Exhibit 99.1 IR INQUIRIES: Charles Messman Investor Relations 949-362-5800 IR@smithmicro.com Smith Micro Reports First Quarter 2024 Financial Results PITTSBURGH, PA, May 8, 2024 – Smith Micro Software, Inc. (Nasdaq: SMSI) (“Smith Micro” or the “Company”) today reported financial results for its first quarter ended March 31, 2024. “In the first quarter, we have made progress in several key areas that we believe position us for growth in the back half of this fiscal year,” said William W. Smith, Jr., presiden ...