Company: SION
Filing Date: 2025-01-17
Form Type: S-1
Source: 0001193125-25-008474
Chunk: 282

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-01-17
Form: S-1
Chunk 282
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 TPG Inc., a Delaware corporation, whose shares of Class B                                                 
 common stock (which represent a majority of the combined voting power of the common stock) are held collectively by (i) TPG Group Holdings (SBS), L.P., a Delaware limited partnership, whose general partner is TPG Group Holdings (SBS) Advisors,       |

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| LLC, a Delaware limited liability company, (ii) Alabama Investments (Parallel), LP, a Delaware limited partnership, whose general partner is Alabama Investments (Parallel) GP, LLC, a                                                                   
 Delaware limited liability company (“Alabama Investments”), (iii) Alabama Investments (Parallel) Founder A, LP, a Delaware limited partnership, whose general partner is Alabama Investments, and (iv) Alabama Investments (Parallel)                    
 Founder G, LP, a Delaware limited partnership, whose general partner is Alabama Investments. The managing member of each of TPG Group Holdings (SBS) Advisors, LLC and Alabama Investments is TPG GP A, LLC, a Delaware limited liability company, which 
 is controlled by entities owned by David Bonderman, James G. Coulter and Jon Winkelried. Messrs. Bonderman, Coulter and Winkelried disclaim beneficial ownership of the securities held by RFS and RFS II except to the extent of their pecuniary        
 interest therein. Lucian Iancovici, M.D. is a managing director with TPG Growth and expressly disclaims beneficial ownership of the shares held by RFS and RFS II. The address of each of these entities and individuals is 301 Commerce Street, Suite   
 3300, Fort Worth, TX 76102.                                                                                                                                                                                                                              |

| (6) | Consists of (i) 845,113 shares of common stock issuable upon the conversion of Series C preferred stock held by                                                                                                                                    
 Viking Global Opportunities Drawdown (Aggregator) LP (the “Drawdown Fund”) which has the authority to dispose of and vote such shares which power may be exercised by its general partner, Viking Global Opportunities Drawdown Portfolio GP       
 LLC (the “Drawdown GP”) and (ii) 1,715,837 shares of common stock issuable upon the conversion of Series C preferred stock held by Viking Global Opportunities Illiquid Investments Sub-Master LP                                                  
 ( the “Opportunities Fund”), which has the authority to dispose of and vote such shares which power may be exercised by its general partner, Viking Global Opportunities Portfolio GP LLC (the “Opportunities GP”). Viking Global