NASDAQ OMX Group (NDAQ)

NASDAQ OMX Website and Availability of SEC Filings

We file periodic reports, proxy statements and other information with the SEC. The public may read and copy any materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, DC 20549. The public may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. The SEC maintains an Internet site that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC (such as us). The address of that site is http://www.sec.gov.

Our website is www.nasdaqomx.com. Information on our website is not a part of this Form 10-K. We will make available free of charge on our website, or provide a link to, our Forms 10-K, Forms 10-Q and Forms 8-K and any amendments to these documents, that are filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. To access these filings, go to NASDAQ OMX’s website and click on “Investor Relations,” then click on “Financial Information,” then click on “SEC Filings.”

We intend to use our website, www.nasdaqomx.com, as a means of disclosing material non-public information and for complying with disclosure obligations under SEC Regulation FD. These disclosures will be included on our website under “Investor Relations—Events and Presentations.”

NASDAQ OMX Website and Availability of SEC Filings

We file periodic reports, proxy statements and other
information with the SEC. The public may read and copy any materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, DC 20549. The public may obtain information on the operation of the Public Reference
Room by calling the SEC at 1-800-SEC-0330. The SEC maintains an Internet site that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC (such as us). The address of that
site is http://www.sec.gov.

Our website is www.nasdaqomx.com.
Information on our website is not a part of this Form 10-K. We will make available free of charge on our website, or provide a link to, our Forms 10-K, Forms 10-Q and Forms 8-K and any amendments to these documents, that are filed or furnished
pursuant to Section 13(a) or 15(d) of the Exchange Act as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. To access these filings, go to NASDAQ OMX’s website and click on
“Investor Relations,” then click on “Financial Information,” then click on “SEC Filings.”