Novavax Global Commercial Operations and COVID-19 Vaccine Update

Anti-rs IgG GMT (EU/mL) with 95% CI IgG increases for all strains post-boost, above Phase 3 levels 11-month boost cohort (all ages) 100,000 95% VE* 10,000 1,000 100 88% VE* 66% VE* novavax Day 0 Fold increase relative to Pre-Boost Day 35 *CoP from Fong et al., 2023. DOI: 10.1038/s41467-022-35768-3 56 Days Prototype: 26.9x 11 Mo 11 Mo+28 Days © 2023 NOVAVAX. All rights reserved. 32

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