UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

Filed by the Registrant  ☒

Filed by a Party other than the Registrant  ☐

Check the appropriate box:

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material under §240.14a-12

VIVINT SOLAR, INC.

(Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check the appropriate box):

☒	No fee required.
☐	Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
	(1)    Title of each class of securities to which transaction applies:
	(2)    Aggregate number of securities to which transaction applies:
	(3)    Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is calculated and state how it was determined):
	(4)    Proposed maximum aggregate value of transaction:
	(5)    Total fee paid:
☐	Fee paid previously with preliminary materials.
☐	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	(1)    Amount Previously Paid:
	(2)    Form, Schedule or Registration Statement No.:
	(3)    Filing Party:
	(4)    Date Filed:

Step 1: Go to www.envisionreports.com/vslr. Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. www.envisionreports.com/vslr Online Go to www.envisionreports.com/vslr or scan the QR code — login details are located in the shaded bar below. Shareholder Meeting Notice 0396ZD Important Notice Regarding the Internet Availability of Proxy Materials for the Shareholder Meeting To Be Held on June 10, 2020 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the 2020 annual meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The 2020 proxy statement and annual report to shareholders are available at: Obtaining a Copy of the Proxy Materials If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before May 31, 2020 to facilitate timely delivery. 2 N O TEasy Online Access View your proxy materials and vote. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Step 4: Make your selections as instructed on each screen for your delivery preferences. Step 5: Vote your shares. MMMMMMMMMMMM MMMMMMMMM MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2
ADD 3 ADD 4 ADD 5 ADD 6 ENDORSEMENT LINE SACKPACK 1234 5678 9012 345 C 1234567890 C O Y 000004 MMMMMMM

Here’s how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. Internet Go to www.envisionreports.com/vslr. Click Cast Your Vote or Request Materials. Phone Call us free of charge at 1 866 641 4276. Email Send an email to investorvote@computershare.com with “Proxy Materials Vivint Solar, Inc.” in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials. To facilitate timely delivery, all requests for a paper copy of proxy materials must be received by May 31, 2020. Vivint Solar, Inc.’s 2020 Annual Meeting of Shareholders will be held on June 10, 2020 at 9:00 a.m. Mountain Time virtually via live webcast at www.meetingcenter.io/229871641, please use passcode VSLR2020 and your 15-digit control number printed on your Notice, or proxy card to participate in the Annual Meeting. Proposals to be voted on at the meeting are listed below along with the recommendations of the Board of Directors. The Board of Directors recommend a vote FOR all the nominees listed, FOR Proposals 2 and 3 and every ONE YEAR for Proposal 4. 1. Election of Directors: David Bywater, Ellen S. Smith and Peter F. Wallace. 2. Ratify the appointment of Ernst & Young LLP as independent registered public accounting firm for the fiscal year ending December 31, 2020. 3. To vote, on a non-binding advisory basis, to approve executive compensation. 4. To vote, on a non-binding advisory basis, on the frequency of future advisory votes on executive compensation. PLEASE NOTE YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. Shareholder Meeting Notice