Investors

Al-Deera Holding Company K.S.C.C. (KSE: ALDEERA)
Cross Atlantic Capital Partners
DQE Communications Network Services LLC, subsidiary of The Macquarie Consortium
International Financial Advisors (KSE: IFA)
International Finance Company (KSE: IFC)
Kuwait Holding Company
Morgan Stanley & Co. Incorporated (NYSE: MS)
Novitas Capital
Nth Power LLC
Perseus LLC
Science Applications International Corporation [SAIC] (NYSE: SAI)
Siemens Venture Capital GmbH, subsidiary of Siemens AG (XETRA: SIE)
SZAR Partners LLC (Founders)
Tollgrade Communications, Inc. (Nasdaq: TLGD)