Cognos to Announce Third Quarter Fiscal 2007 Results on December 20, 2006

Ottawa, Ontario and Burlington, Massachusetts, December 6, 2006— Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence and performance management solutions, today announced that it will release third quarter fiscal 2007 financial results on December 20 after the close of the market. The company will discuss the results on a conference call and Webcast, beginning at 5:15 p.m. Eastern Time.

Listeners can access the conference call at 416-640-1907 or via Webcast at http://www.cognos.com/company/investor/events/fy07q3. Presentation slides for the call can be accessed at the Investor Relations area of the Cognos Web site approximately 15 minutes prior to the start of the call.

An archive of the Webcast can be accessed at http://www.cognos.com/company/investor/events/fy07q3 following the conference call.

replay of the conference call will be available from December 20 at 8:15 p.m. Eastern Time until January 3 at 11:59 p.m. Eastern Time. The replay can be accessed at 416-640-1917. The passcode for the replay is 21211370#.

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.
Cognos and the Cognos logo are trademarks or registered trademarks of Cognos Incorporated in the United States and/or other countries. All other names are trademarks or registered trademarks of their respective companies.

Contact Information

Sean Reid

Senior Manager, Corporate Communications

Cognos

Contact via E-mail