Exhibit 99.1 FTC Solar Announces First Quarter 2024 Financial Results First Quarter Highlights and Recent Developments • First quarter revenue of $12.6 million • Company remains focused on purchase orders, operational efficiencies, quality and customer service • Total backlog now stands at$1.8 billion • Continue to expect to achieve quarterly profitability in 2024 AUSTIN, Texas — May 10, 2024– FTC Solar, Inc. (Nasdaq: FTCI), a leading provider of solar tracker systems, software and engineering services, to ...