World's Largest Official Online Sports Organization Chooses Critical Path For Email and Calendaring Services.

Business Editors/High-Tech Writers

SAN FRANCISCO--(BUSINESS WIRE)--Jan. 18, 2000

Critical Path Enables Worldsport Networks Ltd., to Offer

Web-based Email and Calendaring Solutions to 750 Million Members

Critical Path, Inc. (Nasdaq:CPTH), the dominant provider of complete end-to-end Internet messaging and collaboration solutions, and WorldSport Networks Ltd., today announced an agreement in which Critical Path and WorldSport will deliver advanced messaging services to the members of over 50 of the world's leading international governing bodies in sports.

WorldSport is the sole and exclusive provider of Internet solutions for the General Association of International Sports Federations (GAISF), and a majority of the international federations it recognizes. WorldSport will offer Critical Path's advanced Web-based email and calendaring services to the entire GAISF network, which consists of more than 750 million card-carrying members worldwide.

The GAISF is the international sports organization responsible for coordinating the world's most comprehensive sporting calendar. This calendar covers over 3,000 events a year and is prepared on a twelve year rolling basis. The calendar is used by organizations as diverse as FIFA (world cup soccer), F.I.G. (International Gymnastics Federation), and the I.A.A.F. (International Amateur Athletic Association), for the planning and development of their global competition schedules. GAISF members govern over 230 individual sporting disciplines.

WorldSport is the exclusive sanctioned provider of statistical information for the GAISF. WorldSport also provides sporting results, historical data, Web-based email, calendar services, and has Webcasting rights on over 500 sporting events a year.

"As the leading provider of sports information and services for the world's largest sports organization, WorldSport will continue to drive their market by providing messaging services their members demand," said Doug Hickey, president and CEO of Critical Path. "Through this relationship, Critical Path will enable WorldSport to deliver advanced Web-based email and calendaring solutions to its massive customer base. Critical Path's Internet messaging solutions with proven reliability and scalability, will meet the increasing demands of WorldSport's exploding customer base."

Critical Path's advanced email, localized in more than 15 languages, will enable members to easily and securely access their email accounts anytime and from anywhere. In addition, WorldSport is providing GAISF members with Critical Path's Web-based calendaring service, including automated notification and registration features, which will help the user coordinate their personal calendars with worldwide sporting events.

"Critical Path's advanced Internet messaging solutions enable us to provide our users with the essential tools they need to leverage the Internet in order to communicate more effectively," said Alan Callan, Chairman of WorldSport. "We selected Critical Path because they alone gave us the confidence that they could manage and provide the scalability, reliability and advanced features we need to properly serve our global membership base."

The agreement was signed in the presence of His Serene Highness Prince Albert of Monaco at a workshop on messaging that was attended by over 80 International Federation delegates, each a partner in the WorldSport program.

About WorldSport

The World Sport Organization and WorldSport Networks Ltd., form the global alliance that brings together, online, the largest single grouping of International Governing bodies in Sports. www.worldsport.com is the only Internet site sanctioned by the General Association of International Sports Federations (GAISF). WorldSport will shortly launch its new web site where it will be providing the world's foremost information service on sports with official news, results and sanctioned reports on over 200 sports from around the globe. WorldSport covers 230 World Championships, produces thousands of individual event reports and owns exclusive rights to webcast over 500 events a year. More information on WorldSport can be found at www.worldsport.com.

About Critical Path, Inc.

Critical Path, Inc. (Nasdaq:CPTH) is a leading provider of business-to-business Internet messaging and collaboration solutions for corporations, Internet service providers (ISPs), Web hosting companies, and Web portals. Critical Path has built an industry-leading global infrastructure with data centers connected to key Internet exchange points, and currently reaches millions of end-users through its customer relationships.

Critical Path provides reliable, secure, and scalable e-mail, and a flexible suite of enhanced messaging services to partners such as E*TRADE, CompuServe, Network Solutions, U S West, Sprint, and ICQ. Critical Path is headquartered in San Francisco, Calif., with offices in locations nationwide and in Germany, the UK, and Argentina. More information on Critical Path can be found at www.cp.net.

Note to Editors: Critical Path is a service mark and the Critical Path logo is a trademark of Critical Path, Inc.

The statements in this press release relating to matters that are not historical are forward-looking statements. Actual results could differ materially from these forward-looking statements. Risks and uncertainties facing Critical Path are described in its prospectus dated June 1, 1999 and with its periodic filings with the Securities and Exchange Commission (www.sec.gov).