First investigational PD-(L)1xVEGF bispecific immunomodulator to present global data showing encouraging efficacy in combination with chemotherapy in first-line non-small cell lung cancer across PD-L1 expression levels and subtypes, highlighting its potential to set a new standard of care Pumitamig plus chemotherapy showed robust and consistent antitumor activity in first-line non-small cell lung cancer at both evaluated dose levels, with higher confirmed objective response rates at the lower dose of 63.6% in the non-squamous and 72.7% in the squamous subtypes Pumitamig is advancing through a comprehensive global Phase 3 development program in non-small cell lung cancer, including the actively enrolling pivotal Phase 3 part of the ROSETTA Lung-02 trial, along with two additional global Phase 3 trials MAINZ, Germany, and PRINCETON, USA, May 30, 2026 – BioNTech SE (Nasdaq: BNTX, “BioNTech”) and Bristol Myers Squibb Company (NYSE: BMY, “BMS”) today announced interim Phase 2 data from the global Phase 2/3 ROSETTA Lung-02 clinical trial (NCT06712316) evaluating the investigational PD-L1xVEGF-A bispecific immunomodulator pumitamig (also known as BNT327 or BMS-986545) plus chemotherapy in patients with previously untreated advanced non-small cell lung cancer (“NSCLC”). The data showed encouraging anti-tumor activity, with high response rates observed in both non-squamous and squamous NSCLC and at each PD-L1 expression level (TPS ˂ 1%, TPS 1 – 49%, and TPS ≥ 50%).