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                   Ting S. Chen 
                  Bethany A. Pfalzgraf 
                  Cravath, Swaine & Moore LLP 
                  Worldwide Plaza 
                  825 Eighth Avenue 
                  New York, NY 10019 
                  +1 (212) 474-1000 
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                     ☐ 
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                     Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer. 
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                     third-party tender offer subject to Rule 14d-1. 
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                     issuer tender offer subject to Rule 13e-4. 
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                     going-private transaction subject to Rule 13e-3. 
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                     amendment to Schedule 13D under Rule 13d-2. 
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                     Rule 13e-4(i) (Cross-Border Issuer Tender Offer) 
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| ☒ | 
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                     Rule 14d-1(d) (Cross-Border Third-Party Tender Offer) 
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                       Thermo Fisher Scientific Inc.  
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                       By: 
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                       /s/ Michael A. Boxer  
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                       Name: 
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                       Michael A. Boxer  
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                       Title: 
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                       Senior Vice President and General Counsel  
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| Date: | 
                    
                       July 17, 2024 
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                           Orion Acquisition AB, a direct, wholly owned subsidiary of Thermo Fisher Scientific Inc. 
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                           By: 
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                           /s/ Anthony H. Smith  
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                           Name: 
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                           Anthony H. Smith  
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                           Title: 
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                           Chairman and Director  
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| Date:  | 
                        
                           July 17, 2024 
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