Document:

Certificate of Amendment of the Restated Certificate of Incorporation

 Exhibit 4.2 
 CERTIFICATE OF AMENDMENT 
 OF THE 

RESTATED CERTIFICATE OF INCORPORATION 
 OF 
 ENGILITY HOLDINGS, INC. 

July 16, 2012 
 Engility Holdings, Inc. (the “Corporation”) does hereby certify that: 
 FIRST: Article FOURTH of the Restated Certificate of Incorporation of the Corporation is hereby amended to add the following clause at the end thereof: 

“D. Recapitalization. Upon the effectiveness of the Certificate of Amendment of the
Restated Certificate of Incorporation containing this sentence, each share of Common Stock issued and outstanding immediately before such effectiveness shall be reclassified, subdivided and changed into 161,061  34/300 shares of Common Stock.” 
 SECOND: The foregoing
amendment to the Restated Certificate of Incorporation of the Corporation was duly adopted in accordance with Sections 242 and 228 of the Delaware General Corporation Law. 
 [Remainder of page intentionally left blank] 

 IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to be
signed by its duly authorized officer on the date first above written. 
  

			
	 ENGILITY HOLDINGS, INC.

		
	By:	 	/s/ Thomas O. Miiller
		 	 Name: Thomas O. Miiller

Title:   Senior Vice President, General

Counsel and SecretaryEngility Holdings, Inc. 2012 Long Term Performance Plan

 Exhibit 4.4 
 ENGILITY HOLDINGS, INC. 
 2012 LONG TERM PERFORMANCE PLAN 

TABLE OF CONTENTS 
  

							
	 	 	 	  	PAGE	 
			
	 SECTION 1.
	 	 Purpose.
	  	 	1	  
			
	 SECTION 2.
	 	 Definitions; Rules of Construction.
	  	 	1	  
			
	 SECTION 3.
	 	 Eligibility.
	  	 	3	  
			
	 SECTION 4.
	 	 Awards.
	  	 	3	  
			
	 SECTION 5.
	 	 Shares of Stock and Share Units Available Under Plan.
	  	 	6	  
			
	 SECTION 6.
	 	 Award Agreements.
	  	 	8	  
			
	 SECTION 7.
	 	 Adjustments; Change in Control; Acquisitions.
	  	 	10	  
			
	 SECTION 8.
	 	 Administration.
	  	 	12	  
			
	 SECTION 9.
	 	 Amendment and Termination of this Plan.
	  	 	14	  
			
	 SECTION 10.
	 	 Miscellaneous.
	  	 	14	  

 ENGILITY HOLDINGS, INC. 

2012 LONG TERM PERFORMANCE PLAN 

SECTION 1. Purpose. 
 The
purpose of this Plan is to benefit the Corporation’s stockholders by encouraging high levels of performance by individuals who contribute to the success of the Corporation and its Subsidiaries and to enable the Corporation and its Subsidiaries
to attract, motivate, retain and reward talented and experienced individuals. This purpose is to be accomplished by providing eligible individuals with an opportunity to obtain or increase a proprietary interest in the Corporation and/or by
providing eligible individuals with additional incentives to join or remain with the Corporation and its Subsidiaries. 
 SECTION 2.
Definitions; Rules of Construction. 
 (a) Defined Terms. The terms defined in this Section shall have the following meanings for
purposes of this Plan: 
 “Award” means an award granted pursuant to Section 4. 

“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. 
 “Beneficiary” means a person or persons (including a trust or trusts) validly designated by a Participant or, in the absence of a valid designation, entitled by will or the laws of descent and
distribution, to receive the benefits specified in the Award Agreement and under this Plan in the event of a Participant’s death. 
 “Board of Directors” or “Board” means the Board of Directors of the Corporation. 
 “Change in Control” means change in control as defined in Section 7(c). 
 “Code” means the Internal Revenue Code of 1986, as amended from time to time. 
 “Committee” means the Committee described in Section 8(a). 
 “Corporation” means Engility Holdings, Inc. 

“Employee” means any person, including an officer (whether or not also a director) in the regular full-time
employment of the Corporation or any of its Subsidiaries who, in the opinion of the Committee is, or is expected to be, primarily responsible for the management, growth or protection of some part or all of the business of the Corporation or any of
its Subsidiaries, but excludes, in the case of an Incentive Stock Option, an Employee of any Subsidiary that is not a “subsidiary corporation” of the Corporation as defined in Code Section 424(f). 

 “Exchange Act” means the Securities Exchange Act of 1934, as
amended from time to time. 
 “Executive Officer” means executive officer as defined in Rule 3b-7 under
the Exchange Act. If the Board has designated the executive officers of the Corporation for purposes of reporting under the Exchange Act, the designation shall be conclusive for purposes of this Plan. 

“Fair Market Value” means the closing price of the relevant security as reported on the composite tape of New
York Stock Exchange issues (or if, at the date of determination, the security 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 security 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. 
 “First Quarter”
shall mean the period of calendar days during a given Performance Period that is equal to the lesser of (i) 25% of the full number of calendar days falling within such Performance Period or (ii) 90 days. 

“Insider” means any person who is subject to Section 16(b) of the Exchange Act. 

“Minimum Ownership Stock” means any Award of shares of Stock of the Corporation that are issued, in accordance
with Section 4(a)(5), in lieu of cash compensation in order to satisfy applicable stock ownership guidelines from time to time in effect. 
 “Option” means a Nonqualified Stock Option or an Incentive Stock Option as described in Section 4(a)(1) or (2). 

“Participant” means a person who is granted an Award, pursuant to this Plan, that remains outstanding.

 “Performance-Based Awards” is defined in Section 4(b). 

“Performance Goals” means one or more of the following criteria or any combination thereof, as determined by the
Committee: (i) consolidated income before or after taxes (including income before interest, taxes, depreciation and amortization); (ii) EBIT or EBITDA; (iii) operating income or operating margin; (iv) net income; (v) net
income or earnings per share of Stock; (vi) book value per share of Stock; (vii) return on equity; (viii) expense management (including without limitation, total general and administrative expense percentages); (ix) return on
investment or on invested capital; (x) improvements in capital structure; (xi) profitability of an identifiable business unit or product; (xv) maintenance or improvement of profit margins; (xii) stock price; (xiii) market
share; (xiv) revenue or sales (including, without limitation, net loans charged off and average finance receivables); (xv) costs (including, without limitation, total general and administrative expense percentage); (xvi) cash flow or
net funds provided; (xvii)

  
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working capital; (xviii) total debt (including, without limitation, total debt as a multiple of EBIT or EBITDA), (xix) orders and (xx) total stockholder return. The foregoing
criteria may relate to the Corporation, one or more of its Subsidiaries, one or more of their respective divisions or business units, or any combination of the foregoing, and may be applied on an absolute basis and/or be relative to one or more peer
group companies or indices, or any combination thereof, all as the Committee shall determine. 

“Performance Period” means, with respect to any Performance Goal, the time period established by the Committee
for the achievement of the performance targets in respect thereof. 
 “Rule 16b-3” means Rule 16b-3
under Section 16 of the Exchange Act, as amended from time to time. 
 “Share Units” means the
number of units under an Award (or portion thereof) that is payable solely in cash or is actually paid in cash, determined by reference to the number of shares of Stock by which the Award (or portion thereof) is measured. 

“Stock” means shares of Common Stock of the Corporation, par value $0.01 per share, subject to adjustments made
under Section 7 or by operation of law. 
 “Subsidiary” means, as to any person, any corporation,
association, partnership, joint venture or other business entity of which 50% or more of the voting stock or other equity interests (in the case of entities other than corporations), is owned or controlled (directly or indirectly) by that entity, or
by one or more of the Subsidiaries of that entity, or by a combination thereof. 
 (b) Rules of Construction. For purposes of
this Plan and the Award Agreements, unless otherwise expressly provided or the context otherwise requires, the terms defined in this Plan include the plural and the singular, and pronouns of either gender or neuter shall include, as appropriate, the
other pronoun forms. 
 SECTION 3. Eligibility. 
 Any one or more Awards may be granted to any Employee, or any non-Employee who provides services to or on behalf of the Corporation or any of its Subsidiaries, who is designated by the Committee to
receive an Award. 
 SECTION 4. Awards. 
 (a) Type of Awards. The Committee may from time to time grant any of the following types of Awards, either singly, in tandem or in combination with other Awards: 

(1) Nonqualified Stock Options. A Nonqualified Stock Option is an Award in the form of an option to purchase Stock that is
not intended to comply with the requirements of Code Section 422. The exercise price of each Nonqualified Stock Option granted under this Plan shall not be less than the Fair Market Value of the Stock on the date that the Option is granted.

  
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 (2) Incentive Stock Options. An Incentive Stock Option is an Award in the
form of an option to purchase Stock that is intended to comply with the requirements of Code Section 422 or any successor section thereof. The exercise price of each Incentive Stock Option granted under this Plan shall not be less than the Fair
Market Value of the Stock on the date the Option is granted. If a Participant on the date an Incentive Stock Option is granted owns, directly or indirectly within the meaning of Code Section 424(d), stock possessing more than ten percent
(10%) of the total combined voting power of all classes of stock of the Corporation, the exercise price per share of the Incentive Stock Option shall not be less than one hundred and ten percent (110%) of the Fair Market Value per share of
the Stock at the time of grant, and such Incentive Stock Option shall not be exercisable after the expiration of five (5) years from the date such Incentive Stock Option is granted. To the extent that the aggregate Fair Market Value of Stock
with respect to which one or more incentive stock options first become exercisable by a Participant in any calendar year exceeds $100,000, taking into account both Stock subject to Incentive Stock Options under this Plan and stock subject to
incentive stock options under all other plans of the Corporation or of other entities referenced in Code Section 422(d)(1), the options shall be treated as Nonqualified Stock Options. For this purpose, the Fair Market Value of the Stock subject
to options shall be determined as of the date the Options were granted. 
 (3) Stock Appreciation Rights. A Stock
Appreciation Right is an Award in the form of a right to receive, upon surrender of the right, but without other payment, an amount based on the appreciation in the value of the Stock or the Option over a base price established in the Award, payable
in cash, Stock or such other form or combination of forms of payout, at times and upon conditions (which may include a Change in Control), as may be approved by the Committee. The minimum base price of a Stock Appreciation Right granted under this
Plan shall not be less than the Fair Market Value of the underlying Stock on the date the Stock Appreciation Right is granted. 
 (4) Restricted Stock. Restricted Stock is an Award of issued shares of Stock of the Corporation (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. 
 (5) Other Share-Based Awards. The
Committee may from time to time grant Awards under this Plan that provide the Participants with 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 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) Special Performance-Based Awards. Without limiting the generality of the foregoing, any of the type of Awards listed in
Section 4(a) may be granted as awards that satisfy the requirements for “performance-based compensation” within the meaning of Code Section 

  
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162(m) (“Performance-Based Awards”), the grant, vesting, exercisability or payment of which may depend on the degree of achievement of the Performance Goals relative to preestablished
targeted levels for the Corporation or any of its Subsidiaries, divisions or other business units. Performance-Based Awards shall be subject to the requirements of clauses (1) through (7) below, except that notwithstanding anything
contained in this Section 4(b) to the contrary, any Option or Stock Appreciation Right intended to qualify as a Performance-Based Award shall not be subject to the requirements of clauses (2), (4), (5) and (6) below (with such Awards
hereinafter referred to as a “Qualifying Option” or a “Qualifying Stock Appreciation Right”, respectively). An Award that is intended to satisfy the requirements of this Section 4(b) shall be designated as a
Performance-Based Award at the time of grant. 
 (1) Eligible Class. The eligible class of persons for Awards
under this Section 4(b) shall be all Employees. 
 (2) Performance Goals. The performance goals for any
Awards under this Section 4(b) (other than Qualifying Options and Qualifying Stock Appreciation Rights) shall be, on an absolute or relative basis, one or more of the Performance Goals. The Committee shall establish the Performance Goals and
the Performance Periods for which they must be satisfied in order for a Participant to receive any portion of the Award. The specific performance target(s) with respect to Performance Goal(s) must be established by the Committee no later than the
last day of the First Quarter of a given Performance Period (or such other date as may be required or permitted under Section 162(m) of the Code) and while the performance relating to the Performance Goal(s) remains substantially uncertain. The
Committee may establish different performance objectives for each Performance Period, and may provide for multiple, overlapping Performance Periods hereunder. The Committee may provide, at the time when performance objectives are established with
respect to a Performance Period (or at such later date as may be permitted under Section 162(m) of the Code), for the adjustment of such performance objectives as it deems equitable in recognition of unusual or non-recurring events affecting
the Corporation, changes in applicable tax laws or accounting principles, or such other factors as the Committee may determine to be appropriate, including, without limitation, the gain or loss on disposal of a business segment. 

(3) Individual Limits. The maximum number of shares of Stock or Share Units that are issuable under Options, Stock
Appreciation Rights, Restricted Stock or other Awards (described under Section 4(a)(5)) that are granted as Performance-Based Awards to any Participant shall not exceed five percent of the total shares outstanding of the Corporation during the
life of the Plan, either individually or in the aggregate, subject to adjustment as provided in Section 7. The maximum number of shares of Stock subject to all Qualifying Options and Qualifying Stock Appreciation Rights granted during a
calendar year to any Employee shall be 700,000, and the maximum number of shares of Stock subject to any other Performance-Based Awards granted during a calendar year to an Employee shall be 700,000, in each case subject to adjustment as provided in
Section 7. Awards that are cancelled during the year shall be counted against these limits to the extent required by Code Section 162(m). 

  
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 (4) Committee Certification. Before any Performance-Based Award under this
Section 4(b) (other than Qualifying Options and Qualifying Stock Appreciation Rights) is paid, the Committee must certify in writing (by resolution or otherwise) that the applicable Performance Goal(s) and any other material terms of the
Performance-Based Award were satisfied; provided, however, that a Performance-Based Award may be paid without regard to the satisfaction of the applicable Performance Goal in the event of the Participant’s death or permanent disability or in
the event of a Change in Control as provided in Section 7(b). 
 (5) Terms and Conditions of Awards.
Committee Discretion to Reduce Performance Awards. The Committee shall have discretion to determine the conditions, restrictions or other limitations, in accordance with the terms of this Plan and Code Section 162(m), on the payment of
individual Performance-Based Awards under this Section 4(b). To the extent set forth in an Award Agreement, the Committee may reserve the right to reduce the amount payable in accordance with any standards or on any other basis (including the
Committee’s discretion), as the Committee may impose. 
 (6) Adjustments for Material Changes. To the extent
set forth in an Award Agreement, in the event of (i) a change in corporate capitalization, a corporate transaction or a complete or partial corporate liquidation, or (ii) any extraordinary gain or loss or other event that is treated for
accounting purposes as an extraordinary item under generally accepted accounting principles, or (iii) any material change in accounting policies or practices affecting the Corporation and/or the Performance Goals or targets, the Committee shall
make adjustments to the Performance Goals and/or targets, applied as of the date of the event, and based solely on objective criteria, so as to neutralize, in the Committee’s judgment, the effect of the event on the applicable Performance-Based
Award. 
 (7) Interpretation. Except as specifically provided in this Section 4(b), the provisions of this
Section 4(b) shall be interpreted and administered by the Committee in a manner consistent with the requirements for exemption of Performance-Based Awards granted to Executive Officers as “performance-based compensation” under Code
Section 162(m) and regulations and other interpretations issued by the Internal Revenue Service thereunder. 
 SECTION 5. Shares of Stock
and Share Units Available Under Plan. 
 (a) Aggregate Limits on Shares and Share Units. (i) The maximum number of shares of
Stock that may be issued pursuant to all Awards under the Plan is 2,800,000, and (ii) the maximum number of such shares of Stock that may be issued pursuant to all Awards of Incentive Stock Options is 2,800,000, in each case subject to
adjustment as provided in this Section 5 or Section 7. 
 (b) Reissue of Shares and Share Units. 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, shall
again be available for Awards under Section 5(a), 

  
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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. To the extent an Award is settled in cash in lieu of issuing shares of Stock subject thereto, such shares shall be deemed to constitute Share Units (and not shares of Stock issued pursuant to an Award) for
purposes of the limits set forth in Section 5(a). For the avoidance of doubt, the following shares of 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 or other Awards granted under the Plan; (2) shares of Stock reserved for issuance upon the grant of Stock Appreciation Rights, to the extent the number of reserved shares exceeds the number of shares
actually issued upon exercise of the Stock Appreciation Rights; and (3) shares withheld by, or otherwise remitted to, the Corporation to satisfy a Participant’s tax withholding obligations upon the lapse of restrictions on Restricted Stock
or the exercise of Options or Stock Appreciation Rights or upon any other payment or issuance of shares under any other Award granted under the Plan. 
 (c) Interpretive Issues. Additional rules for determining the number of shares of Stock or Share Units authorized under this Plan may be adopted by the Committee, as it deems necessary or appropriate.

 (d) Treasury Shares; No Fractional Shares. The Stock which may be issued (which term includes Stock reissued or otherwise
delivered) pursuant to an Award under this Plan may be treasury or authorized but unissued Stock or Stock acquired, subsequently or in anticipation of a transaction under this Plan, in the open market or in privately negotiated transactions to
satisfy the requirements of this Plan. No fractional shares shall be issued but fractional interests may be accumulated. 
 (e)
Consideration. The Stock issued under this Plan may be issued (subject to Section 10(d)) for any lawful form of consideration, the value of which equals the par value of the Stock or such greater or lesser value as the Committee, consistent
with Sections 10(d) and 4(a)(1), (2) and (3), may require. 
 (f) Purchase or Exercise Price; Withholding. The exercise or
purchase price (if any) of the Stock issuable pursuant to any Award and any withholding obligation under applicable tax laws shall be paid at or prior to the time of the delivery of such 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 Stock, or (iii) a reduction in the amount of 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 Stock to be so delivered or offset shall be determined by reference to the Fair Market Value of the
Stock on the date as of which the payment or offset is made. 
 (g) Cashless Exercise. The Committee may also permit the
exercise of the Award and payment of any applicable withholding tax in respect of an Award by delivery of written notice, subject to the Corporation’s receipt of a third party payment in full in cash (or in such other form as permitted under
Section 5(f)) for the exercise price and the applicable withholding at or prior to the time of issuance of Stock, in the manner and subject to the procedures as may be established by the Committee. 

  
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 SECTION 6. Award Agreements. 
 Each Award under this Plan shall be evidenced by an Award Agreement in a form approved by the Committee setting forth the number of shares of Stock or Share Units, as applicable, subject to the Award, and
the price (if any) and term of the Award and, in the case of Performance-Based Awards, the applicable Performance Goals, if any. The Award Agreement shall also set forth (or incorporate by reference) other material terms and conditions applicable to
the Award as determined by the Committee consistent with the limitations of this Plan. 
 (a) Incorporated Provisions. Award
Agreements shall be subject to the terms of this Plan and shall be deemed to include the following terms: 
 (1)
Transferability: Unless otherwise designated by the Committee, an Award shall not be assignable nor transferable, except by will or by the laws of descent and distribution, and during the lifetime of a Participant the Award shall be exercised only
by such Participant or by his or her guardian or legal representative. An Award exercisable after the death of a Participant may be exercised by the legatees, personal representatives or distributees of the Participant. The designation of a
Beneficiary hereunder shall not constitute a transfer prohibited by the foregoing provisions. 
 (2) Rights as
Stockholder: A Participant shall have no rights as a holder of 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 7,
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. 

(3) Withholding: The Participant shall be responsible for payment of any taxes or similar charges required by law to be
withheld from an Award or an amount paid in satisfaction of an Award and these obligations shall be paid by the Participant on or prior to the payment of the Award. In the case of an Award payable in cash, the withholding obligation shall be
satisfied by withholding the applicable amount and paying the net amount in cash to the Participant. In the case of an Award paid in shares of Stock, a Participant shall satisfy the withholding obligation as provided in Section 5(f) or
Section 5(g). 
 (4) Option Holding Period: Subject to the authority of the Committee under Section 7,
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 Stock, and the
Corporation may impose legend and other restrictions on the 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 as provided in Section 7(b). 

  
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 (5) Maximum Term of Awards. No Award that contemplates exercise or
conversion may be exercised or converted to any extent, and no other Award that defers vesting, shall remain outstanding and unexercised, unconverted or unvested more than ten years after the date the Award was initially granted. 

(b) Other Provisions. Award Agreements may include other terms and conditions as the Committee shall approve, including but not limited
to the following: 
 (1) Termination of Employment: A provision describing the treatment of an Award in the event
of the retirement, disability, death or other termination of a Participant’s employment with or services to the Corporation, including any provisions relating to the vesting, exercisability, forfeiture or cancellation of the Award in these
circumstances, subject, in the case of Performance-Based Awards, to the requirements for “performance-based compensation” under Code Section 162(m). 

(2) Vesting; Effect of Termination; Change in Control: Any other terms consistent with the terms of this Plan as are
necessary and appropriate to effect the Award to the Participant, including but not limited to the vesting provisions, any requirements for continued employment, any other restrictions or conditions (including performance requirements) of the Award,
and the method by which (consistent with Section 7) the restrictions or conditions lapse, and the effect on the Award of a Change in Control. Unless otherwise provided by the Committee in the applicable Award Agreement, (1) the minimum
vesting period for Awards of Restricted Stock shall be three years from the date of grant (or one year in the case of Restricted Stock Awards that are Performance-Based Awards) and (2) the vesting period of an Award of Restricted Stock may not
be accelerated to a date that is within such minimum vesting period except in the event of the Participant’s death, permanent disability or retirement or in the event of a Change in Control. 

(3) Replacement and Substitution: Any provisions permitting or requiring the surrender of outstanding Awards or securities
held by the Participant in whole or in part in order to exercise or realize rights under or as a condition precedent to other Awards, or in exchange for the grant of new or amended Awards under similar or different terms; provided, that except in
connection with an adjustment contemplated by Section 7, no such provisions of an Award Agreement shall permit a “Repricing” as defined in Section 8(d). 

(4) Dividends: Any provisions providing for the payment of dividend equivalents on unissued shares of Stock or unpaid
Share Units underlying an Award, on either a current or deferred or contingent basis, and either in cash or in additional shares of Stock; provided that dividend equivalents may not be paid with respect to Awards of Options or Stock Appreciation
Rights. 
 (c) Contract Rights, Forms and Signatures. Any obligation of the Corporation to any Participant with respect to an
Award shall be based solely upon contractual obligations created by this Plan and an Award Agreement. No Award shall be enforceable until the Award Agreement has been signed on behalf of the Corporation by an Executive Officer (other than the

  
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recipient) or his or her delegate. By accepting receipt of the Award Agreement, a Participant shall be deemed to have accepted and consented to the terms of this Plan and any action taken in good
faith under this Plan by and within the discretion of the Committee, the Board of Directors or their delegates. Unless the Award Agreement otherwise expressly provides, there shall be no third party beneficiaries of the obligations of the
Corporation to the Participant under the Award Agreement. 
 SECTION 7. Adjustments; Change in Control; Acquisitions. 

(a) 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 Stock (whether in the form of cash, Stock or other property), or any split-up, spin-off,
extraordinary redemption, or exchange of outstanding Stock, or there shall occur any other similar corporate transaction or event in respect of the 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 Stock:

 (1) proportionately adjust any or all of: 

(A) the number and type of shares of Stock and Share Units which thereafter may be made the subject of Awards (including
the specific maxima and numbers of shares of Stock or Share Units set forth elsewhere in this Plan), 
 (B) the
number and type of shares of Stock, other property, Share Units or cash subject to any or all outstanding Awards, 
 (C) the grant, purchase or exercise price, or conversion ratio of any or all outstanding Awards, or of the Stock, other property or Share Units underlying the Awards, 

(D) the securities, cash or other property deliverable upon exercise or conversion of any or all outstanding Awards,

 (E) subject to Section 4(b), the performance targets or standards appropriate to any outstanding
Performance-Based Awards, or 
 (F) any other terms as are affected by the event; and/or 

(2) provide for: 
 (A) an appropriate and proportionate cash settlement or distribution, or 
 (B) 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. 

  
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 The Committee shall act prior to an event described in this paragraph (a) (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 Stock in the case of an
event described in paragraph (a). 
 (b) Change in Control. The Committee may, in the Award Agreement, provide for the effect of
a Change in Control 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). 

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 7(b) or any
provision in an Award Agreement to the contrary, if any Award to any Insider 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 Stock (other than a sale by operation
or law in exchange for or through conversion into other securities), and the Corporation may impose legend and other restrictions on the Stock to enforce this prohibition. 
 (c) Change in Control Definition. For purposes of this Plan, with respect to any Award other than an Award issued pursuant to an Award Agreement that separately defines the term “change in
control,” a change in control shall include and be deemed to occur upon the following events: 
 (1) The
acquisition by any person or group (including a group within the meaning of Section 13(d)(3) or 14(d)(2) of the Exchange Act), other than the Corporation or any of its Subsidiaries, of beneficial ownership (within the meaning of Rule 13d-3
under the Exchange Act) of a majority of the combined voting power of the Corporation’s then outstanding voting securities, other than by any employee benefit plan maintained by the Corporation; 

  
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 (2) The sale of all or substantially all of the assets of the Corporation or
of Engility Corporation or any successor thereto; 
 (3) The election, including the filling of vacancies, during
any period of 24 months or less, of 50 percent or more, of the members of the Board, without the approval of Continuing Directors, as constituted at the beginning of such period. “Continuing Directors” shall mean any director of the
Corporation who either (i) is a member of the Board on July 18, 2012, or (ii) is nominated for election to the Board by a majority of the Board which is comprised of Directors who were, at the time of such nomination, Continuing
Directors; or 
 (4) In the Committee’s sole discretion on a case-by-case basis and solely with respect to
Awards granted to Employees of a Subsidiary of the Corporation, or of a business unit or division of the Corporation or such Subsidiary, (i) the sale of all or substantially all of the assets of such Subsidiary, business unit or division or
(ii) the sale (including without limitation by way of merger) of a majority of the combined voting power of such Subsidiary’s then outstanding voting securities. 
 (d) Business Acquisitions. Awards may be granted under this Plan on the terms and conditions as the Committee considers appropriate, which may differ from those otherwise required by this Plan to the
extent necessary to reflect a substitution for or assumption of stock incentive awards held by employees of other entities who become employees of the Corporation or a Subsidiary as the result of a merger of the employing entity with, or the
acquisition of the property or stock of the employing entity by, the Corporation or a Subsidiary, directly or indirectly. Without limiting the foregoing, the Corporation has assumed under the Plan (and will issue Stock under the Plan in respect of)
certain equity-based Awards originally granted by L-3 Communications Holdings, Inc. to certain current and former employees of the Corporation in connection with the tax-free spin-off transaction on July 17, 2012 that resulted in the
Corporation becoming an independent, publicly-traded company. 
 SECTION 8. Administration. 

(a) Committee Authority and Structure. This Plan and all Awards granted under this Plan shall be administered by the Compensation
Committee of the Board or such other committee of the Board or subcommittee of the Compensation Committee as may be designated by the Board and constituted so as to permit this Plan to comply with the disinterested administration requirements of
Rule 16b-3 under the Exchange Act and the “outside director” requirement of Code Section 162(m). The members of the Committee shall be designated by the Board. A majority of the members of the Committee (but not fewer than two) shall
constitute a quorum. The vote of a majority of a quorum or the unanimous written consent of the Committee shall constitute action by the Committee. 
 (b) Selection and Grant. The Committee shall have the authority to determine the individuals (if any) to whom Awards will be granted under this Plan, the type of Award or Awards to be made, and the
nature, amount, pricing, timing, and other terms of Awards to be made to any one or more of these individuals, subject to the terms of this Plan. 

  
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 (c) Construction and Interpretation. The Committee shall have the power to interpret and
administer this Plan and Award Agreements, and to adopt, amend and rescind related rules and procedures. All questions of interpretation and determinations with respect to this Plan, the number of shares of Stock, Stock Appreciation Rights, or units
or other Awards granted, and the terms of any Award Agreements, the adjustments required or permitted by Section 7, and other determinations hereunder shall be made by the Committee and its determination shall be final and conclusive upon all
parties in interest. In the event of any conflict between an Award Agreement and any non-discretionary provisions of this Plan, the terms of this Plan shall govern. 
 (d) Express Authority to Change Terms of Awards. The Committee may, at any time, alter or amend any or all Award Agreements under this Plan in any manner that would be authorized for a new Award under
this Plan, including but not limited to any manner set forth in Section 9 (subject to any applicable limitations thereunder), except that no amendment or cancellation of an Award may effect a Repricing of such Award, except in connection with
an adjustment pursuant to Section 7. 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 Stock in
exchange for other Awards, cash or property. Without limiting the Committee’s authority under this plan (including Sections 7 and 9), but subject to any express limitations of this Plan (including the prohibitions on Repricing set forth in this
Section 8(d)), the Committee shall have the authority to accelerate the exercisability or vesting of an Award, to extend the term or waive early termination provisions of an Award (subject to the maximum ten-year term under
Section 6(a)(5)), and to waive the Corporation’s rights with respect to an Award or restrictive conditions of an Award (including forfeiture conditions), in any case in such circumstances as the Committee deems appropriate. 

(e) Rule 16b-3 Conditions; Bifurcation of Plan. It is the intent of the Corporation that this Plan and Awards hereunder satisfy and be
interpreted in a manner, that, in the case of Participants who are or may be Insiders, satisfies any applicable requirements of Rule 16b-3, so that these persons will be entitled to the benefits of Rule 16b-3 or other exemptive rules under
Section 16 under the Exchange Act and will not be subjected to avoidable liability thereunder as to Awards intended to be entitled to the benefits of Rule 16b-3. If any provision of this Plan or of any Award would otherwise frustrate or
conflict with the intent expressed in this Section 8(e), that provision to the extent possible shall be interpreted and deemed amended so as to avoid such conflict. To the extent of any remaining irreconcilable conflict with this intent, the
provision shall be deemed disregarded as to Awards intended as Rule 16b-3 exempt Awards. Notwithstanding anything to the contrary in this Plan, the provisions of this Plan may at any time be bifurcated by the Board or the Committee in any manner so
that certain provisions of this Plan or any Award Agreement intended (or required in order) to satisfy the applicable requirements of Rule 16b-3 are only applicable to Insiders and to those Awards to Insiders intended to satisfy the requirements of
Rule 16b-3. 
 (f) Delegation and Reliance. The Committee may delegate to the officers or employees of the Corporation the
authority to execute and deliver those instruments and documents, to do all acts and things, and to take all other steps deemed necessary, advisable or 

  
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convenient for the effective administration of this Plan in accordance with its terms and purpose, except that the Committee may not delegate any discretionary authority to grant or amend an
award or with respect to substantive decisions or functions regarding this Plan or Awards as these relate to the material terms of Performance-Based Awards to Executive Officers or to the timing, eligibility, pricing, amount or other material terms
of Awards to Insiders. In making any determination or in taking or not taking any action under this Plan, the Board and the Committee may obtain and may rely upon the advice of experts, including professional advisors to the Corporation. No
director, officer, employee or agent of the Corporation shall be liable for any such action or determination taken or made or omitted in good faith. 
 (g) Exculpation and Indemnity. 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
satisfy Code requirements as to incentive stock options or to realize other 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. 
 SECTION 9. Amendment and Termination of this Plan. 
 The Board of Directors may at any time amend, suspend or discontinue this Plan, subject to any stockholder approval that may be required under applicable law. Notwithstanding the foregoing, no such action
by the Board or the Committee shall, in any manner adverse to a Participant other than as expressly permitted by the terms of an Award Agreement, affect any Award then outstanding and evidenced by an Award Agreement without the consent in writing of
the Participant or a Beneficiary, a Participant’s family member or a trust (or similar estate planning entity) established for the benefit of a Participant and/or one or more of the Participant’s family members entitled to an Award.
Notwithstanding the above, any amendment that would (i) materially increase the benefits accruing to any Participant or Participants hereunder, (ii) materially increase the aggregate number of shares of Stock, Share Units or other equity
interest(s) that may be issued hereunder, or (iii) materially modify the requirements as to eligibility for participation in this Plan, shall be subject to shareholder approval. 
 SECTION 10. Miscellaneous. 
 (a) Unfunded Plans. This Plan shall be unfunded.
Neither the Corporation nor the Board of Directors nor the Committee shall be required to segregate any assets that may at any time be represented by Awards made pursuant to this Plan. Neither the Corporation, the Committee, nor the Board of
Directors shall be deemed to be a trustee of any amounts to be paid or securities to be issued under this Plan. 
 (b) Rights of
Employees. 
 (1) No Right to an Award. Status as an Employee shall not be construed as a commitment that any one
or more Awards will be made under this Plan to an Employee or to Employees generally. Status as a Participant shall not entitle the Participant to any additional Award. 

  
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 (2) No Assurance of Employment. Nothing contained in this Plan (or in any
other documents related to this Plan or to any Award) shall confer upon any Employee or Participant any right to continue in the employ or other service of the Corporation or any Subsidiary or constitute any contract (of employment or otherwise) or
limit in any way the right of the Corporation or any Subsidiary to change a person’s compensation or other benefits or to terminate the employment or services of a person with or without cause. 

(c) Effective Date; Duration. This Plan has been adopted by the Board of Directors of the Corporation and approved by L-3 Communications
Corporation as the Corporation’s 100% stockholder. 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. 
 (d) Compliance with Laws. This Plan, Award Agreements, and the grant,
exercise, conversion, operation and vesting of Awards, and the issuance and delivery of shares of 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. 
 (e) 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 Corporation 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; which, if the Participant is a “specified employee” within the meaning of the Section 409A, shall be the first day following the six-month period beginning
on the date of Participant’s termination of Employment. 
 (f) Applicable Law. This Plan, Award Agreements and any related
documents and matters shall be governed by, and construed in accordance with, the laws of the State of New York and applicable Federal law. 

  
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 (g) 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 Stock, under any other plan or authority. 

  
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