MSCI Inc. (“MSCI” or the “Company”) (NYSE: MSCI), a global connector of the financial ecosystem helping clients navigate risk and opportunity through data, models and research-based insights, announced today that Chief Financial Officer Andrew Wiechmann will participate in a fireside chat at the Barclays Global Financial Services Conference on Monday, September 8, 2025 at 12:00 PM Eastern Time.

A live webcast and replay of these events will be available on the events and presentations section of MSCI’s Investor Relations homepage, https://ir.msci.com/events-and-presentations.

Separately, the Company also published an investor presentation for investors on its Investor Relations homepage, ir.msci.com, on Monday, August 18, 2025. The Company’s management may use this presentation during meetings with investors and analysts.

On August 12, 2025, MSCI applied approximately $632 million of the net proceeds from its recently completed $1.25 billion senior notes offering to repay in full all outstanding borrowings under its $1.25 billion revolving credit facility.

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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