BioNTech Highlights Late-Stage Lung Cancer Pipeline Momentum and First Global Data for Pumitamig/Elfetabart Drozuntecan Novel-Novel Combination at WCLC 2026

* Pumitamig plus B7H3-targeting elfetabart drozuntecan delivers the first data in lung cancer for any PD-(L)1xVEGF bispecific immunomodulator combined with an antibody-drug conjugate, underscoring BioNTech’s leadership in novel-novel combination treatment strategies * Updated overall survival data for gotistobart from the PRESERVE-003 Phase 3 clinical trial will add to the growing body of evidence for this chemotherapy-free treatment approach in the second- and later-line treatment of advanced squamous non-small cell lung cancer following prior immunotherapy * BioNTech is advancing a diversified development program in lung cancer treatment spanning more than 16 ongoing clinical trials across subtypes, biomarkers and treatment settings, including five ongoing Phase 3 clinical trials and two novel-novel combination trials MAINZ, Germany, August 20, 2026 – BioNTech SE (Nasdaq: BNTX, “BioNTech” or “the Company”) will present new clinical data from its diversified development program in lung cancer treatment at the IASLC 2026 World Conference on Lung Cancer (“WCLC”) in Seoul, Republic of Korea, from September 12-15, 2026.