BURLINGTON, MA, June 8, 2004— Cognos (NASDAQ: COGN; TSX; CSN) today announced that its enterprise business intelligence solution, Cognos Enterprise Business Intelligence (EBI) Series, has achieved Microsoft SQL Server Data Warehouse certification. The certification confirms Cognos' tight integration with the Microsoft framework by ensuring that all of its solutions work seamlessly within the Microsoft data warehousing environment.

With industry leading BI breadth and depth, Cognos EBI Series offers enterprise value with OLAP, advanced analysis on the Web, enterprise reporting, instant projection capabilities, and support for massive data volumes and user communities. Today, global organizations rely on Cognos EBI Series to deliver flexible scorecarding, robust visualization, enterprise reporting, powerful analytics, advanced ad hoc query, actionable event-driven BI and data integration - in one integrated framework. Investing in a longtime relationship with Microsoft for the delivery of BI, Cognos embraces and extends Microsoft's data warehousing platform and infrastructure, enhancing the value of the platform with its best-of-breed, end-to-end solutions.

"Enterprise leaders recognize that employees everywhere need access to critical business information to make better decisions faster," said Don Petersen, senior product manager for SQL Server at Microsoft Corp. "We are pleased with the continued integration and support that Cognos delivers to embrace and extend the Microsoft BI platform throughout enterprises."

"Cognos has a long history of supporting Microsoft users with the industry's best tools for accessing, analyzing, and sharing critical enterprise-wide corporate information," said Patrick O'Leary, Cognos vice president of strategic alliances. "We are pleased to extend our relationship with Microsoft through this certification of Cognos for SQL Server. Our integration provides new and existing customers with superior universal analysis and reporting capabilities across the enterprise."

Using criteria co-designed by VeriTest and Microsoft, VeriTest evaluates enterprise applications to gauge their compatibility with Microsoft's data warehousing framework including technologies such as SQL Server 2000 Analysis Services. Companies with applications that meet the rigorous standards qualify for participation in the Microsoft Certified Partner Program for software products. Program details are available at http://www.veritest.com/certification/ms/sqldwa/.