Critical Path's CTO Michael Serbinis to Speak on Protecting Carrier Messaging Subscribers Against Spam; Addressing EEMA Winter Conference in Dublin on December 3, 2003.

Business Editors/High-Tech Writers

SAN FRANCISCO--(BUSINESS WIRE)--Dec. 2, 2003

Critical Path, Inc. (Nasdaq:CPTH), a global leader in digital communications software and services, today announced that Michael Serbinis, its chief technology officer, will be addressing the Winter Conference of the EEMA, the premier European forum for electronic business, in Dublin, Ireland. Mr. Serbinis is scheduled to speak on December 3, 2003, the first day of the conference. He will be discussing how wireless and fixed-line carriers throughout the world are integrating anti-spam technologies into their high-volume messaging systems to simultaneously protect email, text messaging and MMS services. Carriers are finding that such efforts not only increase subscriber satisfaction, but generate new revenues as well.

More information on carrier messaging and Critical Path's solutions is available on the Web at www.criticalpath.net/solutions/wirelessSP/.

Forward-Looking Statements:

This press release contains forward-looking statements by the Company and its executives regarding the performance, security, scalability and interoperability of our product and service offerings, the ability of our customers to achieve cost savings 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, unplanned system interruptions and capacity constraints, 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, 2002,and Quarterly Reports on Form 10-Q for the fiscal quarters ended March 31, June 30 and September 30, 2003, as may be amended from time to time, and all subsequent filings with the 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 and the Critical Path logo are the trademarks of Critical Path, Inc. All other trademarks are the property of their holders.