The Board of OMX AB (“OMX”) notes the unsolicited offer from Borse Dubai to acquire 100% of the share capital of OMX for SEK 230 per share in cash. The offer is conditional, among other things, on regulatory approvals. On 25th May 2007, The NASDAQ Stock Market, Inc. (“NASDAQ”) announced a recommended offer for OMX. The Board of OMX will consider the Borse Dubai offer as compared to the NASDAQ offer and will update shareholders in due course. For more information please contact: Heidi Wendt, Media relations OMX +46 8 405 72 93 About OMX | OMX is a leading expert in the exchange industry. The common offering from OMX Nordic Exchange in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga and Vilnius, comprises over 800 companies including its alternative market First North. OMX provides technology to over 60 exchanges, clearing organizations and central securities depositories in over 50 countries. OMX is a Nordic Large Cap company in the Financials sector on the OMX Nordic Exchange. For more information, please visit www.omxgroup.com.