Company: BLLN
Filing Date: 2025-08-11
Form Type: DRS/A
Source: 0000950123-25-007483
Chunk: 357

Company: BillionToOne, Inc.
Filing Date: 2025-08-11
Form: DRS/A
Chunk 357
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 and Exchange Commission (SEC), registration fee, the Financial Industry Regulatory Authority (FINRA), filing fee and the Nasdaq listing fee.

| Item                                     |     | Amount     
 paid or    
 to be paid |   |
| SEC registration fee                     |     |            | * |
| FINRA filing fee                         |     |            | * |
| Nasdaq listing fee                       |     |            | * |
| Printing and engraving expenses          |     |            | * |
| Legal fees and expenses                  |     |            | * |
| Accounting fees and expenses             |     |            | * |
| Blue sky qualification fees and expenses |     |            | * |
| Transfer Agent fees and expenses         |     |            | * |
| Miscellaneous expenses                   |     |            | * |
| Total                                    |     | $          | * |

| * |     | To be completed by amendment |

Item 14. Indemnification of directors and officers Section 145 of the DGCL authorizes a court to award, or a corporation’s Board of Directors to grant, indemnity to directors and officers under certain circumstances and subject to certain limitations. The terms of Section 145 of the DGCL are sufficiently broad to permit indemnification under certain circumstances for liabilities, including reimbursement of expenses incurred, arising under the Securities Act. As permitted by the DGCL, our Post-IPOCertificate of Incorporation and Post-IPOBylaws, as each will be in effect immediately prior to the completion of this offering, contain provisions relating to the limitation of liability and indemnification of our directors and officers. The Post-IPOCertificate of Incorporation will provide that our directors will not be personally liable to us or our stockholders for monetary damages for any breach of fiduciary duty as a director, except for liability:

| • |     | for any breach of the director’s duty of loyalty to us or our stockholders; |

| • |     | for acts or omissions not in good faith or that involve intentional misconduct or a knowing violation of law; |

| • |     | in respect of unlawful payments of dividends or unlawful stock repurchases or redemptions as provided in Section 174 
 of the DGCL;                                                                                                         |

| • |     | an officer in any action by or in the right of the Company; or |

| • |     | for any transaction from which the director derives any improper personal benefit. |

Our Post-IPOCertificate of Incorporation also will provide that if Delaware law is amended after the approval