X0306 4 2018-11-07 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 2018-11-07 4 M 0 132157 1.00 A 377161 D Common Stock 2018-11-07 4 S 0 132157 5.75 D 245004 D Common Stock 2018-11-08 4 M 0 16164 3.45 A 261168 D Common Stock 2018-11-08 4 M 0 44445 1.30 A 305613 D Common Stock 2018-11-08 4 S 0 107202 5.8652 D 198411 D Stock Option (Right to Buy) 1.00 2018-11-07 4 M 0 132157 0.00 D 2023-07-11 Common Stock 132157 179019 D Stock Option (Right to Buy) 1.30 2018-11-08 4 M 0 44445 0.00 D 2024-01-23 Common Stock 44445 5555 D Stock Option (Right to Buy) 3.45 2018-11-08 4 M 0 16164 0.00 D 2027-10-02 Common Stock 16164 48491 D The sales reported by Mr. Dickson were effected pursuant to a Rule 10b5-1 trading plan. 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 $5.85 to $5.88, 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 262,157 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. This option is vested as to 44,445 shares. The remaining 5,555 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. 25% of the shares subject to this award vested on September 6, 2018, and 1/16th of the shares subject to this award will vest on each quarterly vesting date thereafter. The term "quarterly vesting date" shall mean the sixth day of March, June, September and December of any fiscal year, as applicable. /s/ Dana C. Russell, attorney-in-fact 2018-11-09