Company: BLLN
Filing Date: 2025-08-11
Form Type: DRS/A
Source: 0000950123-25-007483
Chunk: 151

Company: BillionToOne, Inc.
Filing Date: 2025-08-11
Form: DRS/A
Chunk 151
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 we elected to record with the change in the fair value of the loan. Change in fair value of convertible notes

|                                           |     | Year ended            
 December 31,          
 2023                  |         |   |     | 2024 |      |   |     | $ Change |        |     | % Change |       |
|:------------------------------------------|:----|:----------------------|:--------|:--|:----|:-----|:-----|:--|:----|:---------|-------:|:----|:---------|:------|
|                                           |     | -dollars in thousands |         |   |     |      |      |   |     |          |        |     |          |       |
| Change in fair value of convertible notes |     | $                     | (12,921 | ) |     | $    | (835 | ) |     | $        | 12,086 |     |          | (94)% |

Change in fair value of convertible notes decreased $12.1 million, or 94%, for the year ended December 31, 2024 compared to the year ended December 31, 2023. The decrease was due to a change in fair value of the 2022 Convertible Notes that were extinguished in 2024; we elected to include interest expense in the change in fair value of the convertible notes. Other expense, net

|                    |     | Year ended            
 December 31,          
 2023                  |      |   |     | 2024 |        |   |     | $ Change |      |   |     | % Change |      |
|:-------------------|:----|:----------------------|:-----|:--|:----|:-----|:-------|:--|:----|:---------|:-----|:--|:----|:---------|:-----|
|                    |     | -dollars in thousands |      |   |     |      |        |   |     |          |      |   |     |          |      |
| Other expense, net |     | $                     | (442 | ) |     | $    | (1,145 | ) |     | $        | (703 | ) |     |          | 159% |

Other expense, net increased $0.7 million, or 159%, for the year ended December 31, 2024 compared to the year ended December 31, 2023