Mr. Thomas E. Noonan, President and CEO of Internet Security Systems Inc.,
Rings The NASDAQ Stock Market Opening Bell

Tuesday, September 12, 2006
at NASDAQ's MarketSite
in New York City.

Internet Security Systems Inc.
[ISSX]

Mr. Thomas E. Noonan, President and CEO of Internet Security Systems Inc., presides over the opening bell.

Internet Security Systems, Inc. (ISS) is the trusted security advisor to thousands of the world's leading businesses and governments, providing preemptive protection for networks, desktops and servers. An established leader in security since 1994, the ISS Proventia(r) integrated security platform automatically protects against both known and unknown threats, keeping networks up and running and shielding customers from online attacks before they impact business assets. ISS products and services are based on the proactive security intelligence of its X-Force(r) research and development team - the unequivocal world authority in vulnerability and threat research. The ISS product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the Internet Security Systems Web site at www.iss.net or call 800-776-2362.

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Click for larger pictures of the NASDAQ MarketSite. Additional Photographs for 9/12/2006 Download Hi-Res Quality Photo of this NASDAQ Market Close - Pictured: Mr. Thomas E. Noonan, President and CEO of Internet Security Systems Inc., rings the Opening Bell These photos are Copyright 2006, The Nasdaq Stock Market Inc. and available for re-publication by the news media only. Any commercial use is strictly prohibited without the prior written consent of The Nasdaq Stock Market Inc. © Copyright 2006, The NASDAQ Stock Market, Inc. Reprinted with the permission of The Nasdaq Stock Market, Inc.