Critical Path and Everest Broadband Networks to Provide Advanced Email, Calendaring and IP Fax Services to Multi-Tenant Unit Marketplace.

Business Editors/High-Tech Writers

SAN FRANCISCO--(BUSINESS WIRE)--April 6, 2000

Critical Path and Everest Broadband Team to Deliver a Suite

of Advanced Internet Messaging Solutions

Critical Path Inc. (Nasdaq:CPTH), the dominant global provider of business-to-business Internet messaging and collaboration solutions and Everest Broadband Networks, a leader in high-speed Internet access and advanced applications, today announced an alliance whereby Everest will offer Critical Path's advanced Internet messaging and collaboration solutions to its customers in multi-tenant office and residential buildings.

The addition of Critical Path products, which will include Web-based, POP3, and IMAP4 email, calendaring, and Internet fax services, expands Everest's large portfolio of service offerings and extends its reach within its target markets. This alliance will enable Everest to better serve the expanding communications needs of its customers as well as provide a new source of revenue for the company. Critical Path's services will integrate seamlessly with Everest's high-speed Internet, Web applications and long distance telephony.

"Alliances with industry leaders such as Critical Path allow Everest to offer our customers the most comprehensive and flexible Internet solutions in the industry," said Jeffrey Feldman, CEO of Everest. "With its complete range of Internet messaging and collaboration solutions, Critical Path gives us a competitive advantage by allowing us to provide our customers with the most reliable, secure and scalable email, calendaring and Internet fax services available."

"Everest is emerging as a leading provider of communication solutions to the multi-tenant marketplace. Leveraging Critical Path's value-added services such as advanced email, calendaring and IP fax will enable Everest to stay at the forefront of this rapidly growing industry," said Doug Hickey, CEO of Critical Path. "This agreement further validates Critical Path's allsourcing strategy, which enables our customers to insource, midsource or outsource part or all of their Internet messaging and collaboration needs in order to achieve their business objectives."

About Everest Broadband Networks

Everest Broadband Networks provides high-speed Internet, advanced Internet applications, and long-distance telephone services to multi-tenant commercial and residential buildings and to hotels. Everest's advanced Internet applications include build-your-own Web site tools, Web site hosting services, e-commerce software, e-mail, and Virtual Private Networking. Everest Broadband Networks is headquartered at One Executive Drive, Suite 170, Fort Lee, NJ 07024. For more information, visit www.everestbroadband.com or e-mail [e-mail].

About Critical Path, Inc.

Critical Path, Inc. (Nasdaq: CPTH) is the dominant global provider of complete end-to-end Internet messaging and collaboration solutions for wireless, Internet-centric, telecommunication and corporate businesses. Through its allsourcing strategy, Critical Path is the only advanced messaging provider to offer businesses the flexibility to outsource, midsource or insource all or part of their messaging and collaboration applications. Critical Path has built an industry-leading global infrastructure with data centers connected to key Internet exchange points. Critical Path's technology currently reaches more than 55 million end-users through its customer relationships and more than 20 million wireless devices.

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, France Telecom, British Telecommunications, and ICQ. Critical Path is headquartered in San Francisco, with offices in locations nationwide and in Germany, England, Ireland, France, Denmark, Italy, Switzerland, Brazil and Argentina. More information on Critical Path can be found at www.cp.net.

Note to Editors: Critical Path and the Critical Path logo are the trademarks of Critical Path, Inc. All other trademarks are the property of their holders.

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).