SIGABA NAMES NORMAN F. WELSCH CHIEF FINANCIAL OFFICER

Sigaba Continues to Strengthen Senior Management Team
San Mateo, CA – February 7, 2007 – Sigaba, the leading provider of security software infrastructure and solutions, today announced the appointment of Norman F. Welsch as Chief Financial Officer (CFO), leading the company’s financial and human resources activities. Mr. Welsch brings to Sigaba more than 20 years of senior financial management and M&A experience with leading technology firms that provide IT solutions to federal and commercial customers.

“Sigaba’s success will continue to be significantly influenced by the strength of its management team,” said Troy Hartless, Sigaba’s president and CEO. “Norman has an extensive track record of accomplishment with firms ranging in size from start-ups to Fortune 1000 corporations. His broad background and experience will help us execute on our strategic growth plan. It’s a pleasure to welcome him to Sigaba.”

Prior to joining Sigaba, Welsch was CFO of NextiraOne Federal, LLC, a voice and data network systems integrator, where he played a leading role in the company’s successful merger and integration with Black Box Corporation (Nasdaq: BBOX) and it’s ongoing operating performance.

“Sigaba’s leadership position and strategic direction in the secure information sharing industry, combined with its seasoned management team and equity investors, provides a real growth opportunity,” said Welsch. “I’m pleased to become a member of the team and I look forward to contributing to Sigaba’s expansion.”

Welsch’s experience includes eight years in corporate CFO roles with Nasdaq and NYSE companies. He served as CFO, treasurer and corporate secretary for Infodata Systems, Inc. and was instrumental in the successful merger of Infodata with McDonald Bradley, Inc. Prior to Infodata, Welsch served in various executive finance positions, including three years as Vice President and Chief Financial Officer of Objective Interface Systems, Inc.; two years as Vice President and Chief Financial Officer of Netrix Corporation; and, five years as Senior Vice President and Chief Financial Officer of CBIS-Federal, Inc., a division of Cincinnati Bell. Mr. Welsch holds a Bachelor’s degree in Accounting from Benjamin Franklin University (now a part of George Washington University) and is a CPA.

ABOUT SIGABA

Sigaba® provides patented security infrastructure solutions that enable industry and government to exchange information securely with their colleagues, customers, partners and constituents. The company’s standards-based SigabaNet™ platform takes the complexity out of strong encryption and enables organizations to easily authenticate users across federated environments. The result is a unique way to separately encrypt sensitive data in order to mitigate risks while strengthening relationships, improving efficiencies and safeguarding intellectual property. Sigaba’s technology is used by government organizations and businesses to secure the world’s most critical information. Sigaba is headquartered in San Mateo, California with sales offices in Reston, Virginia; San Diego, California; Chicago, Denver, and New York. Sigaba (sï-gá-ba) takes its name from the SIGABA encryption machine used by the United States during WWII – it was the only device of its kind never compromised by the enemy. For more information visit www.sigaba.com.

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