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<![CDATA[Roth Individual Retirement Annuity ("Roth IRA") Endorsement (ML - 22503 (09/12))]]>

 METROPOLITAN LIFE INSURANCE COMPANY 

[200 Park Avenue 
 New York, NY 10166] 
 ROTH INDIVIDUAL RETIREMENT ANNUITY
(“ROTH IRA”) ENDORSEMENT 
 The provisions in this Roth IRA Endorsement (the “Endorsement”) are effective as of the
issue date for the attached annuity contract (the “Contract”) as a Roth IRA (or the date it has been converted to a Roth IRA), unless a later date is specified under the federal tax law with respect to a provision hereunder. 

The provisions below this paragraph, through Article VIII, of this Endorsement are word-for-word identical to the operative provisions in Articles I
through VIII of IRS Form 5305-RB (dated March 2002) and are deemed to meet the statutory requirements for a Roth IRA. These provisions are clarified in accordance with more recent IRS guidance in Article IX below. 

This Endorsement is made a part of the annuity contract to which it is attached, and the following provisions apply in lieu of any provisions in the
contract to the contrary. 
 The annuitant is establishing a Roth Individual Retirement Annuity (Roth IRA) under section 408A of the Internal
Revenue Code to provide for his or her retirement and for the support of his or her beneficiaries after death. 
 Article I 

Except in the case of a rollover contribution described in section 408A(e), a re-characterized contribution described in section 408A(d)(6), or an IRA
Conversion Contribution, the issuer will accept only cash contributions up to $3,000 per year for tax years 2002 through 2004. That contribution limit is increased to $4,000 for tax years 2005 through 2007 and $5,000 for 2008 and thereafter. For
individuals who have reached the age of 50 before the close of the tax year, the contribution limit is increased to $3,500 per year for tax years 2002 through 2004, $4,500 for 2005, $5,000 for 2006 and 2007, and $6,000 for 2008 and thereafter. For
tax years after 2008, the above limits will be increased to reflect a cost-of-living adjustment, if any. 
 Article II 

 

	 	1.	The contribution limit described in Article I is gradually reduced to $0 for higher income annuitants. For a single annuitant, the annual contribution is phased out
between adjusted gross income (AGI) of $95,000 and $110,000; for a married annuitant filing jointly, between AGI of $150,000 and $160,000; and for a married annuitant filing separately, between AGI of $0 and $10,000. In the case of a conversion, the
issuer will not accept IRA Conversion Contributions in a tax year if the annuitant’s AGI for the tax year the funds were distributed from the other IRA exceeds $100,000 or if the annuitant is married and files a separate return. Adjusted gross
income is defined in section 408A(c)(3) and does not include IRA Conversion Contributions. 

  

	 	2.	In the case of a joint return, the AGI limits in the preceding paragraph apply to the combined AGI of the annuitant and his or her spouse 

Article III 
 The annuitant’s
interest in the contract is nonforfeitable and nontransferable. 
 Article IV 

 

	 	1.	The contract does not require fixed contributions. 

  

	 	2.	Any dividends (refund of contributions other than those attributable to excess contributions) arising under the contract will be applied (before the close of the
calendar year following the year of the dividend) as contributions toward the contract. 

  
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 Article V 
  

	 	1.	If the annuitant dies before his or her entire interest in the contract is distributed to him or her and the annuitant’s surviving spouse is not the designated
beneficiary, the remaining interest in the contract will be distributed in accordance with (a) below or, if elected or there is no designated beneficiary, in accordance with (b) below: 

 

	 	(a)	The remaining interest in the contract will be distributed, starting by the end of the calendar year following the year of the annuitant’s death, over the
designated beneficiary’s remaining life expectancy, or a period no longer than such remaining life expectancy, as determined in the year following the death of the annuitant. Life expectancy is determined using the single life table in
Regulations section 1.401(a)(9)-9. 

  

	 	(b)	The remaining interest in the contract will be distributed by the end of the calendar year containing the fifth anniversary of the annuitant’s death.

  

	 	2.	If the annuitant’s surviving spouse is the designated beneficiary, such spouse will then be treated as the annuitant. 

Article VI 
  

	 	1.	The annuitant agrees to provide the issuer with all information necessary to prepare any reports required by sections 408(i) and 408A(d)(3)(E), Regulations sections
1.408-5 and 1.408-6, or other guidance published by the Internal Revenue Service (IRS). 

  

	 	2.	The issuer agrees to submit to the IRS and annuitant the reports prescribed by the IRS. 

 Article VII 
 Notwithstanding any other articles which may be added or incorporated, the
provisions of Articles I through IV and this sentence will be controlling. Any additional articles inconsistent with section 408A, the related regulations, or other published guidance will be invalid. 

Article VIII 
 This Endorsement will be
amended as necessary to comply with the provisions of the Code, the related regulations, and other published guidance. Other amendments may be made with the consent of the persons whose signatures appear on the contract. 

Article IX 
  

	A.	Clarifications of Terms Used in This Endorsement 

  

	 	1.	The term “issuer,” “we” or “us” means MetLife Insurance Company of Connecticut. 

 

	 	2.	The term “annuitant,” “you” or “your” refers to the individual who is the measuring life, as well as the individual owner (or
“owner”), under this Contract. The term “Contract” also may refer to a certificate issued under a group annuity contract. No joint owner or contingent annuitant may be named under this Contract. If this is an inherited IRA within
the meaning of Code Section 408(d)(3)(c) maintained for the benefit of a designated beneficiary of a deceased individual, references in this document to “annuitant,” “owner,” “you” or “your” are to the
deceased individual. 

  

	 	3.	The term “article” as used in Article VII may include any provision of the Contract (including any rider or endorsement). 

 

	B.	Clarifications of Articles I-VIII and Other Contract Provisions 

  

	 	1.	The Contract as modified by this Endorsement is intended to qualify as part of a tax-qualified retirement arrangement, plan or contract that meets the requirements of
section 408A and any applicable Treasury Regulations, i.e., to qualify as a Roth IRA. To achieve these purposes, the provisions of this Endorsement shall control if they are in conflict with those of the Contract, and the provisions of this
Endorsement and the Contract (including any other rider or endorsement that does not specifically override this provision) shall be interpreted to ensure or maintain such tax qualification, despite any other provision to the contrary. Payments and
distributions under this Contract shall be made in a time and manner necessary to maintain such a tax qualification under the applicable provisions of the Internal Revenue Code (the “Code”). We reserve the right to amend this Endorsement
or the Contract to comply with any applicable changes in the Code or any regulations or other published guidance relating thereto, or to reflect any clarifications that may be needed or are appropriate to maintain such tax qualification. We will
send you a copy of any such amendment, and when required by law, we will obtain the approval of the appropriate regulatory authority or of the annuitant. 

  
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	 	2.	No benefits under the Contract may be transferred, sold, assigned, borrowed, or pledged as collateral for a loan, or as security for the performance of an obligation,
or for any other purpose, to any person, except that the Contract may be transferred under a divorce or separation instrument described in section 408(d)(6). 

 

	 	3.    (a)	 Maximum Permissible Amount. Except in the case of a qualified rollover contribution, a nontaxable transfer from an individual retirement plan under
Section 7701(a)(37) of the Code, or a recharacterization (as defined in (f) below), ongoing contributions to this Contract (if permitted) must be in cash and the total of such contributions to all the individual owner’s Roth IRAs for
a taxable year shall not exceed the applicable amount (as defined in (b) below), or the individual owner’s compensation (as defined in (h) below), if less, for that taxable year (or such other amount provided by applicable federal tax
law). Any contribution described in the previous sentence that may not exceed the lesser of the applicable amount or the individual owner’s compensation is referred to as a “regular contribution.” A “qualified rollover
contribution” is a rollover contribution of a distribution from an eligible retirement plan described in section 402(c)(8)(B) (or such other amounts provided by applicable federal tax law). If the distribution is from an IRA, the rollover must
meet the requirements of section 408(d)(3), except the one-rollover-per-year rule of section 408(d)(3)(B) does not apply if the rollover contribution is from an IRA other than a Roth IRA (a “nonRoth IRA”). If the rollover
contribution is from an eligible retirement plan other than an IRA, the rollover must meet the requirements of section 402(c), 402(e)(6), 403(a)(4), 403(b)(8), 403(b)(10), 408(d)(3) or 457(e)(16), as applicable, Contributions may be limited under
(c) through (e) below. 

  

	 	      (b)	Applicable Amount. The applicable amount is determined below: 

  

	 	(i)	If the individual owner is under age 50, the applicable amount is $5,000 for any taxable year beginning in 2008 and years thereafter. After 2008, the $5,000 amount will
be adjusted by the Secretary of the Treasury for cost-of-living increases under section 219(b)(5)(D). Such adjustments will be in multiples of $500. 

  

	 	(ii)	If the individual owner is 50 or older, the applicable amount under paragraph (i) above is increased by $1,000 for any taxable year beginning in 2006 and years
thereafter. 

  

	 	      (c)	Regular Contribution Limit. The maximum regular contribution that can be made to all the individual owner’s Roth IRAs for a taxable year is the smaller amount
determined under (i) or (ii) below. 

  

	 	(i)	The maximum regular contribution is phased out ratably between certain levels of modified adjusted gross income (“modified AGI”), as defined in
(g) below, in accordance with the following table: 

  

							
	 Filing Status
	  	 Full Contribution
	  	 Phase-Out Range
	  	 No Contribution

	 Modified AGI

	 Single or Head of Household
	  	$95,000 or less	  	Between $95,000 and $110,000	  	$110,000 or more
	 Joint Return or Qualifying Widow(er)
	  	$150,000 or less	  	Between $150,000 and $160,000	  	$160,000 or more
	 Married—Separate Return
	  	$0	  	Between $0 and $10,000	  	$10,000 or more

 If the individual owner’s modified AGI for a taxable year is in the phase-out range, the maximum regular
contribution determined under this table for that taxable year is rounded up to the next multiple of $10 and is not reduced below $200. After 2006, the dollar amounts above will be adjusted by the Secretary of the Treasury for cost-of-living
increases under section 408A(c)(3). Such adjustments will be in multiples of $1,000. 
  

	 	(ii)	If the individual owner makes regular contributions to both Roth and nonRoth IRAs for a taxable year, the maximum regular contribution that can be made to all such
individual’s Roth IRAs for that taxable year is reduced by the regular contributions made to such individual’s nonRoth IRAs for the taxable year. 

  
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	 	      (d)	Inherited IRA. If this is an inherited IRA within the meaning of Code Section 408(d)(3)(c), no additional contributions will be accepted. 

 

	 	      (e)	SIMPLE IRA Limits. No contribution shall be allowed into this Contract under a SIMPLE IRA plan established by any employer pursuant to section 408(p). Also, no
transfer or rollover of funds attributable to contributions made by a particular employer under its SIMPLE IRA plan shall be allowed into this Contract from a SIMPLE IRA, that is, an IRA used in conjunction with a SIMPLE IRA plan, prior to the
expiration of the 2-year period beginning on the date the individual owner first participated in that employer’s SIMPLE IRA plan. 

  

	 	      (f)	Recharacterization. A regular contribution to a nonRoth IRA may be recharacterized pursuant to the rules in Treas. Reg. § 1.408A-5 as a regular
contribution to this Roth IRA (if permitted), subject to the limits in (c) above. 

  

	 	      (g)	Modified AGI. For purposes of (c) above, an individual owner’s modified AGI for a taxable year is defined in section 408A(c)(3) and does not include any
amount included in adjusted gross income as a result of a qualified rollover contribution (a “conversion”). 

  

	 	      (h)	Compensation. For purposes of (a) above, compensation is defined as wages, salaries, professional fees, or other amounts derived from or received for personal
services actually rendered (including, but not limited to commissions paid salesmen, compensation for services on the basis of a percentage of profits, commissions on insurance premiums, tips, and bonuses) and includes earned income, as defined in
section 401(c)(2) (reduced by the deduction the self-employed individual owner takes for contributions made to a self-employed retirement plan). For purposes of this definition, section 401(c)(2) shall be applied as if the term trade or
business for purposes of section 1402 included service described in subsection (c)(6). Compensation does not include amounts derived from or received as earnings or profits from property (including but not limited to interest and dividends) or
amounts not includible in gross income (determined without regard to Code Section 112). Compensation also does not include any amount received as a pension or annuity or as deferred compensation. The term “compensation” shall include
any amount includible in the individual owner’s gross income under section 71 with respect to a divorce or separation instrument described in subparagraph (A) of section 71(b)(2). In the case of a married individual filing a
joint return, the greater compensation of his or her spouse is treated as his or her own compensation, but only to the extent that such spouse’s compensation is not being used for purposes of the spouse making an IRA contribution. The term
“compensation” also includes any differential wage payments as defined in Code Section 3401(h)(2). 

  

	 	(i)	The owner shall have the sole responsibility for determining whether any contribution satisfies applicable income tax requirements. 

 

	 	4.	No amount is required to be distributed prior to the death of the individual owner for whose benefit the Contract was originally established. If this is an inherited
IRA within the meaning of the Code Section 408(d)(3)(C), this paragraph does not apply. However, prior to the time you reach the Maximum Annuity Date or maturity date under this contract (as the case may be), we will send you information about
annuity payment options so that you may consider whether to continue the deferral of distributions under your Roth IRA contract provisions or begin to receive annuity payments or other withdrawals from your Contract. 

 

	 	5.    (a)	Notwithstanding any provision of this Roth IRA Contract to the contrary, the distribution of the individual owner’s interest in the Roth IRA shall be made in
accordance with the requirements of section 408(b)(3), as modified by section 408A(c)(5), and the Treasury Regulations thereunder, the provisions of which are herein incorporated by this reference. If distributions are not made in the form
of an annuity on an irrevocable basis (except for acceleration), then distribution of the interest in the Roth IRA (as determined under section 5(c), below) must satisfy the requirements of section 408(a)(6), as modified by section 408A(c)(5)
and the Treasury Regulations thereunder, rather than the distribution rules in paragraphs 5(b), (c), (d) and (e) below. 

  

	 	      (b)	Upon the death of the individual owner, his or her entire interest shall be distributed at least as rapidly as follows: 

 

	 	(i)	 If the designated beneficiary is someone other than such individual’s surviving spouse, the entire interest shall be distributed, starting by the
end of the calendar year following the calendar year of such individual’s death, over the life of the designated beneficiary or over a period not extending beyond the life expectancy of the designated beneficiary, with such life expectancy
determined using the age of the beneficiary as of his or her birthday in the year following the year of such individual’s death, or, if elected, in accordance with paragraph (b)(iii) below. If this is an inherited IRA within the meaning of Code
Section 408(d)(3)(C) established for the benefit of a non-spouse 

  
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designated beneficiary by a direct trustee-to-trustee transfer from a retirement plan of a deceased individual under § 402(c)(11), then, notwithstanding any election made by the deceased
individual, the non-spouse designated beneficiary may elect to have distributions made under this paragraph if the transfer is made no later than the end of the year following the year of death. 

 

	 	(ii)	 If such individual’s sole designated beneficiary is such individual’s surviving spouse, the entire interest shall be distributed, starting by
the end of the calendar year following the calendar year of such individual’s death (or by the end of the calendar year in which such individual would have attained age 70 1/2, if later), over such spouse’s life or over a period not extending beyond the life expectancy of the surviving spouse, or, if elected, in accordance with paragraph (b)(iii) below. If such surviving
spouse dies before required distributions commence to him or her, the remaining interest shall be distributed, starting by the end of the calendar year following the calendar year of such spouse’s death, over such spouse’s designated
beneficiary’s remaining life expectancy determined using such beneficiary’s age as of his or her birthday in the year following the death of such spouse, or, if elected, shall be distributed in accordance with paragraph (b)(iii) below. If
such surviving spouse dies after required distributions commence to him or her, any remaining interest shall continue to be distributed under the contract option chosen 

 

	 	(iii)	If there is no designated beneficiary, or if applicable by operation of paragraph (b)(i) or (b)(ii) above, the entire interest shall be distributed by the end of the
calendar year containing the fifth anniversary of such individual’s death (or of the spouse’s death in the case of the surviving spouse’s death before distributions are required to begin under paragraph (b)(ii) above).

  

	 	(iv)	Life expectancy is determined using the Single Life Table in Q&A-1 of Treas. Reg. § 1.401(a)(9)-9. If distributions are being made to a surviving
spouse as the sole designated beneficiary, such spouse’s remaining life expectancy for a year is the number in the Single Life Table corresponding to such spouse’s age in the year. In all other cases, remaining life expectancy for a year
is the number in the Single Life Table corresponding to the beneficiary’s age in the year specified in paragraph (b)(i) or (ii) and reduced by 1 for each subsequent year. 

 

	 	      (c)	The “interest” in the Roth IRA includes the amount of any outstanding rollover, transfer and recharacterization under Q&As-7 and -8 of Treas.
Reg. § 1.408-8. Also, prior to the date that the Contract is annuitized, the “interest” in the Contract includes the actuarial present value of any additional benefits provided under this IRA Contract (such as survivor
benefits in excess of the dollar amount credited to Your beneficiary under the Contract) under Q&A-12 of Section 1.401(a)(9)-6 of the Income Tax Regulations. 

 

	 	      (d)	For purposes of paragraph 5(b)(ii) above, required distributions are considered to commence on the date distributions are required to begin to the surviving spouse
under such paragraph. However, if distributions start prior to the applicable date in the preceding sentence, on an irrevocable basis (except for acceleration) under an annuity contract meeting the requirements of Treas.
Reg. § 1.401(a)(9)-6, then required distributions are considered to commence on the annuity starting date. 

  

	 	      (e)	If the sole designated beneficiary is the individual owner’s surviving spouse, the spouse may elect to treat the Roth IRA as his or her own Roth IRA. This election
shall be deemed to have been made if such surviving spouse makes a contribution to the Roth IRA or fails to take required distributions as a beneficiary. 

  

	 	      (f)	The required minimum distributions payable to a designated beneficiary from this Roth IRA may be withdrawn from another Roth IRA the beneficiary holds from the same
decedent in accordance with Q&A-9 of §1.408-8 of the Income Tax Regulations. 

  

	 	      (g)	The owner or the owner’s beneficiary, as applicable, shall have the sole responsibility for requesting or arranging for distributions that comply with this
Endorsement and applicable income tax requirements. 

  

	 	6.	If your Contract contains any provisions relating to federal tax requirements for any Traditional, SEP or SIMPLE IRA contract that do not apply to Roth IRAs, they are
hereby deleted by this Endorsement. This includes, but is not limited to, provisions relating to required minimum distribution (“RMD”) requirements during your life that apply to any Traditional, SEP or SIMPLE IRA but do not apply to your
Roth IRA, such as: 

  

	 	      (a)	 Automatic sending of information about income plans when you attain age 70 or starting income payments on the April 1 following the calendar year
you attain age 70  1/2, or 

  
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	 	      (b)	Waiver of withdrawal charges on withdrawals required to avoid federal income tax penalties or to satisfy such pre-death RMD income tax rules. 

In addition, any references to unisex rates in the Annuity Table or the use of such rates for SEP or SIMPLE IRAs are deleted. 

 

	 	7.	Notwithstanding Article IV above, no dividends are paid under this Contract. 

 

	 	8.	If (a) no premiums have been received for two full consecutive contract years, (b) the account balance is less than $2,000, and (c) the paid-up annuity
benefit at maturity or the Maximum Annuity Date would be less than $20 per month, we may choose either (i) to accept additional future premium payments under the Contract, or (ii) where otherwise permitted by law and the terms of the
Contract, to terminate the Contract by a lump sum payment of the then present value of the paid-up benefit. 

 All other terms and
conditions of the Contract remain unchanged. 
 Metropolitan Life Insurance Company has caused this Endorsement to be signed by its [Secretary].

  

	
	
	/s/ Timothy Ring
	[Secretary]

  
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 6EX-10.5

 Exhibit 10.5 
 MACROGENICS, INC. 
 2013 EQUITY INCENTIVE PLAN 

1. Definitions. In the Plan, except where the context otherwise indicates, the following definitions shall apply: 

1.1. “Affiliate” means a corporation, partnership, business trust, limited liability company, or other form of business
organization at least a majority of the total combined voting power of all classes of stock or other equity interests of which is owned by the Company, either directly or indirectly, and any other entity designated by the Committee in which the
Company has a significant interest. 
 1.2. “Agreement” means an agreement or other document evidencing an Award. An
Agreement may be in written or such other form as the Committee may specify in its discretion, and the Committee may, but need not, require a Participant to sign an Agreement. 
 1.3. “Award” means a grant of an Option, SAR, Restricted Stock, a Restricted Stock Unit, a Performance Award, or an Other Stock-Based Award. 

1.4. “Base Price” means, with respect to a SAR, the Fair Market Value of a Share as of the Date of Grant or such greater amount
as may be specified by the Commiteee. 
 1.5. “Board” means the Board of Directors of the Company. 

1.6. “Code” means the Internal Revenue Code of 1986, as amended. 

1.7. “Committee” means the Compensation and Benefits Committee of the Board or such other committee(s), subcommittee(s) or
person(s) the Board or an authorized committee of the Board appoints to administer the Plan or to make and/or administer specific Awards hereunder. If no such appointment is in effect at any time, “Committee” shall mean the Board.
Notwithstanding the foregoing, “Committee” means the Board for purposes of granting Awards to members of the Board who are not Employees, and administering the Plan with respect to those Awards, unless the Board determines otherwise.

 1.8. “Common Stock” means the Company’s common stock, $.01 par value per share. 

1.9. “Company” means MacroGenics, Inc. and any successor thereto. 

1.10. “Date of Exercise” means the date on which the Company receives notice of the exercise of an Option or SAR in accordance
with the terms of the applicable Agreement. 

 1.11. “Date of Grant” means the date on which an Award is granted under the Plan.

 1.12. “Eligible Person” means any person who is (a) an Employee, (b) a member of the Board or the board
of directors of an Affiliate, or (c) a consultant or independent contractor to the Company or an Affiliate. 
 1.13.
“Employee” means any person who the Committee determines to be an employee of the Company or an Affiliate. 
 1.14.
“Exercise Price” means the price per Share at which an Option may be exercised. 
 1.15. “Fair Market Value”
means, as of any date on which the Shares are listed or quoted on a securities exchange or quotation system, and except as otherwise determined by the Committee, the closing sale price of a Share as reported on such securities exchange or quotation
system as of the relevant date, and if the Shares are not listed or quoted on a securities exchange or quotation system, then an amount equal to the then fair market value of a Share as determined by the Committee pursuant to a reasonable method
adopted in good faith for such purpose. 
 1.16. “Incentive Stock Option” means an Option that the Committee
designates as an incentive stock option under Section 422 of the Code. 
 1.17. “Nonqualified Stock Option” means
an Option that is not an Incentive Stock Option. 
 1.18. “Option” means an option to purchase Shares granted pursuant
to Section 6. 
 1.19. “Option Period” means the period during which an Option may be exercised. 

1.20. “Other Stock-Based Award” means an Award granted pursuant to Section 11. 

1.21. “Participant” means an Eligible Person who has been granted an Award. 

1.22. “Performance Award” means a performance award granted pursuant to Section 11. 

1.23. “Performance Goals” means performance goals that the Committee establishes, which may be based on satisfactory internal
or external audits, achievement of balance sheet or income statement objectives, cash flow, customer satisfaction metrics, achievement of customer satisfaction goals, dividend payments, earnings (including before or after taxes, interest,
depreciation, and amortization), earnings growth, earnings per share, economic value added, expenses (including sales, general and administrative 

  
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expenses), improvement of financial ratings, internal rate of return, market share, geographic expansion, net asset value, net income, net operating gross margin, net operating profit after
taxes, net sales growth, operating income, operating margin, comparisons to the performance of other companies, pro forma income, regulatory compliance, return measures (including return on assets, designated assets, capital, capital employed,
equity, or stockholder equity, and return versus the Company’s cost of capital), revenues, sales, stock price (including growth measures and total stockholder return), comparison to stock market indices, implementation or completion of one or
more projects or transactions (including mergers, acquisitions, dispositions, and restructurings), working capital, or any other objective goals that the Committee establishes. Performance Goals may be absolute in their terms or measured against or
in relationship to other companies comparably, similarly or otherwise situated. Performance Goals may be particular to an Eligible Person or the department, branch, Affiliate, or division in which the Eligible Person works, or may be based on the
performance of the Company, one or more Affiliates, or the Company and one or more Affiliates and may cover such period as the Committee may specify. 
 1.24. “Plan” means this MacroGenics, Inc. 2013 Equity Incentive Plan, as amended from time to time. 
 1.25. “Restricted Stock” means Shares granted pursuant to Section 9. 
 1.26. “Restricted Stock Units” means an Award providing for the contingent grant of Shares (or the cash equivalent thereof) pursuant to Section 10. 

1.27. “SAR Period” means the period during which an Option may be exercised. 

1.28. “Stock Appreciation Right” or “SAR” means an Award granted pursuant to Section 8 providing for the payment
upon exercise of cash and/or Shares based on the appreciation of the Shares above the Base Price established as of the Date of Grant. 
 1.29. “Section 422 Employee” means an Employee who is employed by the Company or a “parent corporation” or “subsidiary corporation” (each as defined in Sections 424(e)
and (f) of the Code) with respect to the Company, including a “parent corporation” or “subsidiary corporation” that becomes such after adoption of the Plan. 

1.30. “Share” means a share of Common Stock. 
 1.31. “Ten-Percent Stockholder” means a Section 422 Employee who (applying the rules of Section 424(d) of the Code) owns stock possessing more than ten percent (10%) of the total
combined voting power of all classes of stock of the Company or a “parent corporation” or “subsidiary corporation” (each as defined in Sections 424(e) and (f) of the Code) with respect to the Company. 

  
 3 

 Unless the context expressly requires the contrary, references in the Plan to (a) the term
“Section” refers to the sections of the Plan, and (b) the word “including” means “including (without limitation).” 
 2. Purpose. The Plan is intended to assist the Company and its Affiliates in attracting and retaining Eligible Persons of outstanding ability and to promote the alignment of their interests with
those of the stockholders of the Company. 
 3. Administration. The Committee shall administer the Plan and shall have
plenary authority, in its discretion, to grant Awards to Eligible Persons, subject to the provisions of the Plan. The Committee shall have plenary authority and discretion, subject to the provisions of the Plan, to determine the Eligible Persons to
whom it grants Awards, the terms (which terms need not be identical) of all Awards, including without limitation, the Exercise Price of Options and the Base Price of SARs, the time or times at which Awards are granted, the number of Shares covered
by Awards, whether an Option shall be an Incentive Stock Option or a Nonqualified Stock Option, any exceptions to nontransferability, any Performance Goals applicable to Awards, any provisions relating to vesting, and the periods during which
Options and SARs may be exercised and Restricted Stock shall be subject to restrictions. In making these determinations, the Committee may take into account the nature of the services rendered or to be rendered by Award recipients, their present and
potential contributions to the success of the Company and its Affiliates, and such other factors as the Committee in its discretion shall deem relevant. Subject to the provisions of the Plan, the Committee shall have plenary authority and discretion
to interpret the Plan and Agreements, prescribe, amend and rescind rules and regulations relating to them, and make all other determinations deemed necessary or advisable for the administration of the Plan and Awards granted hereunder. The
determinations of the Committee on the matters referred to in this Section 3 shall be binding and final. The Committee may delegate its authority under this Section 3 and the terms of the Plan to such extent it deems desirable and is
consistent with the requirements of applicable law. 
 4. Eligibility. Awards may be granted only to Eligible Persons,
provided that Incentive Stock Options may be granted only to Eligible Persons who are Section 422 Employees. 
 5. Stock
Subject to Plan. 
 5.1. Subject to adjustment as provided in Section 14, the maximum number of Shares that may be
issued pursuant to Awards (including Incentive Stock Options) under the Plan shall equal 36.8 million Shares, increased on January 1 of each of the ten (10) calendar years during the term of the Plan by a number of Shares equal to the
lesser of (i) four percent (4%) of the number of Shares issued and outstanding on the December 31 immediately preceding each such January 1, (ii) 36.8 million Shares, or (iii) the number of Shares determined by the
Board. Shares issued under the Plan may, in whole or in part, be authorized but unissued Shares or Shares that shall have been, or may be, reacquired by the Company in the open market, in private transactions, or otherwise. 

  
 4 

 5.2. If an Option or SAR expires or terminates for any reason without having been fully
exercised, if shares of Restricted Stock are forfeited, or if Shares covered by an Award are not issued or are forfeited, the unissued or forfeited Shares that had been subject to the Award shall be available for the grant of additional Awards;
provided, however, that (a) in the case of Shares that are withheld (or delivered) to pay the Exercise Price of an Option or withholding taxes pursuant to Sections 7.2, 7.3, or 18, no such withheld (or delivered) Shares shall be available for
the grant of Awards hereunder and (b) Tandem Options and related Tandem SARs shall be treated for purposes of this Section 5.2 as a single Award covering the number of Shares covered by the Tandem Option. 

5.3. Subject to adjustment as provided in Section 14, the maximum number of Shares with respect to which an Employee may be granted
Awards under the Plan (whether settled in Shares or the cash equivalent thereof) during any calendar year is 23 million Shares, provided that for this purpose Tandem Options and related Tandem SARs shall be treated as a single Award covering
the number of Shares covered by the Tandem Option. The maximum number of Shares with respect to which an Employee has been granted Awards shall be determined in accordance with Section 162(m) of the Code. 

6. Options. 
 6.1. Options granted under the Plan shall be either Incentive Stock Options or Nonqualified Stock Options, as designated by the Committee. Each Option granted under the Plan shall be a Nonqualified Stock
Option unless expressly identified as an Incentive Stock Option, and each Option shall be evidenced by an Agreement that specifies the terms and conditions of the Option. Options shall be subject to the terms and conditions set forth in this
Section 6 and such other terms and conditions not inconsistent with the Plan as the Committee may specify. The Committee, in its discretion, may condition the grant or vesting of an Option upon the achievement of one or more specified
Performance Goals. 
 6.2. The Exercise Price of an Option granted under the Plan shall not be less than 100% of the Fair Market
Value of a Share on the Date of Grant. Notwithstanding the foregoing, in the case of an Incentive Stock Option granted to an Employee who, on the Date of Grant is a Ten-Percent Shareholder, the Exercise Price shall not be less than 110% of the Fair
Market Value of a Share on the Date of Grant. 
 6.3. The Committee shall determine the Option Period for an Option, which shall
be specifically set forth in the Agreement, provided that an Option shall not be exercisable after ten years (five years in the case of an Incentive Stock Option granted to an Employee who on the Date of Grant is a Ten-Percent Stockholder) from its
Date of Grant. 

  
 5 

 7. Exercise of Options. 

7.1. Subject to the terms of the applicable Agreement, an Option may be exercised, in whole or in part, by delivering to the Company a
notice of the exercise, in such form as the Committee may prescribe, accompanied by (a) full payment for the Shares with respect to which the Option is exercised or (b) to the extent provided in the applicable Agreement, irrevocable
instructions to a broker to deliver promptly to the Company cash equal to the exercise price of the Option. 
 7.2. To the
extent provided in the applicable Agreement or otherwise authorized by the Committee, payment of the Exercise Price may be made by delivery (including constructive delivery) of Shares (provided that such Shares, if acquired pursuant to an Option or
other Award granted hereunder or under any other compensation plan maintained by the Company or any Affiliate, have been held by the Participant for such period, if any, as the Committee may specify) valued at Fair Market Value on the Date of
Exercise, with payment of the balance of the exercise price, if any, being made in accordance with the terms of the applicable Agreement and this Section 7. 
 7.3. To the extent provided in the applicable Agreement or otherwise authorized by the Committee, payment of the Exercise Price may be made by directing the Company to withhold from the Shares to be
issued upon exercise of the Option (or portion thereof) being exercised a number of Shares having a Fair Market Value not in excess of the aggregate Exercise Price of the Option (or portion thereof being exercised), with payment of the balance of
the exercise price, if any, being made in accordance with the terms of the applicable Agreement and this Section 7. 
 8.
Stock Appreciation Rights. 
 8.1. Each SAR shall be evidenced by an Agreement that provides for the Participant to be
paid upon exercise of the SAR (and without any payment to the Company, other than required income tax withholding amounts), either cash and/or Shares having a having a value (determined using the Fair Market Value of the Shares as of the Date of
Exercise) equal to the number of Shares as to which the SAR is exercised multiplied by the excess of (a) the Fair Market Value of a Share on the Date of Exercise over (ii) the Base Price, subject to such terms and conditions as the
Committee may specify. The Committee may, in its discretion, condition the grant or vesting of a SAR upon the achievement of one or more specified Performance Goals. 
 8.2. A SAR may be granted in tandem with an Option (a “Tandem SAR” and the Option to which it relates being a “Tandem Option”), in which case (a) the exercise, in whole or in
part, of the Tandem SAR shall cause a reduction in the number of Shares subject to the Tandem Option equal to the number of Shares with respect to which the Tandem SAR is exercised, and (b) the exercise, in whole or in part, of the Tandem
Option shall cause a reduction in the number of Shares subject to the Tandem SAR equal to the number of Shares with respect to which the Tandem Option is exercised. 
 8.3. The Committee shall determine the SAR Period for a SAR, which shall be specifically set forth in the Agreement, provided that a SAR shall not be exercisable after ten years from its Date of Grant.

  
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 9. Restricted Stock Awards. Each grant of Restricted Stock under the Plan shall be
subject to an Agreement specifying the terms and conditions of the Award. Restricted Stock granted under the Plan shall consist of Shares that are restricted as to transfer, subject to forfeiture, and subject to such other terms and conditions as
the Committee may specify. Such terms and conditions may provide, in the discretion of the Committee, for the lapse of such transfer restrictions or forfeiture provisions to be contingent upon the achievement of one or more specified Performance
Goals. 
 10. Restricted Stock Unit Awards. Each grant of Restricted Stock Units under the Plan shall be evidenced by an
Agreement that (a) provides for the issuance of Shares (or the cash equivalent thereof) to a Participant at such time(s) as the Committee may specify and (b) contains such other terms and conditions as the Committee may specify, including
terms that condition the issuance, vesting, or payment of Restricted Stock Unit Awards upon the achievement of one or more specified Performance Goals. 
 11. Performance Awards. Each Performance Award granted under the Plan shall be evidenced by an Agreement that (a) provides for the payment of cash or issuance of Shares to a Participant
contingent upon the attainment of one or more specified Performance Goals over such period as the Committee may specify, and (b) contains such other terms and conditions as the Committee may specify. If the terms of a Performance Award provides
for payment in the form of Shares, for purposes of Section 5.3, the Performance Award shall be deemed to cover a number of Shares equal to the maximum number of Shares that may be issued upon payment of the Award. The maximum cash amount
payable to any Employee pursuant to all Performance Awards granted to an Employee during a calendar year shall not exceed $3.0 million. 
 12. Other Stock-Based Awards. The Committee may in its discretion grant stock-based awards of a type other than those otherwise provided for in the Plan, including the issuance or offer for sale of
unrestricted Shares (“Other Stock-Based Awards”). Other Stock-Based Awards shall cover such number of Shares and have such terms and conditions as the Committee shall determine, including terms that condition the payment or vesting of the
Other Stock-Based Award upon the achievement of one or more Performance Goals. 
 13. Dividends and Dividend Equivalents.
The terms of an Award may provide a Participant with the right, subject to such terms and conditions as the Committee may specify, to receive dividend payments or dividend equivalent payments with respect to Shares covered by such Award, which
payments (a) may be either made currently or credited to an account established for the Participant, (b) may be made contingent upon the achievement of one or more Performance Goals, and (c) may be settled in cash or Shares, as
determined by the Committee. 
 14. Capital Events and Adjustments. 

14.1. In the event of any change in the outstanding Common Stock by reason of any stock dividend, stock split, reverse stock split,
spin-off, split-off, recapitalization, reclassification, combination or exchange of shares, merger, 

  
 7 

 
consolidation, liquidation or the like, the Committee shall provide for a substitution for or adjustment in: (a) the number and class of securities subject to outstanding Awards or the type
of consideration to be received upon the exercise or vesting of outstanding Awards, (b) the Exercise Price of Options and the Base Price of SARs, (c) the aggregate number and class of Shares for which Awards thereafter may be granted under
the Plan (including for sake of clarity the number of Shares specified in the first sentence of Section 5.1), and (d) the maximum number of Shares with respect to which an Employee may be granted Awards during any calendar year.

 14.2. Any provision of the Plan or any Agreement to the contrary notwithstanding, in the event of a merger or consolidation
to which the Company is a party or any sale, disposition or exchange of at least 50% of the Company’s Common Stock or all or substantially all of the Company’s assets for cash, securities or other property, or any other similar transaction
or event (each, a “Transaction”), the Committee shall take such actions, and make such changes and adjustments to outstanding Awards as it deems equitable, and may in its discretion, cause any Award granted hereunder to (a) vest in
whole or in part, (b) be assumed or continued by any successor or acquirer, and/or (c) be canceled (in whole or in part) in consideration of a payment (or payments), in such form as the Committee may specify, equal to the fair value of the
canceled Award (or portion thereof), as determined by the Committee in its discretion. The fair value of an Option or SAR shall be deemed to be equal to the product of (a) the number of Shares the Option or SAR covers (and has not previously
been exercised) and (b) the excess, if any, of the Fair Market Value of a Share as of the date of cancellation over the Exercise Price of the Option or Base Price of the SAR. For sake of clarity and notwithstanding anything to the contrary
herein, (a) the fair value of an Option or SAR would be zero if the Fair Market Value of a Share is equal to or less than the Exercise Price or Base Price, as applicable and (b) payments in cancellation of an Award in connection with a
Transaction may be delayed to the same extent that payment of consideration to holders of Shares in connection with the Transaction is delayed as a result of escrows, earn-outs, holdbacks, or any other contingencies. 

14.3. The Committee need not take the same action under this Section 14 with respect to all Awards or with respect to all
Participants and may, in its discretion, take different actions with respect to vested and unvested portions of an Award. No fractional shares or securities shall be issued pursuant to any adjustment made pursuant to this Section 14, and any
fractional shares or securities resulting from any such adjustment shall be eliminated by rounding downward to the next whole share or security, either with or without payment in respect thereof, as determined by the Committee. All determinations
required to be made under this Section 14 shall be made by the Committee in its discretion and shall be final and binding. 

15. Termination or Amendment. The Board may amend or terminate the Plan in any respect at any time; provided, however, that after
the stockholders of the Company have approved the Plan, the Board shall not amend or terminate the Plan without approval of (a) the Company’s stockholders to the extent applicable law or regulations or the requirements of the principal
exchange or interdealer quotation system on which the Common Stock is listed or quoted, if any, requires stockholder approval of the 

  
 8 

 
amendment or termination, and (b) each affected Participant if the amendment or termination would adversely affect the Participant’s rights or obligations under any Award granted prior
to the date of the amendment or termination. 
 16. Modification, Substitution of Awards. 

16.1. Subject to the terms and conditions of the Plan, the Committee may modify the terms of any outstanding Awards; provided, however,
that (a) no modification of an Award shall, without the consent of the Participant, alter or impair any of the Participant’s rights or obligations under such Award, and (b) except as approved by the Company’s stockholders and
subject to Section 14, in no event shall (i) an Option or SAR (A) be modified to reduce the Exercise Price or Base Price of the Option or SAR or (B) be cancelled or surrendered in consideration for the grant of a new Option or
SAR with a lower Exercise Price or Base Price or (ii) any other action be taken under the Plan that constitutes a “repricing” within the meaning of the rules of the NASDAQ Stock Market. 

16.2. Anything contained herein to the contrary notwithstanding, Awards may, in the discretion of the Committee, be granted under the
Plan in substitution for stock options and other awards covering capital stock of another corporation which is merged into, consolidated with, or all or a substantial portion of the property or stock of which is acquired by, the Company or an
Affiliate. The terms and conditions of the substitute Awards so granted may vary from the terms and conditions set forth in the Plan to such extent as the Committee may deem appropriate in order to conform, in whole or part, to the provisions of the
awards in substitution for which they are granted. Such substitute Awards shall not be counted toward the Share limit imposed by Section 5.3, except to the extent the Committee determines that counting such Awards is required in order for
Awards granted hereunder to be eligible to qualify as “performance-based compensation” within the meaning of Section 162(m) of the Code. 
 17. Stockholder Approval. The Plan, and any amendments hereto requiring stockholder approval pursuant to Section 15 are subject to approval by vote of the stockholders of the Company at the
next annual or special meeting of stockholders following adoption by the Board. If the adoption of the Plan is not so approved by the Company’s stockholders, any Awards granted under the Plan shall be cancelled and void ab initio
immediately following such next annual or special meeting of stockholders. 
 18. Withholding. The Company’s
obligation to issue or deliver Shares or pay any amount pursuant to the terms of any Award granted hereunder shall be subject to satisfaction of applicable federal, state, local, and foreign tax withholding requirements. To the extent authorized by
the Committee, and in accordance with such rules as the Committee may prescribe, a Participant may satisfy any withholding tax requirements by one or any combination of the following means: (a) tendering a cash payment, (b) authorizing the
Company to withhold Shares otherwise issuable to the Participant, or (c) delivering to the Company already-owned and unencumbered Shares. 

  
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 19. Term of Plan. Unless sooner terminated by the Board pursuant to Section 15,
the Plan shall terminate on the date that is ten years after the earlier of the date that the Plan is adopted by the Board or approved by the Company’s stockholders, and no Awards may be granted or awarded after such date. The termination of
the Plan shall not affect the validity of any Award outstanding on the date of termination. 
 20. Indemnification of
Committee. In addition to such other rights of indemnification as they may have as members of the Board or Committee, the Company shall indemnify members of the Committee against all reasonable expenses, including attorneys’ fees, actually
and reasonably incurred in connection with the defense of any action, suit or proceeding, or in connection with any appeal therein, to which they or any of them may be a party by reason of any action taken or failure to act under or in connection
with the Plan or any Award granted hereunder, and against all amounts reasonably paid by them in settlement thereof or paid by them in satisfaction of a judgment in any such action, suit or proceeding, if such members acted in good faith and in a
manner which they believed to be in, and not opposed to, the best interests of the Company. 
 21. General Provisions.

 21.1. The establishment of the Plan shall not confer upon any Eligible Person any legal or equitable right against the
Company, any Affiliate or the Committee, except as expressly provided in the Plan. Participation in the Plan shall not give an Eligible Person any right to be retained in the service of the Company or any Affiliate. 

21.2. Neither the adoption of the Plan nor its submission to the Company’s stockholders shall be taken to impose any limitations on
the powers of the Company or its Affiliates to issue, grant or assume options, warrants, rights, restricted stock or other awards otherwise than under the Plan, or to adopt other stock option, restricted stock, or other plans, or to impose any
requirement of stockholder approval upon the same. 
 21.3. The interests of any Eligible Person under the Plan and/or any Award
granted hereunder are not subject to the claims of creditors and may not, in any way, be transferred, assigned, alienated or encumbered except to the extent provided in an Agreement. 

21.4. The Plan shall be governed, construed and administered in accordance with the laws of the State of Maryland without giving effect
to conflict of laws principles. 
 21.5. Notwithstanding any other provision of the Plan or any Agreement to the contrary,
Awards and any Shares issued or payments made under Awards shall be subject to any compensation clawback or recoupment policy (or policies) that the Company may have in effect from time to time, subject to such terms and conditions of such policy
(or policies). 

  
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 21.6. The Committee may require each person acquiring Shares pursuant to Awards granted
hereunder to represent to and agree with the Company in writing that such person is acquiring the Shares without a view to distribution thereof. The certificates for such Shares may include any legend which the Committee deems appropriate to reflect
any restrictions on transfer. All certificates for Shares issued pursuant to the Plan shall be subject to such stock transfer orders and other restrictions as the Committee may deem advisable under the rules, regulations, and other requirements of
the Securities and Exchange Commission, any stock exchange upon which the Common Stock is then listed or interdealer quotation system upon which the Common Stock is then quoted, and any applicable federal or state securities laws. The Committee may
place a legend or legends on any such certificates to make appropriate reference to such restrictions. 
 21.7. The Company
shall not be required to issue any certificate or certificates for Shares with respect to Awards granted under the Plan, or record any person as a holder of record of Shares, without obtaining, to the complete satisfaction of the Committee, the
approval of all regulatory bodies the Committee deems necessary, and without complying to the Board’s or Committee’s complete satisfaction, with all rules and regulations under federal, state or local law the Committee deems applicable.

 21.8. To the extent that the Plan provides for issuance of stock certificates to reflect the issuance of Shares, the issuance
may be effected on a noncertificated basis, to the extent not prohibited by applicable law or the rules of any stock exchange or automated dealer quotation system on which the Shares are traded. No fractional Shares shall be issued or delivered
pursuant to the Plan or any Award. The Committee shall determine whether cash, other Awards, or other property shall be issued or paid in lieu of any fractional Shares or whether any fractional Shares or any rights thereto shall be forfeited or
otherwise eliminated. 

  
 11

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