NASDAQ to Host Analyst & Press Calls Following Announcement of Proposed Combination With OMX

ADVISORY, May 25, 2007 (PrimeNewswire via COMTEX News Network) --

 Who:    Bob Greifeld, President and Chief Executive Officer, The
         Nasdaq Stock Market, Inc. (Nasdaq:NDAQ) and; Magnus Bocker,
         Chief Executive Officer of OMX AB (OMX)

 What:   To discuss today's deal announcement and the outlook for the
         combined exchange.

 When:   Friday, May 25th
         8:00 a.m. ET -- Analyst/Investor Call
         9:00 a.m. ET -- Press Conference Call

 Where:  Via Teleconference

         Dial-in Details for Analyst/Investor Call:
         Title:                 NASDAQ Conference Call
         Start Time:            8:00 am ET / 7:00 am CT / 6:00 am MT /
                                5:00 a.m. PT
         Domestic dial-in:      (866) 765-6327
         International dial-in: (913) 312-6621

         Dial-in Details for Press Call:
         Title:                 NASDAQ Conference Call
         Start Time:            9:00 am ET / 8:00 am CT / 7:00 am MT /
                                6:00 a.m. PT
         Domestic dial-in:      (800) 810-0924
         International dial-in: (913) 981-4900

 Analyst Call Replay:
 A replay of the analyst call will be available from 11:00 AM ET
 through midnight Monday, May 28th.

 Replay telephone numbers: (719) 457-0820 or (888) 203-1112
 Replay Passcode: 8639449

 Press Call Replay:
 A replay of the press call will be available from 12:00 noon ET
 through midnight Monday, May 28th.

 Replay telephone numbers: (719) 457-0820 or (888) 203-1112
 Replay Passcode: 1034899

 Webcast link:

 All participants can access the analyst and press conference via
 Internet web cast through the NASDAQ Investor Relations website at
 http://ir.nasdaq.com/.

NASDAQ is the largest U.S. electronic equities exchange. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other U.S. electronic market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks as well as a leading liquidity pool for trading NYSE-listed stocks. For more information about NASDAQ, visit the NASDAQ Web site at www.nasdaq.com or the NASDAQ Newsroom at www.nasdaq.com/newsroom/.

This news release was distributed by PrimeNewswire, www.primenewswire.com

SOURCE: The Nasdaq Stock Market, Inc.

NASDAQ
          Media Contact: 
          Silvia Davi
            646-441-5014
            Silvia.davi@nasdaq.com
          Investor Contact:
          Timothi Trombetta  
            212-401-8761
            Timothi.trombetta@nasdaq.com

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