Reminder: 2010 Market Classification Review Announcement Scheduled For June 21, 2010

MSCI Inc. (NYSE: MXB), a leading provider of investment decision support tools worldwide, announced on June 8, 2010 that it will release the results of the 2010 Market Classification Review on June 21, 2010. An announcement will be posted, shortly after 11:00 p.m. Central European Summer Time (CEST), on MSCI’s website www.msci.com.

The announcement will be made available shortly thereafter on Bloomberg page MSCN, and Reuters public pages MSCIA. MSCI will also distribute the announcement to clients through Client Options beginning immediately after the announcement appears on Bloomberg and/or Reuters.

MSCI will be holding a Press Conference Call following the announcement to answer questions from the media:

Date: Monday June 21, 2010
Time: 5.45pm EDT/10.45pm BST/11.45pm CEST
International Dial-In: [phone]
Pass Code: Market Classification
Toll Free Numbers:
US: 866-803-2143		Hong Kong: 800-900-592
UK: 0800-279-3953		Japan: 00531-12-1857

Please note that this press conference call is restricted to journalists. Replays of this call will not be available.

Clients and other interested parties should contact MSCI Global Client Service with any enquiries

About MSCI Inc.

MSCI Inc. is a leading provider of investment decision support tools to investors globally, including asset managers, banks, hedge funds and pension funds. MSCI products and services include indices, portfolio risk and performance analytics, and governance tools.