SELLAS Life Sciences to Participate in the J.P. Morgan U.S. Opportunities Forum

Company Overview - SELLAS Life Sciences Group, Inc. is a late-stage clinical biopharmaceutical company focused on developing novel therapies for various cancer indications [2] - The lead product candidate, GPS, targets the WT1 protein found in multiple tumor types and has potential as both a monotherapy and in combination with other therapies [2] - The company is also developing SLS009 (tambiciclib), a differentiated small molecule CDK9 inhibitor, which shows a high response rate in AML patients with unfavorable prognostic factors [2] Event Participation - Dr. Angelos Stergiou, President and CEO of SELLAS, will participate in the J.P. Morgan U.S. Opportunities Forum on November 12, 2025 [1] - The event will take place at the Kimpton EPIC Hotel in Miami, Florida, and will consist of 1x1 investor meetings [2]