Document:

Engility Holdings, Inc. 2012 Directors Stock Incentive Plan

 Exhibit 4.5 
 ENGILITY HOLDINGS, INC. 
 2012 DIRECTORS STOCK INCENTIVE PLAN 

 

	1.	Purpose of the Plan 

 The
Engility Holdings, Inc. 2012 Directors Stock Incentive Plan (the “Plan”) is designed: 
 (a) to promote the
long-term financial interests and growth of Engility Holdings, Inc. (the “Corporation”) and its Subsidiaries by attracting and retaining Non-Employee Directors with the training, experience and ability to enable them to make a
substantial contribution to the success of the Corporation’s business; and 
 (b) to further the alignment of interests of
Non-Employee Directors with those of the stockholders of the Corporation through opportunities for increased stock, or stock-based, ownership in the Corporation. 
  

	2.	Definitions 

 As used in
the Plan, the following words shall have the following meanings: 
 (a) “Award” means any award granted pursuant to
Section 3. 
 (b) “Award Agreement” means an agreement described in Section 6 by the Corporation for the
benefit of a Participant, setting forth (or incorporating by reference) the terms and conditions of an Award granted to a Participant. 
 (c) “Board of Directors” means the Board of Directors of the Corporation. 
 (d) “Code” means the Internal Revenue Code of 1986, as amended. 
 (e)
“Committee” means the Compensation Committee of the Board of Directors. 
 (f) “Common Stock” or
“Share” means common stock, par value $.01 per share of the Corporation, subject to adjustments made under Sections 8 and 9 or by operation of law. 
 (g) “Exchange Act” means the Securities Exchange Act of 1934, as amended. 
 (h) “Fair Market Value” means, unless otherwise defined in an Award Agreement, the closing price of the Common Stock as reported on the composite tape of New York Stock Exchange issues (or if,
at the date of determination, the Common Stock is not so listed or if the principal market on which it is traded is not the New York Stock Exchange, such other reporting system as shall be selected by the Committee) on the relevant date, or, if no
sale of the Common Stock is reported for that date, the next preceding day for which there is a reported sale. The Committee shall determine the Fair Market Value of any security that is not publicly traded, using criteria as it shall determine, in
its sole direction, to be appropriate for the valuation. 
 (i) “Non-Employee Director” means a director of the
Corporation who is not (i) an employee of the Corporation or any of its Subsidiaries, (ii) a director, officer or employee of any 

 
entity that owns, beneficially or of record, directly or indirectly, 10% or more of the Common Stock outstanding on the date of grant of the Award or (iii) a person that owns, beneficially
or of record, directly or indirectly, 10% or more of the Common Stock outstanding on the date of grant of the Award. 
 (j)
“Participant” means a Non-Employee Director to whom one or more grants of Awards have been made and such grants have not all been forfeited or terminated under the Plan. 

(k) “Subsidiary” shall mean any corporation in an unbroken chain of corporations beginning with the Corporation if each of the
corporations, or group of commonly controlled corporations, other than the last corporation in the unbroken chain then owns stock possessing 50% or more of the total combined voting power of all classes of stock in one of the other corporations in
such chain. 
  

	3.	Awards 

 (a) Type of
Awards. Participants may be granted any of the following types of Awards, either singly, in tandem or in combination with other Awards, at such times and for such number of shares of Common Stock as shall be determined from time to time by the Board
of Directors (and/or the Committee to the extent such authority is delegated thereto in whole or in part by the Board of Directors): 
 (1) Options. An Option is an Award in the form of an option to purchase shares of Common Stock that is not intended to comply with requirements of Section 422 of the Code. The exercise price of each
Option granted under this Plan shall not be less than the Fair Market Value of the Common Stock on the date that the Option is granted. No dividend equivalents may be paid on unissued shares of Common Stock underlying an Award of Options.

 (2) Restricted Stock. Restricted Stock is an Award of issued shares of Common Stock (other than Minimum Ownership Stock) that
are subject to restrictions on transfer and/or such other restrictions on incidents of ownership as the Committee may determine. Unless otherwise provided by the Committee in the applicable Award Agreement, the vesting period for Awards of
Restricted Stock shall be three years following date of grant. 
 (3) Restricted Stock Units. A Restricted Stock Unit is an
Award of bookkeeping credits that automatically convert into shares of Common Stock upon satisfaction of a stated vesting period or requirement. Restricted Stock Units are not outstanding shares of Common Stock and do not entitle a Participant to
voting or other rights with respect to Common Stock; provided, however, that the applicable Award Agreement may provide for the payment of dividend equivalents on unissued shares of Common Stock underlying an Award of Restricted Stock Units, on
either a current or deferred or contingent basis, and either in cash or in additional shares of Common Stock. 
 (4) Minimum
Ownership Stock. Minimum Ownership Stock is an Award of shares of Common Stock that are issued to the Participant in lieu of cash compensation otherwise payable to the Participant in order to satisfy the Corporation’s applicable stock ownership
guidelines from time to time in effect. Minimum Ownership Stock shall not be subject to any vesting period or requirement, but may be subject to restrictions on transfer and/or such other restrictions on incidents of ownership as the Committee may
determine. 

  
 2 

 (5) Other Common Stock Based Awards. The Committee may from time to time grant Awards under
this Plan that provide the Participants with shares of Common Stock or the right to purchase Stock, or provide other incentive Awards (including, but not limited to, Minimum Ownership Stock, phantom stock or units, performance stock or units, bonus
stock, dividend equivalent units, or similar securities or rights) that have a value derived from the value of, or an exercise or conversion privilege at a price related to, or that are otherwise payable in shares of Common Stock. The Awards shall
be in a form determined by the Committee, provided that the Awards shall not be inconsistent with the other express terms of this Plan applicable to such Awards. 
 (b) At or prior to the time of the grant of each Award the Committee shall determine, and shall include or incorporate by reference in the Award Agreement, such other conditions or restrictions on the
grant or exercise of the Award as the Committee deems appropriate. 
  

	4.	Shares of Common Stock Subject to the Plan 

 (a) Subject to the provisions of Section 8 and this Section 4, the maximum number of shares of Common Stock that may be issued pursuant to all Awards under the Plan is 200,000. Any unexercised,
unconverted or undistributed portion of any expired, cancelled, terminated or forfeited Award, or any alternative form of consideration under an Award that is not paid in connection with the settlement of an Award or any portion of an Award
(including any shares under an Award that are not issued in consideration for a cash settlement of equivalent value), shall again be available for Awards under the Plan, whether or not the Participant has received benefits of ownership (such as
dividends or dividend equivalents or voting rights) during the period in which the Participant’s ownership was restricted or otherwise not vested. For the avoidance of doubt, the following shares of Common Stock shall not become available for
reissuance under the Plan: (1) shares tendered by Participants as full or partial payment to the Corporation upon exercise of Options and (2) shares withheld by, or otherwise remitted to, the Corporation to satisfy a Participant’s tax
withholding obligations in connection with an Award. 
 (b) Shares of Common Stock deliverable under the terms of the Plan may
be, in whole or in part, authorized and unissued shares of Common Stock, or issued shares of Common Stock held in the Corporation’s treasury, or both. 
 (c) The Corporation shall at all times reserve a number of shares of Common Stock (authorized and unissued shares of Common Stock, issued shares of Common Stock held in the Corporation’s treasury, or
both) equal to the maximum number of shares of Common Stock that may be subject to outstanding Award grants and future Award grants under the Plan. 
  

	5.	Administration of the Plan 

(a) The Plan shall be administered by the Committee or a subcommittee appointed by the Committee. The Committee may adopt its own rules of
procedure, and action of a majority of the members of the Committee taken at a meeting, or action taken without a meeting by unanimous written consent, shall constitute action by the Committee. The Committee shall have the power and authority to
administer, construe and interpret the Plan, to make rules for carrying it out and to make changes in such rules. Any such interpretations, rules and administration shall be consistent with the basic purposes of the Plan. 

  
 3 

 (b) The participating members of the Committee administering the Plan shall include only
those members of the Committee who are “Non-Employee Directors” (as defined in Rule 16b-3 promulgated under the Exchange Act). 
 (c) Unless in contravention to any laws, rules and regulations governing the Plan, including the Exchange Act, the Committee may delegate to the chief executive officer and to other senior officers of the
Corporation its duties under the Plan subject to such conditions and limitations as the Committee shall prescribe; provided that under no circumstances may the chief executive officer or any other senior officer be delegated any authority (including
the authority to approve or award the grant of an Award), except as permitted under New York and Delaware law. 
 (d) The
Committee may employ attorneys, consultants, accountants, appraisers, brokers or other persons in respect of the administration of the Plan, who may be employees of the Corporation or outside advisers to the Corporation. The Committee, the
Corporation, and the officers and directors of the Corporation shall be entitled to rely upon the advice, opinions or valuations of any such persons. All actions taken and all interpretations and determinations made by the Committee in good faith
shall be final and binding upon all Participants, the Corporation and all other interested persons. No member of the Committee shall be personally liable for any action, determination or interpretation made in good faith with respect to the Plan or
Award grants, and all members of the Committee shall be fully protected, indemnified and held harmless by the Corporation with respect to any such action, determination or interpretation. 

 

	6.	Eligibility 

 Award grants
may be made under this Plan only to Non-Employee Directors of the Corporation. The terms, conditions and limitations of each Award granted under the Plan shall be set forth or incorporated by reference in an Award Agreement, in a form approved by
the Committee, consistent, however, with the terms of the Plan; provided, however, that such Award Agreement shall contain or incorporate by reference provisions dealing with the treatment of Awards (including forfeiture or acceleration of vesting
of all or a portion of the Award) in the event of the termination, death or disability of a Participant, or a change of control of the Corporation. 
  

	7.	Limitations and Conditions 

(a) No Option may be exercised, converted or otherwise remain outstanding, more than ten years after the date the Option was initially
granted. 
 (b) Nothing contained herein shall affect the right of the Corporation or its directors or stockholders to remove
any Non-Employee Director in accordance with the Certificate of Incorporation, By-laws of the Corporation or applicable law. 

(c) Other than by will or by the laws of descent and distribution, no benefit under the Plan shall be subject in any manner to
anticipation, alienation, sale, transfer, assignment, pledge, 

  
 4 

 
encumbrance, or charge, and any attempt to do so shall be void, except that to the extent provided for by the Committee in the applicable Award Agreement, Awards may be transferred to and
exercised by a family member or family members of a Participant, or transferred to an irrevocable trust or trusts (or other similar estate planning entity or entities) established for the benefit of a Participant and/or one or more of the
Participant’s family members. No such benefit shall, prior to receipt thereof by the Participant, be in any manner or subject to attachment, satisfaction or discharge of the debts, contracts, liabilities, engagements, or obligations arising in
respect of torts of the Participant. The designation of a beneficiary hereunder shall not constitute a transfer prohibited by the foregoing provisions. 
 (d) A Participant shall have no rights as a holder of Common Stock with respect to any unissued securities covered by an Award until the date the Participant becomes the holder of record of these
securities. Except as provided in Section 8, no adjustment or other provision shall be made for dividends or other stockholder rights, except to the extent that the Award Agreement provides for dividend equivalents or similar economic benefits.

 (e) During the lifetime of a Participant, an election as to benefits and/or the exercise of Awards may be made only by such
Participant or by his or her guardian, trustee or other legal representative, except that to the extent provided for by the Committee in the applicable Award Agreement, Awards may be transferred to and exercised by a family member or family members
of a Participant, or transferred to an irrevocable trust or trusts (or other similar estate planning entity or entities) established for the benefit of a Participant and/or one or more of the Participant’s family members. 

(f) Absent express provisions to the contrary, any grant of Awards under this Plan shall not be deemed compensation for purposes of
computing benefits or contributions under any retirement plan of the Corporation or its Subsidiaries and shall not affect any benefits under any other benefit plan of any kind now or subsequently in effect under which the availability or amount of
benefits is related to level of compensation. This Plan is not a “Retirement Plan” or “Welfare Plan” under the Employee Retirement Income Security Act of 1974, as amended. 

(g) Unless the Committee determines otherwise, no benefit, Award or other promise under the Plan shall be secured by any specific assets
of the Corporation or any of its Subsidiaries, nor shall any assets of the Corporation or any of its Subsidiaries be designated as attributable or allocated to the satisfaction of the Corporation’s obligations under the Plan or any applicable
Award Agreement. 
  

	8.	Adjustments  

 If there
shall occur any recapitalization, stock split (including a stock split in the form of a stock dividend), reverse stock split, merger, combination, consolidation, or other reorganization or any extraordinary dividend or other extraordinary
distribution in respect of the Common Stock (whether in the form of cash, Common Stock or other property), or any split up, spin off, extraordinary redemption, or exchange of outstanding Common Stock, or there shall occur any other similar corporate
transaction or event in respect of the Common Stock, or a sale of substantially all the assets of the Corporation as an entirety, then the Committee shall, in the manner and to the extent, if any, as it deems appropriate and equitable to the
Participants and consistent with the terms of this Plan, and taking into consideration the effect of the event on the holders of the Common Stock: 
 (a) proportionately adjust any or all of: 
 (1) the number and type
of shares of Common Stock which thereafter may be made the subject of Awards (including the specific maxima and numbers of shares of Common Stock set forth elsewhere in this Plan), 

  
 5 

 (2) the number and type of shares of Common Stock, other property or cash
subject to any or all outstanding Awards, 
 (3) the grant, purchase or exercise price, or conversion ratio of
any or all outstanding Awards, or of the Common Stock or other property underlying the Awards, 
 (4) the
securities, cash or other property deliverable upon exercise or conversion of any or all outstanding Awards, or 

(5) any other terms as are affected by the event; and/or 

(b) provide for: 
 (1) an appropriate and proportionate cash settlement or distribution, or 
 (2) the substitution or exchange of any or all outstanding Awards, or the cash, securities or property deliverable on exercise, conversion or vesting of the Awards. 

The Committee shall act prior to an event described in this Section 8 (including at the time of an Award by means of more specific
provisions in the Award Agreement) if deemed necessary or appropriate to permit the Participant to realize the benefits intended to be conveyed by an Award in respect of the Common Stock in the case of an event described in this Section 8.

  

	9.	Change in Control 

 The
Committee may, in the Award Agreement, provide for the effect of a Change in Control (as defined in the Engility Holdings, Inc. 2012 Long Term Performance Plan, as amended or replaced from time to time) on an Award. Such provisions may include, but
are not limited to any one or more of the following with respect to any or all Awards: (i) the specific consequences of a Change in Control on the Awards; (ii) a reservation of the Committee’s right to determine in its discretion at
any time that there shall be full acceleration or no acceleration of benefits under the Awards; (iii) that only certain or limited benefits under the Awards shall be accelerated; (iv) that the Awards shall be accelerated for a limited time
only; or (v) that acceleration of the Awards shall be subject to additional conditions precedent (such as a termination of employment following a Change in Control). 

  
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 In addition to any action required or authorized by the terms of an Award, the Committee may
take any other action it deems appropriate to ensure the equitable treatment of Participants in the event of a Change in Control, including but not limited to any one or more of the following with respect to any or all Awards: (i) the
acceleration or extension of time periods for purposes of exercising, vesting in, or realizing gain from, the Awards; (ii) the waiver of conditions on the Awards that were imposed for the benefit of the Corporation, (iii) provision for the
cash settlement of the Awards for their equivalent cash value, as determined by the Committee, as of the date of the Change in Control; or (iv) such other modification or adjustment to the Awards as the Committee deems appropriate to maintain
and protect the rights and interests of Participants upon or following the Change in Control. The Committee also may accord any Participant a right to refuse any acceleration of exercisability, vesting or benefits, whether pursuant to the Award
Agreement or otherwise, in such circumstances as the Committee may approve. 
 Notwithstanding the foregoing provisions of this
Section 9 or any provision in an Award Agreement to the contrary, if any Award is accelerated to a date that is less than six months after the date of the Award, the Committee may prohibit a sale of the underlying Common Stock (other than a
sale by operation of law in exchange for or through conversion into other securities), and the Corporation may impose legend and other restrictions on the Common Stock to enforce this prohibition. 

 

	10.	Amendment and Termination 

(a) The Committee shall have the authority to make such amendments to any terms and conditions applicable to outstanding Awards as are
consistent with this Plan; provided that, except for adjustments under Section 8 hereof, no such action shall modify any such Award in a manner adverse to the Participant without the Participant’s consent; provided further that, no
amendment or cancellation of an Award may effect a Repricing of such Award, except in connection with an adjustment pursuant to Sections 8 or 9. A “Repricing” means any of the following: (i) changing the terms of an Award to lower its
exercise price or base price, (ii) cancelling an Award with an exercise price or base price in exchange for other Awards with a lower exercise price or base price, or (iii) cancelling an Award with an exercise price or base price at a time
when such price is equal to or greater than the Fair Market Value of the underlying Common Stock in exchange for other Awards, cash or property. 
 (b) The Board of Directors may at any time amend, suspend or terminate this Plan, subject to any stockholder approval that may be required under applicable law. Notwithstanding the foregoing, no such
action, other than an action under Section 8 or 9 hereof, may be taken that would modify an outstanding Award in a manner adverse to the Participant without the Particpant’s consent, change the requirements relating to the Committee, or
(without obtaining stockholder approval) extend the term of the Plan. 

  
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	11.	Purchase or Exercise Price; Withholding 

 The exercise or purchase price (if any) of the Common Stock issuable pursuant to any Award and the withholding obligation, if any, under applicable tax laws shall be paid at or prior to the time of the
delivery of such Common Stock in cash or, subject to the Committee’s express authorization and the restrictions, conditions and procedures as the Committee may impose, any one or combination of (i) cash, (ii) the delivery of shares of
Common Stock, or (iii) a reduction in the amount of Common Stock or other amounts otherwise issuable or payable pursuant to such Award. In the case of a payment by the means described in clause (ii) or (iii) above, the Common Stock to
be so delivered or offset shall be determined by reference to the Fair Market Value of the Common Stock on the date as of which the payment or offset is made. 
  

	12.	Effective Date; Duration 

This Plan shall become effective on the date on which it is adopted by the Board of Directors of the Corporation. Subject to
Section 10(b), this Plan shall remain in effect until any and all Awards under this Plan have been exercised, converted or terminated under the terms of this Plan and applicable Award Agreements. Notwithstanding the foregoing, no Award may be
granted under this Plan after [—], 2022; provided, however, that any Award granted prior to such date may be amended after such date in any manner that would have been permitted hereunder prior to
such date. 
  

	13.	Governing Law 

 The
validity, interpretation, construction and performance of this Plan and all Award Agreements hereunder shall be governed by, and construed in accordance with, the laws of the State of New York. 

 

	14.	Severability 

 If any
provisions of this Plan or any applicable Award Agreement shall be held by a court of competent jurisdiction to be invalid or unenforceable, the remaining provisions hereof shall continue to be fully effective. 

 

	15.	Section 409A 

Notwithstanding other provisions of the Plan or any Award Agreements thereunder, no Award shall be granted, deferred, accelerated,
extended, paid out or modified under this Plan in a manner that would result in the imposition of an additional tax under Section 409A of the Code upon a Participant. In the event that it is reasonably determined by the Board or Committee that,
as a result of Section 409A of the Code, payments in respect of any Award under the Plan may not be made at the time contemplated by the terms of the Plan or the relevant Award agreement, as the case may be, without causing the Participant
holding such Award to be subject to taxation under Section 409A of the Code, the Company will make such payment on the first day that would not result in the Participant incurring any tax liability under Section 409A of the Code.

  
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	16.	Option Holding Period 

Subject to the authority of the Committee under Sections 8 and 9, and except as otherwise provided by the Committee or as allowed under
Rule 16b-3 of the Exchange Act, a minimum six month period shall elapse between the date of initial grant of any Option and the sale of the underlying shares of Common Stock, and the Corporation may impose legend and other restrictions on the Common
Stock issued on exercise of the Options to enforce this requirement; provided, however, that such limitation shall not apply to the extent provided by the Committee on account of the Participant’s death, permanent disability or retirement or in
the event of a Change in Control. 
  

	17.	Compliance with Laws; Exculpation and Indemnity 

 This Plan, Award Agreements, and the grant, exercise, conversion, operation and vesting of Awards, and the issuance and delivery of shares of Common Stock and/or other securities or property or the
payment of cash under this Plan, Awards or Award Agreements, are subject to compliance with all applicable federal and state laws, rules and regulations (including but not limited to state and federal insider trading, registration, reporting and
other securities laws and federal margin requirements) and to such approvals by any listing, regulatory or governmental authority as may be necessary or, in the opinion of counsel for the Corporation, advisable in connection therewith. Any
securities delivered under this Plan shall be subject to such restrictions (and the person acquiring such securities shall, if requested by the Corporation, provide such evidence, assurance and representations to the Corporation as to compliance
with any of such restrictions) as the Corporation may deem necessary or desirable to assure compliance with all applicable legal requirements. 
 Neither the Corporation nor any member of the Board of Directors or of the Committee, nor any other person participating in any determination of any question under this Plan, or in the interpretation,
administration or application of this Plan, shall have any liability to any party for any action taken or not taken in good faith under this Plan or for the failure of an Award (or action in respect of an Award) to realize intended tax consequences,
to qualify for exemption or relief under Rule 16b-3 or to comply with any other law, compliance with which is not required on the part of the Corporation. 
  

	18.	Non Exclusivity of Plan 

Nothing in this Plan shall limit or be deemed to limit the authority of the Corporation, the Board or the Committee to grant awards or
authorize any other compensation, with or without reference to the Common Stock, under any other plan or authority. 

  
 9Engility Holdings, Inc. 2012 Employee Stock Purchase Plan

 Exhibit 4.6 
 ENGILITY HOLDINGS, INC. 
 2012 EMPLOYEE STOCK PURCHASE PLAN

 Table of Contents 

 

									
	 ARTICLE I. Purpose
	  	 	1	  
				
		 	 1.01
	    	 Purpose.
	  	 	1	  
		
	 ARTICLE II. Definitions
	  	 	1	  
				
		 	 2.01
	    	 Account.
	  	 	1	  
		 	 2.02
	    	 Affiliate.
	  	 	1	  
		 	 2.03
	    	 Benefit Plan Committee.
	  	 	1	  
		 	 2.04
	    	 Code.
	  	 	1	  
		 	 2.05
	    	 Company.
	  	 	1	  
		 	 2.06
	    	 Compensation.
	  	 	2	  
		 	 2.07
	    	 Designated Affiliate.
	  	 	2	  
		 	 2.08
	    	 Designated Subsidiary Corporation.
	  	 	2	  
		 	 2.09
	    	 Employee.
	  	 	2	  
		 	 2.10
	    	 Fair Market Value.
	  	 	3	  
		 	 2.11
	    	 Offering Period.
	  	 	3	  
		 	 2.12
	    	 Plan.
	  	 	3	  
		 	 2.13
	    	 Purchase Date.
	  	 	3	  
		 	 2.14
	    	 Purchase Price.
	  	 	3	  
		 	 2.15
	    	 Recordkeeper.
	  	 	3	  
		 	 2.16
	    	 Reserves.
	  	 	3	  
		 	 2.17
	    	 Stock.
	  	 	4	  
		 	 2.18
	    	 Subsidiary Corporation.
	  	 	4	  
		 	 2.19
	    	 Trading Day.
	  	 	4	  
		
	 ARTICLE III. Eligibility and Participation
	  	 	4	  
				
		 	 3.01
	    	 Initial Eligibility.
	  	 	4	  
		 	 3.02
	    	 Participation.
	  	 	4	  
		 	 3.03
	    	 Restrictions on Participation.
	  	 	4	  
		
	 ARTICLE IV. Offerings
	  	 	5	  
				
		 	 4.01
	    	 Semi-Annual Offerings.
	  	 	5	  
		
	 ARTICLE V. Payroll Deductions
	  	 	5	  
				
		 	 5.01
	    	 Amount of Deduction.
	  	 	5	  
		 	 5.02
	    	 Participant’s Account.
	  	 	6	  
		 	 5.03
	    	 Changes in Payroll Deductions.
	  	 	6	  
		
	 ARTICLE VI. Grant and Exercise of Option
	  	 	6	  
				
		 	 6.01
	    	 Number of Option Shares.
	  	 	6	  

									
		 	 6.02
	    	 Automatic Purchase.
	  	 	7	  
		 	 6.03
	    	 Transferability of Option.
	  	 	7	  
		 	 6.04
	    	 Delivery of Shares.
	  	 	7	  
		 	 6.05
	    	 Distribution of Shares.
	  	 	7	  
		
	 ARTICLE VII. Withdrawal from Plan and Termination of Employment
	  	 	8	  
				
		 	 7.01
	    	 Withdrawal from Plan Participation.
	  	 	8	  
		 	 7.02
	    	 Termination of Employment.
	  	 	8	  
		 	 7.03
	    	 Leave of Absence.
	  	 	8	  
		
	 ARTICLE VIII. Stock
	  	 	9	  
				
		 	 8.01
	    	 Maximum Shares.
	  	 	9	  
		 	 8.02
	    	 Participant’s Interest in Option Stock.
	  	 	9	  
		
	 ARTICLE IX. Administration
	  	 	9	  
				
		 	 9.01
	    	 Authority of the Benefit Plan Committee.
	  	 	9	  
		 	 9.02
	    	 Rules Governing the Administration of the Benefit Plan Committee.
	  	 	10	  
		 	 9.03
	    	 Indemnification.
	  	 	10	  
		 	 9.04
	    	 Recordkeeper.
	  	 	11	  
		 	 9.05
	    	 Administrative Costs.
	  	 	11	  
		
	 ARTICLE X. Miscellaneous
	  	 	11	  
				
		 	 10.01
	    	 Designation of Beneficiary.
	  	 	11	  
		 	 10.02
	    	 Transferability.
	  	 	11	  
		 	 10.03
	    	 Withholding.
	  	 	11	  
		 	 10.04
	    	 Use of Funds.
	  	 	12	  
		 	 10.05
	    	 Reports.
	  	 	12	  
		 	 10.06
	    	 Adjustment Upon Changes in Capitalization.
	  	 	12	  
		 	 10.07
	    	 Amendment and Termination.
	  	 	13	  
		 	 10.08
	    	 No Employment.
	  	 	13	  
		 	 10.09
	    	 Notices.
	  	 	13	  
		 	 10.10
	    	 Elections.
	  	 	13	  
		 	 10.11
	    	 Conditions Upon Issuance of Shares.
	  	 	14	  
		 	 10.12
	    	 Effect of Plan.
	  	 	14	  
		 	 10.13
	    	 Effective Date.
	  	 	14	  
		 	 10.14
	    	 Governing Law.
	  	 	14	  

  
 ii 

 ARTICLE I. Purpose 
 1.01 Purpose. 
 The purpose of this Engility Holdings, Inc. 2012 Employee
Stock Purchase Plan is to provide employees of Engility Holdings, Inc. and its Designated Subsidiary Corporations with an opportunity to purchase shares of common stock of Engility Holdings, Inc. under a plan that satisfies the requirements of an
“employee stock purchase plan” under Section 423 of the Internal Revenue Code. 
 In addition, this Plan provides
for the purchase of shares under a plan which is not subject to Section 423 of the Code pursuant to rules, procedures or sub-plans adopted by the Benefit Plan Committee designed to achieve tax, securities law or other objectives for eligible
employees of Designated Affiliates of the Company. Except as otherwise provided herein, the portion of the Plan that does not satisfy the requirements of Code Section 423 will operate and be administered in the same manner as the portion of the
Plan that does satisfy such requirements. 
 ARTICLE II. Definitions 

2.01 Account. 

“Account” means the brokerage account maintained on behalf of each participant by the Recordkeeper for the purpose of investing
in Stock and engaging in other transactions permitted under the Plan. 
 2.02 Affiliate. 

“Affiliate” means an entity, other than a Designated Subsidiary Corporation, in which the Company has a direct or indirect
controlling interest. 
 2.03 Benefit Plan Committee. 
 “Benefit Plan Committee” means the individuals appointed by the Board of Directors of the Company to administer the Company’s employee benefit plans. 

2.04 Code. 

“Code” means the Internal Revenue Code of 1986, as amended from time to time, including regulations issued thereunder and
successor provisions and regulations thereto. 
 2.05 Company. 
 “Company” means Engility Holdings, Inc. 

 2.06 Compensation. 
 “Compensation” includes, and is limited to, base salary, overtime, shift differential pay, and lead differential pay paid during the calendar year before elective payroll deduction contributions
to any employee benefit plan or program offered by the Company. Compensation does not include bonuses, commissions, or any other type of compensation not specifically included above. 
 2.07 Designated Affiliate. 
 “Designated Affiliate” means any
Affiliate that is designated by the Benefit Plan Committee to be eligible to participate in the portion of the Plan that is not subject to Code Section 423. 
 2.08 Designated Subsidiary Corporation. 
 “Designated Subsidiary
Corporation” means any Subsidiary Corporation that is designated by the Benefit Plan Committee to be eligible to participate in the portion of the Plan that is subject to Code Section 423. The Benefit Plan Committee may so designate
Subsidiary Corporations from time to time from among a group consisting of the Company’s Subsidiary Corporations. The group from among which such changes and designations are permitted without additional stockholder approval may include
corporations that become Subsidiary Corporations after the adoption and approval of the Plan. 
 Only the Company and its
Designated Subsidiary Corporations may participate in the portion of the Plan subject to Code Section 423. A Designated Subsidiary Corporation will cease to be a Designated Subsidiary Corporation on the earlier of (i) the date the Benefit
Plan Committee determines that such entity is no longer a Designated Subsidiary Corporation or (ii) when such Designated Subsidiary Corporation ceases for any reason to be a Subsidiary Corporation. 

2.09 Employee. 

“Employee” means any common law employee who is employed by the Company, a Designated Subsidiary Corporation or Designated
Affiliate. If an individual is not classified by the employer as a common law employee, no reclassification of a person’s status with the employer, for any reason, without regard to whether it is initiated by a court, governmental agency or
otherwise and without regard to whether or not the employer agrees to such reclassification, either retroactively or prospectively, shall result in the person being regarded as a common law employee during such time. Notwithstanding the foregoing,
employees who are citizens or residents of a foreign jurisdiction (without regard to whether they are also citizens of the United States or resident aliens) will not be treated as Employees of the Company or a Designated Subsidiary Corporation for
purposes of the Plan if either the grant of an option under the Plan to a citizen or resident of the foreign jurisdiction is prohibited under the laws of such jurisdiction or compliance with the laws of the foreign jurisdiction would cause the
portion of the Plan that is intended to be subject to Code Section 423 to violate the requirements of such Code Section. 

  
 2 

 2.10 Fair Market Value. 
 “Fair Market Value” means the fair market value of a share of Stock, which, as of any given date, shall be the average of the highest and lowest sales prices of a share of Stock reported on a
consolidated basis for securities listed on the New York Stock Exchange for trades on the date as of which such value is being determined or, if that day is not a Trading Day, then on the immediately preceding Trading Day. 

2.11 Grant Date. 

“Grant Date” means the first Trading Day during an Offering Period. 
 2.12 Offering Period. 
 “Offering Period” means, subject to
Section 4.01, the approximately six-month period beginning on the first Trading Day on or after January 1 and July 1 of a calendar year and ending on the last Trading Day in June and December, respectively, of such calendar year;
provided, however, that the initial Offering Period shall begin and end on such Trading Days as are designated by the Benefit Plan Committee. 

2.13 Plan. 

“Plan” means this Engility Holdings, Inc. 2012 Employee Stock Purchase Plan. 

2.14 Purchase Date. 

“Purchase Date” means the last Trading Day of each Offering Period. 
 2.15 Purchase Price. 
 “Purchase Price” means an amount equal to
95% of the Fair Market Value of a share of Stock on the Purchase Date, or such other percentage that equals or exceeds 85% of the Fair Market Value of a share of Stock on either the Grant Date or the Purchase Date, as may be designated by the
Compensation Committee from time to time prior to the commencement of the Offering Period to which it relates. 
 2.16 Recordkeeper.

 “Recordkeeper” means Fidelity Stock Plan Services, LLC together with its affiliates, or such other person or
persons as may be designated from time to time by the Benefit Plan Committee. 

  
 3 

 2.17 Reserves. 
 “Reserves” means the number of shares of Stock covered by all options under the Plan which have not yet been exercised and the number of shares of Stock which have been authorized for issuance
under the Plan but which have not yet become subject to options. 
 2.18 Stock. 

“Stock” means Company common stock and such other securities as may be substituted (or resubstituted) for Stock pursuant to
Section 10.06. 
 2.19 Subsidiary Corporation. 
 “Subsidiary Corporation” means any corporation or other entity (other than the Company) that satisfies the requirements of Section 424(f) of the Code and applicable regulations and other
guidance issued thereunder. 
 2.20 Trading Day. 
 “Trading Day” means a day on which the New York Stock Exchange is open for trading. 
 ARTICLE III. Eligibility and Participation 
 3.01 Initial Eligibility. 

Each Employee shall be eligible to participate in the Plan beginning on the later of the date he or she first becomes an Employee or the
first Trading Day of the initial Offering Period hereunder, except that with respect to employees who work for a Designated Affiliate, the Benefit Plan Committee may establish additional eligibility requirements for participation in the Plan in
accordance with Section 9.01. All Employees working for the Company or a Designated Subsidiary Corporation may participate in the Plan except as otherwise provided herein. 
 3.02 Participation. 
 An Employee who is eligible to participate in the Plan
may become a participant at any time by giving instructions to the Recordkeeper authorizing payroll deductions. Participant instructions shall be given in such manner and form as prescribed by the Recordkeeper. Payroll deductions for an Employee
shall begin as soon as administratively feasible after the instructions are received by the Recordkeeper. 
 3.03 Restrictions on
Participation. 
 Notwithstanding any provisions of the Plan to the contrary, no Employee shall be granted an option to
participate in the Plan to the extent that: 
 (a) immediately after the grant, such Employee would own stock, and/or hold
outstanding options to purchase stock, possessing 5% or more of the total combined voting power or value of all classes of stock of the Company (determined under the rules of Section 424(d) of the Code); or 

  
 4 

 (b) his or her rights to purchase stock under the portion of the Plan subject to Code
Section 423 would accrue at a rate which exceeds $25,000 in fair market value of the stock (determined at the time such option is granted) for each calendar year in which such option is outstanding. 

ARTICLE IV. Offerings 

4.01 Semi-Annual Offerings. 
 The Plan will be implemented by semi-annual offerings of Stock beginning on the first Trading Day on or after January 1 and July 1 of each calendar year and terminating on the last Trading Day
of June and December of such calendar year, respectively; provided, however, that the initial Offering Period shall begin and end on such Trading Days as are designated by the Benefit Plan Committee. Participants employed respectively by the
Company, each Designated Subsidiary Corporation and each Designated Affiliate shall be deemed to be participating in separate offerings of Stock under the Plan. The Benefit Plan Committee shall have the power to suspend future Offering Periods or to
change the beginning date, ending date, and duration of future Offering Periods applicable to any or all of the separate offerings of Stock under the Plan without stockholder approval if such change is announced at least five days prior to the
scheduled beginning of the first Offering Period to be affected thereafter, provided that Offering Periods will in all cases comply with applicable limitations under Section 423(b)(7) of the Code. 

ARTICLE V. Payroll Deductions 
 5.01 Amount of Deduction. 
 A participant may elect to have deductions made
for each payroll period during an Offering Period in an amount equal to any whole percentage of his or her Compensation received for the payroll period, subject to the limitations of Section 3.03, provided that the maximum amount of payroll
deductions may not exceed (i) a specified maximum percentage of his or her Compensation for each payroll period as may be designated from time to time by the Benefit Plan Committee (which shall initially be ten percent) and (ii) $25,000
for each year. The Benefit Plan Committee in its discretion, may increase and decrease the maximum percentage amount (and may decrease, but not increase, the maximum dollar amount) contemplated under the immediately preceding sentence without
formally amending the Plan; provided, however, that the maximum percentage amount shall be a uniform percentage of Compensation for all participants. 

  
 5 

 5.02 Participant’s Account. 

An individual Account shall be maintained by the Recordkeeper for each participant in the Plan. All payroll deductions made for a
participant shall be credited to his or her Account. A participant may not make any separate cash payment into such account except when on leave of absence and then only as provided in Section 7.03. No interest shall accrue or be paid on any
payroll deductions or any other amounts credited to a participant’s Account. 
 5.03 Changes in Payroll Deductions. 

(a) Each Offering Period, a participant may elect to make one increase and one decrease to the rate of his or her payroll deductions by
giving instructions to the Recordkeeper. An election to increase or decrease the payroll deduction rate shall be effective as soon as administratively feasible following the date such election is received by the Recordkeeper and shall remain in
effect until the participant provides new instructions to the Recordkeeper or terminates employment as provided in Section 7.02. 
 (b) Notwithstanding subsection (b) above, a participant may elect to withdraw from his or her participation in the Plan at any time. An election to withdraw from participation shall become effective
as soon as administratively feasible following the date such election is received by the Recordkeeper and shall remain in effect for successive Offering Periods until the participant provides new instructions to the Recordkeeper. A participant who
withdraws from participation during an Offering Period may not participate in the Plan until the next Offering Period. 

ARTICLE VI. Grant and Exercise of Option 
 6.01 Number of Option Shares. 
 On the first day of each Offering Period,
each Employee participating in such Offering Period shall be deemed to have been granted an option to purchase on the Purchase Date of such Offering Period, at the applicable Purchase Price, up to a number of shares (including whole and fractional
shares) of Stock determined by dividing such Employee’s payroll deductions credited to his or her Account as of the Purchase Date by the applicable Purchase Price; provided that such purchase shall be subject to the limitations set forth in
Sections 3.03 and 8.01. Exercise of the option shall occur as provided in Section 6.02, unless the participant has withdrawn the amount credited to his or her Account upon withdrawal from the Plan pursuant to Section 7.01 or such amount
has been distributed to the participant upon termination of employment pursuant to Section 7.02. To the extent not exercised, the option shall expire on the last day of the Offering Period. 

  
 6 

 6.02 Automatic Purchase. 
 A participant’s option for the purchase of shares shall be exercised automatically on the Purchase Date, and the maximum number of shares (including fractional shares) subject to the option shall be
purchased for such participant at the applicable Purchase Price with the accumulated payroll deductions credited to his or her Account. 

6.03 Transferability of Option. 
 During a participant’s lifetime, options held by such participant shall be exercisable only by that participant. 
 6.04 Delivery of Shares. 
 (a) At or as promptly as practicable after the
Purchase Date for an Offering Period, the Company shall deliver the shares of Stock purchased to the Recordkeeper to be deposited in the participants’ Accounts. 
 (b) Any cash dividends that are paid with respect to Stock credited to a participant’s Account shall deposited in the participant’s Account. 

(c) Each participant will be entitled to vote the number of shares of Stock credited to his or her Account (including any fractional
shares credited to such Account) on any matter as to which the approval of the Company’s stockholders is sought. If a participant does not vote or grant a valid proxy with respect to shares credited to his or her Account, such shares will be
voted by the Recordkeeper in accordance with any stock exchange or other rules governing the Recordkeeper in the voting of shares held for customer accounts. Similar procedures will apply in the case of any consent solicitation of the Company’s
stockholders. 
 6.05 Distribution of Shares. 
 (a) During the first two years from the last day of an Offering Period, a participant who acquires shares under the portion of the Plan subject to Code Section 423 may sell, but may not transfer or
withdraw, the shares of Stock acquired during such Offering Period and credited to his or her Account. During such two-year period, all sales of shares of Stock acquired during the Offering Period shall only be effectuated by the Recordkeeper on the
participant’s behalf. 
 (b) Except as set forth in Section 6.05(a), a participant may elect to withdraw from his or
her Account shares of Stock acquired during such Offering Period or may elect to transfer such shares from his or her Account to an account of the participant maintained with a broker-dealer or financial institution. If a participant elects to
withdraw shares, one or more certificates for whole shares shall be issued in the name of, and delivered to, the participant, with such participant receiving cash in lieu of fractional shares based on the Fair Market Value of a share of Stock on the
date of withdrawal. If shares of Stock are transferred from a participant’s Account to a broker-dealer or 

  
 7 

 
financial institution that maintains an account for the participant, only whole shares shall be transferred and cash in lieu of any fractional share shall be paid to such participant based on the
Fair Market Value of a share of Stock on the date of transfer. A participant seeking to withdraw or transfer shares of Stock must give instructions to the Recordkeeper in such form and manner as may be prescribed by the Recordkeeper, which
instructions will be acted upon as promptly as practicable. Withdrawals and transfers will be subject to any fees imposed in accordance with Section 9.05. 
 ARTICLE VII. Withdrawal from Plan and Termination of Employment 
 7.01 Withdrawal from
Plan Participation. 
 If a participant decreases his or her payroll deduction rate to zero during an Offering Period, he or
she shall be deemed to have withdrawn from participation in the Plan and shall have the right to elect, to receive reimbursement of all of the payroll deductions credited to the participant’s Account during the current Offering Period, provided
that the election is made no later than two weeks prior to the last day of such Offering Period. In the event that the participant does not give proper instructions to the Recordkeeper to request reimbursement in a timely manner, the participant
shall be deemed to have elected to exercise his or her option for the purchase of Stock on the next following Purchase Date. Payroll deductions shall not resume at the beginning of the succeeding Offering Period unless the participant provides to
the Recordkeeper new instructions authorizing payroll deductions. A participant who withdraws from participation in the Plan may withdraw the Stock credited to his or her Account only as provided in Section 6.05. 

7.02 Termination of Employment. 
 Upon a participant’s termination of employment with the Company, all Designated Subsidiary Corporations and all Designated Affiliates for any reason (including termination because of the
participant’s death), the payroll deductions credited to such participant’s Account during the Offering Period but not yet used to exercise the option shall be returned to such participant or, in the case of his or her death, to the person
or persons entitled thereto under Section 10.01, and such participant’s option shall be automatically terminated. The Recordkeeper shall continue to maintain the participant’s Account until the earlier of such time as the participant
withdraws or transfers all Stock in the Account, which withdrawal or transfer shall be permitted only as provided in Section 6.05, or two years after the participant ceases to be employed by the Company and its Designated Subsidiary
Corporations or Designated Affiliates. 
 7.03 Leave of Absence. 
 If a participant goes on an authorized leave of absence for any reason, such participant shall have the right to elect to: (a) withdraw all of the payroll deductions credited to the
participant’s Account, (b) discontinue contributions to the Plan but have the amount credited to his or her Account used to purchase Stock on the next Purchase Date, or (c) remain a participant in the Plan during such leave of
absence, authorizing 

  
 8 

 
deductions to be made from payments by the Company, or a Designated Subsidiary Corporation or Designated Affiliate as the case may be, to the participant during such leave of absence and making
cash payments to the Plan at the end of each payroll period to the extent that amounts payable by the Company or a Designated Subsidiary Corporation or Designated Affiliate as the case may be, to such participant are insufficient to meet such
participant’s authorized Plan deductions. Unless a participant on an authorized leave of absence returns to employment with the Company or a Designated Subsidiary Corporation or Designated Affiliate no later than the first anniversary of the
first day of his or her authorized leave of absence, such participant shall be deemed to have terminated employment and the provisions of Section 7.02 shall apply. 
 ARTICLE VIII. Stock 
 8.01 Maximum Shares. 

The maximum number of shares which may be issued under the Plan shall be 450,000 shares, and the maximum number of shares which may be
issued under the Plan during any Offering Period shall be 225,000, in each case subject to adjustment upon changes in capitalization of the Company as provided in Section 10.06. 
 8.02 Participant’s Interest in Option Stock. 
 The participant will
have no interest in stock covered by his or her option until such option has been exercised. 
 ARTICLE IX. Administration

 9.01 Authority of the Benefit Plan Committee. 
 The Plan shall be administered by the Benefit Plan Committee. Subject to the express provisions of the Plan, the Benefit Plan Committee shall have full and discretionary authority to interpret and
construe all provisions of the Plan, to adopt rules and regulations for administering the Plan, and to make all other determinations deemed necessary or advisable for administering the Plan. The Benefit Plan Committee’s determination on the
foregoing matters shall be final and conclusive. The Benefit Plan Committee may, in its discretion, delegate some or all of its authority to one or more employees or officers of the Company in which case any references in this Plan to the Benefit
Plan Committee shall also refer to such delegate. 
 The provisions of the portion of the Plan intended to be subject to Code
Section 423 shall be construed in a manner consistent with the requirements of that Code Section. The Benefit Plan Committee shall have the discretion to determine whether a Subsidiary Corporation shall be a Designated Subsidiary Corporation
participating in the portion of the Plan subject to Code Section 423 and whether an Affiliate shall be a Designated Affiliate participating in the portion of the Plan not subject to Code Section 423. Additionally, the Benefit Plan
Committee shall have discretion to adopt rules regarding 

  
 9 

 
Plan administration to conform to local laws or to enable eligible employees of the Company, Designated Subsidiary Corporations and Designated Affiliates to participate in the Plan. The Benefit
Plan Committee may also adopt rules, procedures or sub-plans applicable to particular Designated Affiliates, which sub-plans may be designed to be outside the scope of Code Section 423. Without limiting the generality of the foregoing, the
Benefit Plan Committee is specifically authorized to adopt rules and procedures regarding employee eligibility, the handling of payroll deductions or other contributions by participants, payment of interest, conversion of local currency, data
privacy security, payroll tax, withholding procedures and handling of stock certificates which vary according to local requirements as part of the portion of the Plan not subject to Code Section 423. The rules of any sub-plans designed to be
outside the scope of Code Section 423 may take precedence over other provisions of the Plan; provided, that unless otherwise superseded by the terms of such sub-plan, the provisions of this Plan shall govern the operation of such
sub-plan; provided further, that no such sub-plan may (i) supersede the provisions of Sections 3.03(a) and 8.01, (ii) provide participants with a discount (whether through a reduced purchase price or as a result of employer
matching contributions) of greater than 15% of the Fair Market Value of a share of Stock on the Grant Date or Purchase Date (as applicable) or (iii) provide for payroll deductions or other contributions by participants in excess of the maximum
dollar amount set forth in Section 5.01. The Benefit Plan Committee has the authority to suspend or limit participation in the portion of the Plan not subject to Code Section 423 (including any or all sub-plans thereunder) for any reason,
including administrative or economic reasons. The approval of the stockholders of the Company shall not be required prior to the adoption, amendment or termination of any sub-plan designed to be outside the scope of Code Section 423 unless
required by the laws of the foreign jurisdiction in which eligible employees participating in the sub-plan are located. 
 9.02 Rules
Governing the Administration of the Benefit Plan Committee. 
 The Benefit Plan Committee shall hold its meetings at such
times and places as it shall deem advisable and may hold telephonic meetings. A majority of its members shall constitute a quorum. All determinations of the Benefit Plan Committee shall be made by a majority of its members. The Benefit Plan
Committee may correct any defect or omission or reconcile any inconsistency in the Plan, in the manner and to the extent it shall deem desirable. Any decision or determination reduced to writing and signed by a majority of the members of the Benefit
Plan Committee shall be as fully effective as if it had been made by a majority vote at a meeting duly called and held. 
 9.03
Indemnification. 
 Members of the Benefit Plan Committee, and any officer or employee of the Company acting at the
direction, or on behalf, of the Benefit Plan Committee shall not be personally liable for any action or determination taken or made in good faith with respect to the Plan, and shall, to the extent permitted by law, be fully indemnified and protected
by the Company with respect to any such action or determination. 

  
 10 

 9.04 Recordkeeper. 
 The Recordkeeper will act as recordkeeper under the Plan, and will perform such duties as are set forth in the Plan and in any agreement between the Company and the Recordkeeper. The Recordkeeper will
establish and maintain for each Participant a brokerage account. 
 9.05 Administrative Costs. 

The costs and expenses incurred in the administration of the Plan and maintenance of Accounts will be paid by the Company, including, but
not limited to, annual fees of the Recordkeeper and any brokerage fees and commissions for the purchase of Stock under the Plan. The foregoing notwithstanding, the Recordkeeper may impose or pass through to the participants a reasonable fee for the
withdrawal of Stock in the form of stock certificates and reasonable fees for other services unrelated to the purchase of Stock under the Plan, to the extent approved in writing by the Company and communicated to participants. Under no circumstance
shall the Company pay any brokerage fees and commissions for the sale of Stock acquired under the Plan by a participant. 

ARTICLE X. Miscellaneous 

10.01 Designation of Beneficiary. 
 A participant may elect to designate a beneficiary who is to receive any shares and cash from the participant’s Account under the Plan in the event of such participant’s death by giving
instructions to the Recordkeeper. The participant may change his or her beneficiary designation at any time. In the event a participant dies without having elected a beneficiary, any shares or cash to be distributed on the participant’s death
shall be delivered to the participant’s estate. 
 10.02 Transferability. 

Neither payroll deductions credited to a participant’s Account nor any rights with regard to the exercise of an option or to receive
stock under the Plan may be assigned, transferred, pledged, or otherwise disposed of in any way by the participant other than by will or the laws of descent and distribution as provided in Section 10.01. Any such attempted assignment, transfer,
pledge or other disposition shall be without effect. 
 10.03 Withholding. 

The Company, any Designated Subsidiary Corporation or Designated Affiliate is authorized to withhold from any payment to be made to a
participant withholding amounts and other taxes due in connection with any transaction under the Plan, including any disposition of shares acquired under the Plan, and a participant’s enrollment in the Plan will be deemed to constitute his or
her consent to such withholding. At the time of a participant’s exercise of an option or disposition of shares acquired under the Plan, the 

  
 11 

 
Company may require the participant to make other arrangements to meet tax withholding obligations as a condition to exercise of rights or distribution of shares or cash from the
participant’s Account. In addition, a Participant may be required to advise the Company of sales and other dispositions of Stock acquired under the Plan in order to permit the Company to comply with tax laws and to claim any tax deductions to
which the Company may be entitled with respect to the Plan. 
 10.04 Use of Funds. 

All payroll deductions received or held by the Company under this Plan may be used by the Company for any corporate purpose, and the
Company shall not be obligated to segregate such payroll deductions. 
 10.05 Reports. 

Statements of Account shall be given to each participant at least annually, which statements shall set forth the amounts of payroll
deductions, the Purchase Price, the number of shares purchased, any remaining cash balance, and other information deemed relevant by the Benefit Plan Committee. 
 10.06 Adjustment Upon Changes in Capitalization. 
 (a) Changes in
Capitalization. The Benefit Plan Committee shall proportionately adjust the Reserves and the price per share and the number of shares of Stock covered by each option under the Plan which has not yet been exercised for any increase or decrease in the
number of issued shares of Stock resulting from a stock split, reverse stock split, stock dividend, combination or reclassification of the Stock, or other extraordinary corporate event which affects the Stock in order to prevent dilution or
enlargement of the rights of participants. The determination of the Benefit Plan Committee with respect to any such adjustment shall be final, binding and conclusive. 
 (b) Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Offering Period shall terminate immediately prior to the consummation of such proposed action,
unless otherwise provided by the Benefit Plan Committee. 
 (c) Asset Sale or Merger. In the event of a proposed sale of all or
substantially all of the assets of the Company and its subsidiaries taken as a whole, or the merger of the Company with or into another entity as a result of which the holders of all outstanding Stock immediately prior to such merger represent less
than 50% of the voting power of the surviving entity or its direct or indirect parent immediately after such merger, the Benefit Plan Committee shall shorten the Offering Period then in progress by setting a new Purchase Date (the “New Purchase
Date”). The New Purchase Date shall be before the date of the Company’s proposed asset sale or merger. The Benefit Plan Committee shall notify each participant in writing, at least ten business days prior to the New Purchase Date, that the
Purchase Date for the participant’s purchase has been changed to the New Purchase Date and that the participant’s option shall be exercised automatically 

  
 12 

 
on the New Purchase Date, unless prior to such date the participant has withdrawn the amount credited to his or her Account upon withdrawal from the Plan pursuant to Section 7.01 or such
amount has been distributed to the participant upon termination of employment pursuant to Section 7.02. 
 10.07 Amendment and
Termination. 
 The Board of Directors of the Company (the “Board of Directors”) shall have the complete
power and authority to terminate the Plan. Any amendment to the Plan to increase the maximum number of shares which may be issued under any Offering (except pursuant to Section 10.06), to expand the class of employees eligible to purchase stock
under the Plan (except for designations of Designated Subsidiary Corporations and Designated Affiliates pursuant to Sections 2.07, 2.08 and 9.01) or to change the granting corporation or the stock available for purchase under the Plan may be made
only by the Board of Directors with the approval of the stockholders of the Company within 12 months before or after the date such amendment is adopted by the Board. Any other amendment to the Plan may be made by either the Board of Directors or the
Compensation Committee thereof. No termination, modification, or amendment of the Plan may, without the consent of an employee then having an option under the Plan to purchase stock, materially adversely affect the rights of such employee under such
option. 
 10.08 No Employment. 
 The Plan does not, directly or indirectly, create any right for the benefit of any employee or class of employees to purchase any shares of Stock under the Plan, or create in any employee or class of
employees any right with respect to continuation of employment, and it shall not be deemed to interfere in any way with the right of the Company, any Designated Subsidiary Corporation or any Designated Affiliate to terminate, or otherwise modify, an
employee’s employment at any time. 
 10.09 Notices. 
 All notices or other communications by a participant to the Company or to the Recordkeeper shall be deemed to have been duly given when received in the manner and form specified by the Company or the
Recordkeeper, whichever is applicable, at the location, or by the person, designated by the Company, or Recordkeeper, for the receipt thereof. 

10.10 Elections. 
 All
elections and notices made by a participant to the Recordkeeper may be made telephonically or electronically in accordance with procedures established by the Benefit Plan Committee and the Recordkeeper. 

  
 13 

 10.11 Conditions Upon Issuance of Shares. 

The Company shall not be obligated to issue shares of Stock with respect to an option unless the exercise of such option and the issuance
and delivery of such shares pursuant thereto shall comply with all applicable provisions of law, domestic or foreign, including, without limitation, the Securities Act of 1933, as amended, the Securities Exchange Act of 1934, as amended, the rules
and regulations promulgated thereunder, and the requirements of any stock exchange or automated quotation system upon which the shares may then be listed or quoted. 
 10.12 Effect of Plan. 
 The provisions of the Plan shall, in accordance with
its terms, be binding upon, and inure to the benefit of, all successors of each participant, including, without limitation, such participant’s estate and the executors, administrators or trustees thereof, heirs and legatees, and any receiver,
trustee in bankruptcy or representative of creditors of such participant. 
 10.13 Effective Date. 

The Plan shall become effective as of July 6, 2012, having been approved by the Company’s Board and by the Company’s 100%
stockholder, L-3 Communications Corporation. 
 10.14 Governing Law. 

The law of the State of New York will govern all matters relating to this Plan except to the extent it is superseded by the laws of the
United States. 
 10.15 Section 409A 
 Notwithstanding other provisions of the Plan, no option shall be granted, deferred, accelerated, exercised, extended, paid out or modified under this Plan, and the Benefit Plan Committee shall not
establish or modify any Offering Period or Purchase Date, in a manner that would result in the imposition of an additional tax under Section 409A of the Code upon a participant. In the event that it is reasonably determined by the Benefit Plan
Committee that, as a result of Section 409A of the Code, any option under the Plan may not be exercised at the time contemplated by the terms of the Plan or the relevant Offering Period, as the case may be, without causing the participant
holding such option to be subject to taxation under Section 409A of the Code, the Company will cause such option to be exercised on the first day that would not result in the participant incurring any tax liability under Section 409A of
the Code. If pursuant to the provisions of Section 409A of the Code any distribution or payment is required to be delayed as a result of a participant being deemed to be a “specified employee” within the meaning of that term under
Section 409A(a)(2)(B) of the Code, then any such distributions or payments under the Plan shall not be made or provided prior to the earlier of (A) the expiration of the six month period measured from the date of the participant’s
separation from service (as 

  
 14 

 
defined under Section 409A of the Code) or (B) the date of the participant’s death. The Company shall use commercially reasonable efforts to implement the provisions of this
Section 6.05 in good faith; provided that neither the Company, the Benefit Plan Committee nor any of the Company’s employees, directors or representatives shall have any liability to participants with respect to this
Section 6.05. 
  

					
		 	ENGILITY HOLDINGS, INC.
			
	Date: July 17, 2012	 	By:	 	 /s/ Thomas O. Miiller

		 		 	Name: Thomas O. Miiller
		 		 	Title: Senior Vice President, General Counsel and Corporate Secretary

  
 15

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