(Source: Business Wire)

MSCI Inc. (NYSE: MXB) announced today that it is commencing a registered
public offering of 3.3 million shares of its class A common stock, par
value $0.01 per share. MSCI Inc. also expects to grant the underwriters
an option to purchase up to 495,000 additional shares of class A common
stock to cover over-allotments. The offering is being made in
conjunction with MSCI's inclusion in the S&P MidCap 400 Index after the
market closes on November 5, 2009.
Net proceeds from the offering are expected to be used for general
corporate purposes, which may include the funding of strategic
acquisitions or the repayment of a portion of MSCI's credit facility.
Morgan Stanley is serving as sole book-running manager for the offering.
MSCI has filed a registration statement (including a prospectus) with
the SEC for the offering to which thiscommunication relates. Before you
invest, you should read the prospectus in that registration statement
and otherdocuments MSCI has filed with the SEC for more complete
information about MSCI and this offering. You may obtain these
documentsfor free by visiting EDGAR on the SEC Web site at www.sec.gov.
Alternatively, the issuer, any underwriter or any dealer participating
in the offering will arrange to send you theprospectusand
theprospectussupplement if you request them by calling Morgan Stanley
& Co. Incorporated at (866) 718-1649
About MSCI Inc.
MSCI Inc. is a leading provider of investment decision support tools to
investment institutions worldwide. MSCI Inc. products include indices
and portfolio risk and performance analytics for use in managing equity,
fixed income and multi-asset class portfolios.
The company's flagship products are the MSCI International Equity
Indices, which include over 120,000 indices calculated daily across more
than 70 countries, and the Barra risk models and portfolio analytics,
which cover 56 equity and 46 fixed income markets. MSCI Inc. is
headquartered in New York, with research and commercial offices around
the world. MXB#IR
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