Investment Community Conference Call

Nader Pourhassan, Ph.D., President and Chief Executive Officer, Scott Kelly, M.D., Chairman, Chief Medical Officer and Head of Business Development, and Jacob Lalezari, M.D., Senior Science Advisor, will host an investment community conference call on Wednesday, August 12, 2020, to provide a comprehensive overview of the compelling results from the Company’s recently completed Phase 2 CD10 trial for COVID-19 patients with mild-to-moderate symptoms, along with an update on its Phase 3 trial for COVID-19 patients with severe-to-critical indications and the regulatory path going forward.