French ISP Strengthens Mission-Critical Email Services for Healthcare Industry with Critical Path’s Memova Messaging

French ISP Strengthens Mission-Critical Email Services for Healthcare Industry with Critical Path’s Memova Messaging

Proven performance leads to messaging platform upgrade and expansion

SAN FRANCISCO – October 2, 2007 – Critical Path, Inc. (OTC: CPTH), a leading provider of messaging software and services, today announced that Le Réseau santé social, the first Internet service provider dedicated to France’s healthcare industry, is expanding and upgrading its Memova® Messaging platform.

Le Réseau santé social uses Critical Path’s Memova Messaging platform to provide email services to physicians, specialists and other healthcare industry professionals. Due to the critical nature of its business sector, Le Réseau santé social requires a messaging platform that ensures peak performance, scalability and reliability. Based on the dependable performance provided by Memova Messaging over the last five years, Le Réseau santé social is increasing capacity to accommodate more email users and is upgrading to the latest version – Memova Messaging 8.0.

“We are very pleased with the performance of Critical Path’s Memova Messaging platform,” said Christophe Rouquette, CTO, Le Réseau santé social. “All healthcare professionals use email for patient services and critical medical data exchange to engage in mission-critical communication. As such, they require highly reliable services and Memova Messaging is one of the few solutions in the industry that meets our high standards, while ensuring a reasonable cost of ownership. We look forward to expanding our platform and continuing to work with Critical Path as our business grows.”

In addition to powering highly reliable and scalable email services for Le Réseau santé social, Memova Messaging delivers a number of new features in version 8.0, including a dynamic Web 2.0 interface, community-based multimedia file-sharing services, network-based address book services, integrated VoIP solutions and more.

“We’re delighted that Le Réseau santé social is expanding its deployment of Memova Messaging,” said Bruce Warren, Sr. Manager, Product Marketing, Critical Path. “The platform is designed to provide the most reliable performance in the industry, and we are confident that it will continue to meet the rigorous demands and high standards of service providers like Le Réseau santé social.”

For information about Critical Path and the Memova Messaging platform, visit www.criticalpath.net

About Critical Path, Inc.
Critical Path’s Memova® 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® Mobile gives consumers instant, on-the-go access to the Messages that Matter® most. Featuring industry-leading anti-spam and anti-virus technology, Memova® Anti-Abuse protects consumers against viruses and spam. Memova® 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 service providers throughout the world. More information is available at www.criticalpath.net.

About Le Réseau santé social
Le Réseau santé social, the first Internet service provider dedicated to France’s healthcare industry, is since 2004, part of CompuGROUP Holding AG, one of the European leaders in healthcare data processing. Le Réseau santé social counts almost 70,000 healthcare professionals. It has contributed for more than six years to the development of French healthcare industry computerization and, more generally, to the acknowledged success of SESAM-Vital program. It takes an active part with the GIP-DMP in the conception and developments of the future DMP (Personal medical files) within the consortium D3P. More information is available at www.lereseausantesocial.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 availability of our customer’s products and services which include our offerings, industry trends, the ability of our products and services to meet the business needs of our customers and the market for products and services like ours. 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, the emerging and changing nature of the market for our products and services, and the ability of our technology to address customer and consumer demands. These and other risks and uncertainties are described in more detail in the Company’s filings with the U.S. Securities and Exchange Commission made from time to time including Critical Path’s Quarterly Report on Form 10-Q for the three months ended June 30, 2007 and all subsequent filings with the United States Securities and Exchange Commission (available at 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, Messages that Matter, Memova and the Memova logo are the trademarks of Critical Path, Inc., registered in various jurisdictions. All other trademarks are the property of their respective holders.

Contacts:

Le Réseau santé social Communication – Gaëlle Prongué
+ 33 1 47 16 27 12
gprongue {at} lereseausantesocial(.)fr

Fleishman-Hillard – Europe
Jenna Keighley
+44-207 395 7072
jenna.keighley {at} fleishmaneurope(.)com

High Road Communications – North America
Michael Sznajdruk
+1-416-644-2278
msznajdruk {at} highroad(.)com

Critical Path Corporate Communications – Michelle Weber
+1-415-541-2575
cp-publicrelations {at} criticalpath(.)net