PLAXO NETWORK GROWS TO 15 MILLION

Membership jumps 50% in just six months

October 3, 2006 — (MOUNTAIN VIEW, Calif.) — Plaxo, creator of the smart address book, announced today that the company has achieved the major milestone of 15 million members. Growth for the Plaxo network continues to accelerate — ramping from 10 to 15 million members in only six months — less than half the time it took the company to grow from 5 to 10 million. Plaxo provides its members a “smart address book” — a self-updating address book and calendar that can be used virtually anywhere. Plaxo members can securely access always-up-to-date information about their friends and colleagues from a growing list of tools and services, such as the web, mobile phones, Outlook, Mac OS X address book, AIM, and Yahoo.

“Plaxo continues to ride an exponential growth curve, driven by happy users, word-of-mouth, and partnerships. It’s great to see the compounding impact of the ‘network effect,’ as the value of the service for any one member increases as more of their friends, family, and colleagues join the service,” said John McCrea, Vice President, Marketing, Plaxo. “We owe the Plaxo community a debt of gratitude for achieving this milestone, and look forward to continued growth in the future.”

About Plaxo

Plaxo is the creator of the "smart address book" service that helps millions of people around the world stay organized, up-to-date, and in touch with their friends, family, colleagues, and customers. Founded in 2001, Plaxo is a privately held company, funded by leading investment and technology firms — Sequoia Capital, Globespan Capital Platforms, Harbinger Venture Management, DAG Ventures, and Cisco Systems — and by individual investors Ram Shriram and Tim Koogle. More information on the company is available at www.plaxo.com.

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Plaxo is a registered trademark of Plaxo, Inc. Other company and product names may be trademarks of their respective owners.