THIRD OMNIBUS AMENDMENT TO
SECURED CONVERTIBLE LOAN AGREEMENT AND WARRANTS
THIS THIRD OMNIBUS AMENDMENT TO SECURED CONVERTIBLE LOAN AGREEMENT AND WARRANTS (this “Amendment”) is dated as of May 27, 2026 by and among NKGEN OPERATING BIOTECH, INC., a Delaware corporation (“NKGen OpCo”), NKGEN BIOTECH, INC., a Delaware corporation (“NKGen Bio”, and collectively with NKGen OpCo, the “Borrowers”), and AlpineBrook Capital GP I Limited (“AlpineBrook” or the “Lender”, and together with the Loan Parties, the “Parties”).
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