Document:

EX-10.1

 Exhibit 10.1 

EMPLOYMENT AGREEMENT 

This Employment Agreement (“Agreement”) is made and entered into as of October 2, 2013 (the “Effective
Date”), by and between Pattern Energy Group Inc., a Delaware corporation (hereafter the “Company”), and Michael J. Lyon (“Executive”). 

1. Employment. During the Employment Period (as defined in Section 4 below), the Company shall employ Executive, and
Executive shall serve, as Chief Financial Officer of the Company. 
 2. Duties and Responsibilities of
Executive. 
  

	 	(a)	During the Employment Period, Executive shall devote substantially all of Executive’s business time and attention to the business of the Company or its Affiliates, as applicable, will act in the best interests of
the Company and will perform with due care Executive’s duties and responsibilities. Executive’s duties will include those normally incidental to the position of Chief Financial Officer as well as such additional duties of an executive and
managerial nature, consistent with his position as may be assigned to him by the Chief Executive Officer or the Board of Directors of the Company (the “Board”). Executive agrees to cooperate fully with the Board and not to
engage in any activity that materially interferes with the performance of Executive’s duties hereunder. During the Employment Period, Executive will not hold any type of outside employment, engage in any type of consulting or otherwise render
services to or for any other person or business concern without the advance written consent of the Board; provided that Executive may manage personal investments and engage in charitable and civic activities, as well as the activities set
forth on Schedule 1 hereto, so long as such activities do not materially interfere with Executive’s obligations to the Company or any of its Affiliates, as applicable. 

 

	 	(b)	Executive represents and covenants that, in the course of his employment herein, he shall not use or disclose any confidential or protected information belonging to any of Executive’s previous employers unless
specifically allowed to do so under a written agreement. The Company represents and covenants that, in the course of performing his duties hereunder, Executive shall not be required to disclose any confidential or protected information belonging to
any of Executive’s previous employers. 

 3. Compensation. Any salary, bonus and other compensation
payments hereunder shall be subject to all applicable payroll and other taxes, deductions and withholdings. 
  

	 	(a)	During the Employment Period, the Company shall pay to Executive a base annualized salary of $230,625 (the “Base Salary”) in consideration for Executive’s services under this Agreement,
payable on a not less than monthly basis. The Base Salary shall be subject to modification from time to time as determined by the Company in its discretion. 

	 	(b)	Executive shall be eligible for discretionary bonus compensation with respect to each year that he is employed by the Company (the “Annual Bonus”). The Annual Bonus shall be determined under
guidelines provided in the Pattern Incentive Bonus Plan. For 2013, the Annual Bonus shall not be pro-rated and shall take into account the Executive’s prior service with PEG LP and its Affiliates. The Annual Bonus, if any, will be paid as soon
as administratively feasible after the Board certifies that the applicable performance targets have been achieved but in no event later than March 15 of the year following the year upon which the payment of the bonus is based.

 4. Term of Employment. The initial term of this Agreement shall be for the period beginning on the Effective
Date and ending at midnight Eastern Time on the first anniversary of the Effective Date (the “Initial Term”). On the first anniversary of the Effective Date and on each subsequent anniversary of the Effective Date, this
Agreement shall automatically renew and extend for a period of 12 months (each such 12-month period being a “Renewal Term”) unless written notice of non-renewal is delivered from either party to the other not less than sixty
(60) days prior to the expiration of the then-existing Initial Term or Renewal Term. Notwithstanding any other provision of this Agreement, the Executive’s employment pursuant to this Agreement may be terminated at any time in accordance
with Section 6. The period from the Effective Date through the expiration of this Agreement or, if sooner, the termination of Executive’s employment pursuant to this Agreement, regardless of the time or reason for such termination, shall
be referred to herein as the “Employment Period.” 
 5. Benefits. Subject to the terms and conditions
of this Agreement, Executive shall be entitled to the following benefits during the Employment Period: 
  

	 	(a)	Benefits. Executive shall be invited to participate in the same benefit plans and fringe benefit policies in which other similarly situated Company employees are eligible to participate. All such participation
shall be subject to applicable eligibility requirements and the terms and conditions of all plans and policies. 

  

	 	(b)	Business Expenses. Executive shall be entitled to reimbursement for business expenses under the same policies that apply to other similarly situation Company employees as determined by the Company from time to
time. 

 6. Termination of Employment. 
  

	 	(a)	Company’s Right to Terminate Executive’s Employment for Cause. The Company shall have the right to terminate Executive’s employment with the Company at any time for “Cause.” For purposes
of this Agreement, “Cause” shall mean: 

  

	 	(i)	any material breach of this Agreement by Executive, which such material breach remains uncorrected for thirty (30) days after the Company provides Executive written notice of its belief that this Section 6(a)
is being or has been violated by Executive; 

  
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	 	(ii)	Executive’s being the subject of any final, non-appealable order, judicial or administrative, obtained or issued by the Securities and Exchange Commission for any securities violation involving fraud, including
without limitation any order in which findings of facts or any legal conclusions establishing liability are neither admitted nor denied; conviction of Executive, or plea of nolo contendere by Executive, to any felony or crime involving moral
turpitude; or 

  

	 	(iii)	Executive’s material mismanagement in providing material services to the Company or its Affiliates, which such mismanagement is not cured within thirty (30) days after the Company provides Executive written
notice of its belief that this Section 6(a)(iii) is being or has been violated. 

  

	 	(b)	Company’s Right to Terminate for Convenience. 

 Upon thirty (30) days advance
written notice, the Company shall have the right to terminate Executive’s employment for convenience. 
  

	 	(c)	Executive’s Right to Terminate for Good Reason. Executive shall have the right to terminate his employment with the Company at any time for “Good Reason.” For purposes of this Agreement,
“Good Reason” shall mean: 

  

	 	(i)	a material diminution in Executive’s authority, title or position, duties, or responsibilities; 

  

	 	(ii)	a material breach by the Company of its obligations to Executive pursuant to this Agreement or a material breach by the Company of its Bylaws or Certificate of Incorporation; 

 

	 	(iii)	the involuntary relocation of the geographic location of Executive’s principal place of employment by more than 40 miles from the location of Executive’s principal place of employment as of the Effective Date;
or 

  

	 	(iv)	a diminution in the Executive’s Base Salary. 

 Notwithstanding the foregoing provisions of this
Section 6(c) or any other provision of this Agreement to the contrary, any assertion of Executive of a termination for Good Reason shall not be effective unless all of the following conditions are satisfied: (A) Executive must provide
written notice to the Company of the condition described in Sections 6(c)(i), 6(c)(ii), 6(c)(iii) or 6(c)(iv) that gives rise to Executive’s belief that Good Reason for termination exists within sixty (60) days after Executive first
becomes aware of the initial existence of the condition; (B) the condition 

  
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specified in such notice must remain uncorrected for thirty (30) days after receipt of such notice by the Company; and (C) the date of Executive’s termination of employment must
occur within ninety-one (91) days after Executive first becomes aware of the initial existence of the condition specified in such notice. 
  

	 	(d)	Death or Disability. Upon the death or Disability of Executive, Executive’s employment with Company shall terminate with no further obligation under this Agreement of either party, or their successors in
interest; provided that the Company shall pay to the estate of Executive any outstanding amounts due under this Agreement. For purposes of this Agreement, a “Disability” shall exist if Executive is unable to perform
the essential functions of his position, with reasonable accommodation, due to physical or mental illness or injury which continues for a period in excess of four (4) consecutive months. The determination of a Disability will be made by the
Company; provided that if the Executive disputes the determination, the matter shall be submitted to a qualified doctor mutually acceptable to the Company and the Executive for final determination, and the Executive shall submit to such
examinations as the doctor shall reasonably request in order to enable the doctor to make the determination. If requested by the Company, Executive shall submit to a mental or physical examination to be performed by an independent physician selected
by the Company to assist the Company in making such determination. 

  

	 	(e)	Executive’s Right to Terminate for Convenience. Executive shall have the right to terminate his employment with the Company for convenience at any time upon thirty (30) days advance written notice to
the Company. 

  

	 	(f)	Effect of Termination. 

  

	 	(i)	 If Executive’s employment terminates pursuant to Sections 6(b) or 6(c) above, and Executive executes a Release Agreement in a form satisfactory
to the Company, which such form will be substantially in the form of Exhibit A (the “Release”), and the Release becomes irrevocable within 53 days of the date Executive’s employment is terminated, the Company
shall make a payment to Executive equal to 1.0 times the sum of the Executive’s Base Salary and 1.8 times the Executive’s Average Bonus Amount (the “Severance Payment”). For purposes of the foregoing,
“Average Bonus Amount” means the average of the most recent two Annual Bonus amounts paid to the Executive (including such amounts paid by PEG LP in relation to the Executive’s service as an employee of PEG LP prior to
the Effective Date). The Severance Payment shall be paid, in a lump sum within twenty (20) days after the Release becomes irrevocable; provided, however, that (i) if the Executive’s termination of employment occurs
during the last 73 days of any calendar year, the Severance Payment will in all events be paid in the following calendar year, and (ii) if Severance Payment would be 

  
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subject to additional taxes and interest under Section 409A of the Internal Revenue Code because the timing of such payment is not delayed as provided in Section 409A(a)(2)(B) of the
Internal Revenue Code, then such payment shall be paid on the date that is six months after the date of Executive’s termination of employment with the Company (or if such payment date does not fall on a business day of Company, the next
following business day of Company), or such earlier date upon which such payment can be paid under Section 409A of the Internal Revenue Code without being subject to such additional taxes and interest. Each payment under this Agreement shall be
treated as a right to a separate payment for purposes of Section 409A of the Internal Revenue Code. If Executive is eligible for continuation insurance coverage under the Consolidated Omnibus Budget Reconciliation Act of 1985
(“COBRA”) and has timely elected such coverage, then the Company shall reimburse Executive for the monthly premium he pays for such continuation coverage for the first twelve (12) months following a termination of
employment pursuant to Sections 6(b), 6(c), 6(d)(in case of Disability) above; provided that in order to receive such reimbursement, Executive must not be eligible to participate in the group health plan of any other employer.

  

	 	(ii)	 If Executive’s employment ceases pursuant to the expiration of the Initial Term or then-applicable Renewal Term as a result of the Company
choosing to not renew, and Executive executes the Release and the Release becomes irrevocable within 53 days of the date Executive’s employment is terminated, the Company shall provide Executive a payment equal to 50% of the Severance Payment
(the “Reduced Severance Payment”) in a lump sum within twenty (20) days after the Release becomes irrevocable; provided, however, that (i) if the Executive’s termination of employment occurs
during the last 73 days of any calendar year, the Reduced Severance Payment will in all events be paid in the following calendar year, and (ii) if the Reduced Severance Payment would be subject to additional taxes and interest under
Section 409A of the Internal Revenue Code because the timing of such payment is not delayed as provided in Section 409A(a)(2)(B) of the Internal Revenue Code, then such payment shall be paid on the date that is six months after the date of
Executive’s termination of employment with the Company (or if such payment date does not fall on a business day of Company, the next following business day of Company), or such earlier date upon which such payment can be paid under
Section 409A of the Internal Revenue Code without being subject to such additional taxes and interest. Each payment under this Agreement shall be treated as a right to a separate payment for purposes of Section 409A of the Internal Revenue
Code. If Executive is eligible for continuation insurance coverage 

  
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under the COBRA and has timely elected such coverage, then the Company shall reimburse Executive for the monthly premium he pays for such continuation coverage for the first six (6) months
following the end of employment pursuant to the expiration of the Initial Term or then-applicable Renewal Term as a result of the Company choosing not to renew; provided that in order to receive such reimbursement, Executive must not be
eligible to participate in the group health plan of any other employer. 

  

	 	(iii)	Upon the termination of Executive’s employment for any reason, all earned, unpaid Base Salary and accrued, unused paid time off shall be paid to Executive no later than within 72 hours of his last day of employment
or such earlier time as may be required by law. With the exception of any payments to which Executive may be entitled, including but not limited to expense reimbursements and indemnification or other payment rights under any ancillary agreement
between Company and Executive, and that are payable after the termination of this Agreement, the Company shall have no further obligation under this Agreement to make payments to Executive. 

 

	 	(g)	Termination of Employment. All references in this Agreement to Executive’s termination of employment shall mean and be deemed to occur only if and when a “separation from service” within the
meaning of Section 409A and the applicable regulations thereunder has occurred. 

 7. Conflicts of
Interest. Executive agrees that he shall promptly disclose to the Board any conflict of interest involving Executive upon Executive becoming aware of such conflict. 

8. Confidentiality. Executive acknowledges and agrees that, in the course of his employment with the Company, he
will be provided with, and have access to, valuable Confidential Information (as defined below) of the Company, its Affiliates and of third parties who have supplied such information to the Company or its Affiliates, as applicable. In consideration
of Executive’s receipt and access to such Confidential Information and in exchange for other valuable consideration provided hereunder, Executive agrees to comply with this Section 8.  

 

	 	(a)	Executive covenants and agrees, both during the term of the Employment Period and thereafter, except as expressly permitted by this Agreement or by directive of the Board, he shall not disclose any Confidential
Information to any Person and shall not use any Confidential Information except for the benefit of the Company or any of its Affiliates. He shall take all reasonable precautions to protect the physical security of all documents and other material
containing Confidential Information (regardless of the medium on which the Confidential Information is stored). This covenant shall apply to all Confidential Information, whether now known or later to become known to Executive during the Employment
Period. 

  
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	 	(b)	Executive covenants and agrees, both during the term of the Employment Period and thereafter, that he shall not disparage the Company or any of its Affiliates or any of their respective wind farms, projects, services,
directors, officers, shareholders, attorneys or employees, or any person or entity acting by, through, under or in concert with any of them, in any written or oral statement. Nothing in this Section 8(b) shall prohibit him from testifying
truthfully in any court or arbitral proceeding, government investigation, or in response to any lawfully issued subpoena. 

  

	 	(c)	Executive covenants and agrees that for a period of 24 months following termination for any reason he will not either directly or indirectly solicit, induce, recruit or encourage any employees of the Company or its
Affiliates to leave their employment, or take away such employees, or attempt to solicit, induce, recruit, encourage or take away employees of the Company or its Affiliates for the benefit of the Executive or the benefit of any third party.

  

	 	(d)	Notwithstanding Section 8(a), Executive may make the following disclosures and uses of Confidential Information: 

  

	 	(i)	disclosures to partners, members, executives, officers, managers, directors, attorneys, agents, consultants, or employees of the Company or its Affiliates or their lenders or investors or potential lenders or investors
who have a need to know the information in connection with the business of the Company or its Affiliates; 

  

	 	(ii)	disclosures to customers and suppliers when, in the reasonable and good faith belief of Executive, such disclosure is in connection with Executive’s performance of his services under this Agreement and is in the
best interests of the Company; 

  

	 	(iii)	disclosures and uses that are approved by the Board; 

  

	 	(iv)	disclosures to a Person that has been retained by the Company to provide services to the Company, and who have a need to know the information in connection with the business of the Company or its Affiliates;

  

	 	(v)	disclosures for the purpose of complying with any applicable laws or regulatory requirements; 

  

	 	(vi)	disclosures for the purpose of complying with judicial or administrative rules or rules of professional conduct that are binding on Executive; or 

 

	 	(vii)	 disclosures that Executive is legally compelled to make by deposition, interrogatory, request for documents, subpoena, civil investigative demand,
order of a court of competent jurisdiction, or 

  
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similar process, or otherwise by law; provided, however, that, prior to any such disclosure, Executive shall, to the extent legally permissible: 

 

	 	(A)	provide the Board with prompt notice of such requirements so that the Board may seek a protective order or other appropriate remedy or waive compliance with the terms of this Section 8; 

 

	 	(B)	consult with the Board on the advisability of taking steps to resist or narrow such disclosure; and 

  

	 	(C)	cooperate with the Board (at the Company’s reasonable cost and expense) in any attempt it may make to obtain a protective order or other appropriate remedy or assurance that confidential treatment will be afforded
the Confidential Information; and in the event such protective order or other remedy is not obtained, Executive agrees (1) to furnish only that portion of the Confidential Information that is legally required to be furnished and (2) to
exercise (at the Company’s reasonable cost and expense) all reasonable efforts to obtain assurance that confidential treatment will be accorded such Confidential Information. 

 

	 	(e)	Upon the expiration of the Employment Period and at any other time upon request of the Company, Executive shall surrender and deliver to the Company all documents (including without limitation electronically stored
information) and other material of any nature containing or reflecting any Confidential Information in Executive’s possession and shall not retain any such document or other material. Within ten (10) days of any such request, Executive
shall certify to the Company in writing that all such materials have been returned to the Company. 

  

	 	(f)	 “Confidential Information” is all non-public information, designs, ideas, concepts, improvements, product developments,
discoveries and inventions, whether patentable or not, that are conceived, made, developed or acquired by Executive, individually or in conjunction with others, during the Employment Period (whether during business hours or otherwise and whether on
the Company’s premises or otherwise) that relate to the Company’s or any of its Affiliates’ businesses or properties, products or services (including, without limitation, all such information relating to corporate opportunities,
business plans, strategies for developing business and market share, research, financial and sales data, pricing terms, evaluations, opinions, interpretations, acquisition prospects, the identity of customers or their requirements, the identity of
key contacts within customers’ organizations or within the organization of acquisition prospects, or marketing and merchandising techniques, prospective names 

  
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and marks) that may exist from time-to-time in the areas of power generation or transmission or any other enterprise in which the Company is engaged, or is planning to be engaged to
Executive’s knowledge. Moreover, all documents, videotapes, written presentations, brochures, drawings, memoranda, notes, records, files, correspondence, manuals, models, specifications, computer programs, E-mail, voice mail, electronic
databases, maps, drawings, architectural renditions, models and all other writings or materials of any type including or embodying any Confidential Information are and shall be the sole and exclusive property of the Company or its Affiliates and be
subject to the same restrictions on disclosure applicable to all Confidential Information pursuant to this Agreement. 

 9.
Ownership of Intellectual Property. Executive agrees that the Company shall own, and Executive agrees to assign and does hereby assign, all right, title and interest (including but not limited to patent rights, copyrights, trade secret
rights, mask work rights, trademark rights, and all other intellectual and industrial property rights of any sort throughout the world) relating to any and all inventions (whether or not patentable), works of authorship, mask works, designs,
know-how, ideas and information authored, created, contributed to, made or conceived or reduced to practice, in whole or in part, by Executive during the Employment Period which (a) relate, at the time of conception, reduction to practice,
creation, derivation or development, to the Company’s or any of its Affiliates’ business or research or development, and (b) were developed on any amount of the Company’s time or with the use of any of the Company’s or its
Affiliates’ equipment, supplies, facilities, trade secret information or other Confidential Information (all of the foregoing collectively referred to herein as “Company Intellectual Property”), and Executive will
promptly disclose all Company Intellectual Property to the Company. All of Executive’s works of authorship and associated copyrights created during the Employment Period and in the scope of Executive’s employment shall be deemed to be
“works made for hire” within the meaning of the Copyright Act of 1976, as amended. Executive agrees to perform, during and after the Employment Period, all reasonable acts deemed necessary by the Company to assist the Company, at the
Company’s expense, in obtaining and enforcing its rights throughout the world in the Company Intellectual Property. Such acts may include, but are not limited to, execution of documents and reasonable assistance or cooperation (i) in the
filing, prosecution, registration, and memorialization of assignment of any applicable patents, copyrights, mask work, or other applications, (ii) in the enforcement of any applicable patents, copyrights, mask work, moral rights, trade secrets,
or other proprietary rights, and (iii) in other legal proceedings related to the Company Intellectual Property. 
 10. Defense of
Claims. Executive agrees that, during the Employment Period and thereafter, upon reasonable request from the Company, Executive will reasonably cooperate with the Company or its Affiliates in the defense of any claims or actions that may be
made by or against the Company or its Affiliates that relate to Executive’s actual or prior areas of responsibility, except if Executive’s reasonable interests are adverse to the Company or its Affiliate(s), as applicable, in such claim or
action. The Company agrees to pay or reimburse Executive for all of Executive’s reasonable travel and other direct expenses incurred, or to be reasonably incurred, to comply with Executive’s obligations under this Section 10,
provided that Executive provides reasonable documentation of same no later than thirty (30) days after incurring 

  
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such expenses. Reimbursement of expenses under this Section 10 shall be made no later than thirty (30) days after Executive submits all supporting documentation. Executive is not
permitted to receive a payment or benefit in lieu of or in exchange for reimbursement under this Section 10. The amount of expenses eligible for reimbursement in one year will not affect the amount of expenses eligible for reimbursement in any
other year. 
 11. Arbitration 
  

	 	(a)	Subject to Section 11(b), any dispute, controversy or claim between Executive and the Company arising out of or relating to this Agreement or Executive’s employment with the Company will be finally settled by
arbitration in the city in which Executive is employed before, and in accordance with the rules for the resolution of employment disputes then in effect of, the American Arbitration Association (“AAA”). The arbitration award
shall be final and binding on both parties. 

  

	 	(b)	Any arbitration conducted under this Section 11 shall be heard by a single arbitrator (the “Arbitrator”) selected in accordance with the Employment Arbitration Rules of the AAA. The
disputing party desiring to initiate arbitration hereunder in connection with any dispute shall provide written notice to the other disputing party (an “Arbitration Notice”), which notice shall set forth the demand for
arbitration, and include a statement of the matter underlying the dispute. 

  

	 	(c)	The Arbitrator shall expeditiously (and, if possible, within ninety (90) days after selection) hear and decide all matters concerning the dispute. Except as expressly provided to the contrary in this Agreement, the
Arbitrator shall have the power to (i) gather such materials, information, testimony and evidence as he deems relevant to the dispute before him (and each party will provide such materials, information, testimony and evidence requested by the
Arbitrator, except to the extent any information so requested is proprietary, subject to a third-party confidentiality restriction, or to an attorney-client or other privilege), and (ii) grant injunctive relief and enforce specific performance.
If he deems necessary, the Arbitrator may propose to the disputing parties that one or more other experts be retained to assist it in resolving the dispute. The retention of such other experts shall require the unanimous consent of the disputing
parties, which shall not be unreasonably withheld. Each disputing party, the Arbitrator, and any proposed expert shall disclose to the other disputing party any business, personal or other relationship or affiliation that may exist between such
disputing party (or the Arbitrator) and such proposed expert; and any disputing party may disapprove of such proposed expert on the basis of such relationship or affiliation. The decision of the Arbitrator (which shall be rendered in writing) shall
be final, non-appealable and binding upon the disputing parties and the parties agree that judgment upon the award may be entered by any court of competent jurisdiction; provided that the parties agree that the Arbitrator and any court
enforcing the award of the Arbitrator shall not have the right or authority to award punitive or exemplary damages to any disputing party. 

  
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	 	(d)	Each side shall share equally the cost of the arbitration and bear its own costs and attorneys’ fees incurred in connection with any arbitration, and the Arbitrator shall not have the power to award fees or
expenses to either party notwithstanding any contrary provisions of the Employment Arbitration Rules of the AAA. 

  

	 	(e)	Notwithstanding Section 11(a), an application for emergency or temporary injunctive relief by either party shall not be subject to arbitration under this Section 11; provided, however, that the
remainder of any such dispute (beyond the application for emergency or temporary injunctive relief) shall be subject to arbitration under this Section 11. 

  

	 	(F)	BY ENTERING INTO THIS AGREEMENT AND ENTERING INTO THE ARBITRATION PROVISIONS OF THIS SECTION 11, THE PARTIES EXPRESSLY ACKNOWLEDGE AND AGREE THAT THEY ARE KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVING ANY RIGHTS
TO A JURY TRIAL. 

  

	 	(g)	Nothing in this Section 11 shall prohibit a party to this Agreement from (i) instituting litigation to enforce any arbitration award, or (ii) joining another party to this Agreement in a litigation
initiated by a Person which is not a party to this Agreement. 

 12. Withholdings; Right of Offset. The Company
may withhold and deduct from any payments made or to be made pursuant to this Agreement (a) all federal, state, local and other taxes as may be required pursuant to any law or governmental regulation or ruling or (b) any deductions
consented to in writing by Executive. 
 13. Title and Headings; Construction. Titles and headings to Sections hereof are for
the purpose of reference only and shall in no way limit, define or otherwise affect the provisions hereof. Any and all exhibits or attachments referred to in this Agreement are, by such reference, incorporated herein and made a part hereof for all
purposes. The words “herein,” “hereof,” “hereunder” and other compounds of the word “here” shall refer to the entire Agreement and not to any particular provision hereof. 

14. Applicable Law; Submission to Jurisdiction. This Agreement shall in all respects be governed and construed according to the
laws of the State of California. With respect to any claim or dispute related to or arising under this Agreement, the parties hereby consent to the arbitration provisions of Section 11 above and recognize and agree that should any resort to a
court be necessary and permitted under this Agreement, then they consent to the exclusive jurisdiction, forum and venue of the state and federal courts located in San Francisco, California. 

15. Entire Agreement and Amendment. This Agreement contains the entire agreement of the parties with respect to the matters
covered herein; moreover, this Agreement 

  
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supersedes all prior and contemporaneous agreements and understandings, oral or written, between the parties hereto concerning the subject matter hereof. This Agreement may be amended only by a
written instrument executed by both parties hereto. 
 16. Waiver of Breach. Any waiver of this Agreement must be executed by
the party to be bound by such waiver. No waiver by either party hereto of a breach of any provision of this Agreement by the other party, or of compliance with any condition or provision of this Agreement to be performed by such other party, will
operate or be construed as a waiver of any subsequent breach by such other party or any similar or dissimilar provision or condition at the same or any subsequent time. The failure of either party hereto to take any action by reason of any breach
will not deprive such party of the right to take action at any time while such breach continues. 
 17. Assignment. This
Agreement is personal to Executive, and neither this Agreement nor any rights or obligations hereunder shall be assignable or otherwise transferred by Executive. The Company may assign this Agreement to any of its Affiliates and to any successor
(whether by merger, purchase or otherwise) to all or substantially all of the equity, assets or businesses of the Company, if such successor expressly agrees to assume the obligations of the Company hereunder. 

18. Affiliates. For purposes of this Agreement, the term “Affiliates” is defined as any person or entity
Controlling, Controlled by, under common Control with the Company, or managed by the same executives as those who manage the day to day operations of the Company. The term “Control,” including the correlative term
“Controlled By” means possession, directly or indirectly, of the power to direct or cause the direction of management or policies (whether through ownership of securities or any Company or other ownership interest, by
contract or otherwise) of a person or entity. For the purposes of the preceding sentence, Control shall be deemed to exist when a person or entity possesses, directly or indirectly, through one or more intermediaries (a) in the case of a
corporation more than 50% of the outstanding voting securities thereof; (b) in the case of a limited liability company, partnership, limited partnership or venture, the right to more than 50% of the distributions therefrom (including
liquidating distributions); or (c) in the case of any other person or entity, more than 50% of the economic or beneficial interest therein. 

19. Notices. Notices provided for in this Agreement shall be in writing and shall be deemed to have been duly received
(a) when delivered in person or sent by facsimile transmission, (b) on the first business day after such notice is sent by air express overnight courier service, or (c) on the third business day following deposit in the United States
mail, registered or certified mail, return receipt requested, postage prepaid and addressed, to the following address, as applicable: 
  

	 	(1)	If to the Company, addressed to: 

 Pattern Energy Group Inc. 

Attn: General Counsel 
 Pier 1,
Bay 3 
 San Francisco, CA 94111 

Facsimile: (415) 362-7900 

  
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	 	(2)	If to Executive, addressed to: 

 Michael J. Lyon 

10710 NE 10th Street, Apt. #1903 

Bellevue, WA 98004 
 20.
Counterparts. This Agreement may be executed in any number of counterparts, including by facsimile or e-mail pdf, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute
one and the same instrument. Each counterpart may consist of a copy hereof containing multiple signature pages, each signed by one party, but together signed by both parties hereto. 

21. Deemed Resignations. Unless otherwise agreed to in writing by the Company and Executive prior to the termination of
Executive’s employment, any termination of Executive’s employment shall constitute: (i) an automatic resignation of Executive as an officer of the Company and each Affiliate of the Company, as applicable, and (ii) an automatic
resignation of Executive from the Board (if applicable), from the board of directors of any Affiliate of the Company (if applicable), and from the board of directors or any similar governing body of any corporation, limited liability entity or other
entity in which the Company or any Affiliate holds an equity interest and with respect to which board or similar governing body Executive serves as the Company’s or such Affiliate’s designee or other representative (if applicable). 

22. Compliance with Code Section 409A. The intent of the parties is that the payments and benefits under this Agreement
comply with or be exempt from Section 409A of the Internal Revenue Code of 1986, as amended, and the regulations and guidance promulgated thereunder (collectively, “Section 409A”) and, accordingly, to the maximum extent
permitted, this Agreement shall be interpreted to be in compliance therewith. To the extent that any reimbursements under this Agreement are subject to Section 409A, any such reimbursements payable to Executive shall be paid to Executive no
later than December 31 of the year following the year in which the expense was incurred; provided, that Executive submits Executive’s reimbursement request promptly following the date the expense is incurred, the amount of expenses
reimbursed in one year shall not affect the amount eligible for reimbursement in any subsequent year, other than medical expenses referred to in Section 105(b) of the Code, and Executive’s right to reimbursement under this Agreement will
not be subject to liquidation or exchange for another benefit. Except as otherwise permitted under Section 409A, no payment hereunder shall be accelerated or deferred unless such acceleration or deferral would not result in additional tax or
interest pursuant to Section 409A 
 23. Separate Payments. Each payment under this Agreement shall be treated as a right to a
separate payment for purposes of Section 409A of the Code. 
 [Signature page follows] 

  
 13 

 IN WITNESS WHEREOF, Executive and the Company each have caused this Agreement to be
executed in its name and on its behalf, to be effective as of the Effective Date. 
  

	
	EXECUTIVE:
	
	/s/ Michael J. Lyon
	Michael J. Lyon

  

			
	COMPANY:
	
	Pattern Energy Group Inc.
		
	By:		/s/ Michael M. Garland
			 Michael M. Garland
 Chief Executive
Officer

 SIGNATURE PAGE TO EMPLOYMENT AGREEMENT 

 EXHIBIT A 

RELEASE AGREEMENT 
 This
Release Agreement (this “Agreement”) constitutes the release referred to in that certain Employment Agreement (the “Employment Agreement”) dated as of October 2, 2013, by and between Michael J.
Lyon (“Executive”) and Pattern Energy Group Inc. (the “Company”). 
 (a) For
good and valuable consideration, including the Company’s provision of a severance payment to Executive in accordance with Section 6(f)(i) of the Employment Agreement, Executive hereby releases, discharges and forever acquits the Company,
its Affiliates (as defined in the Employment Agreement) and subsidiaries, the past, present and future stockholders, members, partners, directors, managers, employees, agents, attorneys, heirs, representatives, successors and assigns of the
foregoing, in their personal and representative capacities (collectively, the “Company Parties”) from liability for, and hereby waives, any and all claims, damages, or causes of action of any kind related to Executive’s
employment with any Company Party, the termination of such employment, and any other acts or omissions related to any matter on or prior to the date of the execution of this Agreement including without limitation any alleged violation through the
date of this Agreement of: (i) the Age Discrimination in Employment Act of 1967, as amended; (ii) Title VII of the Civil Rights Act of 1964, as amended; (iii) the Civil Rights Act of 1991; (iv) Section 1981 through 1988 of
Title 42 of the United States Code, as amended; (v) Employee Retirement Income Security Act of 1974, as amended; (vi) the Immigration Reform Control Act, as amended; (vii) the Americans with Disabilities Act of 1990, as amended;
(viii) the National Labor Relations Act, as amended; (ix) the Occupational Safety and Health Act, as amended; (x) the Family and Medical Leave Act of 1993; (xi) any state anti-discrimination law; (xii) any state wage and
hour law; (xiii) any other local, state or federal law, regulation or ordinance; (xiv) any public policy, contract, tort, or common law claim; (xv) any allegation for costs, fees, or other expenses including attorneys’ fees
incurred in these matters; (xvi) any and all rights, benefits or claims Executive may have under any employment contract, incentive compensation plan or equity plan with any Company Party or to any ownership interest in any Company Party except
as expressly provided in the Employment Agreement and any equity or other equity compensation agreement between Executive and the Company and (xvii) any claim for compensation or benefits of any kind not expressly set forth in the Employment
Agreement or any equity compensation agreement (collectively, the “Released Claims”). In no event shall the Released Claims include (a) any claim which arises after the date of this Agreement, (b) any claims for
payments under the Employment Agreement, if such payments are payable after the date of this Agreement, (c) any claim of Executive to vested benefits under an employee benefit plan, (d) any rights or health benefits of Executive under
Consolidated Omnibus Budget Reconciliation Act of 1985 or (e) any rights under the Limited Company Agreement of Pattern Energy Holdings LP. This Agreement is not intended to indicate that any such claims exist or that, if they do exist, they
are meritorious. Rather, Executive is simply agreeing that, in exchange for the consideration recited in the first sentence of this paragraph, any and all potential claims of this nature that Executive may have against the Company Parties,
regardless of whether they actually exist, are 

  
 EXHIBIT A 

Page 1 

 
expressly settled, compromised and waived. By signing this Agreement, Executive is bound by this Agreement. Anyone who succeeds to rights and responsibilities, including but not limited to
successors by merger, heirs or the executor of Executive’s estate, is bound by this Agreement. This release also applies to any claims brought by any person or agency or class action under which the Executive may have a right or benefit.
Notwithstanding the release of liability contained herein, nothing in this Agreement prevents Executive from filing any non-legally waivable claim (including a challenge to the validity of this Agreement) with the Equal Employment Opportunity
Commission (“EEOC”) or comparable state or local agency or participating in any investigation or proceeding conducted by the EEOC or comparable state or local agency; however, Executive understands and agrees that Executive
is waiving any and all rights to recover any monetary or personal relief or recovery as a result of such EEOC or comparable state or local agency proceeding or subsequent legal actions. THIS RELEASE INCLUDES MATTERS ATTRIBUTABLE TO THE SOLE OR
PARTIAL NEGLIGENCE (WHETHER GROSS OR SIMPLE) OR OTHER FAULT, INCLUDING STRICT LIABILITY, OF ANY OF THE COMPANY PARTIES. 

(b) Executive agrees not to bring or join any lawsuit against any of the Company Parties in any court relating to any of the
Released Claims. Executive represents that Executive has not brought or joined any lawsuit or filed any charge or claim against any of the Company Parties in any court or before any government agency and has made no assignment of any rights
Executive has asserted or may have against any of the Company Parties to any person or entity, in each case, with respect to any Released Claims. 

(c) By executing and delivering this Agreement, Executive acknowledges that: 

 

	 	(i)	He has carefully read this Agreement; 

  

	 	(ii)	He has had at least [twenty-one (21)] [forty-five (45)] days to consider this Agreement before the execution and delivery hereof to the Company [Add if 45 days applies: , and he acknowledges that attached to
this Agreement are (1) a list of the positions and ages of those employees selected for termination (or participation in the exit incentive or other employment termination program); (2) a list of the ages of those employees not selected
for termination (or participation in such program); and (3) information about the unit affected by the employment termination program of which his termination was a part, including any eligibility factors for such program and any time limits
applicable to such program]; 

  

	 	(iii)	He has been and hereby is advised in writing that he may, at his option, discuss this Agreement with an attorney of his choice and that he has had adequate opportunity to do so; 

 

	 	(iv)	 He fully understands the final and binding effect of this Agreement; the only promises made to him to sign this Agreement are those

  
 EXHIBIT A 

Page 2 

	 	
stated in the Employment Agreement and herein; and he is signing this Agreement voluntarily and of his own free will, and that he understands and agrees to each of the terms of this Agreement;
and 

  

	 	(v)	With the exception of any sums that he may be owed pursuant to the Employment Agreement that are not payable until after the date that he has executed this Agreement, Executive has been paid all wages and other
compensation to which he is entitled from all Company Parties and received all leaves (paid and unpaid) to which he was entitled during the Employment Period (as defined in the Employment Agreement). 

(d) Executive acknowledges and agrees that he is aware of California Civil Code Section 1542, which provides as follows; 

A general release does not extend to claims which the creditor does not know or suspect to exist in his favor at the time of executing the
release, which if known by him must have materially affected his settlement with the debtor. 
 With full awareness and understanding
of the above provisions, Executive hereby waives any and all right he may have under Section 1542, as well as under any other statutes or common law principles of similar effect. Executive intends to, and hereby does, release the Released
Parties from claims which he does not presently know or suspect to exist. 
 (e) Notwithstanding the initial effectiveness of this
Agreement, Executive may revoke the delivery (and therefore the effectiveness) of this Agreement within the seven-day period beginning on the date Executive delivers this Agreement to the Company (such seven day period being referred to herein as
the “Release Revocation Period”). To be effective, such revocation must be in writing signed by Executive and must be delivered to the Chairman of the Board of Directors of Pattern Energy Group Inc. before 11:59 p.m., Eastern
Time, on the last day of the Release Revocation Period. If an effective revocation is delivered in the foregoing manner and timeframe, this Agreement shall be of no force or effect and shall be null and void ab initio. No consideration shall
be paid if this Agreement is revoked by Executive in the foregoing manner. 
 Executed on this
             day of                     ,
            . 

  
 EXHIBIT A 

Page 3 

 
	
	
	   

	Michael J. Lyon

  

			
	Pattern Energy Group Inc.
		
	By:		 
			 Name:
 Title:

  
 EXHIBIT A 

Page 4 

 SCHEDULE 1 

None 
 SCHEDULE 1EX_10_01_FormofRestrictedStockUnitAgreementCEO

EPAM SYSTEMS, INC.
2012 LONG-TERM INCENTIVE PLAN 
FORM OF CHIEF EXECUTIVE OFFICER                                                                   RESTRICTED STOCK UNIT AWARD AGREEMENT 
1. Grant of RSUs.  EPAM Systems, Inc., a Delaware corporation (the “Company”), hereby grants to «Grantee» (the “Participant”), on «Date» (the “Grant Date”), «Number of Shares underlying award» restricted share units (the “RSUs”), subject to the terms, definitions and provisions of the EPAM Systems, Inc. 2012 Long-Term Incentive Plan (the “Plan”) adopted by the Company, which is incorporated in this Agreement by reference, and the terms and conditions of this Agreement. Each RSU shall represent the right to receive one Share upon the vesting of such RSU in accordance with this Agreement. Unless otherwise defined in this Agreement, the terms used in this Agreement shall have the meanings defined in the Plan. 
2. Vesting Schedule and Distribution. Subject to Section 5, the RSUs shall vest and become non-forfeitable one-fourth on each of the first, second, third and fourth anniversaries of the Grant Date. Subject to the provisions of this Agreement, upon the vesting of any of the RSUs, the Company shall distribute to the Participant, on or within 30 days after the date of such vesting, one Share for each such RSU; provided that (x) any required regulatory filings, including, without limitation, any filings that may be required pursuant to the Hart-Scott-Rodino Act in connection with the vesting and settlement of the RSUs, have been timely filed and any required waiting period under the Hart-Scott-Rodino Act has expired or been terminated or (y) the vesting and settlement of the RSUs do not require any such regulatory filings.
3.     Voting Rights.  The Participant shall have no voting rights with respect to the RSUs unless and until the Participant becomes the record owner of the Shares underlying the RSUs.
4.    Dividend Equivalents.  The Participant shall not be eligible to receive dividend equivalents with respect to the RSUs unless and until the Participant becomes the record owner of the Shares underlying the RSUs.
5. Termination of Service.  Following the Participant’s Termination of Service, the RSUs  shall vest and settle or be forfeited as set forth in this Section 5.
(a) Death or Disability.  In the event of the Participant’s Termination of Service at any time due to the Participant’s death or Disability, any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant. 
(b) For Cause.  In the event of the Participant’s Termination of Service for Cause (as defined below), any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.
“Cause” means the Company’s good faith determination of the Participant’s:  
(i) willful material breach, or habitual neglect of, the Participant’s duties or obligations in connection with the Participant’s employment or service; 
(ii) having engaged in willful misconduct, gross negligence or a breach of fiduciary duty, or his or her willful material breach of his or her duties to the Company or under his or her Employment Agreement, if applicable, or of any of the Company policies; 
(iii) having been convicted of, or having entered a plea bargain or settlement admitting guilt for, (x) a felony or (y) any other criminal offense involving moral turpitude, fraud or, in the course of the performance of the Participant’s service to the Company, material dishonesty; 

(iv) unlawful use or possession of illegal drugs on the Company’s premises or while     performing the Participant’s duties and responsibilities to the Company; or 
(v) the commission of an act of fraud, embezzlement or material misappropriation, in each case, against the Company or any Affiliate;
provided that, in the case of clauses (i) and (ii) above, the Company shall provide the Participant with written notice specifying the circumstances alleged to constitute Cause, and, if possible, the Participant shall have 30 days following receipt of such notice to cure such circumstances.
(c) Termination in Connection with a Change of Control.  In the event of the Participant’s Termination of Service by the Company or any Affiliate without Cause or by the Participant for Good Reason (as defined below), in each case, on or within two years after a Change of Control, any unvested RSUs shall fully vest as of the date of such termination.  
“Good Reason” means “Good Reason” as defined in the Participant’s Employment Agreement, if any, or if not so defined, the occurrence of any of the following events, in each case without the Participant’s consent: 
(i) a reduction in the Participant’s base compensation and cash incentive opportunity, other than any such reduction that applies generally to similarly situated employees or executives of the Company; 
(ii) relocation of the geographic location of the Participant’s principal place of employment or service by more than 50 miles from the Participant’s principal place of employment or service; or 
(iii) a material reduction in the Participant’s title, duties, responsibilities or authority;
provided that, in each case, (A) the Participant shall provide the Company with written notice specifying the circumstances alleged to constitute Good Reason within 90 days following the first occurrence of such circumstances, (B) if possible, the Company shall have 30 days following receipt of such notice to cure such circumstances, and (C) if the Company has not cured such circumstances within such 30-day period, the Participant shall terminate his or her employment or service not later than 60 days after the end of such 30-day period. 
(d) For Any Other Reason.  In the event of the Participant’s Termination of Service at any time under circumstances not described in Sections 5(a), 5(b) or 5(c), any unvested RSUs shall be forfeited as of the date of such termination without any payment to the Participant.
6. Non-Transferability Until Distribution. The RSUs shall not be assigned, sold, transferred or otherwise be subject to alienation by the Participant. Upon the distribution of Shares underlying RSUs in accordance with Section 2, such Shares shall be fully assignable, saleable and transferable by the Participant. Any assignment, sale, transfer or other alienation with respect to the Shares issuable upon the vesting of the RSUs shall be in accordance with applicable securities laws.
7. Miscellaneous Provisions.

(a)Notices.  All notices, requests and other communications under this Agreement shall be in writing and shall be delivered in person (by courier or otherwise), mailed by certified or registered mail, return receipt requested, or sent by facsimile transmission, as follows:
 
if to the Company, to:
 
EPAM Systems, Inc.
41 University Drive 

2

Newtown, Pennsylvania 18940 
Attention: General Counsel 
Facsimile: 267-759-8989
 
if to the Participant, to the address that the Participant most recently provided to the Company, or to such other address or facsimile number as such party may hereafter specify for the purpose by notice to the other parties hereto.
(b)Effect of Agreement.  The Participant acknowledges receipt of a copy of the Plan and represents that he or she is familiar with the terms and provisions thereof (and has had an opportunity to consult counsel regarding the terms of the RSUs), and hereby accepts the RSUs and agrees to be bound by its contractual terms as set forth herein and in the Plan. The Participant acknowledges and agrees that the grant of the RSUs constitutes additional consideration to the Participant for the Participant’s continued and future compliance with any restrictive covenants in favor of the Company by which the Participant is otherwise bound. The Participant hereby agrees to accept as binding, conclusive and final all decisions and interpretations of the Committee regarding any questions relating to the RSUs. In the event of a conflict between the terms and provisions of the Plan and the terms and provisions of this Agreement, the Plan terms and provisions shall prevail. The Agreement, including the Plan, constitutes the entire agreement between the Participant and the Company on the subject matter hereof and supersedes all proposals, written or oral, and all other communications between the parties relating to such subject matter.
(c)Amendment; Waiver.  No amendment or modification of any provision of this Agreement shall be effective unless signed in writing by or on behalf of the Company and the Participant, except that the Company may amend or modify this Agreement without the Participant’s consent in accordance with the provisions of the Plan or as otherwise set forth in this Agreement. No waiver of any breach or condition of this Agreement shall be deemed to be a waiver of any other or subsequent breach or condition whether of like or different nature. Any amendment or modification of or to any provision of this Agreement, or any waiver of any provision of this Agreement, shall be effective only in the specific instance and for the specific purpose for which made or given.
(d)Successors and Assigns; No Third Party Beneficiaries.  This Agreement shall inure to the benefit of and be binding upon the Company and the Participant and their respective heirs, successors, legal representatives and permitted assigns. Nothing in this Agreement, expressed or implied, is intended to confer on any Person other than the Company and the Participant, and their respective heirs, successors, legal representatives and permitted assigns, any rights, remedies, obligations or liabilities under or by reason of this Agreement.
(e)Severability.  If any provision of this Agreement shall be declared by any court or arbitrator of competent jurisdiction to be invalid, illegal or incapable of being enforced in whole or in part, the remaining conditions and provisions or portions thereof shall nevertheless remain in full force and effect and enforceable to the extent they are valid, legal and enforceable.
(f)Dispute Resolution.  If any dispute arising out of or relating to this Agreement or the Plan, or the breach thereof, cannot be settled through negotiation, the parties agree first to try in good faith to settle such dispute by mediation. If the parties fail to settle such dispute within 30 days after the commencement of such mediation, such dispute shall be settled by arbitration conducted in the state of Pennsylvania and judgment on the arbitral award rendered may be entered in any court having jurisdiction thereof. 

IN WITNESS WHEREOF, the parties have executed this Agreement as of the day and year first written above.
 

3

 
	
			
	 
	EPAM SYSTEMS, INC.

	 
	 

	 
	 

	 
	By:
	 

	 
	 
	Name:

	 
	 
	Title:

	 
	 

	 
	 

	 
	Participant

4

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