MSCI To Announce On June 15, 2009 Its Final Conclusions From The Consultation On Proposed Market Reclassifications

MSCI Inc. (NYSE: MXB), a leading provider of investment decision support tools worldwide, will announce on June 15, 2009, shortly after 11:00 p.m. Central European Time (CET), on its website www.mscibarra.com, its final conclusions from the consultation discussions with the investment community on several market reclassification proposals.

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.