MSCI Inc. (“MSCI” or the “Company”) (NYSE: MSCI) announced today that it will release its results for the fourth quarter and full year 2025 on Wednesday, January 28, 2026, before the market opens. A copy of the earnings release, as well as an earnings presentation and a quarterly update, will be made available on MSCI’s Investor Relations website.

MSCI’s senior management will review the fourth quarter and full year 2025 results on Wednesday, January 28, 2026, at 11:00 AM Eastern Time. To listen to the live event via webcast, visit the events and presentations section of MSCI’s Investor Relations website, https://ir.msci.com/events-and-presentations. Participants who wish to join via telephone should click here to register in advance. Registered participants will receive an email confirmation with a unique PIN to access the conference call. The earnings call webcast will include an accompanying slide presentation that can be accessed through MSCI’s Investor Relations website.

An archived replay of the webcast also will be available shortly after the live event on MSCI’s Investor Relations website, https://ir.msci.com/events-and-presentations.

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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