Quest Completes Acquisition of Surgient – Forging Powerful Solution for Cloud and Desktop and Server Virtualization

Company Will Unveil Cloud and Virtualization Roadmap at VMworld Later this Month

ALISO VIEJO, Calif. – Quest Software, Inc. (Nasdaq: QSFT) today announced the completion of its acquisition of privately held Surgient, a leader in private cloud automation software. Surgient, located in Austin, Texas, will expand Quest virtualization management capabilities by enabling organizations to automate the deployment and management of secure private cloud infrastructures to gain business agility and reduce costs.

“As a customer of Surgient, we liked the company so much we bought it,” said Doug Garn, CEO and president, Quest Software. “We are confident our customers will benefit from this impressive array of patented technologies and products, developed by some of the brightest people in the industry. We’re simplifying how our customers implement and benefit from a private cloud infrastructure with the best management solutions on the market today.”

Private cloud computing is emerging as a fundamental requirement for businesses. As a leading provider of cloud automation solutions, Surgient provides a patented and proven technology that supports heterogeneous hypervisor environments and diverse customer environments, including mid-market, enterprise, and managed service providers.

“The acquisition of Surgient puts Quest fully into the virtualization management fray,” said Bernd Herzog, analyst, Virtualization Performance and Capacity Management at industry analyst firm The Virtualization Practice. “Very soon, we expect to see the Surgient private cloud management assets combined with the full Foglight performance management assets – and the rest of the Vizioncore product suite – to create what will probably be the single most formidable third party virtualization management offering.”

Quest will continue to market and sell the Surgient cloud platform and offer customers the company’s popular Cloud Express, which provides a private cloud of 30 CPUs in 30 days. Quest will share details of its virtualization and cloud management roadmap on Aug. 31, at VMworld in San Francisco. For a full demonstration of all Quest virtualization and cloud offerings at VMworld, please visit us in Quest booths 1113 and 1213 in Moscone Center South.

About Quest Software, Inc.

Now more than ever, organizations need to work smart and improve efficiency. Quest Software creates and supports smart systems management products – helping our customers solve everyday IT challenges faster and easier. Our innovative solutions for application monitoring, database management, Windows management and virtualization management help customers achieve better results, faster. Visit www.quest.com for more information.

# # #

Forward Looking Statements:
This press release includes predictions, statements and other information relating to our acquisition of Surgient, Inc. that might be considered forward-looking statements. These forward-looking statements relate, but are not limited, to the combination of Surgient technologies with Quest product offerings, the capabilities of such technologies and offerings and future benefits to Quest customers. These statements are based on current expectations and assumptions that are subject to risks and uncertainties. Actual results could differ materially from those anticipated as a result of various factors, including: reductions or delays in information technology spending; adverse changes in general economic or market conditions; our ability to successfully integrate Surgient personnel, products and technologies into Quest product offerings; risks associated with foreign operations; competitive factors, including industry consolidation, entry of new competitors into the private cloud computing market, and new product and marketing initiatives by our competitors; our ability to retain existing personnel and recruit and retain qualified personnel; and other risks described from time to time in Quest’s filings with the SEC. 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, 2009, which are available on the SEC’s website at www.sec.gov. 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.

Editorial Contact:
Ken Montgomery
Quest Software, Inc.
949.754.8633
ken.montgomery@quest.com

Investor Contact:
Stephen Wideman
949.754.8142
Stephen.Wideman@quest.com