Cognos Demonstrates Enterprise BI Growth in New Industry Analyst Report

– Cognos achieves highest year-over-year BI revenue growth among traditional standalone BI competitors; only vendor in this category to experience both revenue and market share growth in the same year –

BURLINGTON, MA, August 18, 2005 - Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence and corporate performance management (CPM), continues to demonstrate growth in the Enterprise BI (EBIS) market, according to the latest worldwide Gartner Dataquest report on BI.*

Figures released by Gartner Dataquest show that Cognos’ 2004 EBIS license revenues grew 16.4%, the highest growth among all traditional standalone BI competitors**, and that Cognos was the only company in this category to hit double-digits. Moreover, Cognos was the only standalone BI vendor to experience both revenue and market share growth in the same year, registering 11.7% share in 2004, up from 11.3% in 2003.

Cognos’ growth was fueled by the strength of its comprehensive Enterprise BI offering. Featuring Cognos ReportNet™, a highly scalable, pure Web-based enterprise query and reporting environment built upon a services-oriented architecture, Cognos BI offers customers rich multi-dimensional analysis, visualization, dashboarding and a complete environment for ad hoc query, managed reporting, event management, and data integration. Combined with best-of-breed enterprise planning and metrics management capabilities, Cognos offers a complete platform for performance management.

“We feel these results reflect how organizations are increasingly turning to Cognos to spearhead their BI standardization agendas. We offer the deepest and broadest BI footprint in the industry, making Cognos the clear choice for helping global organizations reduce cost and complexity,” said Dave Laverty, senior vice president of global marketing at Cognos. “We believe this Gartner report confirms that the market continues to embrace our vision, our products and our commitment to delivering value for enterprise customers worldwide.”

For more information on this report, please visit http://www.gartner.com.

* -- Source: “Business Intelligence Software Market Grows 12 Percent in 2004” Colleen Graham, 15 August 2005

** -- Gartner also tracked ‘composite BI’ vendors (e.g. Microsoft) who market tools that are sold as additional functionality embedded in products not traditionally classified as business intelligence. Traditional BI vendors include Cognos, SAS, Business Objects, Hyperion and others.

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.