updated 3/21/2011 7:16:39 AM ET 2011-03-21T11:16:39

NEW YORK, March 21, 2011 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) and Clean Edge, Inc. announced today the results of the semi-annual evaluation of the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index (Nasdaq:QGRD), which will become effective with the market open today.

The following three securities will be added to the Index: A123 Systems, Inc. (AONE UQ), Beacon Power Corporation (BCOND UQ), and Elster Group SE (ELT UN).

The Index is designed to act as a transparent and liquid benchmark for the smart grid and electric infrastructure sector. The Index includes companies that are primarily engaged and involved in electric grid; electric meters, devices, and networks; energy storage and management; and enabling software used by the smart grid and electric infrastructure sector. The securities must also meet other eligibility criteria which include minimum requirements for market capitalization and average daily dollar trading volume. The NASDAQ OMX Clean Edge Smart Grid Infrastructure Index is evaluated semi-annually in March and September. For more information about the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index, including detailed eligibility criteria, visit https://indexes.nasdaqomx.com/.

The First Trust NASDAQ® Clean Edge® Smart Grid Infrastructure Index Fund (Nasdaq:GRID), is an exchange traded fund that seeks investment results that correspond generally to the price and yield, before the Fund's fees and expenses, of the NASDAQ OMX® Clean Edge® Smart Grid Infrastructure Index.

As a result of the evaluation, the following security will be removed from the Index: RuggedCom Inc. (RCM CN).

About NASDAQ OMX Global Index Group

NASDAQ OMX Global Index Group is engaged in the design, development, calculation, licensing, and marketing of NASDAQ OMX Indexes. NASDAQ OMX Global Index Group specializes in the development of indexes focusing on NASDAQ OMX's brand themes of innovation, technology, growth, and globalization. NASDAQ OMX Global Index Group also provides custom index services and design solutions as a third-party provider to selected financial organizations. For more information about NASDAQ OMX indexes, visit www.nasdaq.com/indexes.

Access to essential historical index data for NASDAQ OMX indexes can be accessed from a single source, NASDAQ OMX Global Index Watch. For additional information, please visit https://indexes.nasdaqomx.com/indexwatch.aspx.

About NASDAQ OMX Group

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 approximately 3,600 listed companies. NASDAQ OMX Group offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; NASDAQ OMX Nordic, including First North, NASDAQ OMX Baltic and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX Group 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 Group exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit www.nasdaqomx.com. *Please follow NASDAQ OMX on Facebook ( http://www.facebook.com/pages/NASDAQ-OMX/108167527653 ) and Twitter ( http://www.twitter.com/nasdaqomx ).

About Clean Edge

Clean Edge, the world's first research and advisory firm devoted to the clean-tech sector, delivers comprehensive clean-tech insights to corporations, investors, governments, entrepreneurs, and other key stakeholders. The company integrates timely clean-tech data from dozens of sources with expert analysis to provide critical insights to its clients and subscribers. The firm's offerings include the U.S. Clean Energy Leadership Index and related advisory services, industry-leading sponsored reports including the annual Clean Energy Trends and Clean-Tech Job Trends series, the annual Clean-Tech Investor Summit conference (coproduced with IBF), and benchmark clean-tech stock indices with NASDAQ which track U.S. clean energy (Nasdaq:CELS), global wind (Nasdaq:QWND), and smart grid and grid infrastructure (Nasdaq:QGRD) companies. To keep abreast of the latest clean-tech trends or learn more about Clean Edge, visit www.cleanedge.com.

NASDAQ Clean Edge Smart Grid Infrastructure Index ("Index") is the exclusive property of The NASDAQ OMX Group, Inc., (collectively, with its affiliates "NASDAQ OMX") and Clean Edge, Inc. ("Clean Edge").

NDAQG

CONTACT: NASDAQ Media Contact:
         Wayne Lee
         +1.301.978.4875
         Wayne.D.Lee@NASDAQOMX.Com
         
         NASDAQ Issuer and Investor Contact:
         Lisa Chaney
         +1.301.978.8281
         Lisa.Chaney@NASDAQOMX.Com
         
         Clean Edge Contact:
         Ron Pernick
         +1.503.493.8681
         pernick@cleanedge.com

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