Company: QTIWW
Filing Date: 2025-01-16
Form Type: S-1
Source: 0001628280-25-001723
Chunk: 331

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-16
Form: S-1
Chunk 331
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,822in interest on November 15, 2021.

The remaining balance of Loan 1 of $ 285,115is payable in monthly installments of $ 6,400, including interest at 1%, beginning August 5, 2021, with the final payment due May 5, 2025. As of December 31, 2023, the total principal outstanding under Loan 1 was $ 107,979, of which $ 76,058was current and $ 31,921was noncurrent. As of December 31, 2022, the total principal outstanding under Loan 1 was $ 183,273, of which $ 75,294was current and $ 107,979was noncurrent.

<div align='center'>F-16</div>

#### QT IMAGING, INC.

### NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
<div align='center'>For the years ended December 31, 2023 and 2022</div>

The remaining balance of Loan 2 of $ 228,019is payable in monthly installments of $ 4,605, including interest at 1%, beginning December 27, 2021, with the final payment due February 27, 2026. As of December 31, 2023, the total principal outstanding under Loan 2 was $ 118,369, of which $ 54,308was current and $ 64,061was noncurrent. As of December 31, 2022, the total principal outstanding under Loan 2 was $ 172,132, of which $ 53,763was current and $ 118,369was noncurrent.

Interest expense for Loan 1 and Loan 2 for the years ended December 31, 2023 and 2022 was $ 3,004and $ 4,305, respectively.

The SBA may undertake a review of a loan of any size during the six-year period following forgiveness or repayment of the loan. The review may include the loan forgiveness application, as well as whether the Company received the proper loan amount. The timing and outcome of any SBA review is not known.

Convertible Notes Payable

In June 2021, the Company entered into a convertible promissory note agreement (the “Note”) with USCG for advances of up to $ 10,000,000. Advances on the Note can be made to the Company up to six months after the inception of the