Copenhagen, June 4, 2008 - The Nordic Exchange Copenhagen, part of the NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) announces that the new portfolio for the OMXC20 index, to become effective on June 23, 2008, has been selected. The coming OMXC20 portfolio will consist of one new company which is Jyske Bank. Jyske Bank replaces GN Store Nord. The OMXC20 index contains the 20 most actively traded shares, whereas the base portfolio comprises of 25 shares (cf. the table below): Ranking ISIN code Name Short Name Expected no of shares in OMXC20 1 DK0010268606 Vestas Wind Systems VWS 185 204 103 2 DK0010274414 Danske Bank DANSKE 698 804 276 3 DK0060102614 Novo Nordisk B NOVO B 539 472 800 4 DK0010244508 A.P. Møller - Mærsk B MAERSK B 2 197 800 5 DK0010181759 Carlsberg B CARL B 118 857 554 6 DK0010234467 FLSmidth & Co. FLS 53 200 000 7 DK0010272129 Novozymes B NZYM B 54 251 280 8 DK0060083210 D/S Norden DNORD 44 600 000 9 DK0060079531 DSV DSV 201 500 000 10 DK0010207497 Danisco DCO 48 941 495 11 DK0010272202 Genmab GEN 44 583 648 12 DK0010259530 Topdanmark TOP 16 896 350 13 DK0010287663 NKT Holding NKT 23 718 379 14 DK0010268440 William Demant Holding WDH 60 986 527 15 DK0010244425 A.P. Møller - Mærsk A MAERSK A 2 197 800 16 DK0010287234 H. Lundbeck LUN 207 279 631 17 DK0060013274 TrygVesta TRYG 68 000 000 18 DK0010311471 Sydbank SYDB 67 500 000 19 SE0000427361 Nordea Bank AB NDA DKK 299 119 094 20 * DK0010307958 Jyske Bank JYSK 62 000 000 * New entry Ranking ISIN code Name Short Name Expected no of shares in OMXC20 21 DK0010272632 GN Store Nord GN 208 360 263 22 DK0060082915 D/S Torm TORM 72 800 000 23 DK0010219153 Rockwool International B ROCK B 8 902 123 24 DK0010309657 Coloplast B COLO B 44 400 000 25 DK0010006329 Østasiatiske Kompagni EAC 15 030 189 - # - The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, and with over 3,900 companies, it is number one in worldwide listings among major markets. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; the OMX Nordic Exchange, including First North; and the 144A PORTAL Market. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX technology supports the operations of over 60 exchanges, clearing organizations and central securities depositories in more than 50 countries. OMX Nordic Exchange is not a legal entity but describes the common offering from Nasdaq OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit www.nasdaqomx.com. About OMX Nordic Exchange OMX Nordic Exchange serves as a central gateway to the Nordic and Baltic financial markets, offering listing and trading services for among others; issuers, bank and brokers and market data vendors. The Nordic Exchange comprises over 850 companies including its alternative market First North and offers trading in equities, derivatives, fixed income and more. The Nordic Exchange is not a legal entity but describes the common offering from Nasdaq OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information, please visit www.omxgroup.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. - # - CONTACTS: The NASDAQ OMX Group, Inc. Ellen-Margrethe Soelberg +45 33 77 04 30 ellen-margethe.soelberg@nasdaqomx.com To subscribe the OMXC20 notices log on to: http://omxgroup.com/nordicexchange/marknadsnyheter/Subscription_service/, register as a user to the service and subscribe the series “Danish stock product” under the heading “Derivative market information”. The notices can be found on the following webpage: http://www.omxnordicexchange.com/newsandstatistics/marketnotices/Subscribe/