| Exhibit Number | | | | | | Description | | |
| 10.1 | | | | | | Modification No. 02 to Base Agreement, dated as of August 2, 2022, by and between Regeneron Pharmaceuticals, Inc. (the "Registrant") and Advanced Technology International. | | |
| 10.2* | | | | | | Modification No. 03 to Project Agreement, dated as of May 21, 2021, by and between the Registrant and Advanced Technology International. | | |
| 10.3 | | | | | | Modification No. 04 to Project Agreement, dated as of July 12, 2021, by and between the Registrant and Advanced Technology International. | | |
| 10.4* | | | | | | Modification No. 06 to Project Agreement, dated as of July 12, 2022, by and between the Registrant and Advanced Technology International. | | |
| 10.5* | | | | | | Modification P00001 to Supply Agreement, dated as of March 9, 2021, by and between the Registrant and the U.S. Army Contracting Command, New Jersey. | | |
| 10.6* | | | | | | Modification P00002 to Supply Agreement, dated as of June 17, 2021, by and between the Registrant and the U.S. Army Contracting Command, New Jersey. | | |
| 10.7 | | | | | | Modification P00003 to Supply Agreement, dated as of July 8, 2021, by and between the Registrant and the U.S. Army Contracting Command, New Jersey. | | |
| 10.8* | | | | | | Modification P00007 to Supply Agreement, dated as of July 29, 2022, by and between the Registrant and the U.S. Army Contracting Command, New Jersey. | | |
| 31.1 | | | | | | Certification of Principal Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934. | | |
| 31.2 | | | | | | Certification of Principal Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934. | | |
| 32 | | | | | | Certification of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350. | | |
| 101 | | | | | | Interactive Data Files pursuant to Rule 405 of Regulation S-T formatted in Inline Extensible Business Reporting Language ("Inline XBRL"): (i) the Registrant's Condensed Consolidated Balance Sheets as of September 30, 2022 and December 31, 2021; (ii) the Registrant's Condensed Consolidated Statements of Operations and Comprehensive Income for the three and nine months ended September 30, 2022 and 2021; (iii) the Registrant's Condensed Consolidated Statements of Stockholders’ Equity for the three and nine months ended September 30, 2022 and 2021; (iv) the Registrant's Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2022 and 2021; and (v) the notes to the Registrant's Condensed Consolidated Financial Statements. | | |
| 104 | | | | | | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). | | |
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| * Certain confidential portions of this exhibit were omitted in accordance with Item 601(b)(10) of Regulation S-K | | | | | | | | |