SEMI-ANNUAL REVIEW OF THE OMX ICELAND 6 INDEX

Reykjavik, June 10, 2013 - The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) announces today the results of the semi-annual review of the OMX Iceland 6 Index, (NASDAQ OMX Iceland: OMXI6ISK), which will become effective at the market open on Monday July 1, 2013.

The OMX Iceland 6 Index constituents effective July 1, 2013 are:

• Eimskipafélag Íslands hf.
• Hagar hf.
• Icelandair Group hf.
• Marel hf.
• Tryggingamiðstöðin hf.
• Vátryggingafélag Íslands hf.

The OMX Iceland 6 Index is NASDAQ OMX Iceland’s leading index and consists of the six most liquid shares on the Exchange. The weight of the shares is based on the free float adjusted market value, which means that only the part of the share capital that is considered available for trading is included in the index.

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About NASDAQ OMX Index Products

NASDAQ OMX is a global leader in creating and licensing strategy indexes and is home to the most widely watched indexes in the world. As a premier, full-service provider, NASDAQ OMX is dedicated to designing powerful indexes that are in sync with a continually changing market environment. Utilizing the expanded coverage of our global company, NASDAQ OMX has more than 3,000 diverse equity, commodity and fixed-income indexes in the U.S., Europe, and throughout world. In addition, our calculation, licensing and marketing support provide the tools to measure and replicate global markets. The NASDAQ OMX Index Group range of services covers the entire business process from index design to calculation and dissemination. For more information about NASDAQ OMX indexes, visit https://indexes.nasdaqomx.com/

Cautionary Note Regarding Forward-Looking Statements 

Information set forth in this communication contains forward-looking statements that involve a number of risks and uncertainties.  NASDAQ OMX cautions readers that any forward-looking information is not a guarantee of future performance and that actual results could differ materially from those contained in the forward-looking information.  Such forward-looking statements include, but are not limited to, statements about our capital return initiatives.  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, NASDAQ OMX’s ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk, U.S. and global competition, and other factors detailed in NASDAQ OMX’s filings with the U.S. Securities and Exchange Commission, including its annual reports on Form 10-K and quarterly reports on Form 10-Q which are available on NASDAQ OMX’s website at http://www.nasdaqomx.com and the SEC’s website at www.sec.gov.  NASDAQ OMX undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise.

About NASDAQ OMX Group

The inventor of the electronic exchange, The NASDAQ OMX Group, Inc., fuels economies and provides transformative technologies for the entire lifecycle of a trade - from risk management to trade to surveillance to clearing. In the U.S. and Europe, we own and operate 26 markets, 3 clearinghouses and 5 central securities depositories supporting equities, options, fixed income, derivatives, commodities, futures and structured products. Able to process more than 1 million messages per second at sub-55 microsecond speeds with 99.99% uptime, our technology drives more than 70 marketplaces in 50 developed and emerging countries into the future, powering 1 in 10 of the world’s securities transactions. Our award-winning data products and worldwide indexes are the benchmarks in the financial industry. Home to approximately 3,300 listed companies worth more than $6 trillion in market cap whose innovations shape our world, we give the ideas of tomorrow access to capital today. Welcome to where the world takes a big leap forward, daily.  Welcome to the NASDAQ OMX Century.  To learn more, visit www.nasdaqomx.com. Follow us on Facebook (www.facebook.com/NASDAQ) and Twitter (www.twitter.com/nasdaqomx). (Symbol: NDAQ and member of S&P 500)

         Kristin Johannsdottir

         +354 525 2844

         kristin.johannsdottir@nasdaqomx.com

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