07.03.2005 – 13:37

Cognos GmbH

Cognos to Announce Fourth Quarter and Full-Year Fiscal 2005 Results on March 31

Ottawa and Burlington, Massachusetts (ots/PRNewswire)

Cognos
(Nasdaq: COGN; TSX: CSN), the world leader in enterprise business
intelligence (EBI) and corporate performance management (CPM), today
announced that it will release fourth quarter and full-year fiscal
2005 financial results on March 31, 2005 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 +1-416-640-1907 or the
Webcast at
http://www.cognos.com/company/investor/events/fy05q4/index.html.
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 will be available commencing March 31,
2005 at 9:00 p.m. Eastern Time. The archive can be accessed at
http://www.cognos.com/company/investor/events/fy05q4/index.html.

A replay of the conference call will be available from Thursday,
March 31, 2005 at 7:15 p.m. Eastern Time until Thursday, April 14,
2005 at 11:59 p.m. Eastern Time. The replay can be accessed at
+1-416-640-1917. The  passcode for the replay is 21115290#.

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.

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.

Note to Editors: Copies of previous Cognos press releases and
Corporate and product information are available on the Cognos Web
site at http://www.cognos.com, and at PR Newswire's site at
http://www.prnewswire.com.

Media Contact:
     Sean Reid
     Cognos, +1-613-738-1440
      Sean.reid@cognos.com
     Kristen Orfanos
     LP&P, +1-781-782-5852
      Kristen_Orfanos@lpp.com
     Investor Relations:
     John Lawlor
     +1-613-738-3503
      john.lawlor@cognos.com

Web site: http://www.cognos.com

Contact:

Sean Reid of Cognos, +1-613-738-1440, Sean.reid@cognos.com; or
Kristen Orfanos of LP&P, +1-781-782-5852, Kristen_Orfanos@lpp.com; or
Investor Relations: John Lawlor of Cognos, +1-613-738-3503,
john.lawlor@cognos.com