Semi-annual Changes to the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index

New York, NY, March 22, 2010 — The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) and Clean Edge, Inc. announced 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 four securities will be added to the Index: AZZ incorporated (AZZ UN), MYR Group Inc. (MYRG UQ), PowerSecure International, Inc. (POWR UQ), and Prysmian S.p.A. (PRY IM).

The Index is a modified market-capitalization index 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 Index is evaluated on a semi-annual basis in March and September. For more information about the NASDAQ OMX&reg Clean Edge&reg 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.

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 https://indexes.nasdaqomx.com/.

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 3,700 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. *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, Inc., founded in 2000, is the world’s first research and publishing firm devoted to the clean-tech sector. The company, via its publications, events, and online services, helps companies, investors, and governments understand and profit from clean technologies. Clean Edge, with offices in the San Francisco Bay Area and Portland Oregon, offers unparalleled insight and intelligence on emerging clean-tech trends, opportunities, and challenges. Among its many activities, the company publishes the annual Clean Energy Trends and Clean Tech Job Trends reports; produces the annual Clean-Tech Investor Summit (along with IBF); maintains a number of benchmark clean-tech stock indexes with NASDAQ OMX including CELS, QWND, and QGRD; and produces Clean Edge Jobs, a leading online jobs board for clean-tech job seekers, employers, and recruiters. To keep abreast of the latest clean-tech news; access industry reports; learn more about Clean Edge, or sign up for the firm’s free e-newsletters; visit http://www.cleanedge.com.

NASDAQ OMX 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”).

Media Contact:
Wayne Lee
301.978.4875
Wayne.D.Lee@Nasdaq.com

Issuer & Investor Contact:
Lisa Chaney
301.978.8281
Lisa.Chaney@Nasdaq.com

Clean Edge, Inc.
Ron Pernick
503.493.8681
pernick@cleanedge.com