Exhibit 99.1 IR INQUIRIES: Charles Messman Investor Relations 949-362-5800 IR@smithmicro.com Smith Micro Reports Fourth Quarter and Fiscal Year 2023 Financial Results PITTSBURGH, PA, February 22, 2024 – Smith Micro Software, Inc. (Nasdaq: SMSI) (“Smith Micro” or the “Company”) today reported financial results for its fourth quarter and fiscal year ended December 31, 2023. “Looking back at 2023, we faced some challenges and implemented decisive changes to build a new path forward for the Company,” said Willi ...