X0306 4 2022-06-10 0 0001828161 FTC Solar, Inc. FTCI 0001854578 Quiroga Cortes Isidoro Alfonso C/O FTC SOLAR, INC. 9020 N CAPITAL OF TEXAS HWY, SUITE I-260 AUSTIN TX 78759 1 0 0 0 Common Stock 2022-06-10 4 P 0 28400 5.23 A 879118 D Represents a weighted average purchase price per share for these shares, which were acquired in multiple transactions at prices ranging from $5.180 to $5.270. 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 acquired at each separate price within the range. /s/ Jacob D. Wolf, as Attorney-in-Fact 2022-06-13