MSCI completes acquisition of First Street

New York – August 3, 2026 – MSCI Inc. (NYSE: MSCI) has completed its acquisition of First Street, a leading provider of physics-based climate risk data and analytics across more than 2.4 billion structures worldwide.

The acquisition was initially announced on June 24, 2026.

Richard Mattison, Head of Sustainability and Climate at MSCI, said: “We are pleased to complete the acquisition of First Street. By integrating First Street’s data into our existing climate solutions, we are strengthening our physical climate risk capabilities to enable clients to better understand how their risk exposures are evolving and incorporate that directly into financial decision making.”

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About MSCI

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 our about page.

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