On April 15, 2022, Christoph Lengauer, a member of the board of directors of HOOKIPA Pharma Inc. notified the Company that he will not stand for re-election to the Board when his term expires at the Company's 2022 annual meeting of shareholders on June 30, 2022. Dr. Lengauer's decision not to stand for re-election to the Board is not due to any disagreement with the Company. Dr. Lengauer will continue to serve as a member of the Board and a member of the Nominating and Corporate Governance Committee of the Board until the 2022 Annual Meeting, when his resignation will be deemed effective.