On February 4, 2024, Ms. Alana McNulty, notified the Board of Directors of NKGen Biotech, Inc. of her intention to resign as a director of the Company and as a member of Audit Committee, Compensation Committee, and Nomination and Corporate Governance Committee, effective as of February 4, 2024. Effective upon Ms. McNulty?s resignation as a director and as a member of the Committees, the size of the Company?s Board of Directors is temporarily reduced from five to four directors and the size of each Committee is temporarily reduced from three to two members. The Board of Directors will seek to appoint a new director and member of the Committees within 180 days of the effective date of Ms. McNulty?s resignation.