On August 19, 2020, Patriot Scientific Corporation (referred to as 'Patriot' or 'Parent' in the transaction), entered into a stock purchase agreement (the 'Stock Purchase Agreement') among Parent, PTSC Sub One Inc., ('Buyer' and together with the Parent, the 'Buyer Parties'), Mosaic ImmunoEngineering Inc., (the 'Target' or 'Company'), certain stockholders of the Target set for therein (as 'Sellers'). In conjunction with the Stock Purchase Agreement, Mr. Carlton Johnson will resign from his role as Interim Chief Financial Officer of the Parent effective August 28, 2020. There were no disagreements with Mr. Johnson on any matters. Mr. Johnson will continue to serve as a member of the Board of Directors. Upon the resignation of Mr. Johnson, Mr. Paul Lytle will be appointed as Chief Financial Officer.