Document:

EX-10.43

 Exhibit 10.43 

 
 

 
 Monday, September 17, 2012 
 Kris Sennesael 
 19 Stonegate 
 Saint James, NY 11780 
 Dear Kris: 

Enphase Energy, Inc. (the “Company”) is pleased to offer you employment on the following terms: 

Position. Your title will be Vice President and Chief Financial Officer and you will report to Paul Nahi, CEO. This is a full-time exempt position
located in Petaluma, CA. While you render services to the Company, you will not engage in any other employment, consulting or other business activity (whether full-time or part-time) that would create a conflict of interest with your duties to the
Company. By signing this letter agreement, you confirm to the Company that you have no contractual commitments or other legal obligations that would prohibit you from performing your duties for the Company. 

Cash Compensation. The Company will pay you a starting salary at the rate of Three Hundred Thousand Dollars: ($300,000) per year, payable in
accordance with the Company’s standard payroll schedule. Your salary will be subject to adjustment pursuant to the Company’s employee compensation policies in effect from time to time. In addition to your salary, we will recommend to the
Compensation Committee of the Board of Directors of the Company that you be eligible for a prorated annual 2012 bonus target of 60% of your base salary pursuant to and subject to the terms and conditions of the Enphase Energy incentive bonus plan.
We will also make a recommendation to the Compensation Committee of the Board of Directors of the company that you be eligible for a target of 60% of your base salary for 2013. This recommendation will also be pursuant to and subject to the terms
and conditions of the Enphase Energy incentive bonus plan. You must be employed in good standing by Enphase Energy at the scheduled payment time to be eligible to receive a bonus. 
 Sign On Bonus. In addition to your salary, you will be eligible for a one-time bonus of One Hundred and Fifty Thousand Dollars: ($150,000) payable on your first pay period, subject to applicable
withholding taxes. If you voluntarily leave the Company within one year of continuous employment, you are required to return the total amount of the one-time bonus. 
 Relocation. It is anticipated that you will complete your relocation to Northern California by December 24, 2012. 
 1420 North McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com 

  
 

 
  

 Employee Benefits. As a regular employee of the Company, you will be eligible to participate in
regular health insurance, profit sharing, bonus, employee stock purchase, and other employee benefit plans if and as established and maintained by the Company for its employees from time to time. In addition, you will be entitled to paid vacation in
accordance with the Company’s vacation policy, as in effect from time to time. 
 Expenses. You will be reimbursed for reasonable
legitimate business expenses incurred in the performance of your duties in accordance with the Company’s expense reimbursement policies, as in effect from time to time. 

Stock Grant. Following execution of this letter agreement, we will recommend to the Board of Directors of the Company that
you be granted the option to purchase 150,000 of Common Stock of the Company under the Company’s 2011 Equity Incentive Plan (the “Plan”) (as adjusted for stock splits, stock dividends, reclassifications and the like) and
you will be offered 150,000 restricted stock units (RSU’s). This equates to approximately .75% of outstanding common stock as of September 1st. The option exercise price per share will be equal to the fair market value per share on the date the Board approves
such grant or on your first day of employment, whichever is later. The shares will be subject to the terms and conditions applicable to shares granted under the Plan, as described in and subject to the Plan and the applicable stock option,
restricted stock unit or purchase agreement. Subject to your continued employment and the terms and conditions of the Plan and applicable agreement, twenty-five percent (25%) of the option shares will vest and become exercisable twelve
(12) months following your first date of employment, and the balance will vest and become exercisable in equal monthly installments over the next thirty-six (36) months of continuous service, as described in the applicable stock purchase
agreement. Subject to your continued employment and the terms and conditions of the Plan and applicable agreement, twenty-five percent (25%) of the RSU’s will vest twelve (12) months following your first date of employment, and the
balance will vest and become exercisable in equal quarterly installments over the next twelve (12) quarters of continuous service, as described in the applicable stock purchase agreement. 

With respect to the foregoing, the grant of the opportunity to purchase or receive such shares by the Company is subject to the Board’s approval
and this promise to recommend such approval is not a promise of compensation and is not intended to create any obligation on the part of the Company. 
 Change of Control Agreement. The Company will enter into with you a Change in Control and Severance Agreement in the form consistent with the agreements of its non-founding executive officers.

 Confidentiality. As an employee of the Company, you will have access to certain confidential information of the Company and you may,
during the course of your employment, develop certain information or inventions that will be the property of the Company. To protect the interests of the Company, you will need to sign the Company’s standard “Employee Invention Assignment
and Confidentiality Agreement” attached hereto as Exhibit A as a condition of your employment. We wish to impress upon you that we do not want you to, and we hereby direct you not to, bring with you any confidential or proprietary
material of any former employer or to 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

  

 
violate any other obligations you may have to any former employer. During the period that you render services to the Company, you agree to not engage in any employment, business or activity that
is in any way competitive with the business or proposed business of the Company. You will disclose to the Company in writing any other gainful employment, business or activity that you are currently associated with or participate in that competes
with the Company. You will not assist any other person or organization in competing with the Company or in preparing to engage in competition with the business or proposed business of the Company. You represent that your signing of this offer
letter, agreement(s) concerning stock granted to you, if any, under the Plan and the Company’s Employee Invention Assignment and Confidentiality Agreement and your commencement of employment with the Company will not violate any agreement
currently in place between you and current or past employers. 
 Employment Relationship. Employment with the Company is for no specific
period of time. Your employment with the Company will be “at will,” meaning that either you or the Company may terminate your employment at any time and for any reason, with or without cause. Any contrary representations that may have been
made to you are superseded by this letter agreement. This is the full and complete agreement between you and the Company on this term. Although your job duties, title, compensation and benefits, as well as the Company’s personnel policies and
procedures, may change from time to time, the “at will” nature of your employment may only be changed in an express written agreement signed by you and a duly authorized officer of the Company (other than you). 

Withholding Taxes. All forms of compensation referred to in this letter agreement are subject to reduction to reflect applicable withholding and
payroll taxes and other deductions required by law. 
 Interpretation, Amendment and Enforcement. This letter agreement and
Exhibit A constitute the complete agreement between you and the Company, contain all of the terms of your employment with the Company and supersede any prior agreements, representations or understandings (whether written, oral or
implied) between you and the Company. This letter agreement may not be amended or modified, except by an express written agreement signed by both you and a duly authorized officer of the Company. The terms of this letter agreement and the resolution
of any disputes as to the meaning, effect, performance or validity of this letter agreement or arising out of, related to, or in any way connected with, this letter agreement, your employment with the Company or any other relationship between you
and the Company (the “Disputes”) will be governed by California law, excluding laws relating to conflicts or choice of law. You and the Company submit to the exclusive personal jurisdiction of the federal and state courts
located in San Francisco and Sonoma County in connection with any Dispute or any claim related to any Dispute. 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 * * * * * 
 We hope that you will accept our offer to join the Company on the terms of this letter. You may indicate your agreement with these terms and accept this offer by signing and dating both the enclosed
duplicate original of this letter agreement and the enclosed Proprietary Information and Inventions Agreement and returning them to me. This offer, if not accepted, will expire at the close of business on Friday, September 21, 2012. As required
by law, your employment with the Company is contingent upon your providing legal proof of your identity and authorization to work in the United States. Your employment is also contingent upon successful completion of the background verification
process and your starting work with the Company on or before Monday, September 24, 2012. 
  

			
	 Very truly yours,

	
	 ENPHASE ENERGY, INC.

		
	 By:
	 	 Paul B. Nahi

		 	Paul B. Nahi
		
	 Title:
	 	President and CEO

 I have read and accept this employment offer: 

 

			
	By:	 	  

		 	Kris Sennesael
		
	Dated:	 	                    

 Attachment 
 Exhibit A: Employee Invention Assignment and Confidentiality Agreement 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 EXHIBIT A 

EMPLOYEE INVENTION ASSIGNMENT AND CONFIDENTIALITY AGREEMENT 
 In consideration of, and as a condition of my employment with Enphase Energy, Inc., a Delaware corporation (the “Company”), I hereby represent to, and agree with the Company as
follows: 
 Purpose of Agreement. I understand that the Company is engaged in a continuous program of research,
development, production and marketing in connection with its business and that it is critical for the Company to preserve and protect its Proprietary Information (as defined in Section 7 below), its rights in Inventions (as defined in
Section 2 below) and in all related intellectual property rights. Accordingly, I am entering into this Employee Invention Assignment and Confidentiality Agreement (this “Agreement”) as a condition of my employment with
the Company, whether or not I am expected to create inventions of value for the Company. 
 Disclosure of
Inventions. I will promptly disclose in confidence to the Company all inventions, improvements, designs, original works of authorship, formulas, processes, compositions of matter, computer software programs, databases, mask works, designs
and trade secrets that I make or conceive or first reduce to practice or create, either alone or jointly with others, during the period of my employment, whether or not in the course of my employment, and whether or not patentable, copyrightable or
protectable as trade secrets (the “Inventions”). 
 Inventions Retained and Licensed. I
have attached hereto, as Exhibit A, a list describing with particularity all inventions, original works of authorship, developments, improvements, and trade secrets which were made by me prior to the commencement of my employment with the
Company (collectively referred to as “Prior Inventions”), which belong solely to me or belong to me jointly with another, which relate in any way to any of the Company’s proposed businesses, products or research and
development, and which are not assigned to the Company hereunder; or, if no such list is attached, I represent that there are no such Prior Inventions. If, in the course of my employment with the Company, I incorporate into a Company product,
process or machine a Prior Invention owned by me or in which I have an interest, the Company is hereby granted and shall have a non-exclusive, royalty-free, irrevocable, perpetual, worldwide license (with the right to sublicense) to make, have made,
copy, modify, make derivative works of, use, sell and otherwise distribute such Prior Invention as part of or in connection with such product, process or machine. 
 Work for Hire; Assignment of Inventions. I acknowledge and agree that any copyrightable works prepared by me within the scope of my employment are “works for hire” under the
Copyright Act and that the Company will be considered the author and owner of such copyrightable works. I agree that all Inventions that (i) are developed using equipment, supplies, facilities or trade secrets of the Company, (ii) result
from work performed by me for the Company, or (iii) relate to the Company’s business or current or anticipated research and development (the “Assigned Inventions”), will be the sole and exclusive property of the
Company and are hereby irrevocably assigned by me to the Company.  

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 Labor Code Section 2870 Notice. I have been notified and understand
that the provisions of Sections 3 and 5 of this Agreement do not apply to any Assigned Invention that qualifies fully under the provisions of Section 2870 of the California Labor Code, which states as follows: 

ANY PROVISION IN AN EMPLOYMENT AGREEMENT WHICH PROVIDES THAT AN EMPLOYEE SHALL ASSIGN, OR OFFER TO ASSIGN, ANY OF HIS OR HER RIGHTS IN AN INVENTION
TO HIS OR HER EMPLOYER SHALL NOT APPLY TO AN INVENTION THAT THE EMPLOYEE DEVELOPED ENTIRELY ON HIS OR HER OWN TIME WITHOUT USING THE EMPLOYER’S EQUIPMENT, SUPPLIES, FACILITIES, OR TRADE SECRET INFORMATION EXCEPT FOR THOSE INVENTIONS THAT
EITHER: (1) RELATE AT THE TIME OF CONCEPTION OR REDUCTION TO PRACTICE OF THE INVENTION TO THE EMPLOYER’S BUSINESS, OR ACTUAL OR DEMONSTRABLY ANTICIPATED RESEARCH OR DEVELOPMENT OF THE EMPLOYER; OR (2) RESULT FROM ANY WORK PERFORMED BY
THE EMPLOYEE FOR THE EMPLOYER. TO THE EXTENT A PROVISION IN AN EMPLOYMENT AGREEMENT PURPORTS TO REQUIRE AN EMPLOYEE TO ASSIGN AN INVENTION OTHERWISE EXCLUDED FROM BEING REQUIRED TO BE ASSIGNED UNDER CALIFORNIA LABOR CODE SECTION 2870(a), THE
PROVISION IS AGAINST THE PUBLIC POLICY OF THIS STATE AND IS UNENFORCEABLE. 
 Assignment of Other Rights.
In addition to the foregoing assignment of Assigned Inventions to the Company, I hereby irrevocably transfer and assign to the Company: (i) all worldwide patents, patent applications, copyrights, mask works, trade secrets and other
intellectual property rights, including but not limited to rights in databases, in any Assigned Inventions, along with any registrations of or applications to register such rights; and (ii) any and all “Moral Rights” (as defined
below) that I may have in or with respect to any Assigned Inventions. I also hereby forever waive and agree never to assert any and all Moral Rights I may have in or with respect to any Assigned Inventions, even after termination of my work on
behalf of the Company. “Moral Rights” mean any rights to claim authorship of or credit on an Assigned Inventions, to object to or prevent the modification or destruction of any Assigned Inventions, or to
withdraw from circulation or control the publication or distribution of any Assigned Inventions, and any similar right, existing under judicial or statutory law of any country or subdivision thereof in the world, or under any treaty, regardless of
whether or not such right is denominated or generally referred to as a “moral right.” 
 Assistance. I
agree to assist the Company in every proper way to obtain for the Company and enforce patents, copyrights, mask work rights, trade secret rights and other legal protections for the Company’s Assigned Inventions in any and all countries. I will
execute any documents that the Company may reasonably request for use in obtaining or enforcing such patents, copyrights, mask work rights, trade secrets and other legal protections. My obligations under this paragraph will continue beyond the
termination of my employment with the Company, provided that the Company will compensate me at a reasonable rate after such termination for time or expenses actually spent by me at the Company’s request on such assistance. I appoint the
Secretary of the Company as my attorney-in-fact to execute documents on my behalf for this purpose. 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 Proprietary Information. I understand that my employment by the Company
creates a relationship of confidence and trust with respect to any information of a confidential or secret nature that may be disclosed to me by the Company or a third party that relates to the business of the Company or to the business of any
parent, subsidiary, affiliate, customer or supplier of the Company or any other party with whom the Company agrees to hold information of such party in confidence (the “Proprietary Information”). Such Proprietary Information
includes, but is not limited to, Assigned Inventions, marketing plans, product plans, business strategies, financial information, forecasts, personnel information, customer lists and data, and domain names. 

Confidentiality. At all times, both during my employment and after its termination, I will keep and hold all such
Proprietary Information in strict confidence and trust. I will not use or disclose any Proprietary Information without the prior written consent of the Company, except as may be necessary to perform my duties as an employee of the Company for the
benefit of the Company. Upon termination of my employment with the Company, I will promptly deliver to the Company all documents and materials of any nature pertaining to my work with the Company and, upon Company request, will execute a document
confirming my agreement to honor my responsibilities contained in this Agreement. I will not take with me or retain any documents or materials or copies thereof containing any Proprietary Information. 

No Breach of Prior Agreement. I represent that my performance of all the terms of this Agreement and my duties as an
employee of the Company will not breach any invention assignment, proprietary information, confidentiality or similar agreement with any former employer or other party. I represent that I will not bring with me to the Company or use in the
performance of my duties for the Company any documents or materials or intangibles of a former employer or third party that are not generally available to the public or have not been legally transferred to the Company. 

Efforts; Duty Not to Compete. I understand that my employment with the Company requires my undivided attention and effort
during normal business hours. While I am employed by the Company, I will not, without the Company’s express prior written consent, provide services to, or assist in any manner, any business or third party if such services or assistance would be
in direct conflict with the Company’s business interests. 
 Notification. I hereby authorize the Company to
notify third parties, including, without limitation, customers and actual or potential employers, of the terms of this Agreement and my responsibilities hereunder. 
 Non-Solicitation of Employees/Consultants. During my employment with the Company and for a period of one (1) year thereafter, I will not directly or indirectly solicit away employees or
consultants of the Company for my own benefit or for the benefit of any other person or entity. 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 Non-Solicitation of Suppliers/Customers. During my employment with the
Company and after termination of my employment, I will not directly or indirectly solicit or take away suppliers or customers of the Company if the identity of the supplier or customer or information about the supplier or customer relationship is a
trade secret or is otherwise deemed confidential information within the meaning of California law. 
 Name and Likeness
Rights. I hereby authorize the Company to use, reuse, and to grant others the right to use and reuse, my name, photograph, likeness (including caricature), voice, and biographical information, and any reproduction or simulation thereof, in
any form of media or technology now known or hereafter developed (including, but not limited to, film, video and digital or other electronic media), both during and after my employment, for any purposes related to the Company’s business, such
as marketing, advertising, credits, and presentations. 
 Injunctive Relief. I understand that in the event of a
breach or threatened breach of this Agreement by me the Company may suffer irreparable harm and will therefore be entitled to injunctive relief to enforce this Agreement. 
 Governing Law; Severability. This Agreement will be governed by and construed in accordance with the laws of the State of California, without giving effect to its laws pertaining to conflict
of laws. If any provision of this Agreement is determined by any court or arbitrator of competent jurisdiction to be invalid, illegal or unenforceable in any respect, such provision will be enforced to the maximum extent possible given the intent of
the parties hereto. If such clause or provision cannot be so enforced, such provision shall be stricken from this Agreement and the remainder of this Agreement shall be enforced as if such invalid, illegal or unenforceable clause or provision had
(to the extent not enforceable) never been contained in this Agreement. 
 Counterparts. This Agreement may be
executed in any number of counterparts, each of which when so executed and delivered will be deemed an original, and all of which together shall constitute one and the same agreement. 

Entire Agreement. This Agreement and the documents referred to herein constitute the entire agreement and understanding of
the parties with respect to the subject matter of this Agreement, and supersede all prior understandings and agreements, whether oral or written, between or among the parties hereto with respect to the specific subject matter hereof. 

Amendment and Waivers. This Agreement may be amended only by a written agreement executed by each of the parties hereto. No
amendment of or waiver of, or modification of any obligation under this Agreement will be enforceable unless set forth in a writing signed by the party against which enforcement is sought. Any amendment effected in accordance with this section will
be binding upon all parties hereto and each of their respective successors and assigns. No delay or failure to require performance of any provision of this Agreement shall constitute a waiver of that provision as to that or any other instance. No
waiver granted under this Agreement as to any one provision herein shall constitute a subsequent waiver of such provision or of any other provision herein, nor shall it constitute the waiver of any performance other than the actual performance
specifically waived. 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 Successors and Assigns; Assignment. Except as otherwise provided in this
Agreement, this Agreement, and the rights and obligations of the parties hereunder, will be binding upon and inure to the benefit of their respective successors, assigns, heirs, executors, administrators and legal representatives. The Company may
assign any of its rights and obligations under this Agreement. No other party to this Agreement may assign, whether voluntarily or by operation of law, any of its rights and obligations under this Agreement, except with the prior written consent of
the Company. 
 Further Assurances. The parties agree to execute such further documents and instruments and to
take such further actions as may be reasonably necessary to carry out the purposes and intent of this Agreement. 

“At Will” Employment. I understand that this Agreement does not constitute a contract of employment or obligate
the Company to employ me for any stated period of time. I understand that I am an “at will” employee of the Company and that my employment can be terminated at any time, with or without notice and with or without cause, for any reason or
for no reason, by either the Company or myself. I acknowledge that any statements or representations to the contrary are ineffective, unless put into a writing signed by the Company. I further acknowledge that my participation in any stock option or
benefit program is not to be construed as any assurance of continuing employment for any particular period of time. This Agreement shall be effective as of the first day of my employment by the Company, which is Monday, September 24, 2012.

 * * * * * * 
 In Witness Whereof, the parties have executed this Agreement as of the September 24, 2012. 
  

					
	Enphase Energy, Inc.:	 	Employee:
			
	By:	 	 Paul B. Nahi
	 	  

			
		 		 	Signature
			
	Name:	 	 Paul B. Nahi
	 	 Kris Sennesael

			
	Title:	 	 President and CEO
	 	

 Signature Page to Employee Invention Assignment and Confidentiality Agreement 

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 EXHIBIT A 
 LIST OF PRIOR INVENTIONS 
 AND ORIGINAL WORKS OF AUTHORSHIP

  

					
	 Title
	 	 Date
	 	 Identifying Number

or Brief Description

    No inventions or improvements 
     Additional Sheets Attached 
 Signature of
Employee:                                       
                      
 Name of
Employee: Kris Sennesael 

Date:                     

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.com

  
 

 
  

 EXHIBIT B 

Termination Certification 
 This is to certify that I do not have in my possession, nor have I failed to return, any devices, records, data, notes, reports, proposals, lists, correspondence, specifications, drawings, blueprints,
sketches, materials, equipment, other documents or property, or reproductions of any aforementioned items belonging to Enphase Energy, Inc., its subsidiaries, affiliates, successors or assigns (together, the “Company”). 

I further certify that I have complied with all the terms of my employment and the Company’s Employee Invention Assignment and Confidentiality
Agreement signed by me, including the recording of any inventions, original works of authorship, or other Intellectual Property (as defined therein), conceived or made by me (solely or jointly with others) covered by that agreement. 

I further agree that, in compliance with the Employee Invention Assignment and Confidentiality Agreement, I will preserve as confidential all trade
secrets, confidential knowledge, data or other proprietary information relating to products, processes, know-how, designs, formulas, developmental or experimental work, computer programs, data bases, other original works of authorship, customer
lists, business plans, financial information or other subject matter pertaining to any business of the Company or any of its employees, clients, consultants or licensees. 
 I further agree that, in compliance with the Employee Invention Assignment and Confidentiality Agreement, I will abide by the Covenants Not To Solicit (as set forth therein).  

Signature of
Employee:                                       
                          
 Name of Employee: Kris Sennesael 
 Date:
                     

  
 1420 North
McDowell, Petaluma, CA 94954   p.(707)763-4784     f.(707)763-0784 
 www.enphaseenergy.comEX-10.44

 Exhibit 10.44 

 

					
	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

 Tuesday, July 31, 2012 
 Stephen Lapointe 
 132 Creekside Village Drive 

Los Gatos, California 95032 
 Dear Stephen:

 Enphase Energy, Inc. (the “Company”) is pleased to offer you employment on the following terms:

 Position. Your title will be Vice President of Global Human Resources and you will report to Paul Nahi. This is a full-time exempt
position and is located in Petaluma, CA. While you render services to the Company, you will not engage in any other employment, consulting or other business activity (whether full-time or part-time) that would create a conflict of interest with your
duties to the Company. By signing this letter agreement, you confirm to the Company that you have no contractual commitments or other legal obligations that would prohibit you from performing your duties for the Company. 

Cash Compensation. The Company will pay you a starting salary at the rate of Two Hundred Thousand Dollars: ($200,000) per year, payable in
accordance with the Company’s standard payroll schedule. Your salary will be subject to adjustment pursuant to the Company’s employee compensation policies in effect from time to time. In addition to your salary, you will be eligible for a
one-time bonus of Ten Thousand Dollars: ($10,000) payable on your first pay period, subject to applicable withholding taxes. If you voluntarily leave the Company within one year of continuous employment, you are required to return the total amount
of the one-time bonus. 
 Employee Benefits. As a regular employee of the Company, you will be eligible to participate in regular health
insurance, profit sharing, bonus, employee stock purchase, and other employee benefit plans if and as established and maintained by the Company for its employees from time to time. In addition, you will be entitled to paid vacation in accordance
with the Company’s vacation policy, as in effect from time to time. 
 Expenses. You will be reimbursed for reasonable legitimate
business expenses incurred in the performance of your duties in accordance with the Company’s expense reimbursement policies, as in effect from time to time. 

  

					
	 Initial:
                        Date:                
    
	 		 	Page 1 of 15

					
	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 Expenses. You will be reimbursed for reasonable legitimate business expenses incurred in the
performance of your duties in accordance with the Company’s expense reimbursement policies, as in effect from time to time. 
 Stock
Grant. Following execution of this letter agreement, we will recommend to the Board of Directors of the Company that you be granted the option to purchase up to (75,000) shares of Common Stock of the Company under the Company’s 2011
Equity Incentive Plan (the “Plan”) (as adjusted for stock splits, stock dividends, reclassifications and the like). The exercise price per share will be equal to the fair market value per share on the date the Board approves
such grant or on your first day of employment, whichever is later. The shares will be subject to the terms and conditions applicable to shares granted under the Plan, as described in and subject to the Plan and the applicable stock option or
purchase agreement. Subject to your continued employment and the terms and conditions of the Plan and applicable agreement, twenty-five percent (25%) of the shares will vest and become exercisable twelve (12) months following your first
date of employment, and the balance will vest and become exercisable in equal monthly installments over the next thirty-six (36) months of continuous service, as described in the applicable stock purchase agreement. 

With respect to the foregoing, the grant of the opportunity to purchase such shares by the Company is subject to the Board’s approval and this
promise to recommend such approval is not a promise of compensation and is not intended to create any obligation on the part of the Company. 
 Confidentiality. As an employee of the Company, you will have access to certain confidential information of the Company and you may, during the course of your employment, develop certain
information or inventions that will be the property of the Company. To protect the interests of the Company, you will need to sign the Company’s standard “Employee Invention Assignment and Confidentiality Agreement” attached hereto as
Exhibit A as a condition of your employment. We wish to impress upon you that we do not want you to, and we hereby direct you not to, bring with you any confidential or proprietary material of any former employer or to violate any other
obligations you may have to any former employer. During the period that you render services to the Company, you agree to not engage in any employment, business or activity that is in any way competitive with the business or proposed business of the
Company. You will disclose to the Company in writing any other gainful employment, business or activity that you are currently associated with or participate in that competes with the Company. You will not assist any other person or organization in
competing with the Company or in preparing to engage in competition with the business or proposed business of the Company. You represent that your signing of this offer letter, agreement(s) concerning stock granted to you, if any, under the Plan and
the Company’s Employee Invention Assignment and Confidentiality Agreement and your commencement of employment with the Company will not violate any agreement currently in place between yourself and current or past employers. 

  

					
	 Initial:
                        Date:                
    
	 		 	Page 2 of 15

					
	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 Employment Relationship. Employment with the Company is for no specific period of time. Your
employment with the Company will be “at will,” meaning that either you or the Company may terminate your employment at any time and for any reason, with or without cause. Any contrary representations that may have been made to you are
superseded by this letter agreement. This is the full and complete agreement between you and the Company on this term. Although your job duties, title, compensation and benefits, as well as the Company’s personnel policies and procedures, may
change from time to time, the “at will” nature of your employment may only be changed in an express written agreement signed by you and a duly authorized officer of the Company (other than you). 

Withholding Taxes. All forms of compensation referred to in this letter agreement are subject to reduction to reflect applicable withholding and
payroll taxes and other deductions required by law. 
 Interpretation, Amendment and Enforcement. This letter agreement and
Exhibit A constitute the complete agreement between you and the Company, contain all of the terms of your employment with the Company and supersede any prior agreements, representations or understandings (whether written, oral or
implied) between you and the Company. This letter agreement may not be amended or modified, except by an express written agreement signed by both you and a duly authorized officer of the Company. The terms of this letter agreement and the resolution
of any disputes as to the meaning, effect, performance or validity of this letter agreement or arising out of, related to, or in any way connected with, this letter agreement, your employment with the Company or any other relationship between you
and the Company (the “Disputes”) will be governed by California law, excluding laws relating to conflicts or choice of law. You and the Company submit to the exclusive personal jurisdiction of the federal and state courts
located in San Francisco and Sonoma County in connection with any Dispute or any claim related to any Dispute. 
 * * * * *

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 We hope that you will accept our offer to join the Company on the terms of this letter. You may indicate
your agreement with these terms and accept this offer by signing and dating both the enclosed duplicate original of this letter agreement and the enclosed Proprietary Information and Inventions Agreement and returning them to me. This offer, if not
accepted, will expire at the close of business on Tuesday, August 07, 2012. As required by law, your employment with the Company is contingent upon your providing legal proof of your identity and authorization to work in the United States. This
offer is also contingent on successful completion of background and reference checks and starting work with the Company on or before Monday, September 03, 2012. 

 

			
	Very truly yours,
	
	ENPHASE ENERGY, INC.
		
	By:	 	 /s/ Paul B. Nahi

		 	Paul B. Nahi
	Title:	 	President and CEO

 I have read and accept this employment offer: 

 

			
	By:	 	  

		 	Stephen Lapointe

Dated:                      

Attachment 
 Exhibit A: Employee
Invention Assignment and Confidentiality Agreement 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 EXHIBIT A 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 EMPLOYEE INVENTION ASSIGNMENT AND CONFIDENTIALITY AGREEMENT 

In consideration of, and as a condition of my employment with Enphase Energy, Inc., a Delaware corporation (the “Company”), I
hereby represent to, and agree with the Company as follows: 
 Purpose of Agreement. I understand that the Company
is engaged in a continuous program of research, development, production and marketing in connection with its business and that it is critical for the Company to preserve and protect its Proprietary Information (as defined in Section 7 below),
its rights in Inventions (as defined in Section 2 below) and in all related intellectual property rights. Accordingly, I am entering into this Employee Invention Assignment and Confidentiality Agreement (this
“Agreement”) as a condition of my employment with the Company, whether or not I am expected to create inventions of value for the Company. 
 Disclosure of Inventions. I will promptly disclose in confidence to the Company all inventions, improvements, designs, original works of authorship, formulas, processes, compositions of
matter, computer software programs, databases, mask works, designs and trade secrets that I make or conceive or first reduce to practice or create, either alone or jointly with others, during the period of my employment, whether or not in the course
of my employment, and whether or not patentable, copyrightable or protectable as trade secrets (the “Inventions”). 
 Inventions Retained and Licensed. I have attached hereto, as Exhibit A, a list describing with particularity all inventions, original works of authorship, developments, improvements,
and trade secrets which were made by me prior to the commencement of my employment with the Company (collectively referred to as “Prior Inventions”), which belong solely to me or belong to me jointly with another, which
relate in any way to any of the Company’s proposed businesses, products or research and development, and which are not assigned to the Company hereunder; or, if no such list is attached, I represent that there are no such Prior Inventions. If,
in the course of my employment with the Company, I incorporate into a Company product, process or machine a Prior Invention owned by me or in which I have an interest, the Company is hereby granted and shall have a non-exclusive, royalty-free,
irrevocable, perpetual, worldwide license (with the right to sublicense) to make, have made, copy, modify, make derivative works of, use, sell and otherwise distribute such Prior Invention as part of or in connection with such product, process or
machine. 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 Work for Hire; Assignment of Inventions. I acknowledge and agree
that any copyrightable works prepared by me within the scope of my employment are “works for hire” under the Copyright Act and that the Company will be considered the author and owner of such copyrightable works. I agree that all
Inventions that (i) are developed using equipment, supplies, facilities or trade secrets of the Company, (ii) result from work performed by me for the Company, or (iii) relate to the Company’s business or current or anticipated
research and development (the “Assigned Inventions”), will be the sole and exclusive property of the Company and are hereby irrevocably assigned by me to the Company. 

Labor Code Section 2870 Notice. I have been notified and understand that the provisions of Sections 3 and 5 of
this Agreement do not apply to any Assigned Invention that qualifies fully under the provisions of Section 2870 of the California Labor Code, which states as follows: 
 ANY PROVISION IN AN EMPLOYMENT AGREEMENT WHICH PROVIDES THAT AN EMPLOYEE SHALL ASSIGN, OR OFFER TO ASSIGN, ANY OF HIS OR HER RIGHTS IN AN INVENTION TO HIS OR HER EMPLOYER SHALL NOT APPLY TO AN
INVENTION THAT THE EMPLOYEE DEVELOPED ENTIRELY ON HIS OR HER OWN TIME WITHOUT USING THE EMPLOYER’S EQUIPMENT, SUPPLIES, FACILITIES, OR TRADE SECRET INFORMATION EXCEPT FOR THOSE INVENTIONS THAT EITHER: (1) RELATE AT THE TIME OF CONCEPTION
OR REDUCTION TO PRACTICE OF THE INVENTION TO THE EMPLOYER’S BUSINESS, OR ACTUAL OR DEMONSTRABLY ANTICIPATED RESEARCH OR DEVELOPMENT OF THE EMPLOYER; OR (2) RESULT FROM ANY WORK PERFORMED BY THE EMPLOYEE FOR THE EMPLOYER. TO THE EXTENT A
PROVISION IN AN EMPLOYMENT AGREEMENT PURPORTS TO REQUIRE AN EMPLOYEE TO ASSIGN AN INVENTION OTHERWISE EXCLUDED FROM BEING REQUIRED TO BE ASSIGNED UNDER CALIFORNIA LABOR CODE SECTION 2870(a), THE PROVISION IS AGAINST THE PUBLIC POLICY OF THIS
STATE AND IS UNENFORCEABLE. 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 Assignment of Other Rights. In addition to the foregoing assignment of
Assigned Inventions to the Company, I hereby irrevocably transfer and assign to the Company: (i) all worldwide patents, patent applications, copyrights, mask works, trade secrets and other intellectual property rights, including but not limited
to rights in databases, in any Assigned Inventions, along with any registrations of or applications to register such rights; and (ii) any and all “Moral Rights” (as defined below) that I may have in or with respect to any Assigned
Inventions. I also hereby forever waive and agree never to assert any and all Moral Rights I may have in or with respect to any Assigned Inventions, even after termination of my work on behalf of the Company. “Moral
Rights” mean any rights to claim authorship of or credit on an Assigned Inventions, to object to or prevent the modification or destruction of any Assigned Inventions, or to withdraw from circulation or control the publication or
distribution of any Assigned Inventions, and any similar right, existing under judicial or statutory law of any country or subdivision thereof in the world, or under any treaty, regardless of whether or not such right is denominated or generally
referred to as a “moral right.” 
 Assistance. I agree to assist the Company in every proper way to
obtain for the Company and enforce patents, copyrights, mask work rights, trade secret rights and other legal protections for the Company’s Assigned Inventions in any and all countries. I will execute any documents that the Company may
reasonably request for use in obtaining or enforcing such patents, copyrights, mask work rights, trade secrets and other legal protections. My obligations under this paragraph will continue beyond the termination of my employment with the Company,
provided that the Company will compensate me at a reasonable rate after such termination for time or expenses actually spent by me at the Company’s request on such assistance. I appoint the Secretary of the Company as my attorney-in-fact to
execute documents on my behalf for this purpose. 
 Proprietary Information. I understand that my employment by
the Company creates a relationship of confidence and trust with respect to any information of a confidential or secret nature that may be disclosed to me by the Company or a third party that relates to the business of the Company or to the business
of any parent, subsidiary, affiliate, customer or supplier of the Company or any other party with whom the Company agrees to hold information of such party in confidence (the “Proprietary Information”). Such Proprietary
Information includes, but is not limited to, Assigned Inventions, marketing plans, product plans, business strategies, financial information, forecasts, personnel information, customer lists and data, and domain names. 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 Confidentiality. At all times, both during my employment and after its
termination, I will keep and hold all such Proprietary Information in strict confidence and trust. I will not use or disclose any Proprietary Information without the prior written consent of the Company, except as may be necessary to perform my
duties as an employee of the Company for the benefit of the Company. Upon termination of my employment with the Company, I will promptly deliver to the Company all documents and materials of any nature pertaining to my work with the Company and,
upon Company request, will execute a document confirming my agreement to honor my responsibilities contained in this Agreement. I will not take with me or retain any documents or materials or copies thereof containing any Proprietary Information.

 No Breach of Prior Agreement. I represent that my performance of all the terms of this Agreement and my duties
as an employee of the Company will not breach any invention assignment, proprietary information, confidentiality or similar agreement with any former employer or other party. I represent that I will not bring with me to the Company or use in the
performance of my duties for the Company any documents or materials or intangibles of a former employer or third party that are not generally available to the public or have not been legally transferred to the Company. 

Efforts; Duty Not to Compete. I understand that my employment with the Company requires my undivided attention and effort
during normal business hours. While I am employed by the Company, I will not, without the Company’s express prior written consent, provide services to, or assist in any manner, any business or third party if such services or assistance would be
in direct conflict with the Company’s business interests. 
 Notification. I hereby authorize the Company to
notify third parties, including, without limitation, customers and actual or potential employers, of the terms of this Agreement and my responsibilities hereunder. 
 Non-Solicitation of Employees/Consultants. During my employment with the Company and for a period of one (1) year thereafter, I will not directly or indirectly solicit away employees or
consultants of the Company for my own benefit or for the benefit of any other person or entity. 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 Non-Solicitation of Suppliers/Customers. During my employment with the
Company and after termination of my employment, I will not directly or indirectly solicit or take away suppliers or customers of the Company if the identity of the supplier or customer or information about the supplier or customer relationship is a
trade secret or is otherwise deemed confidential information within the meaning of California law. 
 Name and Likeness
Rights. I hereby authorize the Company to use, reuse, and to grant others the right to use and reuse, my name, photograph, likeness (including caricature), voice, and biographical information, and any reproduction or simulation thereof, in
any form of media or technology now known or hereafter developed (including, but not limited to, film, video and digital or other electronic media), both during and after my employment, for any purposes related to the Company’s business, such
as marketing, advertising, credits, and presentations. 
 Injunctive Relief. I understand that in the event of a
breach or threatened breach of this Agreement by me the Company may suffer irreparable harm and will therefore be entitled to injunctive relief to enforce this Agreement. 
 Governing Law; Severability. This Agreement will be governed by and construed in accordance with the laws of the State of California, without giving effect to its laws pertaining to conflict
of laws. If any provision of this Agreement is determined by any court or arbitrator of competent jurisdiction to be invalid, illegal or unenforceable in any respect, such provision will be enforced to the maximum extent possible given the intent of
the parties hereto. If such clause or provision cannot be so enforced, such provision shall be stricken from this Agreement and the remainder of this Agreement shall be enforced as if such invalid, illegal or unenforceable clause or provision had
(to the extent not enforceable) never been contained in this Agreement. 
 Counterparts. This Agreement may be
executed in any number of counterparts, each of which when so executed and delivered will be deemed an original, and all of which together shall constitute one and the same agreement. 

Entire Agreement. This Agreement and the documents referred to herein constitute the entire agreement and understanding of
the parties with respect to the subject matter of this Agreement, and supersede all prior understandings and agreements, whether oral or written, between or among the parties hereto with respect to the specific subject matter hereof. 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
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 www.enphase.com
	 		 	

  

 Amendment and Waivers. This Agreement may be amended only by a written
agreement executed by each of the parties hereto. No amendment of or waiver of, or modification of any obligation under this Agreement will be enforceable unless set forth in a writing signed by the party against which enforcement is sought. Any
amendment effected in accordance with this section will be binding upon all parties hereto and each of their respective successors and assigns. No delay or failure to require performance of any provision of this Agreement shall constitute a waiver
of that provision as to that or any other instance. No waiver granted under this Agreement as to any one provision herein shall constitute a subsequent waiver of such provision or of any other provision herein, nor shall it constitute the waiver of
any performance other than the actual performance specifically waived. 
 Successors and Assigns; Assignment.
Except as otherwise provided in this Agreement, this Agreement, and the rights and obligations of the parties hereunder, will be binding upon and inure to the benefit of their respective successors, assigns, heirs, executors, administrators and
legal representatives. The Company may assign any of its rights and obligations under this Agreement. No other party to this Agreement may assign, whether voluntarily or by operation of law, any of its rights and obligations under this Agreement,
except with the prior written consent of the Company. 
 Further Assurances. The parties agree to execute such
further documents and instruments and to take such further actions as may be reasonably necessary to carry out the purposes and intent of this Agreement. 
 “At Will” Employment. I understand that this Agreement does not constitute a contract of employment or obligate the Company to employ me for any stated period of time. I understand
that I am an “at will” employee of the Company and that my employment can be terminated at any time, with or without notice and with or without cause, for any reason or for no reason, by either the Company or myself. I acknowledge that any
statements or representations to the contrary are ineffective, unless put into a writing signed by the Company. I further acknowledge that my participation in any stock option or benefit program is not to be construed as any assurance of continuing
employment for any particular period of time. This Agreement shall be effective as of the first day of my employment by the Company, which is Monday, September 03, 2012. 
 * * * * * * 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 In Witness Whereof, the parties have executed this Agreement as of the
                     
  

					
	Enphase Energy, Inc.:	 	Employee:
			
	By:	 	 /s/ Paul B. Nahi
	 	  

		 		 	Signature
			
	Name:	 	 Paul B. Nahi
	 	 Stephen Lapointe

			
	Title:	 	 President and CEO
	 	

 Signature Page to Employee Invention Assignment and Confidentiality Agreement 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
707-763-1816
 www.enphase.com
	 		 	

  

 EXHIBIT A 
 LIST OF PRIOR INVENTIONS 
 AND ORIGINAL WORKS OF AUTHORSHIP

  

					
	 Title
	 	 Date
	 	 Identifying Number

or Brief Description

		 		 	
		 		 	
		 		 	

      No inventions or improvements 
      Additional Sheets Attached 
 Signature of Employee:
                                         
                    
 Name of Employee:
Stephen Lapointe 
 Date:
                     

  

					
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Petaluma CA 94952
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 EXHIBIT B 

  

					
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	 1420 N. McDowell Blvd.

Petaluma CA 94952
 t: 707-763-4784 | f:
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 www.enphase.com
	 		 	

  

 Termination Certification 

This is to certify that I do not have in my possession, nor have I failed to return, any devices, records, data, notes, reports, proposals, lists,
correspondence, specifications, drawings, blueprints, sketches, materials, equipment, other documents or property, or reproductions of any aforementioned items belonging to Enphase Energy, Inc., its subsidiaries, affiliates, successors or assigns
(together, the “Company”). 
 I further certify that I have complied with all the terms of my employment and the Company’s
Employee Invention Assignment and Confidentiality Agreement signed by me, including the recording of any inventions, original works of authorship, or other Intellectual Property (as defined therein), conceived or made by me (solely or jointly with
others) covered by that agreement. 
 I further agree that, in compliance with the Employee Invention Assignment and Confidentiality Agreement,
I will preserve as confidential all trade secrets, confidential knowledge, data or other proprietary information relating to products, processes, know-how, designs, formulas, developmental or experimental work, computer programs, data bases, other
original works of authorship, customer lists, business plans, financial information or other subject matter pertaining to any business of the Company or any of its employees, clients, consultants or licensees. 

I further agree that, in compliance with the Employee Invention Assignment and Confidentiality Agreement, I will abide by the Covenants Not To Solicit
(as set forth therein).  
 Signature of Employee:
                                         
                        

Name of Employee: Stephen Lapointe 

Date:                      

  

					
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