U.S. FDA Grants Emergency Use Authorization for Novavax COVID-19 Vaccine, Adjuvanted for Individuals Aged 18 and Over

• Novavax' vaccine is the first protein-based COVID-19 vaccine authorized in the U.S.
• Immunizations with the Novavax COVID-19 Vaccine, Adjuvanted as a primary series will begin upon product release and once a policy recommendation from the CDC is received

GAITHERSBURG, Md., July 13, 2022 /PRNewswire/ -- Novavax, Inc. (Nasdaq: NVAX), a biotechnology company dedicated to developing and commercializing next-generation vaccines for serious infectious diseases, today announced that the Novavax COVID-19 Vaccine, Adjuvanted (NVX-CoV2373) has received emergency use authorization (EUA) from the U.S. Food and Drug Administration (FDA) to provide a two-dose primary series for active immunization to prevent coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in individuals 18 years of age and over.

"Today's FDA emergency use authorization of our COVID-19 vaccine provides the U.S. with access to the first protein-based COVID-19 vaccine," said Stanley C. Erck, President and Chief Executive Officer, Novavax. "This authorization reflects the strength of our COVID-19 vaccine's efficacy and safety data, and it underscores the critical need to offer another vaccine option for the U.S. population while the pandemic continues."

"Patients and providers in the U.S. now have access to a protein-based COVID-19 vaccine backed by data that have demonstrated efficacy, safety, and tolerability," said Karen Kotloff, M.D., Professor of Pediatrics, University of Maryland School of Medicine, Associate Director of Clinical Studies at the Center for Vaccine Development and Global Health, COVID-19 Prevention Network co-lead for the PREVENT-19 trial. "Offering more vaccine technologies and options in our vaccination portfolio, including those built upon technologies that have been successfully used for years, will hopefully help to increase our country's vaccination rate."

The FDA EUA was based on data from the pivotal Phase 3 clinical trial, PREVENT-19, which enrolled approximately 30,000 participants aged 18 years and over in the U.S. and Mexico. In the trial, the Novavax COVID-19 Vaccine, Adjuvanted demonstrated 90.4% efficacy (95% confidence interval [CI], 83.8% to 94.3%; P