Company: QTIWW
Filing Date: 2025-02-05
Form Type: 424B3
Source: 0001628280-25-004061
Chunk: 407

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-02-05
Form: 424B3
Chunk 407
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<div align='center'>(Unaudited)</div>

120%, or $240,000, of the Bridge Loan at each Bridge Lender’s option. The maturity date was the closing date of the Business Combination as defined in Note 1. The Bridge Loan conversion price was at $2.00 per share on a post-business combination. On March 4, 2024, four of the five Bridge Loan holders elected the cash option and were paid an aggregate of $960,000 on the Merger Date. Interest expense related to the payment premium was $0 and $160,000 for the three and nine months ended September 30, 2024, respectively.

As of September 30, 2024, there was no amount outstanding for the Bridge Loan. As of December 31, 2023, the outstanding amount of the Bridge Loan, excluding the US Capital Note, was $774,337, net of unamortized debt issuance costs of $25,663. Interest expense from the amortization of debt issuance costs for the three and nine months ended September 30, 2024 was $0 and $25,663, respectively.

#### Yorkville Pre-Paid Advance
On March 4, 2024, the Company received the Pre-Paid Advance of $10,000,000 from Yorkville and issued Yorkville the Yorkville Note in the amount of $10,000,000 for such Pre-Paid Advance that was originally due 15 months from the date of issuance, and interest shall accrue on the outstanding balance of the Yorkville Note at an annual rate equal to 6%, subject to an increase to 18% upon an event of default as described in the Yorkville Note. The Yorkville Note is convertible by Yorkville into shares of the Company's common stock. As consideration for the Pre-Paid Advance, immediately prior to, and substantially concurrently with, the closing of the Business Combination, QT Imaging issued to Yorkville that number of shares of QT Imaging which converted in the aggregate into 1,000,000 shares of the Company's common stock upon the completion of the Business Combination. In accordance with Accounting Standards Codification (“ASC”) 470-20, the proceeds of $10,000,000 were recorded between the promissory note and common stock less debt origination costs of $975,000, consisting of a $375,000 commitment fee for the SEPA and an original issue discount of 6% for the Yorkville Note, on a