X0306 4 2018-11-12 0 0001607716 Vivint Solar, Inc. VSLR 0001618959 Dickson Paul S. 1800 WEST ASHTON BLVD LEHI UT 84043 0 1 0 0 Chief Revenue Officer Common Stock 2018-11-12 4 M 0 124103 1.00 A 322514 D Common Stock 2018-11-12 4 S 0 124103 5.6659 D 198411 D Common Stock 2018-11-13 4 M 0 5897 1.00 A 204308 D Common Stock 2018-11-13 4 S 0 5897 5.5313 D 198411 D Stock Option (Right to Buy) 1.00 2018-11-12 4 M 0 124103 0.00 D 2023-07-11 Common Stock 124103 54916 D Stock Option (Right to Buy) 1.00 2018-11-13 4 M 0 5897 0.00 D 2023-07-11 Common Stock 5897 49019 D The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $5.64 to $5.71, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $5.45 to $5.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. This option is vested as to 130,000 shares. 49,019 unvested shares subject to the original grant vest on May 15, 2019 or, if earlier, when 313 Acquisition LLC receives cash proceeds with respect to its holdings of the issuer's common stock in an amount that equals $500 million more than its cumulative investment in the Issuer's common stock. /s/ Dana C. Russell, attorney-in-fact 2018-11-14