Document:

EX-10.1

 EXHIBIT 10.1 

TENDER AND SUPPORT AGREEMENT 

This TENDER AND SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of July 2, 2017 by and between Cloud
Intermediate Holdings LLC, a Delaware limited liability company (“Parent”), Cloud Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Purchaser”), and the undersigned stockholder (the
“Stockholder”) of NCI, Inc., a Delaware corporation (the “Company”). 
 RECITALS 

WHEREAS, Parent, Purchaser and the Company have entered into an Agreement and Plan of Merger of even date herewith (the “Merger
Agreement”), which provides for, among other things, (i) the commencement by Purchaser of a tender offer (the “Offer”) to purchase all of the outstanding shares of Class A common stock, par value $0.019 per
share, of the Company and all of the outstanding shares of Class B common stock, par value $0.019 per share, of the Company (together, the “Company Common Stock”), at a price per share of $20.00, payable net to the seller thereof in
cash, without interest, and subject to certain deductions and adjustments pursuant to the Merger Agreement (the “Offer Price”); and (ii) following the acceptance for payment of shares of Company Common Stock pursuant to the
Offer, upon the terms and subject to the conditions set forth in the Merger Agreement, the merger of Purchaser with and into the Company, with the Company continuing as the surviving corporation (the “Merger”), pursuant to which
each issued and outstanding share of Company Common Stock (other than certain shares to be canceled in accordance with the Merger Agreement and Dissenting Shares) will be converted into the right to receive the Offer Price; 

WHEREAS, the Stockholder is the beneficial owner (as defined in Rule 13d-3 under the
Securities Exchange Act of 1934, as amended (the “Exchange Act”)), of such number of shares of Company Common Stock as is indicated on the signature page of this Agreement; and 

WHEREAS, as a condition to their willingness to enter into the Merger Agreement, Parent and Purchaser have required the Stockholder,
and in order to induce Parent and Purchaser to enter into the Merger Agreement, the Stockholder (solely in the Stockholder’s capacity as such) has agreed, to enter into this Agreement and tender all of the Subject Shares as described herein.

 AGREEMENT 
 NOW,
THEREFORE, in consideration of the mutual covenants and promises contained in this Agreement and for other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties to this Agreement agree as follows:

 1. Certain Definitions. All capitalized terms that are used but not defined herein shall have the respective meanings ascribed to
them in the Merger Agreement. For all purposes of and under this Agreement, the following terms shall have the following respective meanings: 

 (a) “Encumbrance” shall mean any lien, hypothecation, adverse claim, charge,
security interest, pledge or option, proxy, right of first refusal, preemptive right, voting trust or any other similar right. 
 (b)
“Expiration Date” shall mean the earliest to occur of such date and time as (i) the Merger Agreement shall have been terminated for any reason; (ii) the Merger shall become effective in accordance with the terms and
provisions of the Merger Agreement; (iii) the acquisition by Parent of all the Subject Shares of the Stockholder, whether pursuant to the Merger or otherwise; (iv) any amendment, change or waiver to the Merger Agreement is effected without
the Stockholder’s consent that (A) decreases the amount, or changes the form or (except with respect to extensions of the Offer in accordance with the terms of the Merger Agreement) timing of consideration payable to all of the
stockholders of the Company pursuant to the terms of the Merger Agreement; or (B) materially and adversely affects the Stockholder; or (v) is agreed to in writing by Parent and the Stockholder. 

(c) “Permitted Encumbrance” shall mean (i) any Encumbrance arising (A) hereunder (in connection therewith any
restrictions on transfer or any other Encumbrance that has been waived by appropriate consent) and (B) under securities laws; and (ii) any right, agreement, understanding or arrangement which represents a financial interest in cash
received upon sale of the Subject Shares and not an Encumbrance upon the Subject Shares prior to such sale. 
 (d) “Subject
Shares” shall mean, other than nontransferable restricted shares of Company Common Stock, (i) all shares of Company Common Stock beneficially owned by the Stockholder as of the date hereof; and (ii) all additional shares of
Company Common Stock of which the Stockholder acquires beneficial ownership during the period from the date of this Agreement through the Expiration Date (including by way of stock dividend or distribution, split-up, recapitalization, combination,
exchange of shares or issued upon the exercise of any options, the settlement of any restricted stock or other conversion of any convertible securities). 

(e) “Transfer.” A Person shall be deemed to have effected a “Transfer” of a Subject Share if such person,
directly or indirectly, (i) sells, pledges, creates an Encumbrance with respect to (other than Permitted Encumbrances), assigns, exchanges, grants an option with respect to, transfers, gifts, disposes of or enters into any derivative
arrangement with respect to such Subject Share or any interest therein; or (ii) enters into an agreement or commitment providing for the sale, pledge, creation of an Encumbrance (other than Permitted Encumbrances), assignment, exchange,
transfer, gift, disposition of or any derivative arrangement with respect to, or grant of an option with respect to, such Subject Share or any interest therein. 

2. Transfer of Subject Shares. 

(a) Transfer Restrictions. Except as expressly contemplated by this Agreement or the Merger Agreement, the Stockholder shall not cause
or permit any Transfer of any of the Subject Shares to be effected. 
 (b) Transfer of Voting Rights. The Stockholder shall not
(i) deposit (or permit the deposit of) any Subject Shares in a voting trust or grant any proxy or power of 

  
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attorney or enter into any voting agreement or similar agreement with respect to any of the Subject Shares or (ii) subject to Section 3(b), take or permit any other action that
would in any way restrict, limit or interfere with the performance of the Stockholder’s obligations hereunder or otherwise make any representation or warranty of the Stockholder herein untrue or incorrect. Any action taken in violation of the
foregoing sentence shall be null and void ab initio and such Stockholder agrees that any such prohibited action may and should be enjoined. 

(c) Exceptions. Nothing in this Section 2 shall prohibit a Transfer of Subject Shares by Stockholder: (i) if
Stockholder is an individual: pursuant to applicable laws of descent and distribution; (ii) if Stockholder is a partnership, limited liability company or trust, to one or more partners or members of Stockholder or to an affiliated corporation
under common control with Stockholder or to any trustee or beneficiary of the trust; provided, however, that a Transfer referred to in this Section 2(c) shall be permitted only if the transferee agrees in writing, reasonably satisfactory
in form and substance to Parent, to be bound by the terms of this Agreement. 
 (d) Involuntary Transfer. If any involuntary Transfer
of any of the Subject Shares shall occur (including, but not limited to, a sale by the Stockholder’s trustee in any bankruptcy, or a sale to a purchaser at any creditor’s or court sale), the transferee (which term, as used herein, shall
include any and all transferees and subsequent transferees of the initial transferee) shall take and hold such Subject Shares subject to all of the restrictions, liabilities and rights under this Agreement, which shall continue in full force and
effect until valid termination of this Agreement. 
 3. Agreement to Tender. 

(a) Tender of Shares. The Stockholder shall tender, pursuant to and in accordance with the terms of the Offer, the Subject Shares. No
later than ten (10) business days after commencement of the Offer, the Stockholder shall (a) deliver to the depositary designated in the Offer all documents or instruments required to be delivered in order to tender the Subject Shares
pursuant to the terms of the Offer, and/or (b) instruct its broker or such other person who is the holder of record of any Subject Shares to tender such shares for exchange in the Offer pursuant to the terms and conditions of the Offer. Prior
to the Expiration Date, the Stockholder shall not tender the Subject Shares into any exchange or tender offer commenced by a third party other than Parent or Purchaser. Notwithstanding anything to the contrary herein, the Stockholder may withdraw
such Subject Shares from the Offer at any time following the termination of this Agreement or upon the Offer being terminated in accordance with the terms of the Merger Agreement. For the avoidance of doubt, (x) the Stockholder shall not be
required, for purposes of this Agreement, to exercise any unexercised Company equity award held by the Stockholder and (y) the Stockholder shall not have any obligation under this Section 3 to tender (or caused to be tendered) any
Subject Shares into the Offer to the extent such tender could cause the Stockholder to incur liability under Section 16(b) of the Exchange Act. 

(b) Change in Company Board Recommendation. Notwithstanding the foregoing, in the event of a Change in Company Board Recommendation
pursuant to Section 5.4(d) of the Merger Agreement and in compliance with the Merger Agreement, (i) the obligation of the Stockholder to tender the Subject Shares in the Offer as set forth in Section 3(a)

  
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shall be modified (without any further notice or any action by the Company or Stockholder) such that the Stockholder, in such Stockholder’s sole discretion, shall be entitled to tender all
of the Subject Shares in any manner such Stockholder may choose and upon the exercise of such discretion, the obligation of the Stockholder to tender the Subject Shares as set forth in Section 3(a) shall be null and void and of no
further force or effect and (ii) to the extent the Stockholder has previously tendered any Subject Shares pursuant to Section 3(a) and wishes to withdraw such Subject Shares, the Stockholder may so withdraw such Subject Shares and
Parent and Purchaser shall promptly return, and shall cause any depository or paying agent, acting on behalf of Parent and Purchaser, to promptly return all tendered Subject Shares to the Stockholder. 

(c) Return of Shares. If the Offer is terminated or withdrawn by Purchaser or the Merger Agreement is terminated prior to the purchase
of Subject Shares in the Offer, Parent and Purchaser shall promptly return, and shall cause any depository or paying agent, acting on behalf of Parent and Purchaser, to promptly return all tendered Subject Shares to the Stockholder. 

4. Directors and Officers. Notwithstanding any provision of this Agreement to the contrary, nothing in this Agreement shall (or shall
require the Stockholder to attempt to) limit or restrict the Stockholder in his or her capacity as a director or officer of the Company or any designee of the Stockholder who is a director or officer of the Company from acting in such capacity or
voting in such person’s sole discretion on any matter (it being understood that this Agreement shall apply to the Stockholder solely in the Stockholder’s capacity as a stockholder of the Company). 

5. No Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in Parent or Purchaser any direct or indirect
ownership or incidence of ownership of or with respect to any Subject Shares. All rights, ownership and economic benefits of and relating to the Subject Shares shall remain vested in and belong to the Stockholder, and neither Parent nor Purchaser
shall have the authority to manage, direct, superintend, restrict, regulate, govern, or administer any of the policies or operations of the Company or exercise any power or authority to direct the Stockholder in the voting of any of the Subject
Shares to the extent such Subject Shares are entitled to be voted, except as otherwise provided herein. 
 6. Representations and
Warranties of the Stockholder. The Stockholder represents and warrants to Parent and Purchaser as follows: 
 (a) Power; Binding
Agreement. The Stockholder has full power and authority to execute and deliver this Agreement, to perform the Stockholder’s obligations hereunder and to consummate the transactions contemplated hereby. The execution and delivery by the
Stockholder of this Agreement, the performance by the Stockholder of its obligations hereunder and the consummation by the Stockholder of the transactions contemplated hereby have been duly and validly authorized by the Stockholder and no other
actions or proceedings on the part of the Stockholder are necessary to authorize the execution and delivery by the Stockholder of this Agreement, the performance by the Stockholder of its obligations hereunder or the consummation by the Stockholder
of the transactions contemplated hereby. This Agreement has been duly executed and delivered by the Stockholder, and, assuming this Agreement constitutes a valid and binding obligation of Parent and Purchaser, constitutes a valid and binding
obligation of the Stockholder, enforceable against the Stockholder in accordance with its terms, subject to: (i) laws of general application relating to bankruptcy, insolvency and the relief of debtors; and (ii) rules of law governing
specific performance and other equitable remedies. 

  
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 (b) No Conflicts. Except for filings under the Exchange Act and filings under the HSR Act,
no filing with, and no permit, authorization, consent, or approval of, any Governmental Body is necessary for the execution and delivery by the Stockholder of this Agreement, the performance by the Stockholder of its obligations hereunder and the
consummation by the Stockholder of the transactions contemplated hereby. None of the execution and delivery by the Stockholder of this Agreement, the performance by the Stockholder of its obligations hereunder or the consummation by the Stockholder
of the transactions contemplated hereby will (i) conflict with or result in any breach of any organizational documents applicable to the Stockholder; (ii) result in a violation or breach of, or constitute (with or without notice or lapse
of time or both) a default (or give rise to any third party right of termination, cancellation, material modification or acceleration) under any of the terms, conditions or provisions of any note, loan agreement, bond, mortgage, indenture,
commitment, arrangement, understanding or other agreement to which the Stockholder is a party or by which the Stockholder or any of the Stockholder’s properties or assets may be bound; or (iii) violate any order, writ, injunction, decree,
judgment, order, statute, rule, or regulation applicable to the Stockholder or any of the Stockholder’s properties or assets, except as would not, individually or in the aggregate, reasonably be expected to prevent or materially delay the
consummation of the transactions contemplated hereby. 
 (c) Ownership of Shares. The Stockholder (i) is the sole beneficial
owner of the shares of Company Common Stock indicated on the signature page of this Agreement, all of which are free and clear of any Encumbrances (other than Permitted Encumbrances); (ii) is the sole owner of options that are exercisable for
the number of shares of Company Common Stock indicated on the signature page of this Agreement, all of which options and shares of Company Common Stock issuable upon the exercise of such options are free and clear of any Encumbrances (other than
Permitted Encumbrances); (iii) is the sole owner of unvested restricted stock awards for the number of shares of Company Common Stock indicated on the signature page of this Agreement, all of which are free and clear of any Encumbrances (other
than Permitted Encumbrances) and (iv) does not own, beneficially or otherwise, any securities of the Company other than those described in the preceding clauses (i)-(iii). 

(d) Voting and Disposition Power. The Stockholder has full and sole voting power with respect to the Subject Shares and full and sole
power of disposition, full and sole power to issue instructions with respect to the matters set forth herein and full and sole power to agree to all of the matters set forth in this Agreement, in each case with respect to all of the Subject Shares.
None of the shares of Company Common Stock indicated on the signature page of this Agreement are subject to any stockholders’ agreement, proxy, voting trust or other agreement or arrangement with respect to the voting of such Subject Shares.

 (e) Reliance. The Stockholder has been represented by or had the opportunity to be represented by independent counsel of its own
choosing and has had the right and opportunity to consult with its attorney, and to the extent, if any, that such Stockholder desired, such Stockholder availed itself of such right and opportunity, such Stockholder has carefully read

  
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and understands this Agreement, the Offer and the exhibits thereto and the Merger Agreement in its entirety and has had it explained to him by his counsel, such Stockholder is aware of the
contents thereof and its meaning, intent and legal effect, and such Stockholder is competent to execute this Agreement and has executed this Agreement free from coercion, duress or undue influence. The Stockholder understands and acknowledges that
the Company, Parent and Purchaser are entering into the Merger Agreement in reliance upon the Stockholder’s execution, delivery and performance of this Agreement. 

(f) Absence of Litigation. With respect to the Stockholder, as of the date hereof, there is no action, suit, claim, proceeding, charge,
arbitration or investigation pending against, or, to the actual knowledge of the Stockholder, threatened in writing against the Stockholder or any of the Stockholder’s properties or assets (including the Subject Shares) before or by any
Governmental Body that could reasonably be expected to prevent or materially delay or impair the consummation by such Stockholder of the transactions contemplated by this Agreement or otherwise materially impair the Stockholder’s ability to
perform its obligations hereunder. 
 (g) Brokers. No broker, finder, financial advisor, investment banker or other Person is
entitled to any brokerage, finder’s, financial advisor’s or other similar fee or commission in connection with the transactions contemplated hereby based upon arrangements made by or on behalf of the Stockholder. 

7. Representations and Warranties of Parent and Purchaser. Parent and Purchaser represent and warrant to the Stockholder as follows:

 (a) Power; Binding Agreement. Each of Parent and Purchaser has full power and authority to execute and deliver this Agreement, to
perform its obligations hereunder and to consummate the transactions contemplated hereby. The execution and delivery by Parent and Purchaser of this Agreement, the performance by each of Parent and Purchaser of its obligations hereunder and the
consummation by Parent and Purchaser of the transactions contemplated hereby have been duly and validly authorized by each of Parent and Purchaser and no other actions or proceedings on the part of Parent or Purchaser are necessary to authorize the
execution and delivery by Parent or Purchaser, the performance by either Parent or Purchaser of its obligations hereunder or the consummation by Parent or Purchaser of the transactions contemplated hereby. This Agreement has been duly executed and
delivered by each of Parent and Purchaser, and, assuming this Agreement constitutes a valid and binding obligation of the Stockholder, constitutes a valid and binding obligation of each of Parent and Purchaser, enforceable against each of Parent and
Purchaser in accordance with its terms, subject to: (i) laws of general application relating to bankruptcy, insolvency and the relief of debtors; and (ii) rules of law governing specific performance and other equitable remedies. 

(b) No Conflicts. Except for filings under the Exchange Act and filings under the HSR Act, no filing with, and no permit,
authorization, consent, or approval of, any Governmental Body is necessary for the execution and delivery by Parent or Purchaser of this Agreement, the performance by each of Parent or Purchaser of its obligations hereunder and the consummation by
Parent or Purchaser of the transactions contemplated hereby. None of the execution and delivery by Parent or Purchaser of this Agreement, the performance by each of 

  
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Parent or Purchaser of its obligations hereunder or the consummation by Parent or Purchaser of the transactions contemplated hereby will (i) conflict with or result in any breach of any
organizational documents applicable to Parent or Purchaser; (ii) result in a violation or breach of, or constitute (with or without notice or lapse of time or both) a default (or give rise to any third party right of termination, cancellation,
material modification or acceleration) under any of the terms, conditions or provisions of any note, loan agreement, bond, mortgage, indenture, commitment, arrangement, understanding or other agreement to which Parent or Purchaser is a party or by
which Parent or Purchaser or any of Parent’s or Purchaser’s properties or assets may be bound; or (iii) violate any order, writ, injunction, decree, judgment, order, statute, rule, or regulation applicable to Parent or Purchaser or
any of Parent’s or Purchaser’s properties or assets, except as would not, individually or in the aggregate, reasonably be expected to prevent or materially delay the consummation of the transactions contemplated hereby. 

8. Disclosure. The Stockholder shall permit Parent to publish and disclose in all documents and schedules filed with the SEC, and any
press release or other disclosure document that Parent determines to be necessary or desirable in connection with the Offer, the Merger and any transactions related thereto, the Stockholder’s identity and ownership of Subject Shares and the
nature of the commitments, arrangements and understandings under this Agreement. Parent and Purchaser shall permit the Stockholder to publish and disclose in all disclosure documents required by Law (including any Schedule 13D/A filing), the nature
of the commitments, arrangements and understandings under this Agreement. 
 9. Further Assurances. Subject to the terms and
conditions of this Agreement, each party shall use commercially reasonable efforts to take, or cause to be taken, all actions, and to do, or cause to be done, all things necessary to fulfill such party’s obligations under this Agreement. 

10. Termination. This Agreement shall terminate and shall have no further force or effect as of the Expiration Date. Notwithstanding
the foregoing, nothing set forth in this Section 10 or elsewhere in this Agreement shall relieve either party hereto from liability, or otherwise limit the liability of either party hereto, for any material breach of this Agreement. 

11. Miscellaneous Provisions. 

(a) Amendment or Supplement. This Agreement may be amended or supplemented in any and all respects by written agreement signed by all
of the parties hereto. 
 (b) Extension of Time, Waiver, etc. Any party may, subject to applicable Law, solely as to itself:
(i) waive any inaccuracies in the representations and warranties of any other party hereto; (ii) extend the time for the performance of any of the obligations or acts of any other party hereto; or (iii) waive compliance by any other
party with any of the agreements contained in this Agreement or, except as otherwise provided in this Agreement, waive any of such party’s conditions set forth in this Agreement. Notwithstanding the foregoing, no failure or delay by the
Stockholder, Parent or Purchaser in exercising any right hereunder shall operate as a waiver of rights, nor shall any single or partial exercise of such rights preclude any other or further exercise of such rights or the exercise of any other right
hereunder. Any agreement on the part of a party hereto to any such extension or waiver shall be valid only if set forth in an instrument in writing signed on behalf of such party. 

  
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 (c) Entire Agreement; No Third Party Beneficiary. This Agreement constitutes the entire
agreement, and supersedes all prior agreements and understandings, both written and oral, among the parties hereto with respect to the subject matter of this Agreement. This Agreement is not intended, and shall not be deemed, to confer any rights or
remedies upon any person other than the parties hereto and their respective successors and permitted assigns or to otherwise create any third-party beneficiary hereto. This Agreement shall not be effective unless and until (i) the Company Board
of Directors has voted to approve the Merger Agreement, (ii) the Merger Agreement is executed by all the parties thereto, and (iii) this Agreement is executed by all the parties hereto. 

(d) Applicable Law; Jurisdiction. This Agreement shall be governed by, and construed in accordance with, the laws of the State of
Delaware, regardless of the laws that might otherwise govern under applicable principles of conflicts of laws. All actions and proceedings arising out of or relating to this Agreement or the negotiation, validity or performance of this Agreement,
shall be heard and determined in the Court of Chancery of the State of Delaware, and the parties irrevocably submit to the jurisdiction of such court (and, in the case of appeals, the appropriate appellate court therefrom), in any such action or
proceeding and irrevocably waive the defense of an inconvenient forum to the maintenance of any such action or proceeding. The consents to jurisdiction set forth in this paragraph shall not constitute general consents to service of process in the
State of Delaware and shall have no effect for any purpose except as provided in this paragraph and shall not be deemed to confer rights on any Person other than the parties hereto. The parties agree that service of any court paper may be made in
any manner as may be provided under the applicable Laws or court rules governing service of process in such court. The parties hereto agree that a final judgment in any such action or proceeding shall be conclusive and may be enforced in other
jurisdictions by suit on the judgment or in any other manner provided by applicable Law. EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES ANY AND ALL RIGHTS TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATED TO THIS AGREEMENT. 

(e) Specific Enforcement. The parties hereto agree that irreparable damage would occur for which monetary damages would not be an
adequate remedy in the event that any of the provisions of this Agreement are not performed in accordance with the terms hereof or are otherwise breached, and that the party seeking to enforce this Agreement against such nonperforming party under
this Agreement shall be entitled to specific performance and the issuance of injunctive and other equitable relief. The parties hereto further agree to waive any requirement for the securing or posting of any bond in connection with the obtaining of
any such injunctive or other equitable relief, this being in addition to any other remedy to which they are entitled at law or in equity. 

(f) Assignment. Neither this Agreement nor any of the rights, interests or obligations hereunder shall be assigned by any of the
parties hereto, in whole or in part (whether by operation of Law or otherwise), without the prior written consent of the other parties, and any attempt to make any such assignment without such consent shall be null and void, except that Purchaser
may assign, in its sole discretion, any or all of its rights, interests and obligations 

  
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under this Agreement to any one or more direct or indirect wholly owned Subsidiaries of Parent without the consent of the Stockholder, but no such assignment shall relieve Purchaser of any of its
obligations under this Agreement. Subject to the preceding sentence, this Agreement will be binding upon, inure to the benefit of and be enforceable by the parties hereto and their respective successors and assigns. 

(g) Notices. All notices and other communications hereunder shall be in writing and shall be deemed duly delivered: (i) four
(4) Business Days after being sent by registered or certified mail, return receipt requested, postage prepaid; (ii) one (1) Business Day after being sent for next Business Day delivery, fees prepaid, via a reputable nationwide
overnight courier service; or (iii) on the date of confirmation of receipt (or the first (1st) Business Day following such receipt if the date of such receipt is not a Business Day) of transmission by facsimile, in each case to the
intended recipient as set forth below (or to such other address or facsimile telephone number as such party shall have specified in a written notice given to the other parties hereto): 

if to Parent or Purchaser: 
 c/o
H.I.G. Middle Market, LLC 
 600 Fifth Avenue 

24th Floor 
 New York, New York
10020 
 Attention: Jeff Kelly and Vivek Jain 

Facsimile No: (212) 506-0559 

with a copy to (which copy shall not constitute notice): 

Kirkland & Ellis LLP 

300 North LaSalle Street 
 33rd
Floor 
 Chicago, Illinois 60654 

Attention: Jeffrey Seifman, P.C., Tana M. Ryan and Robert Goedert 

Facsimile No: (312) 862-2200, (213) 680-8149 and (312) 862-2200 

if to the Stockholder: 
 c/o
SageTrust Law Group 
 1750 Tysons Boulevard, Suite 1500 

McClean, VA 22102 
 Attention:
Dawn M. Dale, Esq. 
 Facsimile No: (703)-288-3773 

with a copy to: 
 Hogan Lovells
US LLP 
 7930 Jones Branch Drive, Ninth Floor 

McLean, VA 22102 
 Attention:
Robert A. Welp, Esq. 
 Facsimile No: (703) 610-6200 

  
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 (h) Severability. Any term or provision of this Agreement that is invalid or unenforceable
in any situation in any jurisdiction shall not affect the validity or enforceability of the remaining terms and provisions of this Agreement or the validity or enforceability of the offending term or provision in any other situation or in any other
jurisdiction. If a final judgment of a court of competent jurisdiction declares that any term or provision of this Agreement is invalid or unenforceable, the parties hereto agree that the court making such determination shall have the power to limit
such term or provision, to delete specific words or phrases or to replace such term or provision with a term or provision that is valid and enforceable and that comes closest to expressing the intention of the invalid or unenforceable term or
provision, and this Agreement shall be valid and enforceable as so modified. In the event such court does not exercise the power granted to it in the prior sentence, the parties hereto agree to replace such invalid or unenforceable term or provision
with a valid and enforceable term or provision that will achieve, to the extent possible, the economic, business and other purposes of such invalid or unenforceable term or provision. 

(i) Construction. 
 (i)
For purposes of this Agreement, whenever the context requires: (A) the singular number shall include the plural, and vice versa; (B) the masculine gender shall include the feminine and neuter genders; (C) the feminine gender shall
include the masculine and neuter genders; and (D) the neuter gender shall include the masculine and feminine genders. 
 (ii) The
parties hereto agree that any rule of construction to the effect that ambiguities are to be resolved against the drafting party shall not be applied in the construction or interpretation of this Agreement. 

(iii) As used in this Agreement, the words “include” and “including,” and variations thereof, shall not be
deemed to be terms of limitation, but rather shall be deemed to be followed by the words “without limitation.” 
 (j)
Descriptive Headings. The descriptive headings herein are inserted for convenience of reference only and are not intended to be part of or to affect the meaning or interpretation of this Agreement. 

(k) Counterparts; Signatures. This Agreement may be executed in two (2) or more counterparts, each of which shall be deemed an
original but all of which together shall be considered one and the same agreement and shall become effective when counterparts have been signed by each of the parties hereto and delivered to the other parties, it being understood that all parties
need not sign the same counterpart. This Agreement may be executed and delivered by facsimile transmission, by electronic mail in “portable document format” (“.pdf”) form, or by any other electronic means intended to
preserve the original graphic and pictorial appearance of a document, or by combination of such means, each of which shall be deemed an original. 

  
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 (l) No Recourse. Parent and Purchaser agree that the Stockholder (in his capacity as a
stockholder of the Company) will not be liable for claims, losses, damages, liabilities or other obligations resulting from the Company’s breach of the Merger Agreement. 

[Remainder of Page Intentionally Left Blank] 

  
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 IN WITNESS WHEREOF, the undersigned have caused this Agreement to be executed to be effective as
of the date first above written. 
  

			
	CLOUD INTERMEDIATE HOLDINGS LLC
		
	By:	 	/s/ Jeff Kelly
	Name: Jeff Kelly
	Title: President
	
	CLOUD MERGER SUB, INC.
		
	By:	 	/s/ Jeff Kelly
	Name: Jeff Kelly
	Title: President

 [Signature Page to Tender and Support Agreement] 

 IN WITNESS WHEREOF, the undersigned have caused this Agreement to be executed to be effective as
of the date first above written. 
  

			
	STOCKHOLDER:
		
	By:	 	/s/ Charles K. Narang
	Name: Charles K. Narang
	Title: Director
	
	Subject Shares Beneficially Owned
	
	4,617,659 shares of Company Common Stock
	
	0 shares of Company Common Stock issuable upon exercise of outstanding options
	
	0 shares of Company Common Stock subject to unvested restricted stock awards

 [Signature Page to Tender and Support Agreement]EX-10.2

 EXHIBIT 10.2 

Limited Guaranty 
 This
Limited Guaranty, dated as of July 2, 2017 (this “Guaranty”), is made by H.I.G. Middle Market LBO Fund II, L.P., a Delaware limited partnership (the “Guarantor”), in favor of NCI, Inc., a Delaware corporation
(the “Guaranteed Party”). Capitalized terms used but not defined herein have the meanings ascribed to them in the Merger Agreement (as defined below). 

1. Limited Guaranty. 

(a) In connection with the execution and delivery, as of the date hereof, of the Agreement and Plan of Merger, dated as of the
date hereof, by and among Cloud Intermediate Holdings, LLC, a Delaware limited liability company (“Parent”), Cloud Merger Sub, Inc., a Delaware corporation (“Purchaser”) and the Guaranteed Party (as the same may be
amended from time to time, the “Merger Agreement”), the Guarantor hereby absolutely, unconditionally and irrevocably guarantees to the Guaranteed Party, the due and punctual payment, observance, performance, and discharge of the
payment obligations of Parent with respect to (i) the Parent Termination Fee, (ii) monetary damages to the extent permitted by Section 7.3(d) of the Merger Agreement and (iii) any expense reimbursements or indemnification
obligations that become payable pursuant to Section 5.12(h) of the Merger Agreement, (collectively, the “Obligations”); provided that the maximum aggregate liability of the Guarantor hereunder shall not exceed an amount
equal to the sum of (A) the Parent Termination Fee, (B) monetary damages to the extent permitted by Section 7.3(d) of the Merger Agreement and (C) any expense reimbursements or indemnification obligations that become payable
pursuant to Section 5.12(h) of the Merger Agreement, minus (D) any amount actually paid by Parent to the Guaranteed Party in respect of the Obligations, collectively in an aggregate amount not to exceed $21,698,000 (the
“Cap”) and the Guaranteed Party hereby agrees that the Guarantor shall in no event be required to pay under, in respect of, or in connection with this Guaranty, more than the Cap. The Guaranteed Party hereby agrees that in no event
shall the Guarantor be required to pay any amount to the Guaranteed Party or any other Person under, in respect of, or in connection with this Guaranty other than as expressly set forth herein. 

(b) This Guaranty is an unconditional and continuing guaranty of payment and not of collection, and a separate action or
actions may be brought and prosecuted against the Guarantor to enforce this Guaranty, irrespective of whether any action is brought against Parent, Purchaser or any other Person or whether Parent, Purchaser or any other Person is joined in any such
action or actions. In the event any payment to the Guaranteed Party in respect of any Obligation is rescinded or otherwise must be (and is) returned to the Guarantor for any reason whatsoever, the Guarantor shall remain liable hereunder with respect
to the Obligations as if such payment had not been made to the extent the Guarantor is in fact liable for such payment hereunder. 

(c) All payments hereunder shall be made in lawful money of the United States, in immediately available funds. 

 2. Changes in Obligations; Certain Waivers. The Guarantor agrees that the Guaranteed Party
may at any time and from time to time, without notice to or further consent of the Guarantor, extend the time of payment of the Obligations, and may also enter into any agreement with Parent, Purchaser or with any other Person interested in the
transactions contemplated by the Merger Agreement, for the extension, renewal, payment, compromise, discharge or release thereof, in whole or in part, or for any modification of the terms of the Merger Agreement or of any agreement between the
Guaranteed Party and Parent or any such other Person without in any way impairing or affecting the Guarantor’s Obligations under this Guaranty. The Guarantor agrees that the Obligations hereunder shall not be released or discharged, in whole or
in part, or otherwise affected by: 
 (a) the failure of the Guaranteed Party to assert any claim or demand or to enforce any
right or remedy against Parent or any other Person interested in the transactions contemplated by the Merger Agreement; 

(b) any change in the time, place or manner of payment of the Obligations or any rescission, waiver, compromise, consolidation
or other amendment or modification of any of the terms or provisions of the Merger Agreement or any other agreement evidencing, securing or otherwise executed in connection with the Obligations; 

(c) the addition, substitution or release of any Person interested in the transactions contemplated by the Merger Agreement;

 (d) any change in the corporate existence, structure or ownership of Parent or any other Person interested in the
transactions contemplated by the Merger Agreement; 
 (e) any insolvency, bankruptcy, reorganization or other similar
proceeding affecting Parent or any other Person interested in the transactions contemplated by the Merger Agreement; 
 (f)
any change in the applicable Laws in any jurisdiction; or 
 (g) the adequacy of any other means the Guaranteed Party may
have of obtaining payment of the Obligations. 
 To the fullest extent permitted by applicable Law, the Guarantor hereby expressly waives any and all rights
or defenses arising by reason of any applicable Law that would otherwise require any election of remedies by the Guaranteed Party. The Guarantor waives promptness, diligence, notice of the acceptance of this Guaranty and of the Obligations,
presentment, demand for payment, notice of non-performance, default, dishonor and protest (but specifically excluding notices to be provided to Parent and its counsel in accordance with the Merger Agreement), all defenses which may be available by
virtue of any valuation, stay, moratorium law or other similar law now or hereafter in effect, any right to require the marshalling of the assets of Parent or any other Person interested in the transactions contemplated by the Merger Agreement, and
all suretyship defenses generally (other than fraud or willful misconduct by the Guaranteed Party, defenses to the payment of the Obligations that are available to Parent under the Merger Agreement or a material breach by the Guaranteed Party of
this Guaranty). The Guarantor acknowledges that it will receive substantial direct and indirect benefits from the transactions contemplated by the Merger Agreement and that the waivers set forth in this Guaranty are knowingly made in contemplation
of such benefits. 

  
 2 

 The Guaranteed Party hereby covenants and agrees that it shall not institute, and shall cause its
Affiliates not to institute, any proceeding or bring any other claim arising under, or in connection with, the Equity Commitment Letter delivered to Parent by the Guarantor (the “Equity Commitment Letter”) or the Merger Agreement or
the transactions contemplated thereby, against the Guarantor or any Guarantor Affiliate (as defined below), except for (1) claims against the Guarantor under the Equity Commitment Letter, solely to the extent permitted by Section 8.8(b) of
the Merger Agreement and the Equity Commitment Letter, seeking specific performance of the Equity Commitment Letter (subject to the limitations set forth therein and in the Merger Agreement), (2) claims against the Guarantor under this Guaranty
(subject to the limitations herein), or (3) any claim by the Guaranteed Party against Parent or Purchaser to the extent permitted under the Merger Agreement (collectively, the “Permitted Claims”), and the Guarantor hereby
covenants and agrees that it shall not institute, and shall cause its respective Affiliates not to institute, any proceeding asserting that this Guaranty is illegal, invalid or unenforceable in accordance with its terms. 

Notwithstanding any other provision of this Guaranty, the Guaranteed Party hereby agrees that (i) the Guarantor may assert, as a defense
to, or release or discharge of, any payment or performance by the Guarantor under this Guaranty or any claim, set-off, deduction, defense or release that Parent could assert against the Guaranteed Party under the terms of, or with respect to, the
Merger Agreement (including, without limitation, any such claim or defense that any Obligations are not then required to be due and payable by Parent pursuant to the terms and conditions of Article VII of the Merger Agreement and subject to the
limitations on liability set forth therein and in Section 8.8(b) of the Merger Agreement) and (ii) to the extent Parent is relieved of all or any portion of the Obligations under the Merger Agreement, the Guarantor shall likewise
automatically and without any further action on the part of any person be relieved of its obligations under this Guaranty. 
 3. No
Waiver; Cumulative Rights. No failure on the part of the Guaranteed Party to exercise, and no delay in exercising, any right, remedy or power hereunder shall operate as a waiver thereof, nor shall any single or partial exercise by the Guaranteed
Party of any right, remedy or power hereunder preclude any other or future exercise of any right, remedy or power hereunder. Subject to the limitations set forth herein, each and every right, remedy and power hereby granted to the Guaranteed Party
or allowed it by Law or other agreement shall be cumulative and not exclusive of any other, and may be exercised by the Guaranteed Party at any time or from time to time. The Guaranteed Party shall not have any obligation to proceed at any time or
in any manner against, or exhaust any or all of the Guaranteed Party’s rights against Parent, Purchaser or any other Person liable for the Obligations prior to proceeding against the Guarantor hereunder. Notwithstanding anything in this
Guaranty to the contrary, nothing in this Guaranty shall limit or impair the Guaranteed Party’s rights under the Merger Agreement. 

4. Representations and Warranties. The Guarantor hereby represents and warrants that: 

  
 3 

 (a) the Guarantor is a limited partnership duly organized, validly existing and
in good standing under the Laws of the State of Delaware and it has all necessary power and authority to execute, deliver and perform this Guaranty; 

(b) the execution, delivery and performance of this Guaranty have been duly authorized by all necessary action and do not
contravene any provision of the Guarantor’s organizational documents or any applicable Law or contractual restriction binding on the Guarantor or its assets, and this Guaranty has been duly executed and delivered by the Guarantor; 

(c) this Guaranty constitutes a legal, valid and binding obligation of the Guarantor enforceable against the Guarantor in
accordance with its terms, subject to (i) the effects of bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium or other similar Laws affecting creditors’ rights generally, and (ii) general equitable principles
(whether considered in a proceeding in equity or at law); 
 (d) all consents, approvals, authorizations, permits of, filings
with and notifications to, any Governmental Body necessary for the due execution, delivery and performance of this Guaranty by it have been obtained or made and all conditions thereof have been duly complied with, and no other action by, and no
notice to or filing with, any Governmental Body is required in connection with the execution, delivery or performance of this Guaranty; and 

(e) the Guarantor has the financial capacity to pay and perform its obligations under this Guaranty, and all funds necessary
for the Guarantor to fulfill the Obligations shall be available to the Guarantor for so long as this Guaranty shall remain in effect in accordance with Section 7. 

The Guarantor acknowledges that the Guaranteed Party has specifically relied on the accuracy of the representations and warranties contained
in this Section 4 in entering into the Merger Agreement. 
 5. Assignment. Neither the Guarantor, on the one hand, nor
the Guaranteed Party, on the other hand, may assign its respective rights, interests or obligations hereunder to any other Person (except by operation of law) without the prior written consent of the Guaranteed Party or the Guarantor, as the case
may be. 
 6. Notices. All notices and other communications between the parties hereto shall be in writing and shall be deemed to
have been duly given (a) when delivered in person, (b) when delivered after posting in the United States mail having been sent registered or certified mail return receipt requested, postage prepaid, (c) when delivered by FedEx or
other nationally recognized overnight delivery service or (d) when delivered by facsimile or email (in each case in this clause (d), solely if receipt is confirmed), addressed as follows: 

If to the Guarantor, to: 

  
 4 

 H.I.G. Middle Market LBO Fund II, L.P. 

c/o H.I.G. Middle Market, LLC 

600 Fifth Avenue 
 24th Floor 

New York, New York 10020 

Attention: Jeff Kelly and Vivek Jain 

Email: jkelly@higcapital.com and vjain@hig.capital.com 

Facsimile: (212) 506-0559 

with a copy (which shall not constitute notice) to: 

Kirkland & Ellis LLP 

300 North LaSalle Street 
 33rd
Floor 
 Chicago, Illinois 60654 

Attention: Jeffrey Seifman, P.C., Tana M. Ryan and Robert Goedert 

Email: jeffrey.seifman@kirkland.com, tryan@kirkland.com 

and rgoedert@kirkland.com 

Facsimile: (312) 862-2200, (213) 680-8149 and (312) 862-2200 

All notices to the Guaranteed Party shall be delivered in a written notice delivered to the Guaranteed Party in accordance with the Merger
Agreement. 
 7. Continuing Guaranty. Unless terminated pursuant to this Section 7, this Guaranty shall remain in full
force and effect and shall be binding on the Guarantor, its respective successors and permitted assigns until the Obligations have been paid, observed, performed or satisfied in full, at which time this Guaranty shall immediately and automatically
terminate and the Guarantor shall have no further obligations under this Guaranty. Notwithstanding the foregoing, this Guaranty shall terminate automatically and the Guarantor shall have no further obligations under this Guaranty immediately as of
the earliest to occur of (a) the Closing, (b) payment in full to the Guaranteed Party or its Affiliates of the Obligations, (c) termination of the Merger Agreement in accordance with its terms in any circumstances other than pursuant
to which Parent would be obligated to make a payment of the Obligations and (d) the date that is 90 days after the termination of the Merger Agreement in accordance with its terms in any circumstances pursuant to which Parent would be
obligated to make a payment in respect of the Obligations (any such termination, a “Qualifying Termination”), unless prior to the 90th day after a Qualifying Termination, the Guaranteed Party shall have commenced a suit, action or
other proceeding against Parent alleging payment of any Obligations due and owing or against the Guarantor that amounts are due and owing from the Guarantor pursuant to Section 1 hereof (a “Qualifying Suit”);
provided that if a Qualifying Termination has occurred and a Qualifying Suit is filed prior to the 90th day after a Qualifying Termination, the Guarantor shall have no further liability or obligation under this Guaranty from and after the
earliest of (w) the Closing, (x) a final, non-appealable resolution of such Qualifying Suit determining that either Parent does not owe any Obligations or that the Guarantor does not owe any amount pursuant to Section 1 hereof,
(y) a written agreement among the Guarantor and the Guaranteed Party terminating the Obligations, and (z) satisfaction of the Obligations by the Guarantor or Parent. Notwithstanding 

  
 5 

 
the foregoing, in the event that the Guaranteed Party or any of its respective Affiliates, equityholders or agents assert in any action that (A) the provisions of Section 1
limiting the Guarantor’s liability with respect to the Obligations to the Cap or the provisions of this Section 7 or Section 8 are illegal, invalid or unenforceable in whole or in part, or asserting any theory of
liability against the Guarantor or any Guarantor Affiliate with respect to the transactions contemplated by the Merger Agreement or (B) asserting, filing or otherwise commencing, directly or indirectly, any lawsuit or other legal proceeding
asserting a claim under, or action against, any Guarantor Affiliate in connection with this Guaranty, the Equity Commitment Letter, the Merger Agreement, the Debt Commitment Letter or any transaction contemplated hereby or thereby or otherwise
relating hereto or thereto, in each case other than any Permitted Claim, then (A) the obligations of the Guarantor under this Guaranty shall terminate ab initio and be null and void, (B) if the Guarantor has previously made any
payments under this Guaranty, it shall be entitled to recover such payments, and (C) neither the Guarantor nor any Guarantor Affiliate shall have any liability to the Guaranteed Party or any of its Affiliates with respect to the transactions
contemplated by the Merger Agreement or under this Guaranty. 
 8. No Recourse. The Guaranteed Party acknowledges the separate
corporate existence of Parent and that, as of the date hereof, Parent’s sole assets (if any) are a de minimis amount of cash, and that no additional funds are expected to be contributed to Parent unless and until the Closing occurs.
Notwithstanding anything that may be expressed or implied in this Guaranty or any document or instrument delivered contemporaneously herewith, by its acceptance of the benefits of this Guaranty, the Guaranteed Party acknowledges and agrees that it
will not seek, has no rights of recovery against, and no personal liability shall attach to, any former, current or future director, officer, employee, direct or indirect equityholder, controlling person, general or limited partner, manager, member,
stockholder, Affiliate, agent, successor or assign of the Guarantor (not including Parent, each a “Guarantor Affiliate” and collectively, the “Guarantor Affiliates”), through Parent, the Guarantor or otherwise,
whether by or through attempted piercing of the corporate veil, by or through a claim by or on behalf of Parent against any Guarantor Affiliate, by the enforcement of any assessment or by any legal or equitable proceeding, by virtue of any
applicable Law, or otherwise, except for (i) its rights to recover from the Guarantor (but not any Guarantor Affiliate) under, and to the extent provided in, this Guaranty and (ii) the right of the Guaranteed Party to seek specific
performance of the obligations of Parent pursuant to the terms of Section 8.8(b) of the Merger Agreement and the Equity Commitment Letter. Notwithstanding anything to the contrary herein, with the exception of the rights set forth in clause
(ii) immediately above, recourse against the Guarantor under this Guaranty shall be the sole and exclusive remedy of the Guaranteed Party and its Affiliates against the Guarantor in respect of any liabilities or obligations arising under, or in
connection with, the Merger Agreement, this Guaranty or the transactions contemplated thereby or hereby. Nothing set forth in this Guaranty shall affect or be construed to affect any liability of Parent to the Guaranteed Party or shall confer or
give or shall be construed to confer or give to any Person other than the Guaranteed Party (including any Person acting in a representative capacity) any rights or remedies against any Person other than the Guarantor as expressly set forth herein.
This Section 8 shall survive the termination of this Guaranty. 
 9. Governing Law; Jurisdiction and Forum. This Guaranty
and all claims or causes of action of any kind (whether in contract or tort) that may be based upon, arise out of or relate to 

  
 6 

 
this Guaranty, or the negotiation, execution or performance of this Guaranty shall be governed by the internal laws of the State of Delaware, without giving effect to any choice of law principle
that would require or permit the application of the laws of another jurisdiction. Any action arising out of or relating to this Guaranty may be brought in the Chancery Court of the State of Delaware and, in the absence of such jurisdiction, the
United States District Court for the District of Delaware, and each of the parties irrevocably and unconditionally submits to the exclusive jurisdiction of such courts in any such action, agrees to take any and all future action necessary to submit
to the jurisdiction of such courts, waives any objection it may now or hereafter have to venue or to convenience of forum, agrees that all claims in respect of the action shall be heard and determined only in any such court and agrees not to bring
any action arising out of or relating to this Guaranty or any transaction contemplated hereby in any other court. 
 10. Waiver of Jury
Trial. THE PARTIES HEREBY WAIVE ANY RIGHT TO TRIAL BY JURY IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS GUARANTY OR THE TRANSACTIONS CONTEMPLATED HEREBY, WHETHER NOW EXISTING OR HEREAFTER ARISING, AND WHETHER ARISING IN
CONTRACT, TORT OR OTHERWISE. THE PARTIES AGREE THAT ANY OF THEM MAY FILE A COPY OF THIS PARAGRAPH WITH ANY COURT AS WRITTEN EVIDENCE OF THE KNOWING, VOLUNTARY AND BARGAINED-FOR AGREEMENT AMONG THE PARTIES IRREVOCABLY TO WAIVE TRIAL BY JURY AND THAT
ANY ACTION OR PROCEEDING WHATSOEVER AMONG THEM RELATING TO THIS GUARANTY OR ANY OF THE TRANSACTIONS CONTEMPLATED HEREBY SHALL INSTEAD BE TRIED IN A COURT OF COMPETENT JURISDICTION BY A JUDGE SITTING WITHOUT A JURY. 

11. Severability. Any term or provision of this Guaranty that is invalid or unenforceable in any situation in any jurisdiction will not
affect the validity or enforceability of the remaining terms and provisions hereof or the validity or enforceability of the offending term or provision in any other situation or in any other jurisdiction; provided that this Guaranty may not
be enforced without giving effect to the Cap with respect to the Obligations provided in Section 1 hereof and to the provisions of Section 7, Section 8 and the final paragraph of Section 2 hereof. No
party hereto shall assert, and each party shall cause its respective Affiliates, members, securityholders and representatives not to assert, that this Guaranty or any part hereof is invalid, illegal or unenforceable. 

12. Confidentiality. This Guaranty shall be treated as confidential and is being provided to the Guaranteed Party solely in connection
with the execution and delivery of the Merger Agreement. This Guaranty may not be used, circulated, quoted or otherwise referred to in any document, except with the written consent of the Guarantor and the Guaranteed Party; provided that no
such written consent shall be required (and the Guarantor, the Guaranteed Party and their respective Affiliates shall be free to release such information) for disclosures to such Person’s respective members, limited partners, securityholders
and representatives, so long as such Persons agree to keep such information confidential on terms substantially identical to the terms contained in this Section 12 or are otherwise bound by a contractual, legal or fiduciary obligation to
keep such information confidential; further provided, that the Guarantor and the Guaranteed Party may disclose this Guaranty to the extent required by Law, the applicable rules of any national securities exchange or required or requested by
the SEC. 

  
 7 

 13. Equity Commitment Letter and Debt Commitment Letter. The Guaranteed Party hereby
acknowledges that it has received fully executed copies of the Equity Commitment Letter and the Debt Commitment Letter and acknowledges and agrees that, except as expressly and to the extent provided in Section 3 of the Equity Commitment Letter
and subject to all of the terms, conditions and limitations herein and therein, nothing contained herein or therein shall entitle the Guaranteed Party or any of its Affiliates to (a) enforce specifically the Equity Commitment Letter or the Debt
Commitment Letter or (b) otherwise have any rights as a third party beneficiary or otherwise against the Guarantor or any other person under the Equity Commitment Letter or the Debt Commitment Letter. 

14. Counterparts; Electronic Execution. This Guaranty may be executed in counterparts all of which taken together shall constitute one
and the same instrument. Delivery of an executed counterpart of this Guaranty by telefacsimile or other electronic means of transmission (e.g., a “PDF”) shall be equally as effective as delivery of an original executed counterpart of this
Guaranty. 
 15. Headings. Section headings in this Guaranty are for convenience of reference only and shall not govern the
interpretation of any provision of this Guaranty. 
 [Remainder of this page intentionally left blank.] 

  
 8 

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

			
	H.I.G. MIDDLE MARKET LBO FUND II, L.P.
		
	By:	 	    H.I.G. Middle Market Advisors II, LLC
	Its:	 	    General Partner
		
	By:	 	    H.I.G.-GP II, Inc.
	Its:	 	    Manager
		
	By:	 	/s/ Richard Siegel
		 	Name: Richard Siegel
		 	Title: Authorized Signatory

  
 [Signature Page -
Limited Guaranty] 

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

			
	NCI, INC.
		
	By:	 	/s/ Paul Dillahay
		 	Name: Paul Dillahay
		 	Title: Chief Executive Officer

  
 [Signature Page -
Limited Guaranty]

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