Alan B. Howe became a director in May 2007. Mr. Howe has extensive operational expertise combined with corporate finance and business development experience. Since May 2005, he has served as Vice President of Strategic and Wireless Business Development for Covad Communications, Inc., a national broadband telecommunications company. From April 2001 to May 2005, Mr. Howe was a founding partner and principal at Broadband Initiatives, LLC, a boutique consulting and advisory firm. Previously, Mr. Howe was Chief Financial Officer and Vice President of Corporate Development of Teletrac, Inc. for six years from 1995 to 2001 when the company was sold. During his tenure, he assisted with the Chapter 11 reorganization of the company in 1999. Mr. Howe joined Teletrac from Sprint, where he was Director of Corporate Development from 1994 to 1995 and one of the initial team members that helped start Sprint PCS. Mr. Howe is a member of the board of directors of Alliance Semiconductor Corporation, Crossroads Systems, Inc., and Dyntek, Inc. Mr. Howe holds a B.A. in business administration from the University of Illinois and an M.B.A. from the Indiana University Kelley Graduate School of Business with a specialty in finance.

Holdings: 3,300 shares     View Transactions
Date	Type	Shares Traded	Price Range
Nov 26, 2007	Buy	3,300	0.89

John W. Gerdelman became a director in June 2004 in connection with our merger with Terabeam. Mr. Gerdelman is Executive Chairman of Intelliden Corporation, a leading provider of intelligent networking software solutions. Previously, Mr. Gerdelman was President and Chief Executive Officer of AboveNet, Inc., a provider of digital communications infrastructure solutions. Until April 2002, Mr. Gerdelman was Managing Partner of mortonsgroup LLC, an information technology and telecommunications venture group. Previously he had served as President and Chief Executive Officer of USA.NET, a provider of innovative email solutions, and as President of the network and information technology division of MCI Telecommunications Corporation. Mr. Gerdelman is a graduate of the College of William and Mary with a degree in Chemistry and currently serves on their Board of Visitors.

Daniel A. Saginario has been the Chairman of the Board since June 2004 and a director since April 2003. From January 2000 until February 2003, he was Chief Executive Officer, President, and a director of ioWave, Inc., a manufacturer of point-to-point wireless equipment. From January 1998 to January 2000, he was President of the Global Network Solutions division of L-3 Communications, a multi-billion dollar public company specializing in the supply of military technology. Mr. Saginario also spent over thirty years in various positions at NYNEX (now Verizon), where his positions included President of NYNEX Interactive Information Services Company, a holding company managing certain of NYNEX's investments, and Corporate Director - Strategic Planning & Corporate Development. Mr. Saginario holds a B.B.A. from Baruch College and an M.B.A from Pace University.