Item 1.01 Entry into a Material Definitive Agreement

On August 4, 2022, Technical Communications Corporation (the "Company") issued an amended and restated demand promissory note in the principal amount of up to $4,000,000 in favor of Carl H. Guild, Jr. Mr. Guild, the Company's Chief Executive Officer, President and Chairman of the Board, loaned the money to the Company to provide working capital. The $4,000,000 consists of $1,000,000 previously loaned to the Company at an interest rate of 6% and $2,000,000 previously loaned to the Company at an interest rate of 7.5% and an additional $1,000,000 at an interest rate of 7.5%. The additional funds will be available to the Company to borrow from Mr. Guild on a revolving basis and the loan has no specified term year and may be prepaid at any time without premium or penalty.

Item 9.01 Financial Statements and Exhibits.

a. Financial statements of businesses acquired. Not applicable.

b. Pro forma financial information. Not applicable.

c. Shell company transactions. Not applicable

d. Exhibits:

10.1 Third Amended and Restated demand Promissary Note with Carl H. Guild,

Jr. dated August 4, 2022

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