Company: BLLN
Filing Date: 2025-10-07
Form Type: S-1
Source: 0001193125-25-233697
Chunk: 406

Company: BillionToOne, Inc.
Filing Date: 2025-10-07
Form: S-1
Chunk 406
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 and each of them, his or her true and lawful agent, proxy, and attorney-in-fact,with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to (1) act on, sign and file with the Securities and Exchange Commission any and all amendments (including post-effective amendments) to this registration statement together with all schedules and exhibits thereto and any subsequent registration statement filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended, together with all schedules and exhibits thereto, (2) act on, sign, and file such certificates, instruments, agreements and other documents as may be necessary or appropriate in connection therewith, (3) act on and file any supplement to any prospectus included in this registration statement or any such amendment or any subsequent registration statement filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and (4) take any and all actions which may be necessary or appropriate to be done, as fully for all intents and purposes as he or she might or could do in person, hereby approving, ratifying and confirming all that such agent, proxy and attorney-in-factor any of his substitutes may lawfully do or cause to be done by virtue thereof. Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.

| Signature                   
 /s/ Oguzhan Atay            
 Oguzhan Atay                
 /s/ Ross Taylor             
 Ross Taylor                 |     | Title                                        
 Chief Executive Officer and Director         
 (Principal Executive Officer)                
 Chief Financial Officer                      
 (Principal Financial and Accounting Officer) |     | Date            
 October 7, 2025 
 October 7, 2025 |
|:----------------------------|:----|:---------------------------------------------|:----|:----------------|
| /s/ David Tsao              
 David Tsao                  |     | Chief Technology Officer and Director        |     | October 7, 2025 |
| /s/ Thomas Bremner          
 Thomas Bremner              |     | Director                                     |     | October 7, 2025 |
| /s/ Firat Ileri             
 Firat Ileri                 |     | Director                                     |     | October 7, 2025 |
| /s/ Krishna Swaroop Kolluri 
 Krishna Swaroop Kolluri