Cognos Receives CRM Magazine's
“CRM Market Leader” Award

– Recognized for Strong Market Presence and Providing
Customer-Centric Solutions–

Ottawa, Ontario and Burlington, Massachusetts, September 27, 2005 - Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence and corporate performance management (CPM), today announced it has been listed as one of CRM Magazine’s “CRM Market Leaders” for 2005. Being named under the category of CRM analytics, Cognos garnered top recognition in the business intelligence and corporate performance management industry. This is the third straight year that Cognos has been named to the CRM Market Leaders listing.

“Being recognized year after year by CRM Magazine is proof of our continued leadership in the business intelligence and corporate performance management markets,” said Dave Laverty, senior vice president, global marketing of Cognos. “Cognos customers worldwide are using Cognos solutions to identify and develop targeted services for their loyal customers, a better understanding of back-end processes that affect the customer experience, and to measure the overall effectiveness of marketing and sales efforts.”

The CRM Market Leader awards honor companies that have developed leading customer-centric solutions or services, and that have gained, or are significantly gaining, a strong market presence. CRM magazine editors interview leading industry analysts to rate companies based on depth of functionality, reputation for customer satisfaction, and company direction (including mergers & acquisitions and product launches).

“CRM magazine is proud to present the 2005 CRM Leader Awards to the companies and individuals who are driving innovation and positive ROI in their customer relationship management strategies,” said David Myron, Editor-in-Chief of CRM magazine. “Congratulations to this year’s award recipients. Their hard work this past year has helped organizations streamline many of their business processes and significantly improve their customer relationship efforts.”

CRM Market Leader award winners will be profiled in the October issue of CRM Magazine.

About CRM Magazine:
CRM magazine is the leading publication serving the field of CRM. CRM is a business technology magazine written for C-level managers in corporate, sales, marketing, service, and information technology. Together with the magazine’s Web site, destinationCRM.com, live Web events, and custom media products, CRM magazine provides business leaders the information they need to reach their strategic objectives through tactical implementation of CRM process and technology.

For more information, visit destinationCRM.com. DestinationCRM.com and CRM magazine are properties of CRM Media, LLC.

About Cognos:

Cognos delivers the next level of competitive advantage - Corporate Performance Management (CPM) - achieved through the strategic application of BI on an enterprise scale. Our integrated CPM solution helps customers drive performance through planning; monitor performance through scorecarding; and understand performance through business intelligence.

Cognos serves more than 23,000 customers in over 135 countries. Cognos enterprise business intelligence and performance management solutions and services are also available from more than 3,000 worldwide partners and resellers. For more information, visit the Cognos Web site at http://www.cognos.com.