursuant to the rules
and/or regulations of the SEC or any state agency or department regulating securities); 
 (d) not less than thirty (30) days prior to
any change of or addition to any of the locations within the United States where any Collateral (other than Receivables) valued, individually or in the aggregate, in excess of One Million and No/100 Dollars ($1,000,000.00) is or will be located, or
any change of or addition to the location(s) of the books and records used to generate any Borrower’s Receivables, the Borrowers will submit to the Administrative Agent a written notice specifying the new address or location of such Collateral
or books and records (as the case may be), and if required pursuant to Section 6.17 hereof, the written notice from the Borrowers shall be accompanied by the landlord lien waiver required thereunder, executed by the landlord for such new
location; and 
 (e) promptly upon the request of the Administrative Agent, the Borrowers will provide to the Administrative Agent such other
information and/or reports relating to each Borrower’s business, operations, properties or prospects as the Administrative Agent may from time to time reasonably request (including, without limitation, all documentation and other information
required by bank regulatory authorities from time to time applicable to “know your customer” and anti-money laundering rules and regulations, including the Patriot Act). 
 It is expressly understood and agreed that the Borrower certifications required under this Section 6.3 shall (i) with respect to historical data, be true and accurate in all material respects, and
(ii) with respect to projections, be reasonable. 
 6.4 Maintenance of Records; Review by the Administrative Agent. Each
Borrower will maintain at all times proper books of record and account in accordance with GAAP, consistently applied, and, subject to any applicable confidentiality and secrecy requirements imposed by any Government agency, will permit the
Administrative Agent’s officers or any of the Administrative Agent’s authorized representatives or accountants to visit and inspect each Borrower’s offices and properties, examine its books of account and other records, and discuss
its affairs, finances and accounts with the officers of any Borrower, all at such reasonable times during normal business hours, and as often as the Administrative Agent may reasonably request. 
 6.5 Maintenance of Insurance Coverage. Each Borrower will maintain in effect fire and extended coverage insurance, public liability
insurance, worker’s compensation insurance and insurance on the Collateral and each of its properties, with responsible insurance companies, in such amounts and against such risks as are customary for similar businesses, required by
governmental authorities, if any, having jurisdiction over all or part of its operations, or otherwise reasonably required by the Administrative Agent, and will furnish to the Administrative Agent certificates evidencing such continuing insurance.
The Administrative Agent, for the benefit of the Lenders ratably, shall be named as the loss payee on all hazard and casualty insurance policies and as an additional insured on all liability insurance policies. All insurance policies shall also
provide (i) that the insurer shall endeavor to provide not less than thirty (30) days written notice to the Administrative Agent prior to expiration, cancellation or material change in any coverage or otherwise, except where the expiration
or cancellation of a policy results from non-payment of premium(s) or non-renewal of the policy (in which case the policy shall provide for not less than ten (10) days prior written notice); and (ii) for waiver of subrogation. 

 

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 6.6 Maintenance of Property/Collateral; Performance of Contracts. Each Borrower will at all
times maintain the Collateral and its tangible property, both real and personal, in good order and repair (subject to ordinary wear and tear), and will permit the Administrative Agent’s officers or authorized representatives to visit and
inspect the Collateral and each Borrower’s tangible property at such reasonable times during normal business hours, as and when the Administrative Agent deems necessary or appropriate. Each Borrower shall perform all obligations under all
Material Contracts to which it is a party, including all exhibits and other attachments to such contracts, all modifications thereto and all documents and instruments delivered pursuant thereto, and will comply with all laws, rules and regulations
governing the execution, delivery and performance thereof, except for such non-compliance which would or could not reasonably be expected to have a material adverse effect on the business, condition (financial or otherwise), results of operations or
properties of such Borrower. 
 6.7 Maintenance of Existence. Each Borrower will maintain its corporate or company existence
(as applicable) in its state of incorporation or organization as of the Restatement Date, and will provide the Administrative Agent with evidence of the same from time to time upon the Administrative Agent’s request. 
 6.8 Maintenance of Certain Deposit Accounts with the Administrative Agent. Except for the Transitional Deposit Accounts and Permitted
Foreign Bank Accounts, each Borrower will maintain its primary cash collection accounts with the Administrative Agent and all of its other primary bank accounts with a Lender. Each Lender maintaining a primary bank account of any Borrower expressly
acknowledges and agrees that (a) the Administrative Agent, for the benefit of the Lenders ratably, has been granted a first priority security interest in and to such bank account pursuant to this Agreement, (b) the Lender’s possession
of such bank account constitutes “control” for purposes of perfecting the Administrative Agent’s security interest in and to such bank account under the UCC or otherwise, and (c) such Lender’s rights and remedies with
respect to such bank account (other than rights and remedies necessary to recoup normal and customary account fees and charges imposed from time to time for maintaining and administering such bank account) shall be, and at all times remain, subject
and subordinate to the rights and remedies of the Administrative Agent granted pursuant to this Agreement or available pursuant to applicable law. 
 6.9 Maintenance of Management. The Borrowers will notify the Administrative Agent in writing of the change of any executive officer or director of the Parent Company or the Primary Operating Company within thirty
(30) days of the date of any such change. 
 6.10 Disclosure of Defaults, Etc. 
 (a) Promptly upon the occurrence thereof, each Borrower will provide the Administrative Agent and the Lenders with written notice of any Event of Default,
or any act, event, condition or occurrence that upon the giving of any required notice or the lapse of time, or both, would constitute an Event of Default. In addition, each Borrower will promptly advise the Administrative Agent and the Lenders in
writing of any condition, act, event or occurrence which comes to such Borrower’s attention that would or could reasonably be expected to prejudice the Administrative Agent’s or any Lender’s rights in connection with any Material
Contract, any Collateral, this Agreement, any Note or any other Loan Document, including, without limitation, the details of any pending or threatened suspension, debarment or other governmental action or proceeding, any pending or threatened
litigation, and any other legal or administrative proceeding or investigation pending or threatened against any Borrower, including the entry of any judgment in excess of Five Hundred Thousand and No/100 Dollars ($500,000.00) or lien (other than a
Permitted Lien) against any Borrower, its assets or property. Additionally, the Borrowers agree to provide written notice to the Administrative Agent and the Lenders within five (5) days of the date on which any obligation of a Borrower for the
payment of borrowed money, whether now existing or hereafter created, incurred or arising, becomes or is declared to be due and payable prior to the expressed maturity thereof. 
 (b) If, at any time after the Restatement Date, any Borrower shall receive any letter, notice, subpoena, court order, pleading or other document issued,
given or delivered by the Government, any Prime Contractor or by any Person acting for or on behalf of the Government or such Prime Contractor with respect to, or in any manner related to any alleged default, fraud, dishonesty, malfeasance or other
willful misconduct of a Borrower, such Borrower shall deliver a true, correct and complete copy of such letter, notice, subpoena, court order, pleading or document to the Administrative Agent, the Administrative Agent’s counsel and each Lender
within five (5) Business Days of such Borrower’s receipt thereof. Furthermore, if any Borrower shall issue, give or deliver to the Government any Prime Contractor or by any Person acting for or on behalf of the Government or such Prime
Contractor, any letter, notice, subpoena, court order, pleading or other document with respect to, or in any 

  

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manner related to, or otherwise in response to any alleged default, fraud, dishonesty, malfeasance or other willful misconduct of a Borrower, such Borrower
shall deliver a true, correct and complete copy of such letter, notice, subpoena, court order, pleading or other document to the Administrative Agent, the Administrative Agent’s counsel and each Lender and concurrent with the Borrower’s
issuance or delivery thereof to the Government, such Prime Contractor or any Person acting for or on behalf of the Government or such Prime Contractor. If any letter, notice, subpoena, court order, pleading or other document required to be delivered
to the Administrative Agent, the Administrative Agent’s counsel and each Lender pursuant to this Section 6.10 contains any information deemed “classified” by the Government and/or the dissemination of any such information to the
Administrative Agent, the Administrative Agent’s counsel and each Lender would result in the Borrowers violating any Applicable Law, then the Borrowers shall deliver to the Administrative Agent, the Administrative Agent’s counsel and each
Lender a summary of such letter, notice, subpoena, court order, pleading or other document containing a summary thereof, but including as much (but no more than) detail as can be included therein without violating any Applicable Law. 
 6.11 Security Perfection; Assignment of Claims Act; Payment of Costs. The Borrowers will execute and deliver and pay the costs of recording
and filing financing statements, continuation statements, termination statements, assignments and other documents, as the Administrative Agent may from time to time deem necessary or appropriate for the perfection of any liens granted to the
Administrative Agent or Lenders pursuant hereto or pursuant to any other Loan Document. On or before the date which is ninety (90) days from the date of any Government Contract hereafter entered into, extended or renewed by one or more
Borrowers, such Borrower(s) shall execute all documents necessary or appropriate in order to comply with the Assignment of Claims Act of 1940, as amended, 31 U.S.C. Section 3727 and 41 U.S.C. Section 15 (the “Government Contract
Assignments”) in connection with each such Government Contract; it being understood and agreed, however, that (i) no Borrower’s failure to execute and deliver any Government Contract Assignment shall constitute a default, breach or
violation of the Borrowers’ obligation(s) set forth in this Section 6.11, unless the Administrative Agent shall have made written demand upon the Borrowers to fully and faithfully comply with its obligation(s) with respect to Government
Contract Assignments set forth in this Section 6.11 above, and such demand shall have been issued by the Administrative Agent only after the occurrence of an Event of Default; and (ii) no Government Contract Assignment shall be required
for any Government Contract which (a) has a remaining value of less than Two Million Five Hundred Thousand and No/100 Dollars ($2,500,000.00), or (b) has a remaining term of less than twelve (12) months (with no option to extend). The
Borrowers acknowledge that the Administrative Agent and the Lenders will be irreparably harmed if any Borrower fails or refuses to execute and deliver any Government Contract Assignment after the Administrative Agent’s demand therefor, as and
when required pursuant to this Section 6.11, and that the Administrative Agent and the Lenders have no adequate remedy at law. In such event, the Borrowers agree that the Administrative Agent shall be entitled, in addition to all other rights
and remedies available to the Administrative Agent and/or the Lenders, to injunctive or other equitable relief to compel the Borrowers’ full compliance with the requirements of this Section 6.11. All costs and expenses (including, without
limitation, reasonable attorneys’ fees and expenses) incurred in connection with the preparation, execution, delivery and administration of Government Contract Assignments shall be borne solely by the Borrowers. Additionally, the Borrowers will
pay any and all costs incurred in connection with the transactions contemplated hereby, as well as any and all taxes (other than the Lenders’ income and franchise taxes), which may be payable as a result of the execution of this Agreement or
any agreement supplemental hereto, or as a result of the execution and/or delivery of any Note or other Loan Document. 
 6.12 Defense
of Title to Collateral. The Borrowers will at all times defend the Lenders’, the Administrative Agent’s and Borrowers’ rights in the Collateral, subject to the Permitted Liens, against all Persons and all claims and demands
whatsoever, and will, upon request of the Administrative Agent (i) furnish such further assurances of title as may be required by the Administrative Agent, and (ii) do any other acts necessary to effectuate the purposes and provisions of
this Agreement, or as required by law or otherwise in order to perfect, preserve, maintain or continue the interests of the Administrative Agent and/or Lenders in any Collateral. 
 6.13 Compliance with Law. Each Borrower will conduct its businesses and operations in compliance in all material respects with (i) all
Applicable Laws and requirements of all federal, state and local regulatory authorities having jurisdiction, (ii) the provisions of its charter documents and other corporate governance documents, (iii) all agreements and instruments by
which it or any of its properties may be bound, and (iv) all applicable decrees, orders and judgments. 
  

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 6.14 Other Collateral Covenants. 
 (a) The Borrowers will, at their own expense, make, execute, endorse, acknowledge, file and/or deliver to the Administrative Agent from time to time such
lists, descriptions and designations of Collateral, warehouse receipts, receipts in the nature of warehouse receipts, bills of lading, documents of title, vouchers, invoices, schedules, confirmatory assignments, conveyances, financing statements,
transfer endorsements, powers of attorney, certificates, reports and other assurances or instruments, and take such further steps relating to the Collateral and other property or rights covered by the interests hereby granted which the
Administrative Agent deems reasonably appropriate or advisable to perfect, preserve or protect its ownership and security interests in any Collateral. 
 (b) The Borrowers shall promptly notify the Administrative Agent in writing if, at any time, any issuer of uncertificated securities, securities intermediary or commodities intermediary has issued or holds, or will
issue or hold, any financial assets or commodities to or for the benefit of any Borrower, and the Borrowers shall obtain authenticated control letters from such issuer or intermediary, in form and substance reasonably satisfactory to the
Administrative Agent, within ten (10) days of the Administrative Agent’s demand therefor. 
 (c) If any Borrower is or becomes the
beneficiary of a letter of credit, such Borrower shall promptly, and in any event within two (2) Business Days after becoming a beneficiary, notify the Administrative Agent thereof and, following the Administrative Agent’s request, enter
into a tri-party agreement with the Administrative Agent and the issuer and/or confirmation bank with respect to all Letter of Credit Rights in connection with such letter of credit, assigning such Letter of Credit Rights to the Administrative Agent
and directing all payments thereunder to an account designated by the Administrative Agent, which tri-party agreement shall be in form and substance reasonably satisfactory to the Administrative Agent. 
 (d) The Borrowers shall promptly take all steps necessary to grant the Administrative Agent control of all electronic chattel paper in accordance with
the UCC and all “transferable records” as defined in each of the Uniform Electronic Transactions Act and the Electronic Signatures in Global and National Commerce Act. 
 (e) The Borrowers hereby irrevocably authorize the Administrative Agent at any time and from time to time to file in any filing office in any Uniform
Commercial Code jurisdiction any initial financing statements and amendments thereto that (A) describe Collateral (I) as all assets of the Borrowers or words of similar effect (other than assets expressly excluded from the description of
Collateral herein), regardless of whether any particular asset comprised in the Collateral falls within the scope of Article 9 of the Uniform Commercial Code in such jurisdiction, or (II) as being of an equal or lesser scope or with greater detail,
and (B) contain any other information required by part 5 of Article 9 of the Uniform Commercial Code for the sufficiency or filing office acceptance of any financing statement or amendment, including (I) whether any Borrower is an
organization, the type of organization and any organization identification number issued to such Borrower, and (II) in the case of a financing statement filed as a fixture filing or indicating Collateral as as-extracted collateral or timber to be
cut, a sufficient description of real property to which the Collateral relates. The Borrowers agree to furnish any such information to the Administrative Agent promptly upon request. The Borrowers also ratify their authorization for the
Administrative Agent to have filed in any Uniform Commercial Code jurisdiction any initial financing statements or amendments thereto or continuations thereof, if filed prior to the Restatement Date. 
 (f) The Borrowers shall promptly, and in any event within two (2) Business Days after the same is acquired by any Borrower, notify the
Administrative Agent of any Commercial Tort Claim acquired by a Borrower and unless otherwise consented to by the Administrative Agent, such Borrower shall enter into a supplement to this Agreement, granting to the Administrative Agent, for the
benefit of the Lenders ratably, a perfected security interest in such Commercial Tort Claim. 
 (g) If any Borrower retains possession of any
Chattel Paper or Instruments with the Administrative Agent’s consent, such Chattel Paper and Instruments shall be marked with the following legend: “This writing and the obligations evidenced or secured hereby are subject to the security
interest of Citizens Bank of Pennsylvania, as Administrative Agent.” 
 (h) No Borrower shall reincorporate or reorganize itself under
the laws of any jurisdiction other than the jurisdiction in which it is incorporated as of the Restatement Date without the prior written consent of the Administrative Agent. 
  

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 (i) Each Borrower acknowledges that it is not authorized to file any financing statement or amendment or
termination statement with respect to any financing statement without the prior written consent of the Administrative Agent and agrees that it will not do so without the prior written consent of the Administrative Agent, subject to such
Borrower’s rights under Section 9-509(d)(2) of the UCC. 
 6.15 Financial Covenants of the Borrowers. So long as any
Obligation remains outstanding or this Agreement remains in effect, the Borrowers will comply with each of the financial covenants set forth below: 
 (a) Fixed Charge Coverage Ratio. The Borrowers will maintain on a consolidated basis for each Fiscal Quarter, a Fixed Charge Coverage Ratio of not less than 1.25 to 1.00. For purposes of the foregoing, “Fixed Charge Coverage
Ratio” shall mean, for each measurement period, the sum of the Borrowers’ EBITDA, plus real property rent expense and operating lease expense, divided by the sum of the Borrowers’ real property rent expense and operating lease
expense, plus interest expense, plus cash taxes paid, and plus required principal payments on debt and Capital Lease Obligations. The Fixed Charge Coverage Ratio shall be measured on the last day of each Fiscal Quarter throughout the term of the
Loan. 
 (b) Leverage Ratio. The Borrowers will maintain at all times on a consolidated basis for each Fiscal Quarter a Leverage Ratio
of not more than 3.50 to 1.00. For purposes of the foregoing, “Leverage Ratio” shall mean, for each measurement period, the ratio of the Borrowers’ Total Funded Debt to the Borrowers’ EBITDA. The Leverage Ratio shall be measured
on the last day of each Fiscal Quarter throughout the term of the Loan. 
 Except as otherwise expressly provided above, the financial
covenants referenced above shall be calculated and tested on a rolling four (4) quarter basis, and shall include the results of any entity acquired pursuant to a Permitted Acquisition and consolidated into the Borrowers’ financial
statements within the twelve (12) month period immediately preceding the applicable covenant calculation date. Unless otherwise defined, all financial terms used in this Section 6.15 shall have the meanings attributed to such terms in
accordance with GAAP. 
 6.16 Intentionally Omitted. 
 6.17 Landlord Waivers; Subordination. If, at any time after the Restatement Date, any Borrower (other than any Foreign Borrower) shall move
or relocate any of its (a) books and records, or (b) primary business location(s) situated within the United States where Borrower assets valued, individually or in the aggregate, in excess of One Million and No/100 Dollars ($1,000,000.00)
are located, the Borrowers shall provide to the Administrative Agent, prior to any such move or relocation, a landlord lien waiver, in form and substance reasonably satisfactory to the Administrative Agent, pursuant to which each landlord shall
subordinate any statutory, contractual or other lien the landlord may have in any of the Collateral to the lien, operation and effect of the lien granted to the Administrative Agent pursuant to this Agreement and the other Loan Documents.

 6.18 Substitute Notes. Upon request of the Administrative Agent, each Borrower shall execute and deliver to the
Administrative Agent substitute promissory notes, in form and substance satisfactory to the Administrative Agent in all respects, payable to the order of such Person as may be designated by the Administrative Agent; it being understood and agreed,
however, that the aggregate principal amount of all outstanding promissory notes shall not exceed the Commitment Amount (plus the Swing Line Commitment Amount) as of the date such substitute note(s) are issued. 
 ARTICLE 7 
 NEGATIVE COVENANTS OF THE
BORROWERS 
 So long as any Obligation remains outstanding or this Agreement remains in effect, each Borrower jointly and severally
covenants and agrees that, without the prior written consent of the Administrative Agent, the Borrowers will not: 
 7.1 Change of
Control; Disposition of Assets; Merger. 
 (a) Suffer or permit majority ownership or effective control of any Borrower to be sold,
assigned or otherwise transferred, legally or equitably, to any Person, except to another Borrower; or 
  

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 (b) suffer or permit the issuance of any capital stock of any Borrower, except for the issuance of
Additional Equity Stock, whether pursuant to an employee stock option plan or an employee stock ownership plan, in form and substance reasonably satisfactory to the Administrative Agent (either such plan being referred to herein as an “Approved
ESOP”), or an employee stock purchase plan, program or arrangement, in form and substance reasonably satisfactory to the Administrative Agent (an “Approved ESPP”); or 
 (c) permit any Borrower to sell, assign, loan, deliver, lease, transfer or otherwise dispose of property or assets (including, without limitation, stock,
equity or any other type of ownership interests of another Borrower), except for (i) transfers of assets between Borrowers in which the Administrative Agent continues to have a perfected first priority security interest in and to all such
assets constituting Collateral (after giving effect to such transfer), subject, however, to Permitted Liens; (ii) subleasing of any premises which is not necessary for a Borrower’s business operations; and (iii) asset dispositions to
non-Borrowers consummated in the ordinary course of the Borrowers’ business, provided that the fair market value of any and all such asset dispositions does not exceed One Million and No/100 Dollars ($1,000,000.00), in the aggregate, during any
twelve (12) consecutive month period; or permit any Borrower to become a party to any document, instrument or agreement (other than this Agreement and the other Loan Documents) which prohibits, limits or restricts such Borrower from assigning,
pledging, hypothecating or otherwise encumbering any of its assets, including, without limitation, any capital stock or other equity interests of another Borrower; or 
 (d) permit any Borrower or any Affiliate of any Borrower to merge or consolidate with any business, company or enterprise, or acquire or purchase any business, company or enterprise or acquire or purchase
substantially all of the assets of any business, company or enterprise; it being understood and agreed, however, that the Administrative Agent’s prior written consent shall not be required for any of the following: 
 (i) any merger between Borrowers; provided that (A) the Borrowers shall have provided not less than fifteen (15) days prior written notice to
the Administrative Agent of the proposed merger, and such notice sets forth all of the material terms of such merger (including, without limitation, the purpose for consummating such merger), (B) after giving effect to such merger, the
Administrative Agent, for the benefit of the Lenders ratably, shall have a perfected first priority security interest in and to all of the assets of the surviving Borrower constituting Collateral (subject to Permitted Liens), (C) within ten
(10) days of the effective date of such merger, true, correct and complete state-certified copies of the articles of merger, plan of merger and all other documents, instruments and agreements relating thereto shall have been provided by the
Borrowers to the Administrative Agent, and (D) promptly (but in all events within fifteen (15) days) following the Administrative Agent’s request, the Borrowers shall have executed, issued and/or delivered to the Administrative Agent
such documents, instruments and agreements as the Administrative Agent may reasonably require in connection with or as a result of such merger; or 
 (ii) any other merger or acquisition by any Borrower with or of a non-Borrower (a “Target”) which meets all of the following criteria: 
 A. the merger or acquisition results in the acquisition by such Borrower of all or substantially all of the assets of the Target or at least eighty-five percent (85%) of all of the issued and outstanding equity
or ownership interests in the Target, in either case, free and clear of any and all liens, claims and encumbrances (other than Permitted Liens); 
 B. the Target is in a similar line or lines of business as that of the Borrowers; 
 C. the Target is a going concern, not involved
in any material litigation that is not fully covered by reserves and/or insurance and shall have not suffered any material adverse change in its business, operations, condition or assets at any time after the immediately preceding fiscal quarter end
and prior to the effective date of the merger or acquisition; 
 D. the subject transaction does not constitute a hostile acquisition or
merger; 
 E. both prior to and after giving effect to the merger or acquisition, no Event of Default shall exist or have occurred;

  

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 F. the Borrowers will be in compliance with all financial covenants set forth in Section 6.15 of
this Agreement both prior to and after giving effect to the merger or acquisition and the Leverage Ratio will not exceed 3.25 to 1.00 after giving effect to the proposed merger or acquisition; 
 G. after giving effect to the merger or acquisition, there is at least Twenty-five Million and No/100 Dollars ($25,000,000.00) of excess availability
under the Revolving Facility; 
 H. the aggregate amount of cash consideration, whether paid or unpaid, for any individual merger and/or
acquisition (or a series of transactions comprising any one particular merger or acquisition) shall not exceed Seventy-five Million and No/100 Dollars ($75,000,000.00); 
 I. the Borrowers shall not assume any obligation or liability that would be included in the calculation of Total Funded Debt as a condition of such merger or acquisition other than capitalized leases entered into in
the ordinary course of business, normal and customary accruals and other Indebtedness expressly permitted pursuant to this Agreement; 
 J.
the Borrowers shall have certified in writing, or concurrent with the consummation of the subject merger or acquisition shall certify in writing, to the Administrative Agent that the subject merger or acquisition meets the requirements of a
Permitted Acquisition as set forth above; and 
 K. the Target shall be joined as a “Borrower” party to this Agreement and the
other Loan Documents pursuant to Section 1.10 of this Agreement within fifteen (15) days of the effective date of the merger or acquisition or such later date as otherwise provided for pursuant to Section 1.10 of this Agreement.

 In the event that the Administrative Agent issues its consent to a hostile acquisition, such consent shall be subject to, among other
things, the Borrowers’ agreement to indemnify, defend and hold the Administrative Agent and the Lenders harmless from and against any and all claims, demands, losses, liabilities, damages, costs and expenses of every kind and nature, including
without limitation, reasonable attorneys’ fees, related to, arising out of or in connection with such acquisition, pursuant to an indemnity agreement satisfactory to the Administrative Agent and the affected Lender in all respects. 

7.2 Margin Stocks. Use all or any part of the proceeds of any advance made hereunder to purchase or carry, or to reduce or retire any
loan incurred to purchase or carry, any margin stocks (within the meaning of Regulations U, T or X of the Board) or to extend credit to others for the purpose of purchasing or carrying any such margin stocks. 
 7.3 Change of Operations. Change the general character of any Borrower’s business as conducted on the Restatement Date, or engage in
any type of business not directly related to or compatible with such business as presently and normally conducted or suffer or permit any change to the Fiscal Year of any Borrower or the accounting methods of any Borrower. 
 7.4 Judgments; Attachments. Suffer or permit any judgment in excess of Five Hundred Thousand and No/100 Dollars ($500,000.00) against any
Borrower or any attachment against any Borrower’s property (for an amount not fully covered by insurance) to remain unpaid, undischarged or undismissed for a period of ten (10) days, unless enforcement thereof shall be effectively stayed
or bonded. 
 7.5 Further Assignments; Performance and Modification of Contracts; etc. Except as may be expressly permitted by
the Loan Documents (i) make any further assignment, pledge or disposition of the Collateral or any part thereof; (ii) permit any set-off or reduction, delay the timing of any payment under, or otherwise modify any Material Contract, if
such set-off, reduction, delay or modification (a) would have a material adverse effect on the business, condition (financial or otherwise) or results of operations of any Borrower, or (b) could reasonably be expected to have a material
adverse effect on the condition (financial or otherwise), operations, properties or assets of any Borrower; (iii) create, incur or permit to exist any lien or encumbrance on any real property now or hereafter owned by any Borrower; or
(iv) do or permit to be done anything to impair the Administrative Agent’s security interest in any Collateral or the payments due to any Borrower thereunder; it being understood that reasonable and customary compromises and settlements
with Account Debtors in the ordinary course of the Borrower’s business will not constitute a violation of this covenant. 
  

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 7.6 Affect Rights of the Administrative Agent or Lenders. At any time do or perform any act
or permit any act to be performed which would or reasonably could materially adversely affect the interests or rights of the Administrative Agent or Lenders under any Loan Document. 
 7.7 Indebtedness; Granting of Security Interests. 
 (a) Suffer or permit any Borrower to incur any Indebtedness, whether direct or indirect, except for: 
 (i)
trade debt and operating leases incurred in the ordinary course of business; 
 (ii) indebtedness outstanding on the Restatement Date and
listed on Schedule 7.7(a) hereto, but any increase thereof would be subject to subsection (ix) below; 
 (iii)
inter-company indebtedness (including inter-company guarantees) by and among the Borrowers in which the Administrative Agent has a perfected security interest in and to all of their assets constituting Collateral; 
 (iv) performance guarantees issued by any Borrower for the benefit of another Borrower; 
 (v) bid bonds and/or performance bonds issued on behalf of any and all Borrowers in the ordinary course of business in an amount not to exceed,
individually or in the aggregate, One Million and No/100 Dollars ($1,000,000.00), at any time; 
 (vi) indebtedness secured by liens listed
on Schedule 7.7(c) hereto, or other indebtedness secured by Permitted Liens, but not any increases thereof; 
 (vii)
indebtedness incurred to finance (by purchase or lease) equipment constituting capital expenditures, provided that such indebtedness does not violate any other covenant set forth in this Agreement; 
 (viii) guarantees expressly permitted by the terms of this Agreement; 
 (ix) any other unsecured indebtedness (not specifically described or pre-approved in this Section 7.7(a)), provided that the aggregate amount of such indebtedness remaining unpaid and outstanding at any time does
not exceed Two Million Five Hundred Thousand and No/100 Dollars ($2,500,000.00); 
 (x) any Hedging Obligations; and 
 (xi) any Permitted Financial Product Obligations. 
 (b) mortgage, assign, pledge, hypothecate or otherwise encumber or permit any lien, security interest or other encumbrance, including purchase money liens, whether under conditional or installment sales arrangements or otherwise, to affect
the Collateral or any other assets or properties of any Borrower (except for Permitted Liens and other liens, security interests or encumbrances expressly permitted herein); or 
 (c) enter into any agreement or understanding with any Person pursuant to which any Borrower agrees to be bound by a covenant not to encumber all or any
part of the property or assets of such Borrower, unless such agreement or understanding is entered into in connection with the granting of purchase money security interests permitted pursuant to the terms and provisions of this Agreement.

 7.8 Dividends; Loans; Advances; Investments and Similar Events. 
 (a) Declare or pay any dividend on any Borrower’s capital stock or other equity interests of any class; alter or amend any Borrower’s capital
structure; purchase, redeem or otherwise retire any shares of any Borrower’s capital stock or other equity interests (other than purchases or redemptions that (i) do not occur at any 

  

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time after an Event of Default has occurred and is continuing, (ii) are made by a Borrower and do not cause or result in an Event of Default, and
(iii) in any twelve (12) month period do not exceed a net Two Million and No/100 Dollars ($2,000,000.00), in the aggregate (said $2,000,000 (A) to be calculated after netting against any such purchases or redemptions any new issuances
of capital stock or other equity interests to employees in the same twelve (12) month period and related tax consequences, and (B) not to include any purchases by an Approved ESOP or Approved ESPP)), for so long as the Facilities remain
unpaid and outstanding or the Lenders have any continuing obligations hereunder); voluntarily prepay, acquire or anticipate any sinking fund requirement of any indebtedness; or make any distributions in cash or assets to any Borrower’s equity
owners or any Borrower’s Affiliate which is not a Borrower under this Agreement; 
 (b) make any loans, salary advances or other
payments to (i) any equity owners of any Borrower, unless such equity owner is also a Borrower party to this Agreement in which the Administrative Agent has a perfected security interest in and to all of its assets constituting Collateral at
the time such loan, salary advance or other payment is made; (ii) any corporation, company or other enterprise directly or indirectly owned in whole or in part by any equity owner of any Borrower, unless such corporation, company or other
enterprise is also a Borrower party to this Agreement in which the Administrative Agent has a perfected security interest in and to all of its assets constituting Collateral at the time such loan, salary advance or other payment is made; or
(iii) any other Person; provided, however, that the Borrowers may make or continue to have outstanding any or all of the following: 
 (i) loans or advances to individual officers, present employees or former employees of any Borrower, provided, that all such loans and advances to such persons may not exceed One Million and No/100 Dollars ($1,000,000.00), in the aggregate,
at any time; it being understood that travel advances and employee retention bonuses made in the ordinary course of business shall not be included in calculating the foregoing computation; 
 (ii) loans to individual officers and employees of any Borrower, the proceeds of which shall be advanced on a net cash basis and used solely to finance
the purchase of stock in the Parent Company by such officer or employee pursuant to and in accordance with an Approved ESPP; 
 (iii) loans,
advances and/or payments from one Borrower to another Borrower; provided that the Administrative Agent has a perfected security interest in and to all of each Borrower’s assets constituting Collateral; 
 (iv) loans, advances and/or payments in the amounts which are unpaid or outstanding as of the Restatement Date and listed on Schedule
7.8(c) hereto; 
 (v) trade credit extended to customers of the Borrowers in the ordinary course of business; 
 (vi) Ordinary Course Payments; 
 (vii)
negotiable instruments endorsed for deposit or collection in the ordinary course of business; 
 (viii) securities or certificates of
deposit with maturities of two (2) years or less; provided that, concurrent with such investment, any and all securities or certificates of deposit (other than those acquired in connection with RABBI trusts and deferred compensation plans)
shall have been pledged to the Administrative Agent, for the benefit of the Lenders ratably, pursuant to documentation reasonably satisfactory to the Administrative Agent; 
 (ix) investment loans or advances to ICF India or any other Non-Borrower Affiliate in an aggregate amount not to exceed Two Million and No/100 Dollars
($2,000,000.00) outstanding at any time, calculated on a net basis (i.e., any cash proceeds returned by a Non-Borrower Affiliate, whether through a dividend, distribution, share redemption, payment of principal on debt or otherwise, together with
payments received from customers of Borrowers for work done by a Non-Borrower Affiliate under customer contracts of Borrowers, to the extent such payments are received in the ordinary course of such non-Borrower Affiliate’s business and the
allocated amount thereof is commensurate with amounts ordinarily payable between two unrelated 

  

 38 

 
and unaffiliated third parties (i.e., on market terms), shall be added back as availability for the aggregate investment limit; provided that such cash
proceeds are not subject to revocation, recission, disgorgement, set off or other claim diminishing the full value thereof); 
 (x)
Permitted Investments; and 
 (xi) so long as no Event of Default shall have occurred and be continuing, regularly scheduled payments on any
other Indebtedness expressly permitted pursuant to Section 7.7 of this Agreement. 
 7.9 Lease Obligations. Except as may
be expressly permitted by Section 7.7 of this Agreement, enter into any new lease of real or personal property, except in the ordinary course of business. 
 7.10 Intentionally Omitted.  
 7.11 Lockbox Deposits. Permit or cause any and
all payments required to be made directly to the Administrative Agent, pursuant to Section 11.2 of this Agreement, to be made or directed to any other Person, without the prior approval of the Administrative Agent. 
 7.12 Sale and Leaseback Transactions; Other Agreements. 
 (a) Directly or indirectly, enter into any arrangement with any Person providing for any Borrower to lease or rent property that such Borrower has sold or will sell or otherwise transfer to such Person; or 

(b) directly or indirectly, enter into any Material Contract pursuant to which the execution, delivery and/or performance of the obligations of any
Borrower under this Agreement or under any other Loan Document would violate the terms of or constitute a default under such Material Contract. 
 7.13 Intentionally Omitted. 
 7.14 Anti-Terrorism Laws. Suffer or permit
any Borrower to (i) Conduct any business or engage in any transaction or dealing with a Blocked Person, including the making or receiving of any contribution of funds, goods or services to or for the benefit of any
Blocked Person; (ii) deal in, or otherwise engage in any transaction relating to, any property or interests in property blocked pursuant to Executive Order No. 13224; or (iii) engage in or conspire to engage in any transaction that
evades or avoids, or has the purpose of evading or avoiding, or attempts to violate, any of the prohibitions set forth in Executive Order No. 13224 or the Patriot Act. Each Borrower shall deliver to the Administrative Agent any certification or
other evidence reasonably requested from time to time by the Administrative Agent, confirming such Borrower’s compliance with this Section 7.14. 
 7.15 Intentionally Omitted. 
 7.16 Capital Expenditures. The Borrowers
shall not, on an aggregate and consolidated basis, make or incur any capital expenditures, during any Fiscal Year, in excess of an amount equal to one and one-half percent (1.50%) of the Borrowers’ gross annual revenues for the immediately
preceding twelve (12) month period. 
 ARTICLE 8 
 COLLATERAL ACCOUNT 
 Except for any Borrower utilizing Permitted Foreign Bank Accounts, the Borrowers
will deposit or cause to be deposited into a collateral account (the “Collateral Account”) designated by the Administrative Agent, all checks, drafts, cash and other remittances received by the Borrowers, and shall deposit such items for
credit to the Collateral Account within two (2) Business Days of the receipt thereof and in precisely the form received. Pending such deposit, the Borrowers will not commingle any such items of payment with any of their other funds or property,
but will hold them separate and apart. Notwithstanding the foregoing, the Borrowers shall have the right to maintain certain deposit account(s) (each a “Transitional Deposit Account”) as follows: (i) Z-Tech Corporation may maintain a
depository account with SunTrust Bank until June 28, 2008, provided that the wire transfer arrangement with SunTrust Bank remains in place at all times hereafter; (ii) Simat, Helliesen & Eichner, Inc. may 

  

 39 

 
maintain a depository account with Citibank, N.A. until December 3, 2008, provided that a wire transfer arrangement with Citibank,, N.A. is in place on
or prior to March 1, 2008, and such arrangement remains in place at all times thereafter with Citibank, N.A.; (iii) Jones & Stokes Associates, Inc. may maintain a depository account with Wells Fargo Bank, N.A. until
February 1, 2009, provided that a wire transfer arrangement with Wells Fargo Bank, N.A. is in place on or prior to June 30, 2008, and such arrangement remains in place at all times thereafter with Wells Fargo Bank, N.A., and (iv) to
the extent that an entity is joined as a “Borrower” party hereunder pursuant to Section 7.1(d)(ii) or otherwise, such Borrower may maintain its existing bank account(s) for a period of two hundred seventy (270) days after such
acquisition, provided that a wire transfer arrangement with the financial institution(s) maintaining such account(s) is in place on or prior to the ninetieth (90th) day after such acquisition, and such arrangement remains in place at all times thereafter; provided that each Transitional Deposit Account shall (a) be used solely for the deposit/receipt of cash, checks
and other remittances owing to the Borrowers from time to time, and (b) be at all times, free and clear of any and all liens claims and encumbrances (other than the security interest of the Administrative Agent granted hereby and the rights and
remedies of the financial institution maintaining such account, but only to the extent that the exercise of such rights and remedies by such financial institution can be based solely upon claims for reimbursement of normal and customary fees and
charges for account maintenance and account administration). Each wire transfer arrangement referenced above must be in form and substance reasonably satisfactory to the Administrative Agent. 
 The Borrowers hereby covenant and agree that the Collateral Account, the Transitional Deposit Accounts and the Permitted Foreign Bank Accounts shall
secure the Obligations and hereby grant, assign and transfer to or at the direction of the Administrative Agent, for the benefit of the Lenders ratably, a continuing security interest in all of the Borrowers’ right, title and interest in and to
the Collateral Account, the Transitional Deposit Accounts and the Permitted Foreign Bank Accounts, whenever created or established. Subject to the terms of this Agreement and any other Loan Document, the Administrative Agent may apply funds in the
Collateral Account, the Transitional Deposit Accounts and/or the Permitted Foreign Bank Accounts to any of the Obligations, including, without limitation, any principal, interest or other payment(s) not made when due, whether arising under this
Agreement and/or any other Loan Document, or any other Obligation of the Borrowers, without regard to the origin of the deposits in the account, the beneficial ownership of the funds therein or whether such Obligations are owed jointly with another
or severally; the order and method of such application to be in the sole discretion of the Administrative Agent. The Administrative Agent’s right to deduct sums due under the Loan Documents from the Borrowers’ account(s) shall not relieve
the Borrowers from their obligation to make all payments required by the Loan Documents as and when required by the Loan Documents, and the Administrative Agent shall not have any obligation to make any such deductions or any liability whatsoever
for any failure to do so. 
 ARTICLE 9 
 DEFAULT AND REMEDIES 
 9.1 Events of Default. Any one of the following events shall be
considered an “Event of Default”: 
 (a) if any Borrower shall fail to pay any principal, interest or other sum owing on any of the
Notes or any other Obligation when the same shall become due and payable, whether by reason of acceleration or otherwise; or 
 (b) if any
Borrower shall fail to pay and satisfy in full, within ten (10) days of the rendering thereof, any judgment against any Borrower in excess of Five Hundred Thousand and No/100 Dollars ($500,000.00), which is not, to the reasonable satisfaction
of the Administrative Agent, fully bonded, stayed, covered by insurance or covered by appropriate reserves; or 
 (c) if any warranty or
representation not qualified by “materiality” set forth in this Agreement or in any other Loan Document shall be misleading or untrue in any material respect when made or remade, or if any warranty or representation qualified by
“materiality” set forth in this Agreement or in any other Loan Document shall be misleading or untrue in any respect when made or remade; or 
 (d) if there shall be non-compliance with or a breach of any of the Affirmative Covenants contained in this Agreement (other than the financial covenants set forth in Section 6.15 of this Agreement or any other
Affirmative Covenant specifically addressed elsewhere in this Section 9.1), and such non-compliance or breach shall continue unremedied after fifteen (15) days written notice from the Administrative Agent; or 
  

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 (e) if there shall be non-compliance with or a breach of any of the Negative Covenants contained in this
Agreement; or 
 (f) if there shall be non-compliance with or a breach of any of the financial covenants set forth in Section 6.15 of
this Agreement; or 
 (g) if a default shall occur under any of the other Loan Documents and such default shall have continued unremedied
after the expiration of any applicable notice and/or cure period; or 
 (h) if (i) without the prior written consent of the
Administrative Agent, any Borrower shall be liquidated or dissolved or shall discontinue its business; (ii) a trustee or receiver is appointed for any Borrower or for all or a substantial part of its assets; (iii) any Borrower makes a
general assignment for the benefit of creditors; (iv) any Borrower files or is the subject of any insolvency proceeding, petition in bankruptcy or similar proceeding (whether such petition or proceeding shall be pursued in a court of law or
equity), which in the case of an involuntary bankruptcy, remains undismissed for sixty (60) days; (v) any Borrower shall become insolvent or any Borrower shall at any time fail generally to pay its debts as such debts become due; or
(vi) any governmental agency or bankruptcy court or other court of competent jurisdiction shall assume custody or control of the whole or any part of the assets of any Borrower; or 
 (i) if any Borrower’s property or assets, including, without limitation, any deposit accounts, are levied upon, attached or subject to any other
enforcement proceeding and such levy, attachment or enforcement proceeding (i) involves amounts in excess of Two Hundred Fifty Thousand and No/100 Dollars ($250,000.00), and (ii) is not fully bonded or stayed; or 
 (j) if any Borrower shall change its registered name, state of incorporation or state of organization (as applicable), without the prior written consent
of the Administrative Agent; or 
 (k) if any obligation(s) of one or more Borrowers for the payment of borrowed money, which involves
amounts, individually or in the aggregate, in excess of One Million and No/100 Dollars ($1,000,000.00), whether now existing or hereafter created, incurred or arising, becomes or is declared to be due and payable prior to the expressed maturity
thereof, whether such obligation is owed to the Administrative Agent, a Lender or any other Person; or 
 (l) if (i) there shall be a
default under any Material Contract which has had or could reasonably be expected to have a material adverse effect on the properties, business, profit or condition (financial or otherwise) of any Borrower or the ability of any Borrower to perform
its obligations set forth in this Agreement or in any other Loan Document; or (ii) a cure notice issued under any Material Contract shall remain uncured beyond (x) the expiration of the time period available to the Borrower pursuant to
such Material Contract and/or such cure notice (as the case may be), to cure the noticed default, or (y) the date on which the other contracting party is entitled to exercise its rights and remedies under such Material Contract as a consequence
of such default; or 
 (m) if (i) any Borrower is debarred or suspended from contracting with any part of the Government; (ii) a
notice of debarment or suspension shall have been issued to any Borrower; or (iii) a notice of termination for default or the actual termination for default of any federal Government Contract shall have been issued to or received by any
Borrower; or (iv) a Government investigation or inquiry relating to any Borrower and involving fraud, deception, dishonesty, willful misconduct or any allegation thereof shall have been commenced in connection with any federal Government
Contract or any Borrower’s activities; or 
 (n) if the Administrative Agent is not satisfied in its sole discretion with the results of
any field audit conducted pursuant to this Agreement; and/or 
 (o) if the Administrative Agent believes that a material adverse change shall
have occurred in the business, assets, properties, condition (financial or otherwise) of the Borrowers, taken as a whole. 
  

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 9.2 Remedies. Upon the occurrence of the Event of Default set forth in Section 9.1(h)
of this Agreement, all commitments of the Lenders hereunder shall automatically (and without further notice, demand or other action) terminate, and all principal, accrued and unpaid interest and all other Obligations shall automatically (and without
further notice, demand or other action) become immediately due and payable in full. Without limiting the foregoing, or any other right or remedy of the Administrative Agent and/or the Lenders set forth in this Agreement, upon the occurrence of any
Event of Default, the Administrative Agent, acting on behalf of the Lenders, may exercise any or all of the following remedies: 
 (a)
Withhold disbursement of all or any part of the Loan proceeds; 
 (b) Terminate the Lenders’ obligation to make further disbursements of
the Loan proceeds; 
 (c) Declare all principal, interest and other sums owing on the Obligations to be immediately due and payable without
demand, protest, notice of protest, notice of default, presentment for payment or further notice of any kind; 
 (d) Without notice, redirect
any and all of the Borrowers’ deposits to the Collateral Account or any other account under the Administrative Agent’s or any Lender’s exclusive control; 
 (e) Without notice, offset and apply against all or any part of the Obligations then owing by any Borrower to any Lender, any and all money, credits, stocks, bonds or other securities or property of any Borrower of
any kind or nature whatsoever on deposit with, held by or in the possession of Administrative Agent or any Lender in any capacity whatsoever, including, without limitation, any deposits with Administrative Agent or any Lender or any of its
Affiliates, to the credit of or for the account of any Borrower. The Administrative Agent and the Lenders are authorized at any time to charge the Obligations against any Borrower’s account(s), without regard to the origin of deposits to the
account or beneficial ownership of the funds. Any and all amounts obtained by the Administrative Agent or any Lender pursuant to this subsection (e) shall be shared by all of the Lenders ratably, in accordance with each Lender’s
Percentage; it being expressly acknowledged and agreed that each Lender, as well as the Administrative Agent, shall be entitled to exercise the rights of set-off provided in this subsection (e) of this Section 9.2; 
 (f) Exercise all rights, powers and remedies of a secured party under the UCC and/or any other Applicable Law(s), including, without limitation, the
right to (i) require the Borrowers to assemble the Collateral (to the extent that it is movable) and make it available to the Administrative Agent at a place to be designated by the Administrative Agent, and (ii) enter upon any
Borrower’s premises, peaceably by the Administrative Agent’s own means or with legal process, and take possession of, render unusable or dispose of the Collateral on such premises; each Borrower hereby agreeing not to resist or interfere
with any such action. The Administrative Agent agrees to give the Borrowers written notice of the time and place of any public sale of the Collateral or any part thereof, and the time after which any private sale or any other intended disposition of
the Collateral is to be made, and such notice will be mailed, postage prepaid, to the principal place of business of the Borrowers, at least ten (10) days before the time of any such sale or disposition. Each Borrower hereby authorizes and
appoints the Administrative Agent and its successors and assigns to (x) sell the Collateral, and (y) declare that each Borrower assents to the passage of a decree by a court of proper jurisdiction for the sale of the Collateral. Any such
sale pursuant to (x) or (y) above is to be made in accordance with the applicable provisions of the laws and rules of procedure of the Commonwealth of Virginia or other Applicable Law; and/or 
 (g) Proceed to enforce such other and additional rights and remedies as the Administrative Agent and/or Lenders may have hereunder and/or under any of
the other Loan Documents, or as may be provided by applicable law. 
 It is expressly understood and agreed that the Lenders and/or the
Administrative Agent may exercise their respective rights under this Agreement or under any other Loan Document without exercising the rights or affecting the security afforded by any other Loan Document, and it is further understood and agreed that
the Administrative Agent may (at the direction of the Required Lenders) proceed against all or any portion of the Collateral in such order and at such times as the Administrative Agent, in its sole discretion, sees fit; and each Borrower hereby
expressly waives, to the extent permitted by law, all benefit of valuation, appraisement, marshaling of assets and all exemptions under the laws of the Commonwealth of Virginia and/or any other state, district or 

  

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territory of the United States. Furthermore, if any Borrower shall default in the performance when due of any of the provisions of this Agreement, the
Administrative Agent, without notice to or demand upon the Borrowers (and without any grace or cure period) and without waiving or releasing any of the Obligations or any default hereunder, under the Notes or under any other Loan Document, may (but
shall be under no obligation to) perform the same for each Borrower’s account, and any monies expended in so doing shall be chargeable to the Borrowers with interest, at the highest rate of interest payable under Notes, plus two percent
(2%) per annum, and added to the indebtedness secured by the Collateral. 
 All sums paid or advanced by the Administrative Agent (or
any Lender to the extent incurred pursuant to this Agreement) in connection with the foregoing or otherwise in connection with the Loan, and all court costs and expenses of collection, including without limitation, reasonable attorneys’ fees
and expenses (and fees and expenses resulting from the taking, holding or disposition of the Collateral) incurred in connection therewith shall be paid by the Borrowers upon demand and shall become a part of the Obligations secured by the
Collateral. The Borrowers agree to bear the expense of each lien search, property and judgment report or other form of Collateral ownership investigation as the Administrative Agent, in its discretion, shall deem necessary or desirable to assure or
further assure to the Lenders and/or the Administrative Agent their respective interests in the Collateral. 
 ARTICLE 10 

THE ADMINISTRATIVE AGENT; AGENCY 
 10.1 Appointment. Each Lender hereby affirms its irrevocable appointment of Citizens Bank to act as the Administrative Agent for each such Lender pursuant to the provisions of this Agreement and the other Loan Documents, and
affirms its irrevocable authorization given to the Administrative Agent to take such action, and exercise such powers and perform such duties as are expressly delegated to or required of the Administrative Agent by the terms hereof or thereof, or
are reasonably incidental thereto, including without limitation, executing documents on behalf of the Lenders, as Administrative Agent. Citizens Bank affirms its agreement to act as the Administrative Agent on behalf of the Lenders on the terms and
conditions set forth in this Agreement and the other Loan Documents, subject to its right to resign as provided in Section 10.10. Each Lender agrees that the rights and remedies granted to the Administrative Agent under this Agreement and the
other Loan Documents shall be exercised exclusively by the Administrative Agent, and that no Lender shall have the right individually to exercise any such right or remedy, except to the extent expressly provided herein or therein. 
 10.2 General Nature of Administrative Agent’s Duties. Notwithstanding anything to the contrary elsewhere in this Agreement or any
other Loan Document: 
 (a) the Administrative Agent shall have no duties or responsibilities other than those expressly set forth in this
Agreement and the other Loan Documents, and no implied duties or responsibilities on the part of the Administrative Agent shall be read into this Agreement or any other Loan Document or shall otherwise exist; 
 (b) the duties and responsibilities of the Administrative Agent under this Agreement and the other Loan Documents shall be mechanical and administrative
in nature, and the Administrative Agent shall not have a fiduciary relationship in respect of any Lender; 
 (c) the Administrative Agent is
and shall be solely the agent of the Lenders. The Administrative Agent does not assume, and shall not at any time be deemed to have, any relationship of agency or trust with or for, or any other duty or responsibility to, any Borrower or any other
Person (except only for its relationship as agent for, its express duties and responsibilities as agent for, and its express duties and responsibilities to, the Lenders as provided in this Agreement and the other Loan Documents); and 
 (d) the Administrative Agent shall not have any obligation to take any action hereunder or under any other Loan Document if the Administrative Agent
believes in good faith that taking such action may (i) conflict with any Applicable Laws, or any provision of this Agreement or any other Loan Document, (ii) may require the Administrative Agent to qualify to do business in any
jurisdiction where it is not then so qualified, or (iii) result in any liability of the Administrative Agent or any Lender not fully covered by insurance. 
  

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 10.3 Exercise of Powers. 
 (a) The Administrative Agent shall have the authority to take any action of the type specified in this Agreement or any other Loan Document as being
within the Administrative Agent’s rights, powers or discretion, as it determines in its sole discretion, except as provided in subsection (b) below, and except as provided herein or in any other Loan Document, when such action expressly
requires the direction or consent of (i) the Required Lenders, or (ii) all of the Lenders, in either of which circumstances the Administrative Agent shall not take such action absent such direction or consent. Any action or inaction
pursuant to such direction or consent shall be binding on all of the Lenders. 
 (b) The Administrative Agent shall not in any material
respect (as determined by the Administrative Agent in its reasonable, good faith discretion) amend, modify, grant consents or waive any term or provision of this Agreement or any other Loan Document without the consent or approval of the Required
Lenders, or declare an Event of Default, provide formal written notice of default to any Borrower or exercise any rights or remedies against any Borrower without the prior consent of the Required Lenders. Each Lender agrees that its decision to
consent to or reject any request by the Administrative Agent for permission to declare an Event of Default, provide formal notice thereof to any Borrower and/or exercise any rights or remedies arising by virtue of such default, shall be made as soon
as reasonably practicable after the Lender has received all relevant information with respect to such request (to the extent such information shall be readily available), but in all events within five (5) Business Days of the receipt of such
information; it being understood and agreed that, unless otherwise provided herein, the Administrative Agent shall exercise any and all rights and responsibilities on behalf of the Lenders in connection with an Event of Default. Additionally, only
with the consent or approval of all of the Lenders, the Administrative Agent may (a) extend the final maturity of the Loan or any Note, reduce the interest rate or Revolving Facility Commitment Fee payable on or extend the time of payment for
any installment of principal, interest or fees payable in connection with the Loan, or issue Letters of Credit (i) having an expiration date beyond the Maturity Date, except as otherwise expressly provided in this Agreement, or
(ii) causing the aggregate outstanding amount of all such Letters of Credit issued to exceed Five Million and No/100 Dollars ($5,000,000.00), (b) increase the Percentage of the Commitment Amount of any Lender or increase the Commitment
Amount of any Lender, other than pursuant to Section 1.8 of this Agreement, (c) release all or a substantial portion of the Collateral, except in accordance with the provisions of any applicable Loan Document, (d) amend the
“Required Lenders” definition, (e) consent to the assignment or transfer by any Borrower of any of its rights or obligations hereunder, except in accordance with the provisions of any applicable Loan Document, (f) amend, modify
or waive any of the provisions set forth in this Section 10.3, (g) change the manner of application by the Administrative Agent of payments made under the Loan Documents, or (h) change the method of calculation used in connection with
the computation of interest, commissions or fees (which are payable for the ratable benefit of each Lender). Each Lender agrees that its decision to approve or reject any request for an amendment or waiver with respect to this Agreement shall be
made in good faith and as soon as reasonably practicable after the Lender has received all relevant information with respect to such request. 
 10.4 General Exculpatory Provisions. Notwithstanding anything to the contrary elsewhere in this Agreement or any other Loan Document: 
 (a) the Administrative Agent, in its capacity as Administrative Agent (but not as a Lender), shall not be liable for any action taken or omitted to be taken by it in a manner consistent with the terms of this
Agreement or any other Loan Document, unless caused by its own gross negligence or willful misconduct, as finally determined by a court of competent jurisdiction; 
 (b) the Administrative Agent shall not be responsible for (i) the execution, delivery, effectiveness, enforceability, genuineness, validity or adequacy of this Agreement or any other Loan Document, (ii) any
recital, representation, warranty, document, certificate, report or statement in this Agreement or any other Loan Document, (iii) any failure of any Borrower or any Lender to perform any of their respective obligations under this Agreement or
any other Loan Document, (iv) the existence, validity, enforceability, perfection, recordation, priority, adequacy or value, now or hereafter, of any lien or encumbrance or other direct or indirect security afforded or purported to be afforded
by any of the Loan Documents, or otherwise from time to time, or (v) caring for, protecting, insuring or paying any taxes, charges or assessments with respect to any Collateral; 
 (c) the Administrative Agent shall have no obligation to ascertain, inquire or give any notice relating to (i) the performance or observance of any
of the terms or conditions of this Agreement or any other Loan Document on the part of any Borrower, (ii) the business, operations, condition (financial or otherwise) or prospects of any Borrower, or (iii) except as otherwise expressly set
forth in this Agreement, the occurrence or existence of any Event of Default; and 
  

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 (d) the Administrative Agent shall have no obligation, either initially or on a continuing basis, to
provide any Lender with any notices, reports or information of any nature, whether in its possession presently or hereafter, except for such notices, reports and other information expressly required by this Agreement or any other Loan Document to be
furnished by the Administrative Agent to such Lender. 
 10.5 Administration by the Administrative Agent. 
 (a) The Administrative Agent may rely upon any notice or other communication of any nature (written or oral, including telephone conversations, whether or
not such notice or other communication is made in a manner permitted or required by this Agreement or any other Loan Document) purportedly made by or on behalf of the proper party or parties, and the Administrative Agent shall not have any duty to
verify the identity or authority of any person giving such notice or other communication. 
 (b) The Administrative Agent may consult with
legal counsel (including in-house counsel for the Administrative Agent), independent public accountants and any other experts selected by the Administrative Agent from time to time, and the Administrative Agent shall not be liable for any action
reasonably taken or omitted to be taken in good faith by it in accordance with the advice of such counsel, accountants or experts. 
 (c) The
Administrative Agent may conclusively rely upon the truth of the statements and the correctness of the opinions expressed in any certificates or opinions furnished to the Administrative Agent in accordance with the requirements of this Agreement or
any other Loan Document. Whenever the Administrative Agent shall deem it necessary or desirable that a matter be proved or established with respect to any Borrower or any Lender, such matter may be established by a certificate of such Borrower or
such Lender, as the case may be, and the Administrative Agent may conclusively rely upon such certificate. 
 (d) The Administrative Agent
may fail or refuse to take any action unless it shall be indemnified to its satisfaction from time to time against any and all amounts, liabilities, obligations, losses, damages, penalties, actions, judgments, suits, costs, expenses and
disbursements of every kind and nature which may be imposed on, incurred by or asserted against the Administrative Agent by reason of taking or continuing to take any such action; provided that no Lender shall be obligated to indemnify the
Administrative Agent for any portion of such amounts, liabilities, obligations, losses, damages, penalties, actions, judgments, suits, costs, expenses and disbursements resulting solely from the gross negligence or willful misconduct of the
Administrative Agent, as finally determined by a court of competent jurisdiction. 
 (e) The Administrative Agent may perform any of its
duties under this Agreement or any other Loan Document by or through agents or attorneys-in-fact. The Administrative Agent shall not be responsible for the negligence or misconduct of any agents or attorneys-in-fact selected by it with reasonable
care. 
 (f) The Administrative Agent shall not be deemed to have any knowledge or notice of the occurrence of any Event of Default (other
than a default in the payment of regularly scheduled principal or interest), unless the Administrative Agent has received from a Lender or a Borrower a written notice describing the Event of Default. If the Administrative Agent receives such a
notice, the Administrative Agent shall give prompt notice thereof to each Lender, unless such notice shall have been addressed and/or issued to all of the Lenders. 
 (g) The Administrative Agent shall provide three (3) Business Days prior notice to the Lenders of any field audit scheduled to be performed by the Administrative Agent pursuant to Section 1.6 of this
Agreement. The Lenders shall be entitled to (i) receive copies of field audits performed by the Administrative Agent, and (ii) accompany the Administrative Agent to any field audit, provided that the Administrative Agent may, in its
discretion, limit the number of Lender representatives attending any such field audit. 
 10.6 Lenders Not Relying on the
Administrative Agent or Other Lenders. Each Lender acknowledges as follows: 
 (a) neither the Administrative Agent nor any other
Lender has made any representations or warranties to it, and no act taken hereafter by the Administrative Agent or any other Lender shall be deemed to constitute any representation or warranty by the Administrative Agent or such other Lender to it;

  

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 (b) it has, independently and without reliance upon the Administrative Agent or any other Lender, and
based upon such documents and information as it has deemed appropriate, made its own credit and legal analysis and decision to enter into this Agreement and the other Loan Documents; and 
 (c) it will, independently and without reliance upon the Administrative Agent or any other Lender, and based upon such documents and information as it
shall deem appropriate at the time, make its own decisions to take or not take action under or in connection with this Agreement and the other Loan Documents. 
 10.7 Indemnification. Each Lender agrees to reimburse and indemnify the Administrative Agent, the Lead Arranger (each solely in their capacity as such) and the Administrative Agent’s and the Lead
Arranger’s respective directors, officers, employees and agents (to the extent not reimbursed by the Borrowers, and without limitation of the obligation of the Borrowers to do so), ratably in accordance with each Lender’s Percentage, from
and against any and all amounts, losses, liabilities, claims, damages, expenses, obligations, penalties, actions, judgments, suits, costs and disbursements of every kind or nature (including the reasonable fees and disbursements of counsel for the
Administrative Agent or such other Person in connection with any investigative, administrative or judicial proceeding commenced or threatened, whether or not the Administrative Agent or such other Person shall be designated a party thereto) that may
at any time be imposed on, incurred by or asserted against the Administrative Agent or such other Person as a result of this Agreement, any other Loan Document, any transaction from time to time contemplated hereby or thereby, or any transaction
financed in whole or in part or directly or indirectly with the proceeds of the Loan; provided that no Lender shall be obligated to indemnify the Administrative Agent or such other Person for any portion of such amounts, losses, liabilities,
claims, damages, expenses, obligations, penalties, actions, judgments, suits, costs or disbursements resulting solely from the gross negligence or willful misconduct of the Person seeking indemnity, as finally determined by a court of competent
jurisdiction. 
 10.8 Administrative Agent in its Individual Capacity; Administrative Agent’s Commitment. 
 (a) With respect to its commitment and the Obligations owing to it, Citizens Bank shall have the same rights and powers under this Agreement and each
other Loan Document as any other Lender, and may exercise the same as though it was not the Administrative Agent. The terms “Lender,” “holders of Notes” and like terms shall include Citizens Bank in its individual capacity.
Citizens Bank and its Affiliates may, without liability to account for, make loans to, accept deposits from, acquire debt or equity interests in, act as trustee under indentures of and engage in any other business with any Borrower and any Affiliate
of any Borrower, as though Citizens Bank was not the Administrative Agent hereunder. 
 (b) The Administrative Agent hereby agrees that it
shall at all times maintain, at a minimum, a Twenty Million and No/100 Dollar ($20,000,000.00) interest in the aggregate Commitment Amount (the “Administrative Agent’s Commitment”): 
 In the event the Administrative Agent fails to maintain the Administrative Agent’s Commitment, the Administrative Agent agrees to resign as the Administrative Agent
hereunder, if requested by the Borrowers, pursuant to Section 10.10 of this Agreement; it being expressly acknowledged and agreed that the Borrowers shall be third party beneficiaries of the Administrative Agent’s Commitment requirement
set forth in this Section 10.8(b). 
 10.9 Holders of Notes. Without limiting the requirements of Section 12.11 of
this Agreement, the Administrative Agent may deem and treat any Lender which is the payee of a Note as the owner and holder of such Note for all purposes hereof unless and until written notice evidencing such transfer shall have been filed with the
Administrative Agent. Any authority, direction or consent of any Person who at the time of giving such authority, direction or consent was a Lender shall be conclusive and binding on each present and subsequent holder, transferee or assignee of any
Note or Notes payable to such Lender or issued in exchange therefor. 
 10.10 Successor Administrative Agent. The
Administrative Agent may resign at any time by giving thirty (30) days prior written notice thereof to the Lenders and Borrowers, subject to appointment of a successor Administrative Agent (and such appointees acceptance of appointment) as
below provided in this Section 10.10. Additionally, the Administrative Agent may be removed for cause by all of the Lenders (other than the 

  

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Administrative Agent, if the Administrative Agent is then a Lender), or in the absence of an Event of Default, the Borrowers may request the Administrative
Agent’s resignation pursuant to Section 10.8(b) hereof, if removal or resignation, as applicable, is requested in writing (which wording must specifically identify the “cause” for removal), and ten (10) days’ prior
written notice of removal or resignation is provided to the Administrative Agent and Borrowers (or Lenders, if applicable). Upon any such resignation or removal, the Administrative Agent shall, on behalf of the Lenders, immediately appoint, as its
successor, another Lender; provided that such Lender is a commercial bank or trust company organized under the laws of the United States of America or any State thereof and has a combined capital and surplus of at least Five Hundred Million and
No/100 Dollars ($500,000,000.00) (a “Qualifying Person”). In such event, the Administrative Agent’s resignation or removal shall not be effective until the successor Administrative Agent shall have accepted its appointment,
provided that if the Administrative Agent shall notify the Borrowers that no Qualifying Person has accepted such appointment, then such resignation shall nonetheless become effective in accordance with such notice, and the retiring Administrative
Agent, as the case may be, shall be discharged from its duties and obligations under this Agreement. Upon the acceptance by a successor Administrative Agent of its appointment as the Administrative Agent hereunder, such successor Administrative
Agent shall thereupon succeed to and become vested with all of the properties, rights, powers, privileges and duties of the former Administrative Agent, without further act, deed or conveyance. Upon the effective date of resignation or removal of
the retiring Administrative Agent and payment of all amounts then due and payable by the Administrative Agent to the Lenders pursuant to this Agreement, such Administrative Agent shall be discharged from its duties under this Agreement and the other
Loan Documents. If for any reason, at any time, there is no Administrative Agent hereunder, then during such period, the Required Lenders shall have the right to exercise the Administrative Agent’s rights and perform its duties hereunder,
except that (i) all notices or other communications required or permitted to be given to the Administrative Agent shall be given to each Lender, and (ii) all payments to be made to the Administrative Agent shall be made directly to the
Borrowers or the Lender for whose account such payment is made. 
 10.11 Additional Agents. If the Administrative Agent shall
from time to time deem it necessary or advisable to engage other agents for its own protection in the performance of its duties hereunder or in the interests of the Lenders, then the Administrative Agent and Borrowers shall execute and deliver a
supplemental agreement and all other instruments and agreements necessary or advisable, in the opinion of the Administrative Agent, to constitute another commercial bank or trust company, or one or more other Persons approved by the Administrative
Agent, to act as co-Administrative Agent or a separate agent with respect to any part of the Collateral, with such powers as may be provided in such supplemental agreement, and with the power to vest in such bank, trust company or other Person (as
such co-Administrative Agent or separate agent, as the case may be), any properties, rights, powers, privileges and duties of the Administrative Agent under this Agreement or any other Loan Document. 
 10.12 Calculations. The Administrative Agent shall not be liable for any calculation, apportionment or distribution of payments made by it
in good faith. If such calculation, apportionment or distribution is subsequently determined to have been made in error, the sole recourse of any Lender to whom payment was due but not made shall be to recover from the Lenders any payment in excess
of the amount to which they are determined to be entitled, with interest thereon at the Federal Funds Rate, or, if the amount due was not paid by any Borrower, to recover such amount from such Borrower (subject to the terms and provisions of this
Agreement), with interest thereon at the rate provided in the applicable Note. 
 10.13 Funding by the Administrative Agent.

 (a) Except as otherwise provided in this Agreement, the Administrative Agent alone shall be entitled to make all advances in connection
with the Loan and shall receive all payments and other receipts relating to the Loan; it being understood, however, that the Administrative Agent has reserved the right not to advance any amounts to the Borrowers which the Administrative Agent has
not received from the Lenders. The Administrative Agent will notify each Lender of the date and amount of any requested advance, and if such notification is received by 1:00 p.m. Washington, D.C. time on any given Business Day, the Lenders shall
provide the required funds to the Administrative Agent no later than the close of business (i) on such Business Day in the case of Base Rate Loans and (ii) on the date specified for payments, in the case of LIBOR Rate Loans. At any time as
may be requested by the Administrative Agent or the Swing Line Lender, the Administrative Agent and each Lender shall pay to each other such amounts (the “Equalization Payments”) as may be necessary to cause each Lender to own its
applicable Percentage of the Loan and otherwise implement the terms and provisions of this Agreement; it being understood that each Lender shall be entitled to receive interest on amounts advanced by it only from the date of such Lender’s
advance of funds. The obligation of the Administrative Agent and each Lender to 

  

 47 

 
make Equalization Payments shall not be affected by a bankruptcy filing by any Borrower, the occurrence of any Event of Default or any other act, occurrence
or event whatsoever, whether the same occurs before, on or after the date on which an Equalization Payment is required to be made. All Equalization Payments shall be made by 5:00 p.m. Washington, D.C. time on the date such payment is required,
provided that notice of such Equalization Payment shall have been given to the party obligated to make such payment by 1:00 p.m. Washington, D.C. time; otherwise such Equalization Payment shall be made on the next Business Day. 
 (b) Unless the Administrative Agent shall have been notified in writing by any Lender no later than the close of business on the Business Day before the
Business Day on which an advance requested by the Borrowers is to be made, that such Lender will not make its ratable share of such advance, the Administrative Agent may assume that such Lender will make its ratable share of the advance, and in
reliance upon such assumption the Administrative Agent may (but in no circumstances shall be required to) make available to the Borrowers a corresponding amount. If and to the extent that any Lender fails to make such payment to the Administrative
Agent when required, such Lender shall pay such amount on demand (or, if such Lender fails to pay such amount on demand, the Borrowers shall arrange for the repayment of such amount to the Administrative Agent), together with interest for the
Administrative Agent’s own account for each day from and including the date of the Administrative Agent’s payment, to and including the date of repayment to the Administrative Agent (before and after judgment). Interest (a) if paid by
such Lender (i) for each day from and including the date of the Administrative Agent’s payment to and including the second Business Day thereafter, shall accrue at the Federal Funds Rate for such day, and (ii) for each day thereafter,
shall accrue at the rate or rates per annum payable under the Notes; and (b) if paid by the Borrowers, shall accrue at the rate or rates per annum payable under the Notes. All payments to the Administrative Agent under this Section shall be
made to the Administrative Agent at its office set forth in the preamble of this Agreement (or as otherwise directed by the Administrative Agent), in dollars, in immediately available funds, without set-off, withholding, counterclaim or other
deduction of any nature. 
 (c) All borrowings under this Agreement shall be incurred from the Lenders pro rata on the basis of their
respective Percentages (except to the extent advanced (i) as a Swing Line Loan, or (ii) by the Administrative Agent on behalf of any Lender as provided in subsection (a) or (b) above). It is understood that no Lender shall be
responsible for any other Lender’s failure to meet its obligation to make advances hereunder, and that each Lender shall be obligated to make advances required to be made by it hereunder regardless of the failure of any other Lender to make its
advances hereunder. 
 (d) Each payment and prepayment received by the Administrative Agent for the account of the Lenders shall be
distributed first to the Swing Line Lender for application to any Swing Line Outstandings, and then to each Lender entitled to share in such payment, ratably in accordance with each Lender’s Percentage. Notwithstanding the provisions of
Section 9.2(e) of this Agreement, any Lender who has failed to fund its Percentage of any advance under the Loan shall not be entitled to share in any such payment(s) until such time as the funding deficiency caused thereby, together with
interest thereon (as provided in subsection (b) above), has been paid to the Administrative Agent in accordance with the terms and conditions of this Agreement. Payments from the Administrative Agent to the Lenders shall be made by wire
transfer in accordance with written instructions provided to the Administrative Agent by the Lenders from time to time. Unless the Administrative Agent shall have received notice from the Borrowers prior to the date on which any payment is due to
the Lenders hereunder that the Borrowers will not make such payment in full, the Administrative Agent may assume that the Borrowers have made such payment in full on such date and the Administrative Agent, in reliance upon such assumption, may cause
to be distributed to each Lender on such due date an amount equal to the amount then due such Lender. If and to the extent the Borrowers shall not have made such payment in full to the Administrative Agent, each Lender shall repay to the
Administrative Agent upon its demand therefor such amount distributed to such Lender, together with interest thereon at the overnight Federal Funds Rate for each day from the date such amount is distributed to such Lender until the date such Lender
repays such amount to the Administrative Agent. 
 (e) If any Lender shall obtain any payment (whether voluntary, involuntary, through the
exercise of any right of setoff, or otherwise) in excess of such Lender’s Percentage of payments, such Lender shall forthwith purchase from the other Lender(s) such participations in the Loans made by them as shall be necessary to cause such
purchasing Lender to share the excess payment ratably with each of the other Lender(s); provided, however, if all or any portion of such excess payment is thereafter recovered from such purchasing Lender, such purchase from the other Lender(s) shall
be rescinded and each other Lender shall repay to the purchasing Lender the purchase price to the extent of such recovery, together with an amount equal to such Lender’s ratable share (according to the proportion of (1) the amount of such
Lender’s required repayment, to (2) the total amount so 

  

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recovered from the purchasing Lender) of any interest or other amount paid or payable by the purchasing Lender in respect of the total amount recovered. Each
Borrower agrees that any Lender purchasing a participation from another Lender pursuant to this Section 10.13(e), to the fullest extent permitted by law, may exercise all of its rights of payment with respect to such participation as fully as
if such Lender were the direct creditor of the Borrowers in the amount of such participation. 
 (f) No Lender nor any Affiliate of any
Lender shall collect any separate remuneration (i.e., in addition to any remuneration paid on a pro rata basis to all Lenders) as an inducement for such Lender entering into any waiver or amendment to this Agreement. 
 10.14 Benefit of Article. The provisions of this Article 10 are solely for the benefit of the Administrative Agent and the Lenders. Except
as otherwise expressly set forth in this Article 10, no Borrower shall have any rights under any of the provisions of this Article 10; it being understood that the provisions of this Article 10 are not in limitation of any right, remedy, power,
duty, obligation or liability which the Administrative Agent would have to or against any Borrower. 
 10.15 Field Audits and
Examination Reports; Confidentiality; Disclaimers by Lenders; Other Reports and Information. By becoming a party to this Agreement, each Lender: 
 (a) is deemed to have requested that the Administrative Agent furnish such Lender, promptly after it becomes available, a copy of each field audit or examination report (each a “Report” and collectively,
“Reports”) prepared by or at the request of the Administrative Agent, and the Administrative Agent shall so furnish each Lender with such Reports; 
 (b) expressly agrees and acknowledges that the Administrative Agent does not (i) make any representation or warranty as to the accuracy of any Report, and (ii) shall not be liable for any information
contained in any Report; 
 (c) expressly agrees and acknowledges that the Reports are not comprehensive audits or examinations, that the
Administrative Agent or other party performing any audit or examination will inspect only specific information regarding the Borrowers and will rely significantly upon the Borrowers’ books and records, as well as on representations of the
Borrowers’ personnel; 
 (d) agrees to keep all Reports and other material, non-public information regarding the Borrowers and their
operations, assets, and existing and contemplated business plans in a confidential manner; and 
 (e) without limiting the generality of any
other indemnification provision contained in this Agreement, agrees: (i) to hold the Administrative Agent and any such other Lender preparing a Report harmless from any action the indemnifying Lender may take or fail to take or any conclusion
the indemnifying Lender may reach or draw from any Report in connection with any loans or other credit accommodations that the indemnifying Lender has made or may make to the Borrowers, or the indemnifying Lender’s participation in, or the
indemnifying Lender’s purchase of, a loan or loans of the Borrowers; and (ii) to pay and protect, and indemnify, defend and hold the Administrative Agent, and any such other Lender preparing a Report harmless from and against, the claims,
actions, proceedings, damages, costs, expenses, and other amounts (including, attorneys fees and costs) incurred by the Administrative Agent and any such other Lender preparing a Report as the direct or indirect result of any third parties who might
obtain all or part of any Report through the indemnifying Lender; provided that no Lender shall be obligated to indemnify the Administrative Agent or such other Person for any portion of such amounts, losses, liabilities, claims, damages,
expenses, obligations, penalties, actions, judgments, suits, costs or disbursements resulting solely from the gross negligence or willful misconduct of the Person seeking indemnity, as finally determined by a court of competent jurisdiction.

 In addition to the foregoing: (x) any Lender may from time to time request of the Administrative Agent in writing that the Administrative Agent
provide to such Lender a copy of any report or document provided by the Borrowers to the Administrative Agent that has not been contemporaneously provided by the Borrowers to such Lender, and, upon receipt of such request, the Administrative Agent
promptly shall provide a copy of same to such Lender, it being understood and agreed that the items required to be delivered pursuant to Sections 6.3(a) and 6.3(b) shall be posted to Intralinks upon receipt by the Administrative Agent; and
(y) to the extent that the Administrative Agent is entitled, under any provision of the Loan Documents, to request additional reports or information from the 

  

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Borrowers, any Lender may, from time to time, reasonably request the Administrative Agent to exercise such right as specified in such Lender’s notice to
the Administrative Agent, whereupon the Administrative Agent promptly shall request of the Borrowers the additional reports or information reasonably specified by such Lender, and, upon receipt thereof from the Borrowers, the Administrative Agent
promptly shall provide a copy of same to such Lender. 
 ARTICLE 11 
 CERTAIN ADDITIONAL RIGHTS AND 
 OBLIGATIONS REGARDING THE COLLATERAL

 11.1 Power of Attorney. Each Borrower hereby reaffirms its irrevocable appointment of the Administrative Agent, as its
agent and attorney-in-fact, with power of substitution, having full power and authority, in its own name, in the name of any Lender(s), in the name of any Borrower or otherwise (but at the cost and expense of the Borrowers and without notice to any
Borrower), to (i) upon an Event of Default, notify Account Debtors obligated on any of the Receivables to make payments thereon directly to the lockbox referenced in Section 11.2 of this Agreement, and to take control of the cash and
non-cash proceeds of any such Receivables, which right the Administrative Agent may exercise at any time whether or not an Event of Default shall have occurred and be continuing hereunder or was theretofore making collections thereon; (ii) upon
an Event of Default, compromise, extend or renew any of the Collateral constituting Receivables or deal with any of the Collateral as the Administrative Agent may deem advisable; (iii) upon an Event of Default, release its interest in, make
exchanges or substitutions for and/or surrender, all or any part of any Borrower’s interest in all or any part of the Collateral; (iv) upon an Event of Default, remove from any Borrower’s place(s) of business all books, records,
ledger sheets, correspondence, invoices and documents relating to or evidencing any of the Collateral, or without cost or expense to the Administrative Agent, make such use of any Borrower’s place(s) of business as may be reasonably necessary
to administer, control and/or collect the Collateral; (v) upon an Event of Default, repair, alter or supply goods, if any, necessary to fulfill in whole or in part the purchase order of any Account Debtor; (vi) demand, collect receipt for
and upon an Event of Default, and give renewals, extensions, discharges and releases of all or any part of the Collateral; (vii) upon an Event of Default, institute and prosecute legal and equitable proceedings to enforce collection of, or
realize upon, all or any part of the Collateral; (viii) upon an Event of Default, settle, renew, extend, compromise, compound, exchange or adjust claims with respect to all or any part of the Collateral or any legal proceedings brought with
respect thereto; and (ix) upon an Event of Default, receive and open all mail addressed to any Borrower (other than mail sent to the Lockbox which may be received and opened in the ordinary course of Lockbox procedures irrespective of whether
any Event of Default has occurred), and if an Event of Default exists hereunder, notify the Post Office authorities to change the address for the delivery of mail to any Borrower to such address as the Administrative Agent may designate; it being
understood that the rights granted to the Administrative Agent in this clause (ix), which are operative on the occurrence of an Event of Default, shall not in any way limit or impair the other rights provided to the Administrative Agent and/or
Lenders in this Agreement or any other Loan Document, including, without limitation, their rights with respect to the Collateral Account and the below-referenced lockbox. Furthermore, each Borrower hereby reaffirms its irrevocable appointment of the
Administrative Agent, as its agent and attorney-in-fact, with power of substitution, having full power and authority, in its own name, in the name of any Lender(s), in the name of any Borrower or otherwise (but at the cost and expense of the
Borrowers and without notice to any Borrower) and regardless of whether an Event of Default has occurred or any act, event or condition which with notice or the lapse of time, or both, would constitute an Event of Default has occurred, to
(a) file financing statements and continuation statements covering the Collateral and execute the same on behalf of any Borrower; (b) charge against any banking account of any Borrower any item of payment credited to any Borrower’s
account which is dishonored by the drawee or maker thereof; and/or (iii) endorse the name of any Borrower upon any items of payment relating to the Collateral or upon any proof of claim in bankruptcy against any Account Debtor. 
 11.2 Lockbox. Each Borrower hereby authorizes the Administrative Agent to receive and collect any amount or amounts due or to become due on
account of any Receivables and, at its discretion, to apply the same to the repayment of the Notes, and each Borrower represents, warrants, acknowledges and agrees that, except where a Permitted Foreign Bank Account is being used, it has established
and shall continually maintain on terms and conditions satisfactory to the Administrative Agent in all respects, one or more lockboxes (and, if required by the Administrative Agent, one or more blocked accounts) for the collection of Receivables.
Except as otherwise may be approved by the Administrative Agent in writing, any checks or other remittances received by any Borrower in payment of the Receivables shall be held in trust by each Borrower for the Administrative Agent and the Lenders.

  

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	Lockbox	  	Account
	ICF Consulting Group	  	ICF Consulting Group, Inc.
	P.O. Box 7777 – W510501	  	Fairfax, Virginia
	Philadelphia, Pennsylvania 19175-0501	  	Account No. 6203219502
		  	Citizens Bank
		  	Attn: ACH Department ROP-440
		  	1 Citizens Drive
		  	Riverside, Rhode Island 02915
		  	ABA No. 036076150

 11.3 Other Agreements. Except as may otherwise be expressly permitted by the terms
of this Agreement, and without limiting any other restrictions or provisions of this Agreement, each Borrower will (i) on demand, subject to any confidentiality and secrecy requirements imposed by any Government agency, make available in form
reasonably acceptable to the Administrative Agent, shipping documents and delivery receipts evidencing the shipment of goods which gave rise to the sale or lease of inventory or of an account, contract right or chattel paper, completion certificates
or other proof of the satisfactory performance of services which gave rise to the sale or lease of inventory or of an account, contract right or chattel paper, and each Borrower’s copy of any written contract or order from which a sale or lease
of inventory, an account, contract right or chattel paper arose; and (ii) when requested, advise the Administrative Agent when an Account Debtor returns or refuses to retain any goods, the sale or lease of which gave rise to an account,
contract right or chattel paper, and of any delay in delivery or performance, or claims made in regard to any sale or lease of inventory, account, contract right or chattel paper. Upon reasonable notice, all such records will be available for
examination by authorized agents of the Administrative Agent. 
 It is expressly understood and agreed, however, that the Administrative
Agent shall not be required or obligated in any manner to make any inquiries as to the nature or sufficiency of any payment received by it or to present or file any claims or take any other action to collect or enforce a payment of any amounts which
may have been assigned to the Administrative Agent or to which the Administrative Agent or the Lenders may be entitled hereunder at any time or times. 
 ARTICLE 12 
 MISCELLANEOUS 
 12.1 Remedies Cumulative. Each right, power and remedy of the Administrative Agent or Lenders provided for in this Agreement or in any
other Loan Document or now or hereafter existing at law or in equity, by statute or otherwise, shall be cumulative and concurrent and shall be in addition to every other right, power or remedy provided for in this Agreement or in any other Loan
Document, or now or hereafter existing at law or in equity, by statute or otherwise, and the exercise or beginning of the exercise by the Administrative Agent or any Lender of any one or more of such rights, powers or remedies shall not preclude the
simultaneous or later exercise by the Administrative Agent or any such Lender of any or all such other rights, powers or remedies. 
 12.2
Waiver. Time is of the essence of this Agreement. No failure or delay by the Administrative Agent to insist upon the strict performance of any term, condition, covenant or agreement set forth in this Agreement or any other Loan
Document, or to exercise any right, power or remedy consequent upon a breach thereof, shall constitute a waiver of such term, condition, covenant or agreement or of any such breach, or preclude the Administrative Agent or any Lender from exercising
any such right, power or remedy at any later time or times. By accepting payment after the due date of any of the Obligations, neither the Lenders nor the Administrative Agent shall be deemed to have waived either the right to require prompt payment
when due of all other Obligations, or the right to declare a default for failure to make payment of any such other Obligations. 
 12.3
Notices. Notices to either party shall be in writing and shall be delivered personally or by first-class mail or nationally-recognized overnight delivery service addressed to the parties at the addresses set forth below or otherwise
designated in writing: 
  

					
	 If to the Borrowers:
	 	ICF Consulting Group, Inc.
		 	9300 Lee Highway
		 	Fairfax, Virginia 22031
		 	Attention:	 	Mr. Alan Stewart
		 	Fax:	 	(703) 934-3675
		 	Email:	 	AStewart@icfi.com
		 		 	and
		 	Attention:	 	Mr. Terrance McGovern
		 	Fax:	 	(703) 218-2547
		 	Email:	 	tmcgovern@icfconsulting.com

  

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	 with a copy of all notices to the Borrowers to:
	 	Squire, Sanders & Dempsey L.L.P.
		 	14th Floor, 8000 Towers Crescent Drive Tysons Corner, Virginia 22182-2700
		 	Attention:	 	Kirk D. Beckhorn, Esq.
		 	Fax:	 	(703) 720-7801
		 	Email:	 	KBeckhorn@ssd.com
		
	 If to the Lenders:
	 	To the address provided to the Borrowers and/or the Administrative Agent in writing
		
	 If to the Administrative Agent:
	 	Citizens Bank of Pennsylvania
		 	 8521 Leesburg Pike
 Suite 405

Vienna, Virginia 22182

		 	Attention:	 	Ms. Leslie Grizzard
		 	Fax:	 	(703) 610-6070
		 	Email:	 	Leslie.Grizzard@Citizensbank.com
		
	 with a copy of all notices to any Lender or the Administrative Agent to:
	 	Dickstein Shapiro LLP
		 	 1825 Eye Street, N.W.
 Washington, D.C.
20006

		 	Attention:	 	Matthew S. Bergman, Esq.
		 	Fax:	 	(202) 420-2201
		 	Email:	 	bergmanm@dicksteinshapiro.com

 Any notice or other communication hereunder will be deemed given and effective (i) when actually received, in
the case of hand delivery or nationally recognized overnight delivery service, (ii) three (3) Business days after such notice or communication is deposited in the United States mail or with such courier, in the case of first class mail or
overnight delivery, or (iii) when completely sent and received, as evidenced by a transmission report from sender’s facsimile machine, in the case of facsimile transmission. 
 Notices and other communications hereunder may also be delivered or furnished by electronic communication (including e-mail and Internet or intranet websites) pursuant to procedures approved by the Administrative
Agent, provided that the foregoing shall not apply to notices to the Administrative Agent pursuant to Articles 1 or 2 of this Agreement. The Administrative Agent, the Lenders or the Borrowers may, in their discretion, agree to accept notices and
other communications to it hereunder by electronic communications pursuant to procedures approved by it, provided that approval of such procedures may be limited to particular notices or communications. The parties acknowledge and agree that
no notice of the occurrence of a default or Event of Default shall be sent by e-mail. 
 Unless the Administrative Agent otherwise prescribes,
(i) notices and other communications sent to an electronic mail (“e-mail”) address shall be deemed received upon the sender’s receipt of an acknowledgement from the intended recipient (such as by the “return receipt
requested” function, as available, return e-mail or other written acknowledgement), provided that if such notice or other communication is not sent during the normal business hours of the recipient, such notice or communication shall be
deemed to have been sent (and received, if the acknowledgment contemplated above has been obtained) at the opening of business on the next business day for the recipient, and (ii) notices or communications posted to an Internet or intranet
website shall be deemed received upon the deemed receipt by the intended recipient at its e-mail address as described in the foregoing clause (i) of notification that such notice or communication is available and identifying the website address
therefor. 
  

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 12.4 Entire Agreement. This Agreement and the other Loan Documents constitute the entire
agreement of the parties with respect to the Loan and supersede all prior agreements and understandings; it being expressly understood and agreed that this Agreement is a complete amendment and restatement of the Existing Loan Agreement, the terms
and conditions of which have been superseded and replaced in their entirety by the terms and provisions of this Agreement. The parties hereto agree that this Agreement is given as a continuation, modification and extension of the Existing Loan
Agreement and shall not constitute a novation of the Existing Loan Agreement. This Agreement and the other Loan Documents shall continue in full force and effect for so long as the Borrowers shall be indebted hereunder or under the Notes, and
thereafter until the Lenders shall have actually received written notice of the termination hereof from the Borrowers and all Obligations incurred or contracted before receipt of such notice shall have been fully paid. 
 12.5 Relationship of the Parties. This Agreement provides for the extension of financial accommodations by each Lender, in its capacity as
lender, to the Borrowers, in their capacity as borrowers, and for the payment of interest and repayment of the Obligations by the Borrowers. Certain provisions herein, such as those relating to compliance with the financial covenants, delivery to
the Administrative Agent of financial statements, and compliance with other affirmative and negative covenants are for the benefit of the Administrative Agent and the Lenders to protect the Administrative Agent’s and the Lenders’ interests
in assuring repayment of the Obligations. Nothing contained in this Agreement shall be construed as permitting or obligating the Lenders or Administrative Agent to act as a financial or business advisor or consultant to any Borrower, as permitting
or obligating the Lenders or Administrative Agent to control any Borrower or to conduct any Borrower’s operations, as creating any fiduciary obligation on the part of any Lender or the Administrative Agent to any Borrower, or as creating any
joint venture, agency or other relationship between the parties other than as explicitly and specifically stated in this Agreement. Each Borrower acknowledges that it has had the opportunity to obtain the advice of experienced counsel of its own
choosing in connection with the negotiation and execution of this Agreement and to obtain the advice of such counsel with respect to all matters contained herein, including, without limitation, the provision in this Agreement for waiver of trial by
jury. Each Borrower further acknowledges that it is experienced with respect to financial and credit matters and has made its own independent decision to request the Obligations and execute and deliver this Agreement. 
 12.6 Waiver of Jury Trial and Certain Damages. Each Borrower, the Administrative Agent and each Lender hereby (a) covenants and agrees
not to elect a trial by jury of any issue triable by a jury, and (b) waives any right to trial by jury and any right to claim consequential, punitive, incidental or special damages fully to the extent that any such right shall now or hereafter
exist. This waiver of right to trial by jury and right to claim consequential, punitive, incidental or special damages is separately given by each Borrower, the Administrative Agent and each Lender, knowingly and voluntarily, and this waiver is
intended to encompass individually each instance and each issue as to which the right to a jury trial or the right to claim consequential, punitive, incidental or special damages would otherwise accrue. The Borrowers, the Administrative Agent and
the Lenders are hereby authorized and requested to submit this Agreement to any court having jurisdiction over the subject matter and the parties hereto, so as to serve as conclusive evidence of each herein contained waiver of the right to jury
trial and right to claim consequential, punitive, incidental or special damages. Further, each Borrower hereby certifies that no representative or agent of the Administrative Agent or any Lender (including the Administrative Agent’s counsel)
has represented, expressly or otherwise, to the undersigned that the Administrative Agent or Lenders will not seek to enforce this provision waiving the right to a trial by jury or any right to claim consequential, punitive, incidental or special
damages. 
 12.7 Submission to Jurisdiction; Service of Process; Venue. Any judicial proceeding brought against any Borrower
with respect to this Agreement or any other Loan Document may be brought in any court of competent jurisdiction in the Commonwealth of Virginia, and by execution and delivery of this Agreement, each Borrower accepts for itself and in connection with
its properties, generally and unconditionally, the non-exclusive jurisdiction of the aforesaid court, and irrevocably agrees to be bound by any judgment rendered by such court in connection with this Agreement. Each Borrower irrevocably designates
and appoints the General Counsel of the Primary Operating Company, whose address is c/o ICF Consulting Group, Inc., 9300 Lee Highway, Fairfax, Virginia 22031, as its agent to receive on its behalf service of all process in any such proceeding in any
court in the Commonwealth of Virginia, such service being hereby acknowledged by each Borrower to be effective and binding on it in every respect. A copy of any such process so served shall be mailed by registered or certified mail to the Borrowers
at the address to which notices are to be addressed in accordance with this Agreement, except that any failure to mail such copy shall not affect the validity of service of process. The Borrowers shall at all times maintain an agent for service of
process pursuant to this provision. If any Borrower fails to appoint such an agent, or if such agent refuses to accept service, such Borrower hereby agrees that service upon it by mail shall constitute sufficient 

  

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notice. Nothing herein shall affect the right to serve process in any other manner permitted by law or shall limit the right of the Administrative Agent or
the Lenders to bring proceedings against any Borrower in the courts of any other jurisdiction. 
 12.8 Changes in Capital
Requirements. If any change in, or the introduction, adoption, effectiveness, interpretation, reinterpretation or phase-in of, any law or regulation, directive, guideline, decision or request (whether or not having the force of law) of any
court, central bank, regulator or other governmental authority affects or would affect the amount of capital required or expected to be maintained by the Administrative Agent or any Lender, or person controlling the Administrative Agent or any
Lender, and the Administrative Agent determines (in its sole and absolute discretion) that the rate of return on its, the Lender’s or such controlling person’s capital as a consequence of its commitments or the loans made by the
Administrative Agent or such Lender is reduced to a level below that which the Administrative Agent, such Lender or such controlling person could have achieved but for the occurrence of any such circumstance, then, in any such case upon notice from
time to time by the Administrative Agent to the Borrowers, the Borrowers shall immediately pay directly to the Administrative Agent, for its own account or for the account of such Lender (as the case may be), additional amounts sufficient to
compensate the Administrative Agent, such Lender or such controlling person for such reduction in rate of return. A statement of the Administrative Agent as to any such additional amount or amounts (including calculations thereof in reasonable
detail) shall, in the absence of manifest error, be conclusive and binding on the Borrowers. In determining such amount, the Administrative Agent may use any method of averaging and attribution that it (in its sole and absolute discretion) shall
deem applicable. 
 12.9 Other Agents, Arrangers, Managers. None of the Lenders or other Persons identified on the
facing page or signature pages of this Agreement as a “syndication agent”, “documentation agent”, “co-agent”, “book manager”, “book running manager”, “lead manager”, “arranger”,
“lead arranger” or “co-arranger” shall have any right, power, obligation, liability, responsibility or duty under this Agreement other than, in the case of such Lenders, those applicable to all Lenders as such. Without limiting
the foregoing, none of the Lenders or other Persons so identified shall have or be deemed to have any fiduciary relationship with any Lender. Each Lender acknowledges that it has not relied, and will not rely, on any of the Lenders or other Persons
so identified in deciding to enter into this Agreement or in taking or not taking action hereunder. 
 12.10 Modification and
Waiver. Subject to Section 10.3 hereof, neither this Agreement nor any term, condition, covenant or agreement hereof may be changed, waived, discharged or terminated orally, but that may be accomplished only by an instrument in writing
signed by the party against whom enforcement of the change, waiver, discharge or termination is sought. 
 12.11
Transferability. 
 (a) No Borrower shall assign any of its rights, interests or Obligations under this Agreement or any other
Loan Document. 
 (b) No Lender shall assign its interests under this Agreement or any other Loan Document to any Person, without the prior
written consent of both the Administrative Agent and the Borrowers; provided that (i) the Borrowers’ consent shall not be required for assignments from one Lender to another Lender or to its affiliates or at any time during which an Event
of Default shall have occurred and be continuing; and (ii) the Borrowers’ consent shall not be unreasonably withheld or delayed. Subject to obtaining such consent (as required), any Lender may assign its interest, in the ordinary course of
its commercial banking business, at any time under this Agreement and the other Loan Documents, provided that (a) the purchaser of any such interest is an Eligible Assignee whose total assets exceed Five Hundred Million and No/100 Dollars
($500,000,000.00); (b) prior written notice of such sale or assignment, which notice must identify the name, address and contact person of the Eligible Assignee, shall have been issued by such transferring Lender to the Administrative Agent and
the Borrowers; (c) the dollar equivalent of the Percentage of the transferring Lender being assigned equals or exceeds Five Million and No/100 Dollars ($5,000,000.00); (d) the Administrative Agent shall have received a duly executed
Assignment and Acceptance Agreement, in the form attached as Exhibit 8 hereto; and (e) if the proposed assignee of the transferring Lender is not an Affiliate of the transferring Lender or another Lender hereunder, an
assignment fee in the amount of Three Thousand Five Hundred and No/100 Dollars ($3,500.00) shall have been paid to the Administrative Agent to reimburse the Administrative Agent for costs and expenses incurred in connection with the assignment.

  

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 (c) Subject to the acceptance and recording thereof by the Administrative Agent, from and after the
effective date specified in each Assignment and Acceptance Agreement, the Eligible Assignee thereunder shall be a party to this Agreement and shall, to the extent of the interest assigned by such Assignment and Acceptance Agreement, have the rights
and obligations of a Lender under this Agreement, and the assigning Lender thereunder shall, to the extent of the interest assigned by such Assignment and Acceptance Agreement, be released from its obligations under this Agreement (and, in the case
of an Assignment and Acceptance Agreement covering all of the assigning Lender’s rights and obligations under this Agreement, such Lender shall cease to be a party hereto but shall continue to be entitled to the benefits of Sections 12.8,
12.19 and Exhibit 3 with respect to facts and circumstances occurring prior to the effective date of such assignment). Upon request, and the surrender by the assigning Lender of its Note, the Borrower (at its expense) shall execute and deliver a
Note to the assignee Lender. Any assignment or transfer by a Lender of rights or obligations under this Agreement that does not comply with this clause shall be treated for purposes of this Agreement as a sale by such Lender of a participation in
such rights and obligations in accordance with clause (e) below. 
 (d) The Administrative Agent, acting solely for this purpose as an
agent of the Borrower, shall maintain a copy of each Assignment and Acceptance Agreement delivered to it and a register for the recordation of the names and addresses of the Lenders, and their Percentage of, and principal amounts (and related
interest amounts) of the Loans, participations under Letters of Credit and other amounts due hereunder, or owing to, each Lender pursuant to the terms hereof from time to time (the “Register”). The entries in the Register shall be
conclusive absent manifest error, and the Borrower, the Administrative Agent and the Lenders shall treat each Person whose name is recorded in the Register pursuant to the terms hereof as a Lender hereunder for all purposes of this Agreement,
notwithstanding any notice to the contrary. The Register shall be available for inspection by any Lender (with respect to any entry relating to such Lender’s Loans or Commitments) or the Borrowers at any reasonable time and from time to time
upon reasonable prior notice. 
 (e) Any Lender may at any time, without the consent of, or notice to, the Borrowers or the Administrative
Agent, sell participations to any Person (other than a natural person) (each, a “Participant”) in all or a portion of such Lender’s rights and/or obligations under this Agreement (including all or a portion of its Percentage of
the Loans (including such Lender’s participations in the Letters of Credit and/or Swing Line Loans) owing to it); provided that (i) such Lender’s obligations under this Agreement shall remain unchanged, (ii) such Lender
shall remain solely responsible to the other parties hereto for the performance of such obligations and (iii) the Borrowers, the Administrative Agent and the other Lenders shall continue to deal solely and directly with such Lender in
connection with such Lender’s rights and obligations under this Agreement. Any agreement or instrument pursuant to which a Lender sells such a participation shall provide that such Lender shall retain the sole right to enforce this Agreement
and the other Loan Documents and to approve any amendment, modification or waiver of any provision of this Agreement or the other Loan Documents. 
 (f) A Participant shall not be entitled to receive any greater payment hereunder than the applicable Lender would have been entitled to receive with respect to the participation sold to such Participant, unless the sale of the participation
to such Participant is made with the Borrower’s prior written consent (such consent not to be unreasonably withheld or delayed). 
 (g)
Any Lender may at any time pledge or assign a security interest in all or any portion of its rights under this Agreement (including under its Note) to secure obligations of such Lender, including any pledge or assignment to secure obligations to a
Federal Reserve Bank; provided that no such pledge or assignment shall release such Lender from any of its obligations hereunder or substitute any such pledgee or assignee for such Lender as a party hereto. 
 (h) The words “execution,” “signed,” “signature,” and words of like import in any Assignment and Assumption shall be deemed
to include electronic signatures or the keeping of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature or the use of a paper-based recordkeeping system, as the case
may be, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Record Act, or any other similar state laws based on the
Uniform Electronic Transactions Act. 
  

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 12.12 Governing Law; Binding Effect. This Agreement shall be governed by the laws of the
Commonwealth of Virginia (without regard to conflict of laws principles) and be binding upon each Borrower and inure to the benefit of the parties hereto and their respective successors and assigns. 
 12.13 Gender; Number. As used herein, the singular number shall include the plural, the plural the singular and the use of the masculine,
feminine or neuter gender shall include all genders, as the context may require. 
 12.14 Joint and Several Liability. Each
Borrower shall be jointly and severally liable for the payment and performance of all obligations and liabilities hereunder. 
 12.15
Materiality. Unless the context clearly indicates to the contrary, determinations regarding the materiality of any act, event, condition or circumstance shall be in the reasonable judgment of the Administrative Agent. 
 12.16 Reliance on the Administrative Agent. Each Borrower shall be entitled to assume that any and all consents, approvals or notices
issued or granted by the Administrative Agent pursuant to the terms and provisions of this Agreement were, to the extent necessary, authorized by the Required Lenders or all of the Lenders, as applicable. 
 12.17 The Patriot Act. The Administrative Agent and the Lenders hereby notify the Borrowers that pursuant to the requirements of the
Patriot Act, they are required to obtain, verify and record information that identifies the Borrowers, which information includes the name and address of the Borrowers and other information that will allow the Administrative Agent and the Lenders to
identify the Borrowers in accordance with the Patriot Act. 
 12.18 Counterparts. This Agreement may be executed in any number
of counterparts, all of which together shall constitute one and the same document. Each party hereto hereby agrees to be bound by its facsimile or PDF signature. 
 12.19 Taxes. All payments by the Borrowers of principal of, and interest on, the Loans and all other amounts payable hereunder shall be made free and clear of and without deduction for any present or
future income, excise, stamp or franchise taxes and other taxes, fees, duties, withholdings or other charges of any nature whatsoever imposed by any taxing authority, but excluding franchise taxes and taxes imposed on or measured by the
Administrative Agent’s and/or any Lender’s net income or receipts (such non-excluded items being called “Taxes”). In the event that any withholding or deduction from any payment to be made by the Borrowers hereunder is required
in respect of any Taxes pursuant to any applicable law, rule or regulation, then the Borrowers will: 
 (A) pay directly to the relevant
authority the full amount required to be so withheld or deducted; 
 (B) promptly forward to the Administrative Agent an official receipt or
other documentation satisfactory to the Administrative Agent evidencing such payment to such authority; and 
 (C) pay to the Administrative
Agent, for its own account or for the account of such Lender (as the case may be), such additional amount or amounts as is necessary to ensure that the net amount actually received by the Administrative Agent, for its own account or for the account
of such Lender (as the case may be), will equal the full amount the Administrative Agent or such Lender (as applicable) would have received had no such withholding or deduction been required. 
 Moreover, if any Taxes are directly asserted against the Administrative Agent or any Lender with respect to any payment received by the Administrative Agent or any
Lender hereunder, the Administrative Agent or such Lender may pay such Taxes and the Borrowers will promptly pay such additional amount (including any penalties, interest or expenses) as is necessary in order that the net amount received by the
Administrative Agent or such Lender (as the case may be) after the payment of such Taxes (including any Taxes on such additional amount) shall equal the amount the Administrative Agent or such Lender (as the case may be) would have received had not
such Taxes been asserted. 
  

 56 

 If the Borrowers fail to pay any Taxes when due to the appropriate taxing authority or fail to remit to the
Administrative Agent the required receipts or other required documentary evidence, the Borrowers shall indemnify the Administrative Agent and the Lenders for any incremental Taxes, interest or penalties that may become payable by the Administrative
Agent or any Lender as a result of any such failure. 
 [Remainder of Page Intentionally Left Blank] 
  

 57 

 IN WITNESS WHEREOF, this Agreement has been signed, sealed and delivered as of the date and year first
above written. 
  

									
		 		 		 	BORROWERS:
			
	ATTEST:	 		 	ICF INTERNATIONAL, INC.,
	[Corporate Seal]	 		 	a Delaware corporation
					
	By:	 	 /s/ Judith B. Kassel
	 		 	By:	 	 /s/ Terrance McGovern

	Name:	 	Judith B. Kassel	 		 	Name:	 	Terrance McGovern
		 		 		 	Title:	 	Treasurer
			
	ATTEST:	 		 	ICF CONSULTING GROUP, INC.,
	[Corporate Seal]	 		 	a Delaware corporation
					
	By:	 	 /s/ Judith B. Kassel
	 		 	By:	 	 /s/ Terrance McGovern

	Name:	 	Judith B. Kassel	 		 	Name:	 	Terrance McGovern
		 		 		 	Title:	 	Treasurer
			
	WITNESS:	 		 	ICF CONSULTING LIMITED,
		 		 		 	a private limited company organized under the laws of England and Wales
					
	By:	 	 /s/ Susan Wolf
	 		 	By:	 	 /s/ Alan Stewart

	Name:	 	Susan Wolf	 		 	Name:	 	Alan Stewart
		 		 		 	Title:	 	CFO
			
	WITNESS:	 		 	ICF CONSULTING PTY LTD,
		 		 		 	an Australian corporation
					
	By:	 	 /s/ Susan Wolf
	 		 	By:	 	 /s/ Alan Stewart

	Name:	 	Susan Wolf	 		 	Name:	 	Alan Stewart
		 		 		 	Title:	 	CFO
			
	WITNESS:	 		 	ICF/EKO, a Russian corporation
					
	By:	 	 /s/ Philip E. Mihlmester
	 		 	By:	 	 /s/ Kenneth B. Kolsky

	Name:	 	Philip E. Mihlmester	 		 	Name:	 	Kenneth B. Kolsky
		 		 		 	Title:	 	Director

  

 58 

											
	 	 	 	 	ICF CONSULTORIA DO BRASIL LTDA.,
	 	 	 	 	a Brazilian limited liability company
				
	 	 	 	 	By:	 	 ICF CONSULTING GROUP, INC.,
 a Delaware
corporation

						
	By:	 	 /s/ Judith B. Kassel
	 	 	 	 	 	By:	 	 /s/ Terrance McGovern

	Name:	 	Judith B. Kassel	 	 	 	 	 	Name:	 	Terrance McGovern
	Title:	 	General Counsel	 	 	 	 	 	Title:	 	Treasurer
				
	 	 	 	 	By:	 	ICF CONSULTING SERVICES, L.L.C.,
	 	 	 	 	 	 	a Delaware limited liability company
						
	By:	 	 /s/ Judith B. Kassel
	 	 	 	 	 	By:	 	 /s/ Terrance McGovern

	Name:	 	Judith B. Kassel	 	 	 	 	 	Name:	 	Terrance McGovern
	Title:	 	General Counsel	 	 	 	 	 	Title:	 	Treasurer

  

 59 

									
	 	 	 	 	 	 	COMMENTWORKS.COM COMPANY, L.L.C.
				
		 		 		 	ICF INCORPORATED, L.L.C.
				
		 		 		 	ICF INFORMATION TECHNOLOGY, L.L.C.
				
		 		 		 	ICF RESOURCES, L.L.C.
				
		 		 		 	SYSTEMS APPLICATIONS INTERNATIONAL, L.L.C.
				
		 		 		 	ICF ASSOCIATES, L.L.C.
				
		 		 		 	ICF SERVICES COMPANY, L.L.C.
				
		 		 		 	ICF CONSULTING SERVICES, L.L.C.
				
		 		 		 	ICF EMERGENCY MANAGEMENT SERVICES, LLC
				
		 		 		 	ICF CONSULTING CANADA, INC.
				
		 		 		 	SYNERGY, INC.
				
		 		 		 	ICF PROGRAM SERVICES, L.L.C.
				
		 		 		 	CALIBER ASSOCIATES, INC.
				
		 		 		 	ADVANCED PERFORMANCE CONSULTING GROUP, INC.
				
		 		 		 	ENERGY AND ENVIRONMENTAL ANALYSIS, INCORPORATED
				
		 		 		 	Z-TECH CORPORATION
				
		 		 		 	SIMAT, HELLIESEN & EICHNER, INC.
				
		 		 		 	SH&E LIMITED
				
		 		 		 	KURTH & CO., INC.
				
		 		 		 	THE CENTER FOR AIRPORT MANAGEMENT LLC
				
		 		 		 	JONES & STOKES ASSOCIATES, INC.
	Attest/Witness:	 	 	 	 
					
	By:	 	 /s/ Judith B. Kassel
	 	 	 	By:	 	 /s/ Terrance McGovern

	Name:	 	Judith B. Kassel	 	 	 	Name:	 	Terrance McGovern
	 	 	 	 	 	 	Title:	 	CFO

  

 60 

			
	 ADMINISTRATIVE AGENT AND LENDERS:

	
	CITIZENS BANK OF PENNSYLVANIA, a Pennsylvania state chartered bank, as Administrative Agent, Swing Line Lender and Lender, on behalf of itself and the other Lender parties to this
Agreement pursuant to an Authorization
		
	 By:
	 	 /s/ Mark Latterner

	 Name:
	 	Mark Latterner
	 Title:
	 	SVP

  

 61

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