Cognos Senior Vice President of Corporate Development to Speak at the 2006 UBS Enterprise Technology & Services Conference on May 23

Ottawa, Ontario and Burlington, Massachusetts, May 18, 2006— Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence and performance management solutions, and performance management solutions, today announced that Neal Hill, senior vice president, corporate development, will speak at the 2006 UBS Enterprise Technology & Services Conference on May 23 at The Westin New York at Times Square in New York, N.Y.

During the session, Mr. Hill will discuss the current market landscape in business intelligence and performance management, and the company’s strategies for continued market leadership. Mr. Hill will also detail how Cognos provides global organizations with a complete performance management system, and how that system can deliver higher performance across the enterprise.

The presentation will begin at 10:30 a.m. and 11:20 a.m. Eastern Time. Listeners can access the presentation via webcast at http://www.cognos.com/company/investor/events. A replay of the webcast will be archived in the Investor Relations area of the Cognos web site following the presentation.

About Cognos:
Cognos, the world leader in business intelligence and performance management solutions, provides world-class enterprise planning and BI software and services to help companies plan, understand and manage financial and operational performance.

Cognos brings together technology, analytical applications, best practices, and a broad network of partners to give customers a complete performance system. The Cognos performance system is an open and adaptive solution that leverages an organization’s ERP, packaged applications, and database investments. It gives customers the ability to answer the questions -- How are we doing? Why are we on or off track? What should we do about it? – and enables them to understand and monitor current performance while planning future business strategies.

Cognos serves more than 23,000 customers in more than 135 countries, and its top 100 enterprise customers consistently outperform market indexes. Cognos 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.