For Immediate Release

Yahoo! Announces New Developments for Corporate Yahoo! Enterprise Information Portal Solution

Momentum Builds with 11 New Customers Including McDonald’s and Bayer; 800,000+ Licensed Seats; Introduction of Yahoo! PortalBuilder 2.0 Enabling Wireless Access; Additional Partnerships

SANTA CLARA, Calif. – Jan. 9, 2001 –

Yahoo! Inc. (Nasdaq: YHOO), a leading global Internet communications, commerce and media company, today announced several major developments related to its Corporate Yahoo!ä (http://corporate.yahoo.com) enterprise portal solution. The company has signed 11 new customers including McDonald’s Corporation, Bayer AG and Seagate Technology. Yahoo! now has 18 customers licensed to make Corporate Yahoo! available to more than 800,000 of their employees, customers & business partners. Yahoo! also unveiled Yahoo! PortalBuilder 2.0 software enabling wireless access, as well as several new Corporate Yahoo! partnerships.

"We continue to build strong momentum for Yahoo!’s enterprise services initiative, as additional Global 1000 companies including McDonald’s, Bayer and Seagate have chosen Yahoo! to help them aggregate, personalize, and deliver relevant content and services to their employees, customers, and business partners on a global basis," said Jeff Mallett, Yahoo!'s president and chief operating officer. "With Yahoo!’s leading reach in the workplace, an enterprise technology platform developed with TIBCO, and a growing list of best-of-breed partnerships, we believe Corporate Yahoo! is the most comprehensive, personalized, and global portal solution for the enterprise market."

McDonald’s Corporation, Bayer AG, Seagate Technology License Corporate Yahoo!

Yahoo! signed 11 new customers from diverse industries that are licensing Corporate Yahoo! for various enterprise portal solutions (see separate announcement). New customers include McDonald’s Corporation (NYSE: MCD), Bayer AG, Seagate Technology, Janus Capital Corporation, Merck Sharp & Dohme, Reuters, Corio, Hall Kinion & Associates (Nasdaq: HAKI), Health Net Inc. (NYSE: HNT), Government Securities Clearing Corporation and JLT Services. With these agreements, Yahoo! has now surpassed more than 800,000 total licensed seats for Corporate Yahoo! in its first six months of availability.

Yahoo! PortalBuilder 2.0 Enables Wireless Access

In another separate announcement today, Yahoo! unveiled new features available with Yahoo! PortalBuilder 2.0 server software, an important component of Corporate Yahoo! that allows portal administrators to control the aggregation, personalization and delivery of content, services and applications that will be accessed by end-users. New features include enabling users to access content via wireless devices, and enhanced administration tools for integration and personalization.

New Partnerships Broaden Corporate Yahoo!

Yahoo! has added several new partnerships that provide Corporate Yahoo! customers with access to leading providers of solutions including application service provider (ASP) hosting, Internet services software, information intelligence/analytics and software management services. Previously announced Corporate Yahoo! partners include TIBCO Software, Accenture, (formerly known as Andersen Consulting), Inktomi Corp., Hewlett-Packard Company, WebEx, Citrix Systems, Netegrity, Critical Path and enfoTrust Networks.

[Nasdaq: ITRA] will provide Corporate Yahoo! customers with a personalized and secure archive from which to download all software, updates and patches for Yahoo! PortalBuilder 2.0 and certain complementary software products offered by Yahoo!’s technology partners.

About Corporate Yahoo!

Corporate Yahoo! is a customized enterprise information portal solution based on the widely used My Yahoo! (http://my.yahoo.com) interface. Enterprise customers licensing Corporate Yahoo! can easily integrate proprietary corporate content and applications with access to Yahoo!'s personalized Internet content and services behind existing firewalls. Corporate Yahoo! is a global solution that leverages Yahoo!’s position as the No. 1 most visited property at work, according to Nielsen//NetRatings’ latest rankings, as well as an existing platform across 24 world properties and 13 languages.

About Yahoo!

Yahoo! Inc. is a global Internet communications, commerce and media company that offers a comprehensive branded network of services to more than 166 million individuals each month worldwide. As the first online navigational guide to the Web, www.yahoo.com is the leading guide in terms of traffic, advertising, household and business user reach. Yahoo! is the most recognized and valuable Internet brand globally, and is ranked No. 38 among all consumer brands in the world. The company also provides online business and enterprise services designed to enhance the productivity and Web presence of Yahoo!’s clients, including Corporate Yahoo!, a popular customized enterprise portal solution; audio and video streaming; store hosting and management; and Web site tools and services. The company’s global Web network includes 24 World properties. Yahoo! has offices in Europe, the Asia Pacific, Latin America, Canada and the United States, and is headquartered in Santa Clara, Calif.

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Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995

This news release contains forward-looking statements or predictions. These statements represent our judgment as of this date and are subject to risks and uncertainties that could cause actual results or events to differ materially from those expressed in such forward-looking statements. Potential risks and uncertainties include, without limitation, those associated with economic conditions, government regulations and delays or other problems with product development. In addition, references to licensed seats represent seats that Customers are authorized to deploy, but Customers may not actually deploy those seats due to changes in their business plans, economic conditions, or for other reasons. These and other factors are discussed in more depth in Yahoo!’s and other referenced companies’ filings with the SEC, copies of which may be accessed through the SEC’s World Wide

Web site at http://www.sec.gov.

Yahoo!, Corporate Yahoo!, My Yahoo! and the Yahoo! logo are trademarks or registered trademarks of Yahoo! Inc. All other names are trademarks and/or registered trademarks of their respective owners.

Yahoo! Media Contacts:

Sherry Manno Yeaman
Yahoo! Inc.
214-782-4156
smanno@yahoo-inc.com

Chris Murphy
Fleishman Hillard
214-665-1337
murphyc@fleishman.com