REGULATORY NOTICE Lysaker, 17 June 2010 NASDAQ OMX Stockholm AB will implement certain minor changes of editorial nature to Clearing Agreement H (GBP Letter of Credit) and Clearing Agreement I (GBP Bank Guarantee) whereby references to time in the agreements will be made to “London time” instead of GMT or similar. The actual time references will not be changed as a result of these editorial alterations, and none of the existing agreements based on the aforementioned template will be affected. New agreements will be based on the new templates. For further information, please contact NASDAQ OMX Oslo: Eivind Grimsø Moe, legal counsel, NASDAQ OMX Commodities, phone +47 6752 8084 Media requests: Trine Fersnes Riccardi, corporate communications, NASDAQ OMX Commodities, phone +47 6752 8080/+47 9574 7497 About NASDAQ OMX Commodities NASDAQ OMX Commodities is the brand name for offerings related to commodities within the NASDAQ OMX Group, Inc and is not a legal entity. NASDAQ OMX Commodities provides access to the world's largest power derivatives exchange and one of Europe's largest carbon markets, through Nord Pool ASA. Nord Pool ASA is a commodity derivatives exchange authorised by the Norwegian Ministry of Finance and supervised by the Norwegian Financial Supervisory Authority. NASDAQ OMX Commodities also provides clearing services through NASDAQ OMX Stockholm AB and its Norwegian branch NASDAQ OMX Oslo, acting as an authorised clearing house. N2EX is the brand name for NASDAQ OMX Commodities' and Nord Pool Spot AS' offering in the UK power market and NASDAQ OMX Stockholm AB is the authorised clearing house. NASDAQ OMX Commodities has more than 380 members from 20 countries covering a wide range of energy producers, consumers and financial institutions. For more information about NASDAQ OMX Commodities, visit www.nordpool.com and www.nasdaqomx.com/Commodities 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 more than 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 organisations 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 (http://www.facebook.com/nasdaqomx) and Twitter (http://www.twitter.com/nasdaqomx). NASDAQ OMX's 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. This document is being directed solely at and may only be communicated to persons: (i) who have professional experience in matters relating to investments as defined in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "FPO") or, (ii) who are high net worth companies, unincorporated associations and trustees of high value trusts within Article 49(2)(a)-(d) of the FPO, or (iii) to whom it may otherwise be lawful to distribute it (all such persons together being referred to as "Relevant Persons"). Any investment activity to which this document relates is available only to Relevant Persons and will be engaged in only with Relevant Persons.