NASDAQ OMX Holds Second Quarter 2008 Investor And Media Conference Call

NASDAQ OMX Group has scheduled its Second Quarter 2008 Results Announcement for Wednesday, August 6, 2008.

 Who:  Robert Greifeld, Chief Executive Officer
       David Warren, Chief Financial Officer

 What: Review NASDAQ OMX's (Nasdaq:NDAQ) Second Quarter 2008
       Financial Results

 When: Wednesday, August 6, 2008

 Results Call: 10:00 a.m. Eastern Time. Senior management will be
 available for questions from shareholders and the media following
 prepared remarks via the following telephone numbers:

       Telephone:      866.765.6327 (U.S.)
                       913.312.6621 (International)

All participants can access the conference via Internet webcast through the NASDAQ OMX Investor Relations website at http://ir.nasdaqomx.com/.

An audio replay of the conference will be available after the call on the NASDAQ OMX Investor Relations website at http://ir.nasdaqomx.com/ or by dialing 888.203.1112 (U.S.) or 719.457.0820 (International), Passcode: 3100314.

Note: The press release for the Second Quarter 2008 results will be posted on the NASDAQ Investor Relations website at http://ir.nasdaqomx.com/ on Wednesday, August 6, 2008 at around 7:00 a.m. ET.