MSCI Inc. (“MSCI” or the “Company”) (NYSE: MSCI) today announced its 2026 quarterly earnings release dates and corresponding conference calls:

• First Quarter 2026 – Tuesday, April 21, 2026 at 11:00 a.m. Eastern Time
• Second Quarter 2026 – Tuesday, July 21, 2026 at 11:00 a.m. Eastern Time
• Third Quarter 2026 – Tuesday, October 20, 2026 at 11:00 a.m. Eastern Time
• Fourth Quarter 2026 – Tuesday, January 26, 2027 at 11:00 a.m. Eastern Time

Participants who wish to join the first quarter 2026 earnings call via telephone should register in advance by clicking here. Registered participants will receive an email confirmation with a unique PIN to access the conference call.

A copy of the earnings release and other related materials and a live webcast will be available on the events and presentation section of MSCI’s Investor Relations website https://ir.msci.com/events-and-presentations. An archived replay of the webcast will be available shortly after the conclusion of the event.

Dial-in and webcast details for future calls will be provided at a later date.

About MSCI Inc.

MSCI Inc. (NYSE: MSCI) strengthens global markets by connecting participants across the financial ecosystem with a common language. Our research-based data, analytics and indexes, supported by advanced technology, set standards for global investors and help our clients understand risks and opportunities so they can make better decisions and unlock innovation. We serve asset managers and owners, private-market sponsors and investors, hedge funds, wealth managers, banks, insurers and corporates.

To learn more, please visit www.msci.com. MSCI#IR

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