Plaxo For Mac 1.0 Now Available

World's First “Smart Address Book” Comes to the Large and Growing Mac Community

MOUNTAIN VIEW, Calif.—May 11, 2006— Plaxo®, Inc., creator of the smart address book, today announced the immediate availability of Plaxo for Mac version 1.0. As the most frequently requested capability from current and would-be Plaxo members, the company launched a public beta of Plaxo for Mac this past March. This new offering brings the world’s first smart address book to the large and fast growing Mac community. Plaxo for Mac will be especially welcomed by those who use a PC at work and a Mac at home and want a single, always up-to-date set of contacts on both systems.

Plaxo provides members with a single, smart address book that can be used virtually anywhere. The average person has several email and instant messaging accounts and as a result, they also have contact information in more than one location. Plaxo combines this separate information into one, always updated address book that is accessible within all of the most popular applications so that the same information is available everywhere.

With Plaxo for Mac, users of Mac OS X v10.3 “Panther” and Mac OS X v10.4 “Tiger” can enjoy the benefit of automatic synchronization between their Mac OS X Address Book, Plaxo’s online service and a number of other popular communication tools and services, including Microsoft Outlook and Outlook Express, AIM, and Thunderbird. In addition, Plaxo members can enrich their address book by importing contacts from their Netscape, Palm, Yahoo! Mail, and Hotmail accounts.

Pricing and Availability

Plaxo for Mac is available today from Plaxo and can be downloaded by visiting http://www.plaxo.com/downloads/mac. Plaxo for Mac is free; the basic Plaxo service will continue to be free. For more information, please visit http://www.plaxo.com/.

About Plaxo

Plaxo, Inc., (www.plaxo.com) is used by millions of individuals in over 83 countries, and enjoys a wide following in academia, government, and both small and large businesses, including 98 of the Fortune 100 companies. Plaxo makes it easy for members to connect to their personal information, friends and colleagues in the manner that is most appropriate. The company has created a network of people whose contact information is always up-to-date through the seamless address book updating that occurs between linked members. Plaxo Premium Services expand the functionality of Plaxo and include Plaxo Address Book Optimizer, Plaxo eCards, Plaxo Mobile Access, and Plaxo VIP Support.

Founded in 2001, Plaxo is a privately held company funded by leading investment and technology firms – Sequoia Capital, Globespan Capital Platforms, Harbinger Venture Management and Cisco Systems – as well as individual investors Ram Shriram and Tim Koogle.

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