#Section 1.5 of the Purchase Agreement is hereby amended to read in its entirety as follows:

Purchase Agreement. By its acceptance of this Note, each party agrees to be bound by the applicable terms of the Purchase Agreement.

Purchase Agreement. The Company and the Holder shall be bound by the applicable terms of the Purchase Agreement and the documents entered into in connection herewith and therewith.

Purchase Agreement. Each of the Parties agrees that for all purposes under the Purchase Agreement, # the term “Call Option” as used therein shall be deemed to mean the “Early Call Option” as contemplated herein, # the term “Margin Loan Financing” as used therein shall be deemed to include the debt financing contemplated by the 2021 Margin Loan Agreements, # the obligations of NEP and its affiliates pursuant to [Section 5.05(c)] of the Purchase Agreement with respect to the NEP Non-Voting Units (as defined in the Purchase Agreement) shall apply to the same extent to the NEP Common Units, and # the Issuer Agreement attached as [Exhibit E] to the Purchase Agreement shall be replaced with the form of issuer agreement attached as Exhibit C hereto.

Entire Agreement; Amendments. This Agreement and the agreements referenced herein contain the entire agreement of the parties relating to the subject matter hereof, and supersede in their entirety any and all prior agreements, understandings or representations relating to the subject matter hereof, and upon the Effective Date, this Agreement shall supersede the Prior Agreement in its entirety. No amendments, alterations or modifications of this Agreement will be valid unless made in writing and signed by the parties hereto. To the extent implied herein, the applicable provisions of this Agreement shall survive any termination of your employment.

Entire Agreement; Amendments. This Agreement supersedes, discharges and cancels all previous agreements regarding Executive’s employment with ​, including without limitation that certain Executive Agreement by and between ​ and Executive dated as of July 10, 2015, and constitutes the entire agreement between the parties with regard to the subject matter hereof. No agreements, representations, or statements of any party not contained herein shall be binding on either party. Further, no amendment or variation of the terms or conditions of this Agreement shall be valid unless in writing and signed by both parties.

Entire Agreement; Amendments. This Agreement, the Note and the instruments referenced herein contain the entire understanding of the parties with respect to the matters covered herein and therein and, except as specifically set forth herein or therein, neither the Company nor the Buyer makes any representation, warranty, covenant or undertaking with respect to such matters. No provision of this Agreement may be waived or amended other than by an instrument in writing signed by the majority in interest of the Buyer.

Entire Agreement; Amendments. The Agreement contains the entire understanding of the parties with respect to the subject matter hereof and supersedes all prior agreements and understandings, oral or written, with respect to such matters, which the parties acknowledge have been merged into such documents, exhibits and schedules.

Subject to the conditions herein (including, without limitation, [Section II(b)]), effective on the date hereof (the “Effective Date”), the Agreement is hereby amended by this letter amendment (this “Amendment”) as follows:

Amendments to Credit Agreement. The parties hereto agree that effective as of the First Amendment Effective Date (as defined below):