Cognos Ranked as a Leading Vendor for Performance Management

– Independent Analyst Report on Performance Management
Vendors and Solutions Scores Cognos Ahead Of
Business Objects and Hyperion –

BURLINGTON, MA, Dec. 5, 2005 - Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence and corporate performance management (CPM), announced today that an independent research report by Ventana Research has ranked Cognos above its peers as a top vendor of performance management solutions.

In the newly updated Ventana Research 2005 Performance Management Scorecard™ (Ventana Research Scorecard), Cognos scored 89.7% overall for Cognos 8 BI which includes newly released capabilities for query, reporting, analysis, scorecarding and dashboarding, and event management.

The Ventana Research Scorecard covers more than 30 vendors and 70 products and is representative of independent analysis conducted over the past four years. Each participating company’s products were scored for functional requirements and capabilities to determine the level of compliance against Ventana Research’s PerformanceCycle™ across three categories – Align, Optimize and Understand.

“This research assesses the maturity of software vendors and packages designed specifically for enabling Performance Management,” said Mark Smith, president and CEO, Ventana Research. “It provides a baseline of knowledge that organizations can use to improve their understanding of how well different software and solutions may meet their business and IT requirements for performance management.”

Cognos 8 BI is a groundbreaking product that provides decision makers at all levels of the enterprise with a consistent, accurate view of information to better manage performance. As a single product that easily integrates into existing infrastructures with multiple systems and data sources, Cognos 8 BI is a robust technology foundation for BI standardization and corporate performance management.

“Cognos 8 BI includes core technology capabilities to help align and connect people and processes across the organization for more effective decision-making,” said Dave Laverty, senior vice-president, Global Marketing, Cognos. “The product provides a robust, proven technology foundation to help organizations worldwide standardize on a common, easy-to-use BI platform to drive key performance management initiatives.”

Cognos has been consistently ranked a CPM Market Leader in both market share and leadership reports by leading independent analyst firms. View these rankings at:

http://www.cognos.com/news/releases/2005/1107.html
http://www.cognos.com/news/releases/2005/0707.html
http://www.cognos.com/news/releases/2005/0818.html

About Cognos:
Cognos, the world leader in business intelligence and corporate performance management, delivers software and services that help companies drive, monitor and understand corporate performance.

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.