X0306 4 2020-10-08 1 0001607716 Vivint Solar, Inc. VSLR 0001673823 Bywater David 1800 WEST ASHTON BLVD LEHI UT 84043 1 1 0 0 Chief Executive Officer Common Stock 2020-10-08 4 D 0 430150 0.00 D 620203 D Common Stock 2020-10-08 4 D 0 620203 0.00 D 0 D Stock Option (Right to Buy) 2.85 2020-10-08 4 D 0 337037 0.00 D 2026-12-14 Common Stock 337037 0 D Stock Option (Right to Buy) 3.15 2020-10-08 4 D 0 485436 0.00 D 2028-03-15 Common Stock 485436 0 D Stock Option (Right to Buy) 4.17 2020-10-08 4 D 0 929368 0.00 D 2029-01-17 Common Stock 929368 0 D Stock Option (Right to Buy) 7.75 2020-10-08 4 D 0 277161 0.00 D 2029-12-12 Common Stock 277161 0 D Disposed of pursuant to the Agreement and Plan of Merger, dated as of July 6, 2020 (the "Merger Agreement"), by and among Sunrun Inc. ("RUN"), Viking Merger Sub, Inc. and Vivint Solar, Inc. in exchange for 0.55 shares of RUN common stock per share. Pursuant to the Merger Agreement, the restricted stock units held by the Reporting Person were disposed of and converted into restricted stock units representing 0.55 shares of RUN common stock per share. Disposed of pursuant to the Merger Agreement and converted into an option to acquire 0.55 shares of RUN common stock per share. The shares subject to this option shall vest at the rate of 25% of the total number of shares on December 6, 2017 and thereafter 6.25% of the total shares subject to this option shall vest in equal quarterly installments beginning March 6, 2018, until the option is fully vested; in each such case subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through each such date. The shares subject to this option shall vest at the rate of 25% of the total number of shares on January 1, 2019 and thereafter 6.25% of the total shares subject to this option shall vest in equal quarterly installments beginning April 1, 2019, until the option is fully vested; in each such case subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through each such date. 25% of the shares subject to this award will vest on January 1, 2020, and 1/16th of the shares subject to this award will vest on each quarterly vesting date thereafter; in each such case subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through each such date. The term "quarterly vesting date" shall mean the sixth day of March, June, September and December of any fiscal year, as applicable. 25% of the shares subject to this award will vest on December 6, 2020, and 1/16th of the shares subject to this award will vest on each quarterly vesting date thereafter; in each such case subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through each such date. 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 2020-10-08