Cognos Senior VP of Corporate Development to Speak at Goldman Sachs Technology Investment Symposium February 23

OTTAWA,ON & BURLINGTON, MA, February 17, 2005— Cognos (NASDAQ: COGN; TSX: CSN), the world leader in enterprise business intelligence (EBI) and corporate performance management (CPM) solutions, today announced that Senior Vice President of Corporate Development at Cognos, Neal Hill, will speak at the upcoming Goldman Sachs Technology Investment Symposium on February 23 at The Arizona Biltmore Resort & Spa in Phoenix, AZ.

During the sessions, Mr. Hill will review the current market landscape, the impact Cognos is having on its core areas of focus, including enterprise business intelligence, enterprise planning and enterprise scorecarding, and the ever-increasing role and importance of Corporate Performance Management in delivering the next level of performance. Mr. Hill will also discuss the growth of Cognos-both in its expansion globally and in its continually expanding customer base.

The fireside chat with analysts will begin at 6:10 p.m. Eastern Time and the breakout session will begin at 6:50 p.m. Eastern Time. Listeners can access the presentations 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 corporate performance management, delivers software that helps 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 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.