Cognos Launches Cognos 8
Business Intelligence Worldwide

– Cognos showcases new groundbreaking
business intelligence solution in 12 cities –

NEW YORK, September 14, 2005 - Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence and corporate performance management (CPM), today announced that Cognos 8 Business Intelligence, the industry’s first Web-services based solution that provides the complete range of BI functionality in a single product on a proven, single architecture, will be showcased in 12 cities worldwide today. Cognos 8 BI will be unveiled globally at simultaneous events in New York , San Francisco, Chicago, Toronto, Amsterdam, Buenos Aires, London, Munich, Paris, Stockholm, Vienna and Zurich.

At the worldwide launch event today in New York at 12:00 p.m. ET, Cognos CEO Rob Ashe will discuss how Cognos 8 BI provides the required foundation for effective performance management, which is now becoming an imperative for organizations worldwide. He will outline how the customer-focused revolution Cognos initiated in enterprise reporting in 2003 is fulfilled and enhanced with Cognos 8 BI, which will serve as the new single product of choice for BI standardization.

Featured Gartner speakers Howard Dresner and Bill Hostmann will share their insights on why companies should standardize their BI, the fatal flaws of business intelligence and how enterprises can avoid them.

Cognos 8 BI has been rigorously tested by more than 100 organizations worldwide. Sherry Neubert, development manager, Enterprise Data Warehouse, The Goodyear Tire & Rubber Company, will join the launch event to discuss insights into the new and unique enhancements and standardization opportunities the product provides to global enterprises.

Webcast and Satellite Broadcast Coordinates:
A live web cast of the event will begin today at noon ET. A replay of the web cast will be archived for 6 months following the presentation on the Cognos web site. To register, visit www.cognos.com/cognos8-launch/index.html and scroll to the middle-left side of the page.

NA Broadcast Outlets may connect to the live satellite broadcast as follows:

Live Broadcast: 1200 – 1330 New York (EDT) / 1600 – 1730 GMT Satellite: Galaxy 11
Transponder: K06 Slot C
Bandwidth: 9 MHz
Downlink freq: 11824.5 MHz (V)
FEC: 3/4
Symbol rate: 6.1113
Encoding: NDS MPEG-2 4:2:0 in the clear
Audio: Mono, channel 1 & 2

About Cognos:

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.