X0306 4 2022-01-11 0 0001828161 FTC Solar, Inc. FTCI 0001854569 Cherukupalli Nagendra C/O FTC SOLAR, INC. 9020 N CAPITAL OF TEXAS HWY, SUITE I-260 AUSTIN TX 78759 0 1 0 0 CHIEF TECHNOLOGY OFFICER Common Stock 2022-01-11 4 S 0 74127 6.56 D 1680321 D Common Stock 2022-01-12 4 M 0 83370 0.069 A 1763691 D Employee Stock Options (right to buy) 0.069 2022-01-12 4 M 0 83370 0.00 D 2028-02-13 Common Stock 83370 0 D Reflects a sale pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. Represents a weighted average sales price per share for these shares, which were sold in multiple transactions at prices ranging from $6.46 to $6.72. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Reflects shares issued as a result of the exercise of employuee stock options by the Reporting Person. The options were fully vested as of January 1, 2022. /s/ Jacob D. Wolf, as Attorney-in-Fact 2022-01-13