Document:

Exhibit 4.3

 

FIRST SUPPLEMENTAL INDENTURE

 

FIRST SUPPLEMENTAL INDENTURE
(this “Supplemental Indenture”), dated as of May 14, 2021, among WV Wind Holdings LLC (the “Guaranteeing Subsidiary”),
a subsidiary of Clearway Energy Operating LLC (or its permitted successor), a Delaware limited liability company (the “Company”),
the Company, the other Guarantors (as defined in the Indenture referred to herein) and Delaware Trust Company, as trustee under the Indenture
referred to below (the “Trustee”).

 

W I T N E S S E T H

 

WHEREAS, the Company has heretofore
executed and delivered to the Trustee an indenture (the “Indenture”), dated as of March 9, 2021 providing for the issuance
of 3.750% Senior Notes due 2031 (the “Notes”);

 

WHEREAS, the Indenture provides
that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant
to which the Guaranteeing Subsidiary shall fully and unconditionally guarantee all of the Company’s Obligations under the Notes
and the Indenture on the terms and conditions set forth herein (the “Subsidiary Guarantee”); and

 

WHEREAS, pursuant to Sections
4.10 and 9.01 of the Indenture, the Trustee, the Company and the other Guarantors are authorized to execute and deliver this Supplemental
Indenture.

 

NOW, THEREFORE, in consideration
of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Guaranteeing Subsidiary
and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows:

 

1.              CAPITALIZED
TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

 

2.              AGREEMENT
TO GUARANTEE. The Guaranteeing Subsidiary hereby becomes a party to the Indenture as a Guarantor and as such will have all the rights
and be subject to all the Obligations and agreements of a Guarantor under the Indenture. The Guaranteeing Subsidiary hereby agrees to
provide a full and unconditional Guarantee on the terms and subject to the conditions set forth in the Subsidiary Guarantee and in the
Indenture including but not limited to Article 10 thereof.

 

3.               NO
RECOURSE AGAINST OTHERS. No director, officer, employee, incorporator or stockholder of the Company or any Guarantor, as such, will have
any liability for any obligations of the Company or the Guarantors under the Notes, this Indenture, the Subsidiary Guarantees or for
any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of Notes by accepting a Note waives
and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. The waiver may not be
effective to waive liabilities under the federal securities laws.

 

     

     

    

 

4.              NEW
YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE WITHOUT
GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD
BE REQUIRED THEREBY.

 

5.             
COUNTERPARTS. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original,
but all of them together represent the same agreement.

 

6.             
EFFECT OF HEADINGS. The Section headings herein are for convenience only and shall not affect the construction hereof.

 

7.              THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency
of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing
Subsidiary and the Company.

 

8.             
RATIFICATION OF INDENTURE; SUPPLEMENTAL INDENTURE FOR ADDITIONAL GUARANTEES PART OF INDENTURE. Except as expressly amended
hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full
force and effect. This Supplemental Indenture for Additional Guarantees shall form a part of the Indenture for all purposes, and every
Holder of Notes heretofore or hereafter authenticated and delivered shall by bound hereby.

 

9.            
ELECTRONIC SIGNATURES. Each of the transaction parties agrees on behalf of itself, and any Person acting or claiming by,
under or through such transaction party, that any written instrument delivered in connection with this Supplemental Indenture, the Indenture
or any related document, including without limitation any amendments or supplements to such documents, may be executed by electronic methods
(whether by .pdf scan or utilization of an electronic signature platform or application). Any electronic signature document delivered
via email from an Officer of the Company, any Guaranteeing Subsidiary or any other Guarantor to the Trustee shall be considered signed
or executed by such person on behalf of the Company, such Guaranteeing Subsidiary, or such other Guarantor, as applicable. Each of the
Company, the Guaranteeing Subsidiary, and the other Guarantors agree to assume all risks arising out of the use of electronic methods
for all purposes including the authorization, execution, delivery, or submission of documents, instruments, notices, directions,
instructions, reports, opinions and certificates to the Trustee, including without limitation the risk of the Trustee acting on unauthorized
instructions, and the risk of interception and misuse by third parties. Any electronic signature shall have the same legal validity and
enforceability as a manually executed signature to the fullest extent permitted by applicable law, including the Federal Electronic Signatures
in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any similar federal or state law, rule
or regulation, as the same may be in effect from time to time, and the parties hereby waive any objection to the contrary. Any document
accepted, executed or agreed to in conformity with such laws will be binding on all parties hereto to the same extent as if it were physically
executed and each party hereby consents to the use of any third party electronic signature capture service providers as may be reasonably
chosen by a signatory hereto.

 

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IN WITNESS WHEREOF, the parties
hereto have caused this Supplemental Indenture to be duly executed and attested, all as of the date first above written.

 

		WV WIND HOLDINGS LLC
	 	 
		By:	/s/ Chad Plotkin
		Name:	 Chad Plotkin
	 	Title: Vice President & Treasurer 
	 	 
		CLEARWAY ENERGY OPERATING LLC CLEARWAY ENERGY

                                                                                LLC DGPV HOLDING LLC

	 	 
		By:	/s/ Chad Plotkin
		Name:	Chad Plotkin
	 	Title: Senior Vice President, Chief Financial Officer & Treasurer 

 

[Signature Page to First
Supplemental Indenture]

 

     

     

    

 

	
    

 
	

ALTA WIND 1-5 HOLDING COMPANY, LLC

    ALTA WIND COMPANY, LLC

    CBAD HOLDINGS II, LLC

    CENTRAL CA FUEL CELL 1, LLC

    CLEARWAY SOLAR STAR LLC

    CWEN PINNACLE REPOWERING HOLDINGS
    LLC

    CWSP RATTLESNAKE HOLDING LLC

    DAGGETT SOLAR HOLDCO LLC

    DG-CS HOLDINGS LLC

    DG SREC HOLDCO LLC

    ECP UPTOWN CAMPUS HOLDINGS LLC

    ENERGY CENTER CAGUAS HOLDINGS LLC

    ENERGY CENTER FAJARDO HOLDINGS LLC

    ENERGY CENTER HONOLULU HOLDINGS LLC

    FUEL CELL HOLDINGS LLC

    LANGFORD HOLDING LLC

    LIGHTHOUSE RENEWABLE HOLDINGS LLC

    NIMH SOLAR HOLDINGS LLC

    OCOTILLO WINDPOWER HOLDINGS LLC

    PORTFOLIO SOLAR I, LLC

    ROSAMOND SOLAR HOLDCO LLC

    RPV HOLDING LLC

    SOLAR FLAGSTAFF ONE LLC

    SOLAR IGUANA LLC

    SOLAR LAS VEGAS MB 1 LLC

    SOLAR TABERNACLE LLC

    SOUTH TRENT HOLDINGS LLC

    SPP ASSET HOLDINGS, LLC

    SPP FUND II HOLDINGS, LLC

    SPP FUND II, LLC

    SPP FUND II-B, LLC

    SPP FUND III, LLC

    THERMAL CANADA INFRASTRUCTURE HOLDINGS
    LLC

    THERMAL HAWAII DEVELOPMENT HOLDINGS
    LLC

    THERMAL INFRASTRUCTURE DEVELOPMENT
    HOLDINGS LLC

    UB FUEL CELL, LLC

    UTAH SOLAR MASTER HOLDCO LLC

    

 

		By:	/s/ Chad Plotkin
		Name:	Chad Plotkin
		Title: Vice President & Treasurer

 

[Signature Page to First
Supplemental Indenture]

 

     

     

    

 

	DELAWARE TRUST COMPANY	 
	 	 
	By:	/s/
    Benjamin Hancock	
	 	Authorized Signatory	 

 

[Signature Page to First
Supplemental Indenture]Exhibit 10.1

 

EXECUTION COPY

 

TRANSITION, SEPARATION AND RELEASE OF CLAIMS
AGREEMENT

 

This Transition, Separation
and Release of Claims Agreement (the “Agreement”) is made as of the Agreement Effective Date (as defined below) by
and between Voyager Therapeutics, Inc. (the “Company”) and Gaetan Andre Turenne (“Executive”) (together,
the “Parties”).

 

WHEREAS,
the Company and Executive are parties to the Employment Agreement dated as of June 28, 2018 (the “Employment Agreement”),
under which Executive currently serves as President and Chief Executive Officer of the Company;

 

WHEREAS,
the Parties have agreed to establish terms for Executive’s transition and separation from employment with the Company; and

 

WHEREAS,
the Parties agree that the payments, benefits and rights set forth in this Agreement shall be the exclusive payments, benefits and rights
due Executive in connection with his transition and separation from employment with the Company;

 

NOW,
THEREFORE, in consideration of the mutual covenants and agreements contained herein, and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the Parties hereby agree as follows:

 

		1.	Separation Date; Resignation from Position(s); Transition Period - 
 

                                                                                                                          (a)        Executive and the Company have mutually agreed that Executive’s effective
                                                                                                                          date of separation from employment with the Company, including specifically from his position as President and Chief Executive
                                                                                                                          Officer of the Company and from any and all other positions he holds as an officer of the Company or any subsidiary, will be (i) the
                                                                                                                          date of the Company’s 2021 Annual Meeting of Stockholders (the “2021 Annual Meeting”), which is currently
                                                                                                                          scheduled to be held on June 3, 2021 or (ii) such earlier date as may be mutually agreed upon by the Company and Executive (the
                                                                                                                          “Separation Date”). As a result of this Agreement with the Company, Executive hereby resigns, as of the
                                                                                                                          Separation Date, from his position as President and Chief Executive Officer and from any and all other positions he holds as an
                                                                                                                          officer of the Company or any subsidiary of the Company. Further, Executive hereby provides notice, and hereby resigns, as a member
                                                                                                                          of the Company’s Board of Directors (the “Board”) immediately following adjournment of the 2021 Annual Meeting, and as a member of
                                                                                                                          the Board of Directors of any subsidiary of the Company. Executive agrees to execute and deliver any documents reasonably necessary
                                                                                                                          to effectuate such resignations as requested by the Company.

 

(b)        As of the Agreement Effective Date,
the Employment Agreement will terminate and be of no further force or effect; provided, however, that Executive’s Confidentiality,
Noncompetition and Assignment Agreement dated June 28, 2018, attached hereto as Attachment B, into which Executive previously entered
in connection with his employment by the Company (the “Restrictive Covenants Agreement”) shall remain in full force
and effect both during the Transition Period (as defined below) and thereafter. Notwithstanding the foregoing, the Company retains the
right to terminate Executive’s employment prior to the Separation Date for Cause (as defined in the Employment Agreement).

 

(c)         The period between the Agreement Effective Date and the Separation Date will be a transition period (the “Transition Period”).
During the Transition Period, Executive will consult with the Chairman of the Board of the Company (the “Chairman”)
in advance of making any decisions or undertaking any activities that could have a material effect on the business or operations of the
Company, including communications to employees, partners, vendors and other parties regarding his transition. Executive further agrees
that, during the Transition Period, Executive will work cooperatively with the Chairman, and will use his best efforts to professionally,
timely and cooperatively perform such additional activities as may be reasonably requested by the Chairman, including, without limitation,
assisting with the transition of his duties and responsibilities to the Chairman and the transition of matters related to his operating
duties and responsibilities to appropriate employees of the Company, as requested by the Chairman. During the Transition Period, Executive
will continue to receive his current base salary, to participate in the Company’s benefit plans (pursuant to the terms and conditions
of such plans) and to be entitled to vacation time in accordance with Company policy.

 

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(d)        In connection with Executive’s separation from employment, Executive shall be paid, in accordance with applicable law and the Company’s
regular payroll practices, all unpaid base salary earned through his Separation Date, any amounts for accrued unused vacation time to
which Executive is entitled through such date in accordance with Company policy, and reimbursement of any properly incurred unreimbursed
business expenses incurred through such date (together, the “Accrued Obligations”). As of Executive’s Separation
Date, all salary payments from the Company will cease and any benefits Executive had as of such date under Company-provided benefit plans,
programs, or practices will terminate, except as required by federal or state law or as otherwise specifically set forth in this Agreement.
For the avoidance of doubt, Executive may, if eligible, elect to continue receiving group medical insurance pursuant to applicable
 “COBRA” law (COBRA materials containing details regarding such benefits will be provided to Executive under separate cover
in accordance with applicable law).

 

		2.	Consideration – In consideration of Executive’s entering into and abiding by
the commitments and obligations set forth in this Agreement, and provided Executive (i) signs and returns this Agreement at or before
2:00 p.m. Eastern time on Wednesday, May 19, 2021, (ii) continues employment through the Separation Date in accordance with the terms
hereof, and (iii) signs and returns the Additional Release of Claims attached hereto as Attachment A (the “Additional Release”)
no earlier than the Separation Date but by the later of the Separation Date and the twenty-second (22nd) day after the Receipt
Date, and does not timely revoke such Additional Release, and (iv) complies with the terms of this Agreement, the Additional Release,
and the Restrictive Covenants Agreement, the Company will provide Executive with the following (the “Consideration”):

(a)         Severance Pay – Commencing on the Company’s first regularly scheduled payroll date that follows the Additional
Release Effective Date (as defined below) (the “Payment Commencement Date”), and continuing for twelve (12) months
following the Payment Commencement Date (the “Severance Payment Period”), Executive will receive during the Severance
Payment Period severance pay in the form of salary continuation payments, less all applicable taxes and withholdings, in accordance with
the Company’s regular payroll practices, resulting in an aggregate payment to Executive of an amount equal to Executive’s
annualized base salary in effect on the Separation Date.

 

(b)        Group
Health Insurance – Should Executive be eligible for and timely elect to continue receiving group health and/or dental insurance
coverage under the law known as COBRA, the Company shall, commencing on the Separation Date, and continuing until the earlier of (x) the
date that is twelve (12) months following the Separation Date, and (y) the end of the calendar month in which Executive becomes eligible
to receive group health insurance coverage under another employer’s benefit plan (the “COBRA Contribution Period”),
pay on Executive’s behalf the portion of the premium for such coverage that it pays on behalf of active and similarly situated employees
receiving the same type of coverage. The balance of such premiums during the COBRA Contribution Period (if any and to the extent not required
to be paid by the Company pursuant to applicable law), and all premium costs after the COBRA Contribution Period, shall be paid by Executive
on a monthly basis during the elected period of health insurance coverage under COBRA for as long as, and to the extent that, he remains
eligible for and elects to remain enrolled in COBRA continuation coverage. Executive agrees that, should he become eligible for group
health insurance coverage from another employer prior to the date that is twelve (12) months following the Separation Date, he will so
inform the Company in writing within five (5) business days of becoming eligible for such coverage.

 

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(c)       2021
Bonus – The Company shall provide Executive with a prorated annual bonus payment for calendar year 2021 in the amount calculated
by multiplying 100% of Executive’s current target bonus by a fraction, the numerator of which is the number of days in 2021 up to
the Separation Date and the denominator of which equals 365, less applicable taxes and withholdings (the “2021 Bonus Payment”).
The 2021 Bonus Payment shall be divided by the number of regularly scheduled pay periods occurring during the Severance Pay Period, and
the quotient of such division shall be paid, less all applicable taxes and withholdings, to Executive in accordance with the Company’s
regular payroll practices commencing on the Payment Commencement Date.

 

(d)       Equity
Award Acceleration/Extension of Option Exercise Period – Effective as of the Additional Release Effective Date, the vesting
of each outstanding equity award granted to the Executive by the Company (each, an “Equity Award”) shall accelerate
and such Equity Awards shall become free from forfeiture with respect to the number of shares of Company common stock that would have
become vested and free from forfeiture had the Executive remained employed with the Company for a period of twelve (12) months following
the Separation Date. With respect to any Equity Awards in the form of restricted stock units, upon the vesting of such awards pursuant
to the previous sentence, the Company shall retain from the shares of Company common stock that would otherwise be delivered to the Executive
a number of shares having a value equal to the minimum statutory withholding due with respect to the vesting of such restricted stock
units. With respect to any Equity Awards in the form of stock options, such options shall be exercisable for a period of fifteen (15)
months following the Separation Date (but in no event later than the original expiration date of such options), and shall be treated as
nonqualified stock options for tax purposes even if such options were intended to be incentive stock option at the time of grant. Except
as otherwise set forth in this Section 2(d), the Equity Awards shall remain subject to the terms of the applicable Equity Award agreement
and the plan under which each such Equity Award was granted. The portion of each stock option that does not vest on the Additional Release
Effective Date shall be cancelled and terminated as of the Separation Date and shall be of no further force or effect following the Separation
Date.

 

Other than the Consideration and the
Accrued Obligations, Executive will not be eligible for, nor shall he have a right to receive, any payments or benefits from the Company
following the Separation Date.

 

For the avoidance of doubt, Executive
acknowledges that he is not eligible for or entitled to receive any severance benefits pursuant to the Employment Agreement, and further
acknowledges that he will not be eligible to receive the Consideration (or any payments or benefits from the Company other than the Accrued
Obligations) if he fails to timely enter into this Agreement and the Additional Release or if his employment is terminated by the Company
for Cause or by him for any reason prior to the Separation Date, or if he fails to comply with his obligations under this Agreement or
the Restrictive Covenants Agreement.

 

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		3.	Release of Claims – In exchange for the consideration set forth in this Agreement,
which Executive acknowledges he would not otherwise be entitled to receive, Executive hereby fully, forever, irrevocably and unconditionally
releases, remises and discharges the Company, its affiliates, subsidiaries, parent companies, predecessors, and successors, and all of
its and their respective past and present officers, directors, stockholders, partners, members, employees, agents, representatives, plan
administrators, attorneys, insurers and fiduciaries (each in their individual and corporate capacities) (collectively, the “Released
Parties”) from any and all claims, charges, complaints, demands, actions, causes of action, suits, rights, debts, sums of money,
costs, accounts, reckonings, covenants, contracts, agreements, promises, doings, omissions, damages, executions, obligations, liabilities,
and expenses (including attorneys’ fees and costs), of every kind and nature that Executive ever had or now has against any or all
of the Released Parties up to the date on which he signs this Agreement, whether known or unknown, including, but not limited to, any
and all claims arising out of or relating to Executive’s employment with or separation from, and/or ownership of securities of the
Company, including, but not limited to, all claims under Title VII of the Civil Rights Act of 1964, 42 U.S.C. § 2000e et seq.,
the Americans With Disabilities Act of 1990, 42 U.S.C. § 12101 et seq., the Genetic Information Nondiscrimination Act of 2008,
42 U.S.C. § 2000ff et seq., the Family and Medical Leave Act, 29 U.S.C. § 2601 et seq., the Worker Adjustment
and Retraining Notification Act (“WARN”), 29 U.S.C. § 2101 et seq., the Rehabilitation Act of 1973, 29 U.S.C.
 § 701 et seq., Executive Order 11246, Executive Order 11141, the Fair Credit Reporting Act, 15 U.S.C. § 1681 et seq.,
and the Employee Retirement Income Security Act of 1974 (“ERISA”), 29 U.S.C. § 1001 et seq., all as amended; all
claims arising out of the Massachusetts Fair Employment Practices Act, Mass. Gen. Laws ch. 151B, § 1 et seq., the Massachusetts
Civil Rights Act, Mass. Gen. Laws ch. 12, §§ 11H and 11I, the Massachusetts Equal Rights Act, Mass. Gen. Laws. ch. 93, §
102 and Mass. Gen. Laws ch. 214, § 1C, the Massachusetts Labor and Industries Act, Mass. Gen. Laws ch. 149, § 1 et seq.,
Mass. Gen. Laws ch. 214, § 1B (Massachusetts right of privacy law), the Massachusetts Maternity Leave Act, Mass. Gen. Laws ch. 149,
 § 105D, and the Massachusetts Small Necessities Leave Act, Mass. Gen. Laws ch. 149, § 52D, all as amended; all rights and claims
under the Massachusetts Wage Act, Mass. Gen. Laws ch. 149, § 148 et seq., as amended (Massachusetts law regarding payment
of wages and overtime), including any rights or claims thereunder to unpaid wages, including overtime, bonuses, commissions, and accrued,
unused vacation time); all common law claims including, but not limited to, actions in defamation, intentional infliction of emotional
distress, misrepresentation, fraud, wrongful discharge, and breach of contract (including, without limitation, all claims arising out
of or related to the Employment Agreement); all claims to any non-vested ownership interest in the Company, contractual or otherwise (except
for any such interests that continue to vest during the Transition Period due to Executive’s continued employment during such period);
all state and federal whistleblower claims to the maximum extent permitted by law; and any claim or damage arising out of Executive’s
employment with and/or separation from the Company (including a claim for retaliation) under any common law theory or any federal, state
or local statute or ordinance not expressly referenced above; provided, however, that this release of claims shall not (i) prevent Executive
from filing a charge with, cooperating with, or participating in any investigation or proceeding before, the Equal Employment Opportunity
Commission or a state fair employment practices agency (except that Executive acknowledges that he may not recover any monetary benefits
in connection with any such charge, investigation, or proceeding, and Executive further waives any rights or claims to any payment, benefit,
attorneys’ fees or other remedial relief in connection with any such charge, investigation or proceeding), (ii) deprive Executive
of his rights with respect to the Consideration, or any vested rights under any employee benefit plan or policy, stock plan or deferred
compensation arrangement, or any health care continuation to the extent required by applicable law; (iii) deprive Executive of any rights
Executive may have to be indemnified by the Company as provided in any agreement between the Company and Executive or pursuant to the
Company’s Certificate of Incorporation or by-laws; or (iv) apply to any claims under the Age Discrimination in Employment Act.

 

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		4.	Ongoing Obligations – Executive acknowledges and reaffirms his obligation, except
as otherwise permitted by Section 8 below, both during the Transition Period and thereafter, to keep confidential and not to use or disclose
any and all non-public information concerning the Company acquired by him during the course of his employment with the Company, including,
but not limited to, any non-public information concerning the Company’s business, operations, products, programs, affairs, performance,
personnel, technology, science, intellectual property, plans, strategies, approaches, prospects, financial condition or development related
matters. Executive also acknowledges all of his continuing obligations pursuant to the Restrictive Covenants Agreement, which survive
his separation from employment with the Company and shall remain in full force and effect.

 

		5.	Non-Disparagement – Executive understands and agrees that, except as otherwise permitted
by Section 8 below, he will not, either during the Transition Period or thereafter, in public or private, make any false, disparaging,
negative, critical, adverse, derogatory or defamatory statements, whether orally or in writing, including online (including, without limitation,
on any social media, networking, or employer review site) or otherwise, to any person or entity, including, but not limited to, any media
outlet, industry group, key opinion leader, financial institution, research analyst or current or former employee, board member, consultant,
shareholder, client or customer of the Company, regarding the Company, or any of the other Released Parties, or regarding the Company’s
business, operations, products, programs, affairs, performance, personnel, technology, science, intellectual property, plans, strategies,
approaches, prospects, financial condition or development related matters. For the avoidance of doubt, the foregoing shall not prevent
Executive from stating or repeating factual information with respect to the Company or its assets which is otherwise publicly available.
The Company agrees to instruct the members of its management team not to, either during the Transition Period or thereafter, in public
or private, make any false or defamatory statements, whether orally or in writing, including online (including, without limitation, on
any social media or networking site) or otherwise, to any person or entity, including, but not limited to, any media outlet, industry
group, key opinion leader, financial institution, research analyst or current or former employee, board member, consultant, shareholder,
client or customer of the Company, regarding Executive; provided, however, that nothing herein shall be construed as requiring the Company
to issue an instruction limiting or restricting such individuals from engaging in discussions in the regular course of business about
Executive’s work during the Transition Period, or from disclosing events or circumstances in such manner as they or the Company
deem necessary to comply with or satisfy their or the Company’s disclosure, reporting or other obligations under applicable law.

 

		6.	Return of Company Property – Executive confirms that, no later than the Separation
Date (or at such earlier time as requested by the Company), he will return to the Company all property of the Company, tangible or intangible,
including but not limited to keys, files, records (and copies thereof), equipment (including, but not limited to, computer hardware, software
and printers, wireless handheld devices, cellular phones, tablets, etc.), Company identification and any other Company-owned property
in his possession or control and that he will leave intact all electronic Company documents, including but not limited to those that he
developed or helped to develop during his employment. Executive further confirms that, no later than the Separation Date (or at such earlier
time as requested by the Company), he will cancel all accounts for his benefit, if any, in the Company’s name, including but not
limited to, credit cards, telephone charge cards, cellular phone and/or wireless data accounts and computer accounts.

 

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		7.	Confidentiality – Executive understands and agrees that, except as otherwise permitted
by Section 8 below, the contents of the negotiations and discussions resulting in this Agreement shall be maintained as confidential by
Executive and his agents and representatives and shall not be disclosed except as otherwise agreed to in writing by the Company and except
to his immediate family, legal, financial and tax advisors, on the condition that any individuals so informed must hold the above information
in strict confidence.

 

		8.	Scope of Disclosure Restrictions – Nothing in this Agreement or elsewhere prohibits
Executive from communicating with government agencies about possible violations of federal, state, or local laws or otherwise providing
information to government agencies, filing a complaint with government agencies, or participating in government agency investigations
or proceedings. Executive is not required to notify the Company of any such communications; provided, however, that nothing herein authorizes
the disclosure of information Executive obtained through a communication that was subject to the attorney-client privilege. Further, notwithstanding
Executive’s confidentiality and nondisclosure obligations, Executive is hereby advised as follows pursuant to the Defend Trade Secrets
Act: “An individual shall not be held criminally or civilly liable under any Federal or State trade secret law for the disclosure
of a trade secret that (A) is made (i) in confidence to a Federal, State, or local government official, either directly or indirectly,
or to an attorney; and (ii) solely for the purpose of reporting or investigating a suspected violation of law; or (B) is made in a complaint
or other document filed in a lawsuit or other proceeding, if such filing is made under seal. An individual who files a lawsuit for retaliation
by an employer for reporting a suspected violation of law may disclose the trade secret to the attorney of the individual and use the
trade secret information in the court proceeding, if the individual (A) files any document containing the trade secret under seal; and
(B) does not disclose the trade secret, except pursuant to court order.”

 

		9.	Post-Employment Assistance and Cooperation – For a period of one (1) year following
the Separation Date, Executive agrees to provide reasonable and good faith transition assistance to the Company, including as may be reasonably
requested by the Chairman and as otherwise required to support the transition of his duties. Executive acknowledges and agrees that the
Consideration constitutes sufficient compensation and consideration for the performance of such assistance after the Separation Date,
and that Executive will not be entitled to any additional compensation for such assistance, except as set forth below with respect to
Disputes (defined below) or unless approved in writing by the Chairman.

 

Executive
agrees that, to the extent permitted by law, Executive shall cooperate fully with the Company in the investigation, defense or prosecution
of any claims or actions which already have been brought, are currently pending, or which may be brought in the future against the Company
by a third party or by or on behalf of the Company against any third party, whether before a state or federal court, any state or federal
government agency, or a mediator or arbitrator (“Disputes”). Executive’s full cooperation in connection with
such Disputes shall include, but not be limited to, being available to meet with the Company’s counsel, at reasonable times and
locations designated by the Company, to investigate or prepare the Company’s claims or defenses, to prepare for trial or discovery
or an administrative hearing, mediation, arbitration or other proceeding, to provide any relevant information in his possession, and to
act as a witness when requested by the Company. The Company will reimburse Executive for all reasonable and documented out of pocket costs
that he incurs to comply with this paragraph. The Company will also pay Executive an hourly consulting fee of $300 per hour for time spent
assisting on a Dispute in accordance with this paragraph, provided, however, that the Company will not pay Executive for the first two
hours of time spent cooperating on any given matter or issue, and further provided that the Company will not at any time pay Executive
any fee for time spent providing testimony in any arbitration, trial, administrative hearing or other proceeding. Executive further agrees
that, to the extent permitted by law, he will notify the Company promptly in the event that he is served with a subpoena (other than a
subpoena issued by a government agency), or in the event that he is asked to provide a third party (other than a government agency) with
information concerning any actual or potential complaint or claim against the Company.

 

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		10.	Amendment and Waiver – This Agreement and the Additional Release, upon their respective
effective dates, shall be binding upon the Parties and may not be modified in any manner, except by an instrument in writing of concurrent
or subsequent date signed by duly authorized representatives of the Parties. This Agreement and the Additional Release are binding upon
and shall inure to the benefit of the Parties and their respective agents, assigns, heirs, executors/administrators/personal representatives,
and successors. No delay or omission by the Company in exercising any right under this Agreement or the Additional Release shall operate
as a waiver of that or any other right. A waiver or consent given by the Company on any one occasion shall be effective only in that instance
and shall not be construed as a bar to or waiver of any right on any other occasion.

 

		11.	Validity – Should any provision of this Agreement or the Additional Release be declared
or be determined by any court of competent jurisdiction to be illegal or invalid, the validity of the remaining parts, terms or provisions
shall not be affected thereby and said illegal or invalid part, term or provision shall be deemed not to be a part of this Agreement or
the Additional Release.

 

		12.	Nature of Agreement – Both Parties understand and agree that this Agreement is a separation
and release of claims agreement and does not constitute an admission of liability or wrongdoing on the part of the Company or Executive.

 

		13.	Time for Consideration and Revocation – Executive acknowledges that he was initially
presented with this Agreement on May 17, 2021 (the “Receipt Date”). Executive understands that this Agreement shall
be of no force or effect unless he signs and returns this Agreement at or before 2:00 p.m. Eastern time on Wednesday, May 19, 2021 (the
day of such execution, the “Agreement Effective Date”). Executive further understands that he will not be eligible
to receive the Consideration unless he timely signs, returns, and does not revoke the Additional Release.

 

		14.	Acknowledgments – Executive acknowledges that he has been given a reasonable amount
of time to consider this Agreement, and at least twenty-one (21) days from the Receipt Date to consider the Additional Release (such 21-day
period, the “Consideration Period”), and that the Company is hereby advising him to consult with an attorney of his
own choosing prior to signing this Agreement and the Additional Release. Executive further acknowledges and agrees that any changes made
to this Agreement or any exhibits or attachments hereto following his initial receipt of this Agreement on the Receipt Date, whether material
or immaterial, shall not re-start or affect in any manner the Consideration Period. Executive understands that he may revoke the Additional
Release for a period of seven (7) days after he signs it by notifying the Company in writing, and that the release shall not be effective
or enforceable until the expiration of the seven (7) day revocation period (the day immediately following expiration of such revocation
period, the “Additional Release Effective Date”). Executive understands and agrees that by entering into the Additional
Release he will be waiving any and all rights or claims he might have under the Age Discrimination in Employment Act, as amended by the
Older Workers Benefit Protection Act, and that he will have received consideration beyond that to which he was previously entitled.

 

		15.	Voluntary Assent – Executive affirms that no other promises or agreements of any kind
have been made to or with Executive by any person or entity whatsoever to cause him to sign this Agreement, and that he fully understands
the meaning and intent of this Agreement and that he has had the opportunity to consult with counsel of his own choosing. Executive further
states and represents that he has carefully read this Agreement, understands the contents herein, freely and voluntarily assents to all
of the terms and conditions hereof, and signs his name of his own free act.

 

    7

     

    

 

		16.	Governing Law – This Agreement and the Additional Release shall be interpreted and
construed by the laws of the Commonwealth of Massachusetts, without regard to conflict of laws provisions. Each of the Company and Executive
hereby irrevocably submits to and acknowledges and recognizes the exclusive jurisdiction and venue of the courts of the Commonwealth of
Massachusetts, or if appropriate, the United States District Court for the District of Massachusetts (which courts, for purposes of this
Agreement and the Additional Release, are the only courts of competent jurisdiction), over any suit, action or other proceeding arising
out of, under or in connection with this Agreement and the Additional Release or the subject matter thereof.

 

		17.	Entire Agreement – This Agreement, including the Additional Release and the Restrictive
Covenants Agreement, contains and constitutes the entire understanding and agreement between the Parties hereto with respect to Executive’s
transition and separation from the Company, and the settlement of claims against the Company, and cancels all previous oral and written
negotiations, agreements, commitments and writings in connection therewith, including, without limitation, the Employment Agreement.
	 	 	 
		18.	Counterparts – This Agreement may be executed in several counterparts, each of which
shall be deemed to be an original, but all of which together will constitute one and the same Agreement. Facsimile and PDF signatures
shall be deemed to be of equal force and effect as originals.

 

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blank]

 

    8

     

    

 

IN WITNESS WHEREOF, the Parties have set their
hands and seals to this Agreement as of the date(s) written below.

 

	Voyager
    THERAPEUTIcs, INC.	 	 
	 	 	 	 
	By:	/s/
    Michael Higgins	 	Date:	May 19, 2021
	Name:	Michael Higgins	 	 
	Title:	Chairman of the Board	 	 

 

I
hereby agree to the terms and conditions set forth above.  I have been given a reasonable amount of time to consider this
Agreement and I have chosen to execute this on the date below. I further understand that my receipt of the Consideration is contingent
upon my timely execution, return and non-revocation of the Additional Release, and that I have been given at least twenty-one (21) days
to consider such Additional Release, and will have seven (7) days in which to revoke my acceptance after I sign such Additional Release.

 

GAETAN ANDRE TURENNE

 

	/s/ G. Andre Turenne	 	Date:	May 19, 2021

 

[Signature Page to Transition, Separation and
Release of Claims Agreement]

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