X0306 4 2021-09-24 0 0001828161 FTC Solar, Inc. FTCI 0001336378 Hunkler Sean C/O FTC SOLAR, INC. 9020 N CAPITAL OF TEXAS HWY, SUITE I-260 AUSTIN TX 78759 1 1 0 0 PRESIDENT AND CEO COMMON STOCK 2021-09-24 4 A 0 632250 0.00 A 632250 D OPTIONS (Rights to Buy) 8.14 2021-09-24 4 A 0 1053750 0.00 A Common Stock 1053750 1053750 D OPTIONS (Rights to Buy) 8.14 2021-09-24 4 A 0 1053750 0.00 A Common Stock 1053750 1053750 D Reflects a grant of restricted stock units subject to a four year installment vesting schedule based on continued employment. The options will be subject to a four year installment vesting schedule commencing on the first date after which the common stock of FTC Solar, Inc. has (a) closed above $30 per share on both the first and last day of any 90 day period, (b) closed above $30 per share on both the first and last day of any 60 trading day period during such 90 day period and (c) closed above $30 per share on at least 45 trading days during such 60 trading day period, provided that the options will be forfeited to the extent that such date has not occurred within 4 years of the grant date or between the 4-year anniversary and the 7-year anniversary of the grant date in certain circumstances. The options will be subject to a four year installment vesting schedule commencing on the first date after which the common stock of FTC Solar, Inc. has (a) closed above $60 per share on both the first and last day of any 90 day period, (b) closed above $60 per share on both the first and last day of any 60 trading day period during such 90 day period and (c) closed above $60 per share on at least 45 trading days during such 60 trading day period, provided that the options will be forfeited to the extent that such date has not occurred within 7 years of the grant date. /s/ Jacob D. Wolf, as Attorney-in-Fact 2021-10-01