Quest Software Now Offers Dynamic View of IBM DB2 SYSPLEX Environments Through Quest Central for Databases.

Business Editors/High-Tech Writers

IDUG 2004 Conference

ORLANDO, Fla.--(BUSINESS WIRE)--May 11, 2004

Quest Expedites the Resolution of

Performance Bottlenecks for Database Administrators

Quest Software (Nasdaq:QSFT), a leading provider of application, database and Windows management solutions, today announced support for IBM DB2 SYSPLEX with Quest Central(R) for Databases. Featuring the ability to perform real-time diagnostics of performance bottlenecks in data sharing environments, Quest Central for Databases expedites the identification and resolution of performance issues for database administrators (DBAs) and reduces the resource costs related to managing and maintaining complex DB2 SYSPLEX environments.

"The mainframe remains vital to thousands of organizations worldwide and the number of DB2 shops running a SYSPLEX has been steadily increasing because it provides great benefits for high availability, increased processing capacity and increased transaction rates," said Charles Garry, senior program director, META Group, Inc. "Software solutions that quickly diagnose mainframe performance issues will be in great demand as the mainframe becomes more and more integrated into complex multi-platform systems architectures."

Within Quest Central for Databases, the popular Quest Spotlight(R) graphical interface provides a unique perspective of a SYSPLEX by displaying all of the members of a data-sharing group concurrently. Quest Spotlight performs diagnostics and gives DBAs a quick and easy way to see a summarized view of the activity that is taking place across the SYSPLEX. They can then easily drill down into an individual member for detailed metrics such as thread activity, SQL, application locking, buffer pool utilization, etc. Other vendors' products only allow users to view a single member at a time.

"The need to effectively examine the entire SYSPLEX has become very important to the growing number of Quest Software customers running their critical applications in data sharing environments," said John Newsom, vice president of application performance management solutions, Quest Software. "Our support for DB2 SYSPLEX validates our commitment to supporting complex clustered environments that also include DB2 EEE and Oracle RAC. We believe Quest Central for Databases to be the most comprehensive database management solution available and we continue to broaden its coverage of essential tasks within all of the supported database environments."

Pricing and Availability

Quest Central for Databases with support for DB2 SYSPLEX will be available with the release of version 4.5 in June of 2004. MIPS-based pricing starts at $50 per MIP, U.S. Quest Software's stand-alone diagnostic solution for DB2, Quest Spotlight for DB2 also supports DB2 SYSPLEX and is also available now with pricing starting at $10,000, U.S.

The Quest Central Workbench

Quest Central improves productivity by providing a comprehensive administrative workbench designed to deliver the day-to-day tools IT professionals need to improve the performance and availability of their critical systems. Quest Software currently offers the Quest Central for Databases workbench for multi-platform database environments including Oracle, DB2 and SQL Server as well as Quest Central for Microsoft a comprehensive workbench for Windows administrators.

About Quest Software, Inc.

Quest Software, Inc. provides software for Application Confidence to 18,000 customers worldwide, including 75 percent of the Fortune 500. Quest products for application, database and Windows management help customers develop, deploy, manage and maintain the IT enterprise without expensive downtime or business interruption. Headquartered in Irvine, Calif., Quest Software can be found in offices around the globe and at www.quest.com.

Quest, Quest Software, Quest Central and Spotlight are registered trademarks of Quest Software, Inc. The Quest Software logo and all other Quest Software product or service names and slogans are registered trademarks or trademarks of Quest Software, Inc. All other trademarks and registered trademarks are property of their respective owners.

Forward-Looking Statements

This release may include predictions, estimates and other information that might be considered forward-looking statements, including statements relating to the availability and market acceptance of the new release of Quest Central for Databases. These statements are based on current expectations and assumptions that are subject to risks and uncertainties. Actual results could differ from those anticipated as a result of various factors, including the impact of economic conditions on our customers, variations in the size and timing of customer orders; competitive products and pricing; rapid technological change; risks associated with the development and market acceptance of new products; disruptions caused by acquisitions of companies and/or technologies; risks associated with international operations; and the need to attract and retain qualified personnel. For a discussion of these and other related risks, please refer to our recent SEC filings, including our Annual Report on Form 10-K for the year ended December 31, 2003, and our Quarterly Report on Form 10-Q for the quarter ended March 31, 2004. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date thereof. We undertake no obligation to update forward-looking statements to reflect events or circumstances after the date thereof.