BriaCell Adds Two Key Large Cancer Centers To Ongoing Pivotal Phase 3 Clinical Study; Expects Completing Patient Enrollment In Late 2025 Or Early 2026 And May Report Top Line Data As Early As H1-2026

• Together, Los Angeles Cancer Network and Smilow Cancer Hospital at Yale New Haven add 30 satellite locations to enroll patients in BriaCell's pivotal Phase 3 study
• BriaCell's Phase 3 study currently has 58 active clinical sites across 15 states, including Smilow Cancer Hospital, Los Angeles Cancer Network, University of Arizona, DHR Health Oncology Institute, Sylvester Comprehensive Cancer Center, Cancer Care Northwest, Hematology Oncology Associates of Fredericksburg, Northwestern University, Manhattan Hematology/Oncology Associates, New York Cancer & Blood Specialists, and Texas Oncology-Baylor Charles A. Sammons Cancer Center

PHILADELPHIA and VANCOUVER, British Columbia, July 02, 2025 (GLOBE NEWSWIRE) -- BriaCell Therapeutics Corp. (NASDAQ:BCTX, BCTXW, BCTXZ))) (TSX:BCT) ("BriaCell" or the "Company"), a clinical-stage biotechnology company developing novel immunotherapies to transform cancer care, is pleased to announce the addition of two key large cancer centers to its ongoing pivotal Phase 3 clinical study (ClinicalTrials.gov as NCT06072612): Los Angeles Cancer Network and Smilow Cancer Hospital at New Haven. Each has 15 satellite locations. BriaCell anticipates completing patient enrollment in late 2025 or early 2026 and may report top line data as early as H1-2026.

BriaCell's pivotal Phase 3 clinical study is evaluating BriaCell's lead clinical candidate, Bria-IMT™, plus immune check point inhibitor (CPI) versus physician's choice in advanced metastatic breast cancer (Bria-ABC).