On June 28, 2022, ThermoGenesis Holdings, Inc. (the "Company") received a conversion notice from Boyalife Asset Holding II, Inc.("Boyalife") to convert a total of $3,000,000 of the outstanding balance 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 thereto dated March 4, 2022 (as amended, the "Note").