BeOne Medicines Ltd. (Nasdaq: ONC; HKEX: 06160; SSE: 688235), a global oncology company, today announced that data from HERIZON-GEA-01 were published in The New England Journal of Medicine and will be presented in an oral presentation (Rapid Oral Abstract: 4010) at the American Society of Clinical Oncology (ASCO) Annual Meeting on June 1, 2026, in Chicago. The HERIZON-GEA-01 clinical trial evaluated ZIIHERA® (zanidatamab) plus chemotherapy, with and without TEVIMBRA® (tislelizumab), compared with the control arm of trastuzumab plus chemotherapy as first-line treatment for advanced/metastatic HER2+ gastroesophageal adenocarcinoma (GEA).