Hyperion Names Andy Rusnak Vice President of Global Technical Operations.

SANTA CLARA, Calif. -- Hyperion (Nasdaq:HYSL), the global leader in Business Performance Management software, announced that Andy Rusnak has been appointed vice president of Global Technical Operations for the company.

In his new role, Rusnak will be responsible for providing leadership for the Hyperion worldwide field technical community. This will include leveraging best practices, global processes and worldwide expertise to drive revenue growth and enhanced customer results that contribute to Hyperion's global leadership position in Business Performance Management.

Rusnak comes to Hyperion from Deloitte Consulting, where he was a principal in the Strategy and Operations service area. In that role, he had national responsibility for Deloitte's offerings as they related to Integrated Performance Management and led the firm's global alliance with Hyperion.

Prior to joining Deloitte, Rusnak provided consulting to clients across diverse industry groups. He has worked with numerous multi-national organizations to design and implement transformation plans for their finance functions.

Rusnak has particular expertise in working with clients to evaluate the ramifications of new regulations on their day-to-day operations and has worked with several leading organizations to evaluate the impact of regulations on their operating models, control environment and technical infrastructure.

"Andy is uniquely suited for the position of vice president of Global Technical Operations based on his exceptional work with Hyperion over many years in his role with Deloitte CFO Services," said Burton Goldfield, senior vice president of World Wide Field Operations at Hyperion. "He is an experienced advocate for Business Performance Management and has particular insight into the role that Hyperion can play in improving business operations."

"For more than 20 years, I have worked with clients to improve their finance operations and strengthen their global processes and systems," said Mr. Rusnak. "I'm delighted to bring that experience to my work with the recognized leader in Business Performance Management."

Rusnak holds a B.S. in Accounting from Pennsylvania State University and is a Certified Public Accountant.

About Hyperion

Hyperion Solutions Corporation is the global leader in Business Performance Management software. More than 10,000 customers rely on Hyperion software to provide visibility into how their businesses are performing and to help them plan and model to improve that performance. Using Hyperion software, customers collect data, organize and analyze it, then communicate it across the enterprise. Hyperion offers the industry's only Business Performance Management solution that integrates financial management applications with a business intelligence platform into a single system.

Named one of the FORTUNE 100 Best Companies to Work For (2004), Hyperion serves global customers in 45 countries. A network of more than 600 partners provides the company's innovative and specialized solutions and services. Hyperion generated revenues of $703 million for the fiscal year that ended June 30, 2005 and is traded under the Nasdaq symbol HYSL. For more information, please visit www.hyperion.com.

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Statements in this press release other than statements of historical fact are forward-looking statements, including, but not limited to, statements concerning the potential success of anticipated product features, the anticipated product offerings and the potential market opportunities for Business Performance Management software. Such statements constitute anticipated outcomes and do not assure results. Actual results may differ materially from those anticipated by the forward-looking statements due to a variety of factors, including, but not limited to the company's ability to retain and attract key employees, the successful and timely development of new products, the impact of competitive products and pricing, customer demand, and technological shifts. For a more detailed discussion of factors that could affect the company's performance and cause actual results to differ materially from those anticipated in the forward-looking statements, interested parties should review the company's filings with the Securities and Exchange Commission, including the Report on Form 10-K filed on August 31, 2005 and the report on Form 10-Q filed on November 9, 2005. The company does not undertake an obligation to update its forward-looking statements to reflect future events or circumstances.

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