Document:

EX-10.15

 Exhibit 10.15 

UNITY SOFTWARE INC. 

SENIOR EXECUTIVE SEVERANCE PLAN 

1.    Purpose. Unity Software Inc., a Delaware corporation, (the “Company”) considers it essential to the
best interests of its stockholders to foster the continuous employment of key management personnel. The Board of Directors of the Company (the “Board”) recognizes, however, that, as is the case with many corporations, the possibility of an
involuntary termination of employment, either before or after a Change in Control (as defined in Section 2 hereof), exists and that such possibility, and the uncertainty and questions that it may raise among management, may result in the
departure or distraction of management personnel to the detriment of the Company, its Subsidiaries (as defined in Section 2 hereof) and the Company’s stockholders. Therefore, the Board has determined that the Unity Software Inc. Senior
Executive Severance Plan (the “Plan”) should be adopted to reinforce and encourage the continued attention and dedication of the Company’s and its Subsidiaries’ Covered Executives (as defined in Section 2 hereof) to their
assigned duties without distraction. Nothing in this Plan shall be construed as creating an express or implied contract of employment and nothing shall alter the “at will” nature of the Covered Executives’ employment with the Company
or any of its Subsidiaries. 
 2.    Definitions. The following terms shall be defined as set forth below: 

(a)    “Accounting Firm” shall mean a nationally recognized accounting firm selected by the Company. 

(b)    “Administrator” means the Board or a committee thereof. 

(c)    “Base Salary” shall mean the higher of (i) the annual base salary in effect immediately prior
to the Date of Termination or (ii) the annual base salary in effect for the fiscal year immediately prior to the fiscal year in which the Date of Termination occurs. 

(d)    “Cause” shall mean, and shall be limited to, the occurrence of any one or more of the following
events: 
 (i)    the Covered Executive’s theft, dishonesty, willful misconduct, breach of fiduciary
duty for personal profit, or falsification of any Company or Subsidiary documents or records; 

(ii)    the Covered Executive’s material failure to abide by the Company’s Code of Conduct or
other policies (including, without limitation, policies relating to confidentiality and reasonable workplace conduct and policies of any Subsidiary, as applicable); 

(iii)    the Covered Executive’s unauthorized use, misappropriation, destruction or diversion of any
tangible or intangible asset or corporate opportunity of the Company or any of its Subsidiaries (including, without limitation, the Covered Executive’s improper use or disclosure of Company or Subsidiary confidential or proprietary
information); 

  
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 (iv)    any intentional act by the Covered Executive
which has a material detrimental effect on the Company’s or its Subsidiary’s reputation or business; 

(v)    the Covered Executive’s repeated failure or inability to perform any reasonable assigned duties
after written notice from the Company (or its Subsidiary, as applicable) of, and a reasonable opportunity to cure, such failure or inability; 

(vi)    any material breach by the Covered Executive of any employment or service agreement between the
Covered Executive and the Company (or its Subsidiary, as applicable), which breach is not cured pursuant to the terms of such agreement; or 

(vii)    the Covered Executive’s conviction (including any plea of guilty or nolo contendere)
of any criminal act involving fraud, dishonesty, misappropriation or moral turpitude, or which impairs the Covered Executive’s ability to perform his or her duties with the Company (or its Subsidiary, as applicable). 

(e)    “Change in Control” shall mean a “Change in Control”, as defined in the Stock Plan. 

(f)    “Change in Control Period” shall mean the period beginning on the date three months prior to a
Change in Control and ending on the one-year anniversary of the Change in Control. For the avoidance of doubt, upon a Qualified Termination Event, any equity awards then held by the Covered Executive that have
not yet met their service-based vesting requirement and will not meet such requirement through the accelerated vesting provision of this Plan shall not lapse until the earliest of a Change in Control, three months after the Date of Termination, or
the expiration date of such equity award. 
 (g)    “Code” shall mean the Internal Revenue Code of
1986, as amended, and the rules and regulations thereunder. 
 (h)    “Covered Executives” shall mean
the individuals designated as such by the Administrator and who are listed in Exhibit A, attached hereto, as such exhibit is amended by the Administrator from time to time, and who, in each case, meet the eligibility requirements set forth in
Section 4 of the Plan. 
 (i)    “Date of Termination” shall mean the date that a Covered
Executive’s employment with the Company (or its Subsidiary or successor, as applicable) ends, which date shall be specified in the Notice of Termination. Notwithstanding the foregoing, a Covered Executive’s employment shall not be deemed
to have been terminated solely as a result of the Covered Executive becoming an employee of any direct or indirect successor to the business or assets of the Company or becoming an employee of any Subsidiary. 

(j)    “Disability” shall mean “Disability”, as defined in the Stock Plan. 

  
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 (k)    “Good Reason” shall mean that the Covered
Executive has complied with the “Good Reason Process” following the occurrence of any of the following events: 

(i)    a material diminution in the Covered Executive’s annual base salary other than across the board
decreases in annual base salary similarly affecting all executives of the Company (or its Subsidiary, as applicable); 

(ii)    the Company (or its Subsidiary, as applicable) requiring the Covered Executive to relocate (other
than for travel incident to the Covered Executive’s performance of his or her duties on behalf of the Company (or its Subsidiary, as applicable)) a distance of more than fifty (50) miles from the Covered Executive’s current principal
place of business; or 
 (iii)    any material diminution in the Covered Executive’s position,
responsibilities, authority or duties. 
 For purposes of Section 2(k)(iii), a change in the reporting relationship, or a change in a position or title
will not, by itself, be sufficient to constitute a material diminution of responsibilities, authority or duty. 

(l)    “Good Reason Process” shall mean: 

(i)    the Covered Executive reasonably determines in good faith that a “Good Reason” condition
has occurred; 
 (ii)    the Covered Executive notifies the Company (or its Subsidiary, as applicable) in
writing of the first occurrence of the Good Reason condition within sixty (60) days of the first occurrence of such condition; 

(iii)    the Covered Executive cooperates in good faith with the Company’s, its Subsidiary’s or
the Company’s successor’s, as applicable, efforts, for a period of not less than thirty (30) days following such notice (the “Cure Period”), to remedy the condition; 

(iv)    notwithstanding such efforts, the Good Reason condition continues to exist following the Cure
Period; and 
 (v)    the Covered Executive terminates his or her employment and provides the Company,
its Subsidiary or the Company’s successor, as applicable, with a Notice of Termination with respect to such termination, each within sixty (60) days after the end of the Cure Period. 

If the Good Reason condition is cured during the Cure Period, Good Reason shall be deemed not to have occurred. 

(m)    “Notice of Termination” shall mean a written notice which shall indicate the specific termination
provision in this Plan relied upon for the termination of a Covered Executive’s employment and the Date of Termination. 

(n)    “Participation Agreement” shall mean an agreement between a Covered Executive and the Company that
acknowledges the Covered Executive’s participation in the Plan. 

  
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 (o)    “Public Offering” shall mean the consummation of
the first public offering pursuant to an effective registration statement under the Securities Act covering the offer and sale of the Company’s equity securities, as a result of or following which the Company’s common stock shall be
publicly held. 
 (p)    “Qualified Termination Event” shall mean (i) a termination of the
Covered Executive’s employment by the Company (or its Subsidiary, as applicable) other than for Cause, death or Disability or (ii) the Covered Executive’s resignation from the Company (or its Subsidiary, as applicable) for Good
Reason. 
 (q)    “Restrictive Covenants Agreement” shall mean the Employee Non-Disclosure, Assignment, and Non-Solicitation Agreement or similar agreement entered into between the Covered Executive and the Company. 

(r)    “Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations
thereunder. 
 (s)    “Stock Plan” means the 2019 Unity Software Inc. Stock Plan, as amended from time
to time. 
 (t)    “Subsidiary” means any corporation or other entity (other than the Company) in which
the Company has at least a fifty (50) percent interest, either directly or indirectly. 
 3.    Administration
of the Plan. 
 (a)    Administrator. The Plan shall be administered by the Administrator. 

(b)    Powers of Administrator. The Administrator shall have all powers necessary to enable it properly to carry
out its duties with respect to the complete control of the administration of the Plan. Not in limitation, but in amplification of the foregoing, the Administrator shall have the power and authority in its discretion to: 

(i)    construe the Plan to determine all questions that shall arise as to interpretations of the
Plan’s provisions; 
 (ii)    determine which individuals are and are not Covered Executives,
determine the benefits to which any Covered Executives may be entitled, the eligibility requirements for participation in the Plan and all other matters pertaining to the Plan; 

(iii)    adopt amendments to the Plan which are deemed necessary or desirable to comply with all applicable
laws and regulations, including but not limited to Code Section 409A and the guidance thereunder; 

(iv)    make all determinations it deems advisable for the administration of the Plan, including the
authority and ability to delegate administrative functions to a third party; 

  
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 (v)    decide all disputes arising in connection with
the Plan; and 
 (vi)    otherwise supervise the administration of the Plan. 

(c)    All decisions and interpretations of the Administrator shall be binding on all persons, including the Company, its
Subsidiaries and Covered Executives. 
 4.    Eligibility. All Covered Executives who have executed and submitted
to the Company a Participation Agreement, and satisfied such other requirements as may be determined by the Administrator, are eligible to participate in the Plan. The Administrator may determine at any time that a Covered Executive should no longer
be designated as such as a result of a material change in such Covered Executive’s role, and such individual shall cease to be eligible to participate in the Plan upon the Administrator taking action by resolution to update the applicable
Exhibit hereto. 
 5.    Termination Benefits Generally. In the event a Covered Executive’s employment with
the Company or any of its Subsidiaries is terminated for any reason, the Company (or its Subsidiary, as applicable) shall pay or provide to the Covered Executive any earned but unpaid salary, unpaid expense reimbursements in accordance with Company
policy (or a Subsidiary policy, as applicable), accrued but unused vacation or leave entitlement, and any vested benefits the Covered Executive may have under any employee benefit plan of the Company or its Subsidiary, as applicable, in accordance
with the terms and conditions of such employee benefit plan (collectively, the “Accrued Benefits”), within the time required by law but in no event more than sixty (60) days after the Date of Termination. 

6.    Termination Not in Connection with a Change in Control. In the event of a termination of the Covered
Executive’s employment by the Company or any of its Subsidiaries other than for Cause, death or Disability, at any time other than during the Change in Control Period, with respect to such Covered Executive, in addition to the Accrued Benefits,
subject to his or her execution of a separation agreement in a form and manner satisfactory to the Company, containing, among other provisions, a general release of claims in favor of the Company, its Subsidiaries and related persons and entities,
and confidentiality, return of property, non-disparagement and reaffirmation of the Restrictive Covenants Agreement provisions (the “Separation Agreement and Release”) and the Separation Agreement
and Release becoming irrevocable, all within the time period set forth in the Separation Agreement and Release but in no event more than sixty (60) days after the Date of Termination, and subject to the Covered Executive complying with the
Separation Agreement and Release, the Company or its Subsidiary, as applicable, shall: 
 (a)    if the Covered
Executive has been continuously employed and in good standing as a Covered Executive for at least one year, pay the Covered Executive an amount equal to the sum of (i) six (6) months’ Base Salary plus (ii) the Covered Executive’s
annual target bonus in effect immediately prior to the Date of Termination, pro-rated for the number of days of service provided by the Covered Executive during the year of the Date of Termination; and 

  
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 (b)    if the Covered Executive has been continuously employed and in
good standing as a Covered Executive for at least one year and if the Covered Executive was participating in the Company’s (or its Subsidiary’s, as applicable) group health plan immediately prior to the Date of Termination and elects COBRA
health continuation, then the Company (or its Subsidiary, as applicable), shall pay to the Covered Executive a lump sum cash payment in an amount equal to the monthly employer contribution that the Company (or its Subsidiary, as applicable), would
have made to provide health insurance to the Covered Executive if the Covered Executive had remained employed by the Company (or its Subsidiary, as applicable) for six (6) months after the Date of Termination, based on the premiums as of the
Date of Termination. 
 The amounts payable under Section 6(a) and (b), as applicable, shall be paid out in a lump sum within sixty (60) days
after the Date of Termination; provided, however, that if the 60-day period begins in one calendar year and ends in a second calendar year, the amounts shall be paid in the second calendar year no later than
the last day of such 60-day period. Each payment pursuant to this Plan is intended to constitute a separate payment for purposes of Treasury Regulation
Section 1.409A-2(b)(2). 
 7.    Termination in Connection with a Change
in Control. In the event a Qualified Termination Event occurs within the Change in Control Period, then with respect to such Covered Executive, in addition to the Accrued Benefits, subject to his or her execution and non-revocation of the Separation Agreement and Release, all within the time period set forth in the Separation Agreement and Release, but in no event more than sixty (60) days after the Date of Termination, the
Company or its Subsidiary, as applicable, shall: 
 (a)    cause one hundred percent (100%) for each Covered Executive
who has been continuously employed and in good standing as a Covered Executive for at least one year, and fifty percent (50%) for each Covered Executive who has been continuously employed and in good standing as a Covered Executive for less than one
year, of the outstanding and unvested equity awards with time-based vesting held by the Covered Executive to immediately become fully time-vested as of the Date of Termination or the Change in Control, if later; provided, that the performance
conditions (which, for the avoidance of doubt, does not include any liquidity conditions) applicable to any outstanding and unvested equity awards subject to performance conditions (which, for the avoidance of doubt, does not include any liquidity
conditions) will be deemed satisfied at the target level specified in the terms of the applicable award agreement; 

(b)    if the Covered Executive has been continuously employed and in good standing as a Covered Executive for at least
one year, pay the Covered Executive an amount equal to the sum of (i) twelve (12) months’ Base Salary plus (ii) one hundred percent (100%) of the Covered Executive’s annual target bonus in effect immediately prior to the
Qualified Termination Event (or the Covered Executive’s annual target bonus in effect immediately prior to the Change in Control, if higher); and 

(c)    if the Covered Executive has been continuously employed and in good standing as a Covered Executive for at least
one year and if the Covered Executive was participating in the Company’s (or its Subsidiary’s, as applicable) group health plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company (or

  
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its Subsidiary, as applicable), shall pay to the Covered Executive a lump sum cash payment in an amount equal to the monthly employer contribution that the Company (or its Subsidiary, as
applicable), would have made to provide health insurance to the Covered Executive if the Covered Executive had remained employed by the Company (or its Subsidiary, as applicable) for twelve (12) months after the Date of Termination, based on
the premiums as of the Date of Termination. 
 The amounts payable under Section 7(b) and (c), as applicable, shall be paid out in a lump sum within
sixty (60) days after the Date of Termination or the Change in Control, if later; provided, however, that if the 60-day period begins in one calendar year and ends in a second calendar year, the amounts
shall be paid in the second calendar year no later than the last day of the 60- day period. For the avoidance of doubt, the severance pay and benefits provided in this Section 7 shall apply in lieu of,
and expressly supersede, the provisions of Section 6 and no Covered Executive shall be entitled to the severance pay and benefits under both Section 6 and 7 hereof. 

8.    Additional Limitation. 

(a)    Anything in this Plan to the contrary notwithstanding, in the event that the amount of any compensation, payment or
distribution by the Company (or its Subsidiaries, as applicable), to or for the benefit of the Covered Executive, whether paid or payable or distributed or distributable pursuant to the terms of this Plan or otherwise, calculated in a manner
consistent with Section 280G of the Code and the applicable regulations thereunder (the “Aggregate Payments”), would be subject to the excise tax imposed by Section 4999 of the Code, then (i) if the Company has not
consummated a Public Offering, (A) the Aggregate Payments payable to such Covered Executive under this Plan shall be reduced (but not below zero) to the extent necessary so that the maximum Aggregate Payments shall not exceed the Threshold
Amount (the “Reduction Amount”), and (B) the Company shall use reasonable efforts to satisfy the ] shareholder approval requirements set forth in Q/A 7 of Treasury Regulations
Section 1.280G-1 with respect to such Reduction Amount, and if such requirements are satisfied then such Reduction Amount shall become payable hereunder as if subsection (A) above had not applied
thereto, and (ii) if the Company has consummated a Public Offering, the Aggregate Payments shall be reduced (but not below zero) by the Reduction Amount; provided that such reduction shall only occur if it would result in the Covered Executive
receiving a higher After Tax Amount (as defined below) than the Covered Executive would receive if the Aggregate Payments were not subject to such reduction. In the event of such reduction, the Aggregate Payments shall be reduced in the following
order, in each case, in reverse chronological order beginning with the Aggregate Payments that are to be paid the furthest in time from consummation of the transaction that is subject to Section 280G of the Code: (i) cash payments not
subject to Section 409A of the Code; (ii) cash payments subject to Section 409A of the Code; (iii) equity-based payments and acceleration; and (iv) non-cash forms of benefits; provided
that in the case of all the foregoing Aggregate Payments all amounts or payments that are not subject to calculation under Treas. Reg. §1.280G-1, Q&A-24(b) or
(c) shall be reduced before any amounts that are subject to calculation under Treas. Reg. §1.280G-1, Q&A-24(b) or (c). 

(b)    For purposes of this Section 8, the “After Tax Amount” means the amount of the Aggregate Payments
less all federal, state, and local income, excise and employment taxes imposed on the Covered Executive as a result of the Covered Executive’s receipt of the 

  
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Aggregate Payments. For purposes of determining the After Tax Amount, the Covered Executive shall be deemed to pay federal income taxes at the highest marginal rate of federal income taxation
applicable to individuals for the calendar year in which the determination is to be made, and state and local income taxes at the highest marginal rates of individual taxation in each applicable state and locality, net of the maximum reduction in
federal income taxes (if any) which could be obtained from deduction of such state and local taxes. For purposes of this Section 8, “Threshold Amount” shall mean three times the Covered Executive’s “base amount” within
the meaning of Section 280G(b)(3) of the Code and the regulations thereunder, less one dollar. 
 (c)    The
determination as to whether a reduction in the Aggregate Payments shall be made pursuant to Section 8(a) shall be made by the Accounting Firm, which shall provide detailed supporting calculations both to the Company and the Covered Executive
within fifteen (15) business days of the Date of Termination, if applicable, or at such other time as is reasonably requested by the Company or the Covered Executive. Any determination by the Accounting Firm shall be binding upon the Company
and the Covered Executive. 
 9.    Restrictive Covenants Agreement. As a condition to participating in the Plan,
each Covered Executive shall continue to comply with the terms and conditions contained in the Restrictive Covenants Agreements or similar agreement entered into between the Covered Executive and the Company and such other agreement(s) as designated
in the applicable Participation Agreement. If a Covered Executive has not entered into a Restrictive Covenants Agreement or similar agreement with the Company, he or she shall enter into such agreement prior to participating in the Plan. 

10.    Withholding. All payments made by the Company (or its Subsidiary, as applicable) under this Plan shall be
subject to any tax or other amounts required to be withheld by the Company under applicable law. 
 11.    Section
409A. 
 (a)    Anything in this Plan to the contrary notwithstanding, if at the time of the Covered
Executive’s “separation from service” within the meaning of Section 409A of the Code, the Company determines that the Covered Executive is a “specified employee” within the meaning of Section 409A(a)(2)(B)(i) of
the Code, then to the extent any payment or benefit that the Covered Executive becomes entitled to under this Plan would be considered deferred compensation subject to the twenty (20) percent additional tax imposed pursuant to
Section 409A(a) of the Code as a result of the application of Section 409A(a)(2)(B)(i) of the Code, such payment shall not be payable and such benefit shall not be provided until the date that is the earlier of (i) six (6) months and
one (1) day after the Covered Executive’s separation from service, or (ii) the Covered Executive’s death. If any such delayed cash payment is otherwise payable on an installment basis, the first payment shall include a catch-up payment covering amounts that would otherwise have been paid during the six-month period but for the application of this provision, and the balance of the
installments shall be payable in accordance with their original schedule. 
 (b)    The parties intend that this Plan
will be administered in accordance with 

  
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Section 409A of the Code and that all amounts payable hereunder shall be exempt from the requirements of such section as a result of being “short term deferrals” for purposes of
Section 409A of the Code to the greatest extent possible. To the extent that any provision of this Plan is not exempt from Section 409A of the Code and ambiguous as to its compliance with Section 409A of the Code, the provision shall
be read in such a manner to comply with Section 409A of the Code. Each payment pursuant to this Plan is intended to constitute a separate payment for purposes of Treasury Regulation
Section 1.409A-2(b)(2). The parties agree that this Plan may be amended, as reasonably requested by either party, and as may be necessary to fully comply with Section 409A of the Code and all related
rules and regulations in order to preserve the payments and benefits provided hereunder without additional cost to either party. 

(c)    To the extent that any payment or benefit described in this Plan constitutes
“non-qualified deferred compensation” under Section 409A of the Code, and to the extent that such payment or benefit is payable upon the Covered Executive’s termination of employment, then
such payments or benefits shall be payable only upon the Covered Executive’s “separation from service.” The determination of whether and when a separation from service has occurred shall be made in accordance with the presumptions set
forth in Treasury Regulation Section 1.409A-1(h). 
 (d)    All in-kind benefits provided and expenses eligible for reimbursement under this Plan shall be provided by the Company (or its Subsidiaries, as applicable), or incurred by the Covered Executive during the time periods
set forth in this Plan. All reimbursements shall be paid as soon as administratively practicable, but in no event shall any reimbursement be paid after the last day of the taxable year following the taxable year in which the expense was incurred.
The amount of in-kind benefits provided or reimbursable expenses incurred in one taxable year shall not affect the in-kind benefits to be provided or the expenses
eligible for reimbursement in any other taxable year (except for any lifetime or other aggregate limitation applicable to medical expenses). Such right to reimbursement or in-kind benefits is not subject to
liquidation or exchange for another benefit. 
 (e)    The Company and its Subsidiaries make no representation or
warranty and shall have no liability to the Covered Executive or any other person if any provisions of this Plan are determined to constitute deferred compensation subject to Section 409A of the Code but do not satisfy an exemption from, or the
conditions of, such Section. 
 12.    Notice and Date of Termination. 

(a)    Notice of Termination. A termination of the Covered Executive’s employment shall be communicated by
Notice of Termination from the Company (or its Subsidiary, as applicable) to the Covered Executive or vice versa in accordance with this Section 12. 

  
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 (b)    Notice to Covered Executive or the Company. Any notices,
requests, demands, and other communications provided for by this Plan shall be sufficient if in writing and delivered in person or sent by registered or certified mail, postage prepaid, to a Covered Executive at the last address the Covered
Executive has filed in writing with the Company (or its Subsidiary, as applicable), or to the Company at the following physical or email address: 

Unity Software Inc. 

Attention: Ruth Ann Keene, General Counsel 

30 3rd Street 

San Francisco, CA 94103 

ruthann@unity3d.com 

With a copy to: 

Unity Software Inc. 

Attention: John Riccitiello, Chief Executive Officer 

30 3rd Street 

San Francisco, CA 94103 

jr@unity3d.com 

13.    No Mitigation. The Covered Executive is not required to seek other employment or to attempt in any way to
reduce any amounts payable to the Covered Executive by the Company (or its Subsidiary, as applicable) under this Plan. 

14.    Benefits and Burdens. This Plan shall inure to the benefit of and be binding upon the Company (or its
Subsidiary, as applicable) and the Covered Executives, their respective successors, executors, administrators, heirs and permitted assigns. In the event of a Covered Executive’s death after a termination of employment but prior to the
completion by the Company (or its Subsidiary, as applicable) of all payments due to him or her under this Plan, the Company (or its Subsidiary, as applicable) shall continue such payments to the Covered Executive’s beneficiary designated in
writing to the Company (or its Subsidiary, as applicable) prior to his or her death (or to his or her estate, if the Covered Executive fails to make such designation). 

15.    Enforceability. If any portion or provision of this Plan shall to any extent be declared illegal or
unenforceable by a court of competent jurisdiction, then the remainder of this Plan, or the application of such portion or provision in circumstances other than those as to which it is so declared illegal or unenforceable, shall not be affected
thereby, and each portion and provision of this Plan shall be valid and enforceable to the fullest extent permitted by law. 

16.    Waiver. No waiver of any provision hereof shall be effective unless made in writing and signed by the
waiving party. The failure of any party to require the performance of any term or obligation of this Plan, or the waiver by any party of any breach of this Plan, shall not prevent any subsequent enforcement of such term or obligation or be deemed a
waiver of any subsequent breach. 
 17.    Non-Duplication of Benefits and
Effect on Other Plans. Notwithstanding any other provision in the Plan to the contrary, the benefits provided hereunder shall be in lieu of any other severance payments and/or benefits provided by the Company or any of its Subsidiaries,
including, without limitation, any such payments and/or benefits pursuant to an employment agreement or offer letter between the Company (or its Subsidiary, as applicable) and the Covered Executive. 

18.    No Contract of Employment. Nothing in this Plan shall be construed as giving any Covered Executive any right
to be retained in the employ of the Company or any of its Subsidiaries or shall affect the terms and conditions of a Covered Executive’s employment with the Company or any of its Subsidiaries. 

  
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 19.    Amendment or Termination of Plan. The Company may amend or
terminate this Plan at any time or from time to time, but no such action shall adversely affect the rights of any Covered Executive without the Covered Executive’s written consent. 

20.    Governing Law. This Plan shall be construed under and be governed in all respects by the laws of the State
of Delaware, without giving effect to the conflict of laws principles. 
 21.    Obligations of Successors. In
addition to any obligations imposed by law upon any successor to the Company, any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets of the Company shall
expressly assume and agree to perform this Plan in the same manner and to the same extent that the Company would be required to perform if no such succession had taken place. 

22.    Effectiveness and Term. The Senior Executive Severance Plan is effective as of June 12, 2019 (the
“Effective Date”). 

  
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 Exhibit A 

Covered Executives 
  

			
	 Individual
	  	 Title

	 Brett Bibby
	  	 Chief Product Officer

		
	 Clive Downie
	  	 Chief Marketing Officer

		
	 Danny Lange
	  	 VP, AI & Machine Learning

		
	 Dave Rhodes
	  	 Chief Revenue Officer

		
	 Ingrid Lestiyo
	  	 General Manager, Monetization

		
	 Joachim Ante
	  	 Chief Technology Officer

		
	 Luc Barthelet
	  	 VP, Cloud Services

		
	 Sylvio Drouin
	  	 VP, Unity Labs

		
	 Ralph Huawert
	  	 VP, R&D

  
 12EX-10.16

 Exhibit 10.16 

UNITY SOFTWARE INC. 

CASH INCENTIVE BONUS PLAN 

(Adopted August 14, 2020; Effective upon the effectiveness of the 

registration statement relating to the Company’s initial public offering) 

1. Purposes of the Plan. The Plan is intended to increase stockholder value and the success of the Company by motivating Employees
to (a) perform to the best of their abilities, and (b) achieve the Company’s objectives. 
 2. Definitions. 

(a) “Affiliate” means any corporation or other entity (including, but not limited to, partnerships and joint
ventures) controlled by the Company. 
 (b) “Actual Award” means as to any Performance Period, the actual award (if
any) payable to a Participant for the Performance Period, subject to the Committee’s authority under Section 3(d) to modify the award. 

(c) “Board” means the Board of Directors of the Company. 

(d) “Bonus Pool” means the pool of funds available for distribution to Participants. Subject to the terms of the Plan, the
Committee establishes the Bonus Pool for each Performance Period. 
 (e) “Code” means the Internal Revenue Code of 1986, as
amended. Reference to a specific section of the Code or regulation thereunder will include such section or regulation, any valid regulation promulgated thereunder, and any comparable provision of any future legislation or regulation amending,
supplementing or superseding such section or regulation. 
 (f) “Committee” means the committee appointed by the Board
(pursuant to Section 5) to administer the Plan. Unless and until the Board otherwise determines, the Board’s Compensation Committee will administer the Plan and be considered the Committee for purposes of the Plan. 

(g) “Company” means Unity Software Inc., a Delaware corporation, or any successor thereto. 

(h) “Employee” means any executive, officer, or key employee of the Company or of an Affiliate, whether such individual is so
employed at the time the Plan is adopted or becomes so employed subsequent to the adoption of the Plan. 
 (i) “Participant”
means as to any Performance Period, an Employee who has been selected by the Committee for participation in the Plan for that Performance Period. 

(j) “Performance Period” means the period of time for the measurement of the performance criteria that must be met to receive
an Actual Award, as determined by the Committee in its sole discretion. A Performance Period may be divided into one or more shorter periods if, for example, but not by way of limitation, the Committee desires to measure some performance criteria
over 12 months and other criteria over 3 months. 
 (k) “Plan” means this Unity Software Inc. Cash Incentive Bonus Plan
(including any appendix attached hereto) and as hereafter amended from time to time. 

 (l) “Target Award” means the target award, at 100% target level of
achievement, payable under the Plan to a Participant for the Performance Period, as determined by the Committee in accordance with Section 3(b). 

3. Selection of Participants and Determination of Awards. 

(a) Selection of Participants. The Committee, in its sole discretion, will select the Employees who will be Participants for any
Performance Period. Participation in the Plan is in the sole discretion of the Committee, on a Performance Period by Performance Period basis. Accordingly, an Employee who is a Participant for a given Performance Period in no way is guaranteed or
assured of being selected for participation in any subsequent Performance Period or Periods. 
 (b) Determination of Target
Awards. The Committee, in its sole discretion, will establish a Target Award for each Participant, which may be a percentage of a Participant’s annual base salary as of the beginning or end of the Performance Period or a fixed dollar
amount. 
 (c) Bonus Pool. Each Performance Period, the Committee, in its sole discretion, will establish a Bonus Pool, which
pool may be established before, during or after the applicable Performance Period. Actual Awards will be paid from the Bonus Pool. 

(d) Discretion to Modify Awards. Notwithstanding any contrary provision of the Plan, the Committee may, in its sole discretion and
at any time, (i) increase, reduce or eliminate a Participant’s Actual Award, and/or (ii) increase, reduce or eliminate the amount allocated to the Bonus Pool. The Actual Award may be below, at or above the Target Award, in the
Committee’s discretion. The Committee may determine the amount of any reduction on the basis of such factors as it deems relevant, and will not be required to establish any allocation or weighting with respect to the factors it considers. 

(e) Discretion to Determine Criteria. Notwithstanding any contrary provision of the Plan, the Committee will, in its sole
discretion, determine the performance goals applicable to any Target Award which may include, without limitation: earnings (including earnings per share and net earnings); earnings before interest, taxes and depreciation; earnings before interest,
taxes, depreciation and amortization; total stockholder return; return on equity or average stockholder’s equity; return on assets, investment, or capital employed; stock price; margin (including gross margin); income (before or after taxes);
operating income measures; operating income after taxes; pre-tax profit; operating cash flow; sales or revenue targets; increases in revenue or product revenue; expenses and cost reduction goals; improvement
in or attainment of working capital levels; economic value added (or an equivalent metric); market share; cash flow; cash flow per share; share price performance; debt reduction; bookings measures; customer satisfaction; stockholders’ equity;
capital expenditures; debt levels; operating profit or net operating profit; workforce diversity; growth of net income or operating income; billings; financing; regulatory milestones; stockholder liquidity; corporate governance and compliance;
intellectual property; personnel matters; progress of internal research; progress of partnered programs; partner satisfaction; budget management; partner or collaborator achievements; internal controls, including those related to the Sarbanes-Oxley
Act of 2002; investor relations, analysts and communication; implementation or completion of projects or processes; employee retention; number of users, including unique users; strategic partnerships or transactions (including in-licensing and out-licensing of intellectual property); establishing relationships with respect to the marketing, distribution and sale of the Company’s products;
supply chain achievements; co-development, co-marketing, profit sharing, joint venture or other similar arrangements; individual performance goals; corporate development
and planning goals; and other 

 
measures of performance selected by the Committee. As determined by the Committee, the performance goals may be based on GAAP or Non-GAAP results and any
actual results may be adjusted by the Committee for one-time items, unbudgeted or unexpected items and/or payments of Actual Awards under the Plan when determining whether the performance goals have been met.
The goals may be on the basis of any factors the Committee determines relevant, and may be on an individual, divisional, business unit or Company-wide basis. The performance goals may differ from Participant to Participant and from award to award.
Failure to meet the goals will result in a failure to earn the Target Award, except as provided in Section 3(d). 
 4. Payment
of Awards. 
 (a) Right to Receive Payment. Each Actual Award will be paid solely from the general assets of the Company.
Nothing in this Plan will be construed to create a trust or to establish or evidence any Participant’s claim of any right other than as an unsecured general creditor with respect to any payment to which he or she may be entitled. 

(b) Timing of Payment. To receive an Actual Award a Participant must be employed by the Company or any Affiliate on the date the
Actual Award is paid. Accordingly, an Actual Award is not considered earned until paid. It is the intent that this Plan be exempt from, or comply with, the requirements of Code Section 409A so that none of the payments to be provided hereunder
will be subject to the additional tax imposed under Code Section 409A, and any ambiguities herein will be interpreted to so comply. Each payment under this Plan is intended to constitute a separate payment for purposes of Treasury Regulation Section 1.409A-2(b)(2). 
 (c) Form of Payment. Each Actual Award will be paid in cash (or
its equivalent) in a single lump sum. 
 5. Plan Administration. 

(a) Committee is the Administrator. The Plan will be administered by the Committee. The Committee will consist of not less than two
(2) members of the Board. The members of the Committee will be appointed from time to time by, and serve at the pleasure of, the Board. 

(b) Committee Authority. It will be the duty of the Committee to administer the Plan in accordance with the Plan’s provisions.
The Committee will have all powers and discretion necessary or appropriate to administer the Plan and to control its operation, including, but not limited to, the power to (i) determine which Employees will be granted awards,
(ii) prescribe the terms and conditions of awards, (iii) interpret the Plan and the awards, (iv) adopt such procedures and sub-plans as are necessary or appropriate to permit participation in
the Plan by Employees who are foreign nationals or employed outside of the United States, (v) adopt rules for the administration, interpretation and application of the Plan as are consistent therewith, and (vi) interpret, amend or revoke
any such rules. 
 (c) Decisions Binding. All determinations and decisions made by the Committee, the Board, and any delegate of
the Committee pursuant to the provisions of the Plan will be final, conclusive, and binding on all persons, and will be given the maximum deference permitted by law. 

(d) Delegation by Committee. The Committee, in its sole discretion and on such terms and conditions as it may provide, may delegate
all or part of its authority and powers under the Plan to one or more directors and/or officers of the Company. 

 (e) Indemnification. Each person who is or will have been a member of the
Committee will be indemnified and held harmless by the Company against and from (i) any loss, cost, liability, or expense that may be imposed upon or reasonably incurred by him or her in connection with or resulting from any claim, action,
suit, or proceeding to which he or she may be a party or in which he or she may be involved by reason of any action taken or failure to act under the Plan or any award, and (ii) from any and all amounts paid by him or her in settlement thereof,
with the Company’s approval, or paid by him or her in satisfaction of any judgment in any such claim, action, suit, or proceeding against him or her, provided he or she will give the Company an opportunity, at its own expense, to handle and
defend the same before he or she undertakes to handle and defend it on his or her own behalf. The foregoing right of indemnification will not be exclusive of any other rights of indemnification to which such persons may be entitled under the
Company’s Certificate of Incorporation or Bylaws, by contract, as a matter of law, or otherwise, or under any power that the Company may have to indemnify them or hold them harmless. 

6. General Provisions. 

(a) Taxes. The Company will withhold all applicable taxes from any Actual Award, including any federal, state and local taxes. 

(b) No Effect on Employment or Service. Nothing in the Plan will interfere with or limit in any way the right of the Company to
terminate any Participant’s employment or service at any time, with or without cause. Employment with the Company and its Affiliates is on an at-will basis only. The Company expressly reserves the right,
which may be exercised at any time and without regard to when during a Performance Period such exercise occurs, to terminate any individual’s employment with or without cause, and to treat him or her without regard to the effect that such
treatment might have upon him or her as a Participant. 
 (c) Participation. No Employee will have the right to be selected to
receive an award under this Plan, or, having been so selected, to be selected to receive a future award. 
 (d) Successors. All
obligations of the Company under the Plan, with respect to awards granted hereunder, will be binding on any successor to the Company, whether the existence of such successor is the result of a direct or indirect purchase, merger, consolidation, or
otherwise, of all or substantially all of the business or assets of the Company. 
 (e) Nontransferability of Awards. No award
granted under the Plan may be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated, other than by will, by the laws of descent and distribution. All rights with respect to an award granted to a Participant will be available
during his or her lifetime only to the Participant. 
 7. Amendment, Termination, and Duration. 

(a) Amendment, Suspension, or Termination. The Committee, in its sole discretion, may amend or terminate the Plan, or any part
thereof, at any time and for any reason. The amendment, suspension or termination of the Plan will not, without the consent of the Participant, alter or impair any rights or obligations under any Actual Award theretofore earned by such Participant.
No award may be granted during any period of suspension or after termination of the Plan. 

 (b) Duration of Plan. The Plan will commence on the date specified herein, and
subject to Section 7(a) (regarding the Committee’s right to amend or terminate the Plan), will remain in effect until terminated. 

8. Legal Construction. 

(a) Gender and Number. Except where otherwise indicated by the context, any masculine term used herein also will include the
feminine; the plural will include the singular and the singular will include the plural. 
 (b) Severability. In the event any
provision of the Plan will be held illegal or invalid for any reason, the illegality or invalidity will not affect the remaining parts of the Plan, and the Plan will be construed and enforced as if the illegal or invalid provision had not been
included. 
 (c) Requirements of Law. The granting of awards under the Plan will be subject to all applicable laws, rules and
regulations, and to such approvals by any governmental agencies or national securities exchanges as may be required. 
 (d) Governing
Law. The Plan will be construed in accordance with and governed by the laws of the State of Delaware, but without regard to its conflict of law provisions. 

(e) Bonus Plan. The Plan is intended to be a “bonus program” as defined under U.S. Department of Labor regulation 2510.3-2(c) and will be construed and administered in accordance with such intention. 

(f) Captions. Captions are provided herein for convenience only, and will not serve as a basis for interpretation or construction
of the Plan.

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