ISCO International Adds Marty Singer to Its Board of Directors; Announces Quarterly Investor Call


Elk Grove Village, IL (October 20, 2006) -- ISCO International, Inc. (AMEX: ISO), a leading provider of radio-frequency management and interference-control systems for the wireless telecommunications industry, announced today that Dr. Martin (Marty) Singer has joined ISCO's Board of Directors. In unrelated news, ISCO announced an upcoming investor relations conference call.

Addition of Singer to Board of Directors

Dr. Singer is Chairman and CEO of PCTEL, Inc. (NASDAQ:PCTI), a wireless access and mobile computing company based in Chicago. Prior to joining PCTEL, Dr. Singer was President and CEO of SAFCO Technologies, and prior to that he served as a Vice President within Motorola's Cellular Infrastructure Group. Dr. Singer has also held technical and management positions at Tellabs, AT&T and Bell Labs. Dr. Singer has extensive experience in wireless communications, IP licensing and international market development and he holds six patents in telecommunications.

"We are very pleased that we have been able to attract an individual of Marty's caliber to join ISCO's Board", said ISCO's President and Chief Executive Officer John Thode. "Marty brings extensive industry knowledge, public company business acumen and M&A experience to our team, all of which will prove highly valuable as we continue to push our growth plan forward," he said.

"I'm excited about the opportunity to work with John, his team, and the rest of the ISCO board on the important issues related to the company's growth and success," said Marty Singer, PCTEL's Chairman and CEO.

Investor Call

ISCO will hold its quarterly conference call on Thursday, October 26th at 5:00 pm eastern. To participate in the call domestically, dial 1-800-374-0113. International callers should dial 1-706-758-9607. The conference name is "ISCO." The call will be replayed for 30 days at 1-800-642-1687 (or 1-706-645-9291 for international callers), with a pass code of 9399407#.

Following opening comments, a short question and answer session will be held. Participants are asked to dial in 10 minutes prior to the beginning of the call. The call will be webcast live and then archived for 30 days. ISCO will provide a link to the call on its web site (www.iscointl.com) for both the live and archived versions. A copy of the webcast link will be provided at www.iscointl.com

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