PRESS RELEASE May 7, 2009 New OMX Helsinki Benchmark portfolio selected The new portfolio of the OMX Helsinki Benchmark index will become effective on June 1, 2009 Helsinki, May 7, 2009 - The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) announces today the results of the semi-annual review of the OMX Helsinki Benchmark index, (NASDAQ OMX Helsinki: OMXHB), which will become effective with the market open on Monday, June 1, 2009. Huhtamäki Oyj (HUH1V) and Norvestia Plc (NVABV) will be added to the index. As a result of the evaluation, the following four shares will be removed from the OMXHB index: Affecto Plc (AFE1V), CapMan Plc B (CPMBV), Suominen Corporation (SUY1V) and Vacon Plc (VAC1V). “The OMXHB index, a benchmark for the Finnish stock market, is a free float-capitalization index designed to act as a transparent and liquid benchmark with low transaction costs for the investors. With 56 securities in OMXHB compared with the 135 in the All share index, OMXHB represents 80 percent of the All share market cap and has a close correlation of 99,9%., says Magdalena Hartman, Vice president Global Index Group. OMXHB is sector diversified and major sectors are Information Technology, Industrials, Financials and Materials. The securities must also meet other eligibility criteria including a turnover limit. The OMXHB index is evaluated on a semi-annual basis in May and November, and the new index portfolio becomes effective on the first trading day in June and December respectively. OMX Helsinki Benchmark constituents after review effective June 1, 2009: Nokia Corporation Neste Oil Corporation Stockmann Plc B Technopolis Plc Fortum Corporation Rautaruukki Corporation Uponor Oyj Aspo Plc Sampo Plc A Sanoma Corporation Cargotec Oyj Fiskars Corporation K KONE Corporation Pohjola Bank A Lassila & Tikanoja Plc Olvi Plc A UPM-Kymmene Corporation Orion Corporation B Stockmann Plc A Oriola-KD Corporation A TeliaSonera AB Konecranes Plc Pöyry PLC HKScan Oyj A Nordea Bank AB (publ) FDR Stora Enso Oyj A Alma Media Corporation Atria Plc A Wärtsilä Corporation YIT Corporation Citycon Oyj Basware Corporation Stora Enso Oyj R Huhtamäki Oyj Fiskars Corporation A Finnlines Plc Nokian Tyres Plc Tieto Corporation Finnair Oyj Comptel Corporation Metso Corporation Outotec Oyj Sponda Plc Tekla Corporation Outokumpu Oyj Kesko Corporation A F-Secure Corporation Norvestia Plc Elisa Corporation Orion Corporation A Oriola-KD Corporation B Tecnomen Corporation Kesko Corporation B Amer Sports Corporation Raisio Plc Vaihto-osake Okmetic Oyj 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 Helsinki 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 The NASDAQ OMX Group, Inc. 2 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