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News Release

New Senior VP

Veteran IT executive brings extensive experience in development and management of engineering, operations and customer support teams.

PLEASANTON, Calif. (June 13, 2005) — Five9, Inc., the leading provider of hosted contact center solutions, today announced the appointment of George Peterson as Senior Vice President of Engineering, Technical Operations, and Customer Care. In this position, Peterson will report directly to CEO Brian Silverman, and be responsible for continuing the development of the company's flagship product, the Virtual Contact Center™, expanding the company's worldwide VoIP network, and furthering the development and training of Five9's engineering and technical support services teams.

"George brings a tremendous amount of technical depth and management experience to our engineering and customer care organizations," said Brian Silverman, CEO of Five9. "We are delighted to have George join the management team. As the number of call centers using our service continues to grow at a rapid pace and we add new features, his expertise will be invaluable to ensuring that we offer the highest quality hosted call center service on the market."

Peterson comes to Five9 with more than 20 years of industry experience focusing on development, operations, IT, and customer service. Prior to joining Five9, Peterson was Vice President of Operations, Customer Service, and Professional Services at EVault, Inc. where he managed the rapidly growing storage architecture, operational security, and support organization. Before EVault, Peterson held the position of Vice President of Development and Architecture at Affinity Internet Inc. where he was responsible for the customer and merchant security of the company's 12,000 merchant sites, as well as the management of the 150,000 sites that used the company for hosting services. Peterson also held the position of Vice President of Operations, Support, and Quality Assurance at Bigstep prior to its 2002 acquisition by Affinity.

"During the past ten years, I have focused on products and services targeted at the very diverse needs of thousands of small and midsized customers, and I am looking forward to bringing this experience to Five9," said Peterson. "This is an exciting time for the company and the Virtual Contact Center™ is an excellent service that will only become more robust over time."

Peterson has held executive management positions in development, operations, and support services at BidCom Inc., Harbinger Corporation (formerly Premenos), Control Data Systems, AT&T Easylink, and Total Petroleum Inc. He holds a B.A. from Wichita State University.

About Five9, Inc.

Five9 is the leading global provider of on-demand call center solutions for customer interaction management. The award-winning Five9 Virtual Call Center™ targets small- to midsized call centers, contact center operations of large enterprises, and companies that provide outsourced call center services. Companies on five continents profit from Five9's reliable, robust functionality that is fast, easy, and affordable to deploy for any call center. For more information, visit

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