BURLINGTON MA, July 21, 2003—Cognos (Nasdaq: COGN; TSX: CSN), the world leader in business intelligence (BI) and corporate performance management, today announced that Ron Zambonini, chief executive officer of Cognos, will open The NASDAQ Stock Market in New York on July 23 at 9:30 a.m. (all times are Eastern Time). The event will celebrate the "Sweet 16" anniversary for Cognos on The NASDAQ Stock Market.

Since its introduction to NASDAQ, Cognos has grown its total revenue by more than 1,000 percent, from $49.7 million (all dollars in U.S. funds) in the company's fiscal year 1987 to $551.0 million in fiscal year 2003. Over that same period, Cognos has seen its market capitalization on NASDAQ grow to more than $2.3 billion as of the close of markets July 18.

"NASDAQ is a world-class stock market for world-class companies," said Zambonini. "Our presence on NASDAQ has played a central role in the growth of our mind share, market share, and worldwide leadership in business intelligence and corporate performance management."

The ceremony will begin at 9:20 a.m. with remarks from Zambonini and John L. Jacobs, executive vice president of worldwide marketing & financial products, NASDAQ, just prior to the official market opening at 9:30 a.m. Viewers can access the ceremony via webcast at http://www.cognos.com/company/investor/events/. A replay of the event will be archived on the Cognos web site following the ceremony.