| Exhibit Number | | | Description | | |
| 3.1 | | | Our Amended and Restated Articles of Incorporation, effective April 24, 2024, attached hereto as Exhibit 3.1. | | |
| 3.2 | | | Our Amended and Restated Bylaws, effective October 23, 2023 (incorporated by reference to Exhibit 3.2 to the Company's Form 10-Q report for the quarter ended September 30, 2023, filed October 26, 2023). | | |
| 4.1 | | | Form of stock certificate for common stock (incorporated by reference to Exhibit 4 to the Company's 1998 Form 10-K, filed May 6, 1999). | | |
| 4.2 | | | Articles 5, 7, 8 and 9 of our Amended and Restated Articles of Incorporation, effective April 24, 2024, attached hereto as Exhibit 3.1. | | |
| 4.3 | | | Articles I and IV of our Bylaws, as amended through October 23, 2023 (incorporated by reference to Exhibit 3.2 to the Company's Form 10-Q report for the quarter ended September 30, 2023, filed October 26, 2023). | | |
| 4.4 (1) | | | Instruments defining the rights of holders of long-term debt securities of West and its subsidiaries have been omitted. | | |
| 10.1 | | | Third Amendment and Incremental Facility Amendment, dated as of July 2, 2024, among the Company, as borrower's representative, each of the lenders party thereto and Bank of America, N.A., as the administrative agent (incorporated by reference from our Form 8-k, filed July 8, 2024). | | |
| 31.1 | | | Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | |
| 31.2 | | | Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | |
| 32.1* | | | Certification by the Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. | | |
| 32.2* | | | Certification by the Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. | | |
| 101.INS | | | The instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document. | | |
| 101.SCH | | | Inline XBRL Taxonomy Extension Schema Document | | |
| 101.CAL | | | Inline XBRL Taxonomy Extension Calculation Linkbase Document | | |
| 101.LAB | | | Inline XBRL Taxonomy Extension Label Linkbase Document | | |
| 101.PRE | | | Inline XBRL Taxonomy Extension Presentation Linkbase Document | | |
| 101.DEF | | | Inline XBRL Taxonomy Extension Definition Linkbase Document | | |
| 104 | | | Inline XBRL for the cover page of this Quarterly Report on Form 10-Q, included in the Exhibit 101 Inline XBRL Document Set. | | |