Exhibit 99.1 Tivic Reports First Quarter 2025 Financial Results and Provides Updates on Business Transformation Pre-recorded Conference Call to Follow at 1:30 p.m. PDT/4:30 p.m. EDT FREMONT, Calif. – May 15, 2025 – Tivic Health® Systems, Inc. (Nasdaq: TIVC), a diversified immunotherapeutics company, today announced financial results for the first quarter ended March 31, 2025 and outlined operational highlights based on its newly expanded clinical pipeline. "This is a defining time for the company. During th ...