Michelin Selects Hyperion as Business Performance Management Standard

Business Wire, July 18, 2005

SANTA CLARA, Calif. -- Hyperion (Nasdaq: HYSL), the global leader in Business Performance Management software, today announced that Michelin, the worldwide leader of products and services dedicated to mobility, will begin significant utilization of Hyperion Business Performance Management software.

About Michelin

The world's largest tire maker, Michelin (www.michelin.com) manufactures and sells tires for every type of vehicle, including airplanes, automobiles, bicycles, earthmovers, farm equipment, heavy-duty trucks, motorcycles and the space shuttle. The company also publishes travel guides, maps and atlases covering Europe, Asia, Africa and North America.

About Hyperion

Hyperion Solutions Corporation is the global leader in Business Performance Management software. More than 10,000 customers - including 91 of the Fortune 100 - rely on Hyperion software to translate strategies into plans, monitor execution and provide insight to improve financial and operational performance. Hyperion combines the most complete set of interoperable applications with the leading Business Intelligence platform to support and create Business Performance Management solutions. A network of more than 600 partners provides the company's innovative and specialized solutions and services.

Named one of the FORTUNE 100 Best Companies to Work For 2004, Hyperion employs approximately 2,500 people in 20 countries. Distributors represent Hyperion in an additional 25 countries. Headquartered in Santa Clara, California, Hyperion generated annual revenues of $622 million for the 12 months that ended June 30, 2004. Hyperion is traded under the Nasdaq symbol HYSL. For more information, please visit www.hyperion.com, www.hyperion.com/contactus or call 800 286 8000 (U.S. only).

"Hyperion," the Hyperion "H" logo and Hyperion's product names are trademarks of Hyperion. References to other companies and their products use trademarks owned by the respective companies and are for reference purpose only.