Announcement for February 18, 2020 at 09:22 PM GMT

THIS IS AN ANNOUNCEMENT FOR THE MSCI GLOBAL STANDARD INDEXES

UPDATE TO THE METHODOLOGY BOOKS FOR THE MSCI ACWI SUSTAINABLE IMPACT INDEX AND
THE MSCI GLOBAL ENVIRONMENT INDEX

(Re: announcement sent on February 6, 2020)

MSCI Inc. (NYSE: MSCI), a leading provider of research-based indexes and
analytics, announced today that the following methodology books have been
updated and are available at: https://www.msci.com/index-methodology

- MSCI ACWI Sustainable Impact Index Methodology Book
- MSCI Global Environment Index Methodology Book

For further information on MSCI indexes or MSCI data, please visit our web site
at www.msci.com, or contact:

MSCI Global Client Service:
Americas Client Service: 1.888.588.4567 (toll free)/+ 1.212.804.3901
EMEA Client Service: + 44.20.7618.2222
Asia Pacific Client Service: + 852.2844.9333

THIS IS AN ANNOUNCEMENT FOR THE MSCI GLOBAL STANDARD INDEXES

                                     End of announcement.
                                     Further announcements may occur as needed.