Cullinan Therapeutics to Host Virtual Analyst and Investor Event to Showcase Zipalertinib Plus Chemotherapy Phase 3 REZILIENT3 Data Presented at the IASLC 2026 World Conference on Lung Cancer

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Results from the planned interim analysis of the Phase 3 REZILIENT3 trial of zipalertinib plus chemotherapy in first-line EGFR exon 20 insertion mutation NSCLC to be presented in Presidential Symposium 2 on Sunday, September 13, 2026 Company to host a virtual event on Monday, September 14, 2026, at 8:00 a.m. ET CAMBRIDGE, Mass., Sept. 10, 2026 (GLOBE NEWSWIRE) -- Cullinan Therapeutics, Inc. (Nasdaq: CGEM), a clinical-stage biopharmaceutical company accelerating potential first- or best-in-class, disease-modifying T cell engagers in autoimmune diseases and cancer, today announced that it will host a virtual event for analysts and institutional investors on Monday, September 14, 2026, at 8:00 a.m. ET to discuss the results from the planned interim analysis of the Phase 3 REZILIENT3 trial presented in Presidential Symposium 2 at the International Association for the Study of Lung Cancer's (IASLC) 2026 World Conference on Lung Cancer (WCLC), being held September 12-15, 2026 in Seoul, South Korea. As previously announced, the Phase 3 REZILIENT3 trial of zipalertinib plus chemotherapy in the first-line treatment of patients with epidermal growth factor receptor (EGFR) exon 20 insertion mutation-positive non-small cell lung cancer (NSCLC) met its primary endpoint of progression-free survival at a planned interim analysis. Virtual Event Details Cullinan Therapeutics will host a virtual event for analysts and institutional investors on Monday, September 14, 2026, at 8:00 a.m. ET, following the Presidential Symposium presentation. Participants from Cullinan Therapeutics include Nadim Ahmed, Chief Executive Officer, Jeffrey Jones, MD, MBA, Chief Medical Officer. A live webcast will be available via the events page of Cullinan Therapeutics' investor relations website at https://investors.cullinantherapeutics.com/events . A replay will be archived on the website following the event. About Cullinan Therapeutics Cullinan Therapeutics, Inc. (Nasdaq: CGEM) is a biopharmaceutical company developing potential first- or best-in-class, disease-modifying T cell engagers for autoimmune diseases and cancer. Cullinan pursues promising therapeutic targets while leveraging core expertise in T cell engagers, which are established in oncology and are now advancing into autoimmune diseases. With a clinical-stage pipeline built on a rigorous scientific approach and purposeful innovation, Cullinan is advancing its mission to deliver new standards of care for patients. Learn more about Cullinan at https://cullinantherapeutics.com/ , and follow Cullinan on LinkedIn and X . Contacts Cullinan Therapeutics Investors Nick Smith +1 401.241.3516 [email protected] Media Rose Weldon +1 215.801.7644 [email protected]

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