Company: QTIWW
Filing Date: 2025-08-07
Form Type: DEFA14A
Source: 0001844505-25-000081
Chunk: 6

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-08-07
Form: DEFA14A
Chunk 6
---
      |     -1,249 |     | $    |          -15,135 |     | $    |     -1,877 |
| Income tax expense                                                              |     |      |                           3 |     |      |          — |     |      |                3 |     |      |          — |
| Net loss                                                                        |     |      |                      -4,002 |     |      |     -1,249 |     | $    |          -15,138 |     | $    |     -1,877 |
| Less: deemed dividend related to the modification of equity classified warrants |     |      |                           — |     |      |     -5,186 |     |      |                — |     |      |     -5,186 |
| Net loss attributable to common stockholders                                    |     | $    |                      -4,002 |     | $    |     -6,435 |     | $    |          -15,138 |     | $    |     -7,063 |
| Basic and diluted net loss per share                                            |     | $    |                       -0.14 |     | $    |      -0.30 |     | $    |            -0.54 |     | $    |      -0.41 |
| Weighted average shares outstanding                                             |     |      |                  28,352,574 |     |      | 21,440,447 |     |      |       27,936,371 |     |      | 17,333,000 |

<div align='center'>Page 5

EBITDA* and Adjusted EBITDA* for the Three and Six Months Ended</div>

#### June 30, 2025 and 2024
<div align='center'>(Unaudited)</div>

| $ thousands                                      |     | 2025 | Three Months Ended 
           June 30, |     | 2024 |        |     | 2025 | Six Months Ended 
         June 30, |     | 2024 |        |
|:-------------------------------------------------|:----|:-----|-------------------:|:----|:-----|-------:|:----|:-----|-----------------:|:----|:-----|-------:|
| Net loss                                         |     | $    |             -4,002 |     | $    | -1,249 |     | $    |          -15,138 |