Quest Software Broadens Its Portfolio of DB2 Management Products with New Performance Diagnostics Solutions.

IRVINE, Calif. -- Quest Spotlight on DB2 UDB and Quest Spotlight on DB2 OS/390 Help to Pinpoint Performance Problems for Rapid Resolution

Quest Software, Inc. (NASDAQ:QSFT), a leading provider of application, database and Windows management solutions, today announced the availability of new versions of Quest Spotlight on DB2 UDB and Quest Spotlight on DB2 OS/390, two powerful performance diagnostics solutions that help to pinpoint the source of DB2 performance problems so that they may be rapidly resolved before end user service levels are impacted. The delivery of the new versions of Quest Spotlight on DB2 UDB and Quest Spotlight on DB2 OS/390 is part of Quest Software's ongoing commitment to support customers who rely on DB2 databases to build and support their robust on demand business applications.

"Quest Software is dedicated to supporting its DB2 customers with powerful solutions to simplify and automate the management of business-critical DB2-based applications," said Doug Merritt, senior vice president and general manager, Application and Database Management Solutions, Quest Software. "The new versions of Spotlight on DB2 UDB and Spotlight on DB2 OS/390 add to Quest's list of products designed to improve the quality, performance and availability of DB2 databases throughout the entire database application lifecycle. From design and development to test and production, Quest Software will help database developers and administrators to quickly create, deploy and manage DB2 database applications that sustain the critical service level requirements of their business."

Spotlight on DB2 UDB and Spotlight on DB2 OS/390 are powerful performance diagnostics tools that display real-time, graphical illustrations of all DB2 activity in a simple and intuitive interface. With architecturally accurate visual representations of the DB2 environment, Spotlight enables database administrators to view all activity across the entire DB2 instance or subsystem analyzing connections, wait events, locking, memory and disk I/O to pinpoint and alleviate problem areas as they occur. Metrics can be viewed in either real-time or historically. With Spotlight on DB2, DBAs are alerted when key metric thresholds are triggered and essential details of problem areas are revealed for quick diagnosis and resolution before users are impacted.

"The core of today's business information is contained within complex RDBMS environments," says Ray Paquet, vice president and research director of Gartner, Inc. "Organizations managing these systems should invest in tools that enable them to diagnose and resolve performance issues before end users are affected and business is interrupted."

Quest Spotlight on DB2 UDB and Quest Spotlight on DB2 OS/390 are part of a complete set of Quest Software solutions that help customers achieve optimum performance and availability for their vital DB2 databases. Other Quest Software products that help customers get the most from their DB2 database investment include:

--Foglight(R), and the Foglight Cartridge for DB2 - a 24x7 unattended monitoring solution that monitors completes DB2/UDB database environments and provides proactive notifications of impending or actual problems along with historical information to provide a complete picture of DB2 performance and availability.

--Quest SQL Optimizer for DB2 - a comprehensive SQL performance tuning and optimization solution that eliminates problematic SQL before users experience DB2 application performance problems.

--DataFactory(R) - a powerful data generator that allows developers and QA personnel to easily populate DB2 test databases with millions of rows of meaningful, syntactically correct test data with just a few clicks of the mouse.

--Benchmark Factory(R) - a load testing solution that prevents unplanned DB2 downtime and slow performance by testing system limits before applications go live.

--QDesigner(TM) - a database and application design tool that combines object-oriented, conceptual and physical data modeling capabilities in a single, integrated environment.

--Knowledge Xpert(TM) for DB2 - a comprehensive Windows-based technical resource designed to help solve problems for DB2 on OS/390 and UDB for NT and Unix.

Quest Software has aggressive plans to deliver additional products for DB2 database management over the next six months including solutions for space management, database administration and SQL analysis.

About Quest Spotlight

Spotlight on DB2 UDB and Spotlight on DB2 OS/390 are components of Quest Software's extensive Spotlight product suite for applications, databases and systems. Today, Quest offers Spotlights for major applications including Siebel, Oracle E-Business Suite, and Microsoft Exchange; database platforms including Oracle, Sybase ASE, SQL Server and DB2; and systems including Windows, Active Directory, Unix/Linux, WebLogic and WebSphere. For each of these environments, Quest offers similar, easy-to-use diagnostics features, eliminating a learning curve for each environment by presenting each environment's issues in a common, intuitive user interface.

Pricing and Availability

Quest Spotlight on DB2 UDB is available now, with pricing starting at $3,600 per server. Quest Spotlight on DB2 OS/390 is also available now, with pricing starting at $275 per MIP. Additional information may be found at http://www.quest.com/solutions/db2.asp.

About Quest Software, Inc.

Quest Software, Inc. provides software to simplify IT management 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 and Quest Software 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 concerning the availability and market acceptance of our new releases of Spotlight. 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 including risks relating to integration of the combined companies; 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 June 30, 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.