FactSet Research Systems Dual Lists Its Common Stock On NASDAQ and NYSE Euronext


NEW YORK, May 12, 2009 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group (Nasdaq:NDAQ)
today announced that FactSet Research Systems Inc. (NYSE:FDS), a leading
provider of integrated global financial information and analytical applications
for the investment community, will dual list its common stock on the NASDAQ
Global Select Market effective today. FactSet's common stock will be listed on
both the NYSE Euronext, where it is currently listed, and The NASDAQ Stock
Market under the ticker symbol "FDS." 

Bruce Aust, Executive Vice President of NASDAQ OMX's Corporate Client Group,
said, "We are pleased to welcome FactSet to our Global Select Market, NASDAQ's
highest market tier. This development will provide FactSet with increased
visibility and access to the comprehensive products and services we offer to
support public companies." 

About FactSet

FactSet Research Systems Inc. combines integrated financial information,
analytical applications, and client service to enhance the workflow and
productivity of the global investment community. The Company, headquartered in
Norwalk, Connecticut, was formed in 1978 and now conducts operations along with
its affiliates from more than twenty-three locations worldwide, including
Boston, New York, Chicago, San Mateo, London, Amsterdam, Frankfurt, Paris,
Milan, Tokyo, Hong Kong, Mumbai and Sydney. 

About NASDAQ OMX

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers
trading, exchange technology and public company services across six continents,
with over 3,800 listed companies. NASDAQ OMX offers multiple capital raising
solutions to companies around the globe, including its U.S. listings market,
NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North, and the U.S. 144A
sector. The company offers trading across multiple asset classes including
equities, derivatives, debt, commodities, structured products and
exchange-traded funds. NASDAQ OMX technology supports the operations of over 70
exchanges, clearing organizations and central securities depositories in more
than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal
entities but describe the common offering from NASDAQ OMX exchanges in
Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more
information about NASDAQ OMX, visit http://www.nasdaqomx.com. 

Cautionary Note Regarding Forward-Looking Statements

The matters described herein contain forward-looking statements that are made
under the safe harbor provisions of the Private Securities Litigation Reform
Act of 1995. These statements include, but are not limited to, statements about
NASDAQ OMX's products and offerings. We caution that these statements are not
guarantees of future performance. Actual results may differ materially from
those expressed or implied in the forward-looking statements. Forward-looking
statements involve a number of risks, uncertainties or other factors beyond
NASDAQ OMX's control. These factors include, but are not limited to, factors
detailed in NASDAQ OMX's annual report on Form 10-K, and periodic reports filed
with the U.S. Securities and Exchange Commission. We undertake no obligation to
release any revisions to any forward-looking statements. 

NDAQG

CONTACT:  The NASDAQ OMX Group
          Media Contact:
          Bethany Sherman
          212.401.8714
          Bethany.sherman@nasdaqomx.com