1 Q4 and Full Year 2023 Financial Results & Business Update Nasdaq: OABI March 20, 2024 2 Disclaimer We caution you that this presentation contains forward-looking statements. All statements other than statements of historical facts contained in this presentation, including statements regarding our future results of operations and financial position, expected cash runway and cash use, business strategy, our expectations regarding the application of, and the rate and degree of market acceptance of, our techn ...