Award Recognizes the 100 Private Technology Firms in North America Driving the Future of Technology

MAYNARD, Mass. – May 22, 2006 – Tizor today announced that it has been selected as a winner of the annual "Red Herring 100 North America" award by Red Herring magazine. This list of 100 privately held companies in North America recognizes those that play a leading role in innovating the technology business. To view the full list, please visit www.redherring.com.

As one of the winners, Prat Moghe, CEO of Tizor, will represent the company at the exclusive Red Herring Spring 2006 CEO summit, May 23-25 in Monterey, California, where a select group of 300 technology entrepreneurs, investors, and corporate developers will gather to be the first to meet this next wave of disruptive technology companies.

Disruptive technologies and business plans
"With venture capital flowing again, we're seeing a lot of innovative new companies taking on the established players with disruptive technologies and innovative business plans," said Joel Dreyfuss, Editor-in-Chief of Red Herring. "The Red Herring 100 North America companies, among them Tizor, are pushing and breaking the boundaries of the technology business and we are excited to report on their success stories."

"Tizor is committed to providing its customers with the complete life-cycle of intelligent data auditing capabilities they require to meet today's compliance assurance, data security and privacy challenges," said Tizor founder and CEO, Prat Moghe. "The market is demanding a more comprehensive, intelligent and intuitive solution and this recognition by Red Herring is a testament to the value and innovative vision Tizor is providing to enterprises today. By providing the broadest data coverage in conjunction with the highest performing and most intelligent data auditing solutions, Tizor is arming businesses with the enterprise-wide insight they need to protect critical data assets and improve their security and compliance posture."

More than just buzz
Red Herring's lists of top private companies are an important part of the renowned magazine's tradition of identifying new and innovative technology firms and entrepreneurs. Companies like Google and eBay were spotted in their early days by Red Herring editors as some that would change the way we live and work.

After receiving more than 1,000 submissions and nominations, Red Herring's editorial staff rigorously evaluated Tizor and the other contenders through a careful analysis of financial data and subjective criteria, including quality of management, execution of strategy, and dedication to research and development. The Red Herring 100 North America companies are at the forefront of the technologies that are changing our lives in profound ways.

Honoring the best
To honor the Red Herring 100 companies, Red Herring has invited their CEOs and founders to present at its Red Herring Spring 2006 conference, a forum for technology's most exciting companies, and to share their insights on the future of innovation and the entrepreneurial journey. Scheduled to take place at the Hyatt Regency Hotel in Monterey, this intimate, invitation-only conference will explore "The Pursuit of Disruption" and how it spawns unexpected opportunities, novel alliances, and great success stories.

About Tizor Systems
Tizor is the leading provider of data auditing and security solutions for data centers. Tizor's Mantra data security appliances are the industry's first enterprise solutions capable of monitoring critical data activity across databases, file servers, and application servers. Mantra solutions enable the highest level of compliance assurance, data security and privacy by providing a complete life-cycle of intelligent data auditing capabilities including audit reporting, theft detection, alerting, and data protection. Founded by former Bell Labs researchers and headquartered in Maynard, Massachusetts, Tizor is venture financed and led by industry veterans in networking, security, and software and systems management. More information on Tizor can be found at www.tizor.com.

About Red Herring Spring 2006
Red Herring Spring 2006 will assemble 300 of the continent's most innovative and successful CEOs, investors, and corporate developers and feature a dynamic group of over 100 speakers that are pushing and breaking the boundaries of the business of technology. Themed "The Pursuit of Disruption," it will be held May 23-25 in Monterey, California. Please contact Michael Felber at 650.428.2900 or email mfelber@redherring.com to request an invitation to attend the event. More information is available online at www.herringevents.com/rhspring06.

About Red Herring Magazine
Red Herring magazine is a sophisticated insider's guide to the business of technology, featuring unparalleled insights on the emerging technologies driving the economy, from the Internet to wireless communications and digital entertainment. Red Herring's journalists report on how innovation and entrepreneurship are transforming business and how the business of technology is transforming the world, providing readers with a deep understanding of venture capital and capital markets. Recognized as an essential resource in today's fast-changing business world, Red Herring gets the right answers before anyone else even thinks to ask the questions. More information on Red Herring is available on the Internet at www.redherring.com.

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