NASDAQ OMX welcomes Zealand Pharma to its main market

Copenhagen, November 23, 2010 - NASDAQ OMX (NASDAQ: NDAQ) announces that the trading of Zealand Pharma (ZEAL) shares opens today on NASDAQ OMX Copenhagen. Zealand Pharma is a Mid Cap company within the health care sector. This is the fourteenth company to be listed on NASDAQ OMX in Europe in 2010. Zealand Pharma is a Danish biopharmaceutical company dedicated to the discovery and development of innovative peptide-based drugs for the treatment of metabolic diseases such as diabetes and obesity, as well as gastrointestinal diseases. The company's activities are centered on areas in which it is expected that existing treatments not in a sufficient manner covers the market and consequently creates a market potential for better treatments through the application of peptide-based drugs. Jenny Rosberg, Senior Vice President at NASDAQ OMX, says, ”We are very pleased to welcome Zealand Pharma to list on NASDAQ OMX. We look forward to providing liquidity to the Zealand Pharma share and giving the company increased visibility through the listing on our marketplace. At the same time we are very pleased with offering our Nordic and international investors yet another investment option in the health care sector.” - # - 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 approximately 3,600 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 and Twitter 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. Contact: NASDAQ OMX Copenhagen: Communications Manager Javier Lopez Garrido +45 33 77 04 30 javier.lopez@nasdaqomx.com

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