Item 6. Exhibits

EXHIBIT INDEX


	Exhibit Number	Description

	3.1	Third Amended and Restated Certificate of Incorporation (filed as Exhibit 3.1 to the Company’s Form 10-Q (File No. 001-33812), filed with the SEC on May 4, 2012 and incorporated by reference herein)

	3.2	Amended and Restated Bylaws (filed as Exhibit 3.2 to the Company’s Form 10-K (File No. 001-33812), filed with the SEC on February 9, 2024 and incorporated by reference herein)

	4.1	Indenture between MSCI Inc. and Wilmington Trust, National Association, as trustee, dated August 8, 2025 (filed as Exhibit 4.1 to the Company’s Form 8-K (File No. 001-33812), filed with the SEC on August 8, 2025 and incorporated by reference herein)

	4.2	First Supplemental Indenture between MSCI Inc. and Wilmington Trust, National Association, as trustee, dated August 8, 2025 (filed as Exhibit 4.2 to the Company’s Form 8-K (File No. 001-33812), filed with the SEC on August 8, 2025 and incorporated by reference herein)

	4.3	Form of Global Note representing the Company’s 5.250% Notes due 2035 (filed as Exhibit 4.3 to the Company’s Form 8-K (File No. 001-33812), filed with the SEC on August 8, 2025 and incorporated by reference herein)

	10.1	Third Amended and Restated Credit Agreement, dated as of August 20, 2025, among MSCI Inc., JPMorgan Chase Bank, N.A., as Administrative Agent and L/C Issuer, Bank of America, N.A., as Syndication Agent and L/C Issuer, and the other lenders party thereto (filed as Exhibit 10.1 to the Company’s Form 8-K (File No. 001-33812), filed with the SEC on August 20, 2025 and incorporated by reference herein)

*	31.1	Rule 13a-14(a) Certification of the Chief Executive Officer

*	31.2	Rule 13a-14(a) Certification of the Chief Financial Officer

**	32.1	Section 1350 Certification of the Chief Executive Officer and the Chief Financial Officer

*	101.INS	Inline XBRL Instance Document – 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	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

*Filed herewith.

**Furnished herewith.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Dated: October 28, 2025


			MSCI INC. (Registrant)

			By:			/s/ Andrew C. Wiechmann
						Andrew C. Wiechmann Chief Financial Officer (Principal Financial Officer)

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