BURLINGTON, MA, June 18, 2003 —Cognos (Nasdaq: COGN: TSX: CSN), the world leader in business intelligence (BI) and corporate performance management, today announced that it has strengthened its strategic relationship with Deloitte & Touche, one of world's leading professional services organizations. Deloitte & Touche will sell and offer consulting services for Cognos Enterprise Planning Series in the Canadian market.

Cognos Enterprise Planning Series streamlines the performance management cycle, bringing together planning, budgeting, forecasting, consolidations, reporting and financial analytics to eliminate the inconsistencies that constrain effective decision-making. Cognos empowers CFOs and financial professionals to ensure operating plans align with corporate objectives to drive consistency, accuracy and visibility by engaging managers across the organization.

"By strengthening our relationship, Deloitte & Touche and Cognos are poised to help more global organizations not only achieve the benefits of greater efficiency, but also the expanded opportunities that come with a sound application of performance planning," said Ray Pineda, Partner, Deloitte & Touche. "With our unprecedented coverage across Canada we can offer exceptional consulting services that ensure our clients achieve results."

With Cognos Enterprise Planning Series, CFOs and financial professionals also get better visibility and reliability in their financials at a summary and detail level, with the ability to distribute accountability throughout the organization. This provides a single, reliable, and accurate view of financials for all stakeholders.

"Cognos and Deloitte & Touche combine technology expertise, methodology, tools, and techniques with a practical blend of industry-specific services knowledge to help customers identify, evaluate, capture, and share intellectual capital for better corporate performance management and decision-making," said Michael Morrison, vice president of North American Enterprise Planning and Operations, Cognos. "Cognos brings superior value to customers through its partnerships with the world's largest enterprise integrators allowing customers to use their corporate data to better understand - and act on - the factors driving their business."

About Deloitte Touche Tohmatsu
Deloitte Touche Tohmatsu is one of the world's leading professional services organizations. The member firms of Deloitte Touche Tohmatsu deliver world-class assurance and advisory, tax, and consulting services. With more than 119,000 people in over 140 countries, the member firms serve over one-half of the world's largest companies, as well as large national enterprises, public institutions, and successful, fast-growing global growth companies. Our internationally experienced professionals strive to deliver seamless, consistent services wherever our clients operate. Our mission is to help our clients and our people excel. Deloitte Touche Tohmatsu is a Swiss Verein, and each of its national practices is a separate and independent legal entity.