Critical Path to Announce First Quarter 2005 Financial Results; Conference Call Scheduled for May 9, 2005 at 5:30 PM EDT.

SAN FRANCISCO -- Critical Path, Inc. (Nasdaq:CPTH), a leading provider of messaging software and services, today announced it expects to release financial results for the fiscal first quarter, ended March 31, 2005, after the close of market on Monday, May 9, 2005. Financial results will be discussed on the Company's quarterly conference call, currently scheduled for 5:30 PM Eastern time, Monday, May 9.

The conference call is scheduled to last up to one hour. Those who would like to participate should dial [phone] (within the U.S. and Canada) or [phone] (from outside the U.S. and Canada) five to ten minutes prior to the scheduled start time. In addition, the conference call and a subsequent replay will be available via Web cast from the Company's Web site, www.criticalpath.net. A replay of the conference call will also be available by telephone for fourteen days following the call.

About Critical Path, Inc.

Critical Path's Memova(TM) solutions provide a new and improved email experience for millions of consumers worldwide, helping mobile operators, broadband and fixed-line service providers unlock the potential of email in the mass market. Memova(TM) Mobile gives consumers instant, on-the-go access to the messages that matter most. Featuring industry-leading anti-spam and anti-virus technology, Memova(TM) Anti-Abuse protects consumers against viruses and spam. Memova(TM) Messaging provides consumers with a rich email experience, enabling service providers to develop customized offerings for high-speed subscribers. Headquartered in San Francisco with offices around the globe, Critical Path's messaging solutions are deployed by more than 200 service providers throughout the world. More information is available at www.criticalpath.net.

Forward-Looking Statements:

This press release contains forward-looking statements by the Company and its executives regarding the performance of our product and service offerings, the ability of our customers to achieve cost savings and improve revenues in the provision of services, industry trends, market and customer requirements, the ability of our products and services to meet the business needs of our customers, the market for products and services like ours and the performance of our senior management in achieving strategic goals. The words and expressions "look forward to," "will," "expect," "plan," "believe," "seek," "strive for," "anticipate," "hope," "estimate" and similar expressions are intended to identify the Company's forward-looking statements. These forward-looking statements involve a number of risks and uncertainties that could cause actual results to differ materially from those anticipated. These risks include, but are not limited to, our evolving business strategy and the emerging and changing nature of the market for our products and services, our ability to deliver on our sales objectives, the ability of our technology and our competitors' technologies to address customer demands, changes in economic and market conditions, and software and service design defects. These and other risks and uncertainties are described in more detail in the Company's filings with the U.S. Securities and Exchange Commission (www.sec.gov) made from time to time including Critical Path's Annual Report on Form 10-K for the fiscal year ended December 31, 2004, its Current Reports on Form 8-K, as may be amended from time to time, and all subsequent filings with the United States Securities and Exchange Commission (www.sec.gov). The Company makes no commitment to revise or update any forward-looking statements in order to reflect events or circumstances after the date any such statement is made.

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