New OMX Copenhagen 20 portfolio selected The future portfolio of the OMX Copenhagen 20 index will become effective on June 22, 2009 Copenhagen, June 3, 2009 - The NASDAQ OMX Group, Inc.SM (NASDAQ OMX: NDAQ) announced today the results of the semi-annual review of the OMX Copenhagen 20 Index, (NASDAQ OMX Copenhagen: OMXC20), which will become effective with the market open on Monday June 22, 2009. The future portfolio of the OMX Copenhagen 20 Index will be identical to the present portfolio thus no changes to the selected constituents will occur. The OMX Copenhagen 20 Index constituents after review effective June 22, 2009 are: A.P. Møller - Mærsk A Lundbeck A.P. Møller - Mærsk B NKT Holding Carlsberg A/S B Nordea Bank AB Coloplast B Novo Nordisk B D/S Norden Novozymes B Danisco Sydbank Danske Bank Topdanmark DSV TrygVesta FLSmidth & Co. Vestas Wind Systems Genmab William Demant Holding The OMX Copenhagen 20 Index is NASDAQ OMX Copenhagen's leading index. The index consists of the 20 most actively traded shares on NASDAQ OMX Copenhagen. The limited number of constituents guarantees that all the underlying shares of the index have excellent liquidity, which results in an index that is highly suitable as underlying for derivatives products. The OMX Copenhagen 20 Index is a tradable index on which futures and options are issued. The OMX Copenhagen 20 Index is a market weighted price index whose composition is revised twice a year. On July 3, 1989, the OMX Copenhagen 20 Index began with a base value 100.00. 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 nearly 1,500 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/. For more information about the OMX Copenhagen Benchmark Index, including detailed eligibility criteria, visit https://indexes.nasdaqomx.com/. 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. There can be no assurance that the FSA will give the NASDAQ OMX applicant the authorization and permissions which it seeks. - # - CONTACTS: The NASDAQ OMX Group, Inc. Ellen-Margrethe Soelberg +45 33 77 04 30 ellen-margrethe.soelberg@nasdaqomx.com NDAQF