X0306 4 2021-04-30 0 0001828161 FTC Solar, Inc. FTCI 0001233432 SADASIVAM SHAKER C/O FTC SOLAR, INC. 9020 N CAPITAL OF TEXAS HWY, SUITE I-260 AUSTIN TX 78759 1 0 1 0 Common Stock 2021-04-30 4 J 0 281574 12.155 D 3017094 I By limited liability company On April 30, 2021 the Issuer used a portion of the net proceeds from the closing of its initial public offering ("IPO") of Common Stock to purchase Common Stock from certain of the Issuer's pre-IPO equityholders, including the Reporting Person. The Reporting Person is the Manager of ChristSivam, LLC and has sole voting and dispositive power with respect to the shares held by ChristSivam, LLC. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such securities for Section 16 or any other purpose. /s/ Jacob D. Wolf, as Attorney-in-Fact 2021-05-04