Company: BLLN
Filing Date: 2025-09-17
Form Type: DRS/A
Source: 0001193125-25-206347
Chunk: 290

Company: BillionToOne, Inc.
Filing Date: 2025-09-17
Form: DRS/A
Chunk 290
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   shares of Class A common stock held by Hummingbird                                                                                              
 Ventures III CommV; (iii)    shares of Class A common stock held by Hummingbird Dragons CommV; (iv)    shares of Class A common stock held by Hummingbird Collective CommV; and                                                                          
 (v)    shares of Class A common stock held by HB&Q NV (HB&Q COMPARTMENT III). Humming Bird Ventures Management NV is the managing member of Hummingbird Opportunity Fund II CommV, Hummingbird Ventures III CommV,                                       
 Hummingbird Dragons CommV, Hummingbird Collective CommV, and HB&Q NV (HB&Q COMPARTMENT III) (the Hummingbird Funds) and, as a result, may be deemed to beneficially own shares held by the Hummingbird Funds. Mr. Ileri, Barend Van den                  
 Brande, and Lukas Decoster are partners of Hummingbird Ventures Management NV and may be deemed to have shared voting and investment power over the shares held by the Hummingbird Funds. The address for each of the entities and individuals listed in 
 this footnote is Square Victoria Regain 1, 1210 Sint-Joost-ten-Node, Belgium.                                                                                                                                                                            |

| (11) |     | Consists of (i)    shares of Class A common stock held by Libertus Capital I; (ii)    shares of Class A common stock held by Libertus Capital I (HV); and                                                                                       
 (iii)    shares of Class A common stock held by Libertus Capital II. Libertus Capital S.A.R.L. is the general partner of Libertus Capital I, Libertus Capital I (HV) and Libertus Capital II (the Libertus Funds) and, as a                     
 result, may be deemed to beneficially own shares held by the Libertus Funds. Pamir Gelenbe, Johannes Dercksen and Pierre Ribeiro are members of the board of directors of Libertus Capital S.A.R.L. and may be deemed to have shared voting and 
 investment power over the shares held by the Libertus Funds. The address for each of the entities and individuals listed in this footnote is 31 rue de Hollerich, L-1741,