Quest Software Ranked No. 1 Vendor in Application Management Software Industry in 2003; Quest Also Named No. 5 in Overall Enterprise Systems Management Software

Business Wire, Nov 22, 2004

IRVINE, Calif. -- Quest Software Inc. (NASDAQ:QSFT), a leading provider of application, database and Windows management solutions, today announced that it has been named the leader in the Application Management segment of Gartner Dataquest's Enterprise Systems Management (ESM) Software market in 2003. The Gartner Dataquest report, titled "Market Share: Enterprise Systems Management Software Market, Worldwide, 2003"(a), ranks Quest Software the No. 5 vendor overall, as well as the No. 1 vendor in the Application Management category.

"Quest Software is pleased to be recognized by Gartner Dataquest as a top-five vendor in the overall ESM Market and as the No. 1 vendor in the ESM Application Management category," said Vinny Smith, chairman and CEO, Quest Software. "Quest solutions help customers to simplify, automate and secure their business-critical applications, databases and Windows infrastructure so that they may remain in control. Our ability to deliver solutions that satisfy customer needs in these three key areas is second to none. In fact, based on research reports from multiple analyst firms, Quest is now the No. 1 vendor in application management, distributed database management and Windows server management."

Gartner Dataquest's Enterprise System Management (ESM) software market category is intended to represent all of the tools needed to manage the provisioning, capacity, performance and availability of the computing, networking and application environment. Gartner Dataquest divides the ESM market into eight major segments including: Database Management, Application Management, Availability and Performance, Network Management, Configuration Management, IT Service Desk and IT Help Desk, Asset Management and Job Scheduling. The report was released in November 2004.

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. With headquarters in Irvine, 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.

(a) From "Market Share: Enterprise Systems Management Software, Worldwide 2003," by Laurie Wurster, Gartner Dataquest, Nov. 2, 2004.