Material Event Form 8 K

On June 30, 2024, ThermoGenesis Holdings, Inc. (the "Company") received a conversion notice from Boyalife Group, Inc. ("Boyalife") to convert $3,000,000 of the outstanding principal of the Second Amended and Restated Convertible Promissory Note issued by the Company to Boyalife on April 16, 2018, as amended by Amendment No 1 dated March 4, 2022, Amendment No 2 dated March 6, 2023 and Amendment No 3 dated January 5, 2024 (as amended, the "Note"). The conversion resulted in the issuance of 7,894,737 shares of the Company's common stock at a conversion price of $0.38 per share. Immediately following the conversion, the outstanding principal and accrued interest of the Note was approximately $3,441,000, and the Company's total outstanding shares were 15,847,517.