Citrix Systems Positioned in the Leaders Quadrant for 2008 Enterprise Single Sign-On Magic Quadrant

Evaluation Based on Completeness of Vision and Ability to Execute

SANTA CLARA, CA. - Citrix Systems, Inc. (NASDAQ: CTXS), the global leader in application delivery infrastructure, today announced Citrix has been positioned by Gartner, Inc. in the leaders quadrant in the Gartner 2008 Magic Quadrant for Enterprise Single Sign-On1. Gartner defines leaders in the ESSO market as those that “show a consistent capability to gain new customers in broad industries and geographies; and, at the higher end of the quadrant, have very good to excellent customer references, products that easily integrate with target systems; and those who demonstrate a commitment to rapidly providing the product updates that their customers want.” Gartner clients can obtain the report at www.gartner.com.

“We consider our positioning in the leader quadrant by Gartner affirmation of Citrix’s goal to provide organizations with a strong password management capability as part of Citrix Delivery Center,” said Sumit Dhawan, vice president of product marketing, Application Virtualization Group, Citrix Systems. “As one of the key features of our flagship Citrix XenApp product line, Password Manager provides improved application security without sacrificing performance or user experience. Password Manager is an excellent example of how we build the best-of-breed technologies and integrate them into XenApp to offer our customers a complete application delivery solution.”

Gartner evaluated 12 Enterprise Single Sign-On vendors serving enterprise customers based on completeness of vision and ability to execute. The ability to execute criteria included factors such as the functionality of vendor’s products, overall viability, sales execution, market responsiveness customer experience and operations. The completeness of vision criteria included the vendor’s market understanding, marketing strategy, sales strategy, offering strategy, business model, vertical/industry strategy, innovation, and geographic strategy.

Citrix Password Manager™ increases application security for all applications by allowing IT managers to centralize password management for greater control, while improving users experience with fast, automated logons to all applications. Password Manager also enables end users to reset their Windows password or unlock their account anywhere using any device.

Citrix® XenApp™, a member of the Citrix Delivery Center™ product family, is the industry’s de facto standard for delivering Windows-based applications with the best performance, security and cost savings. XenApp is the most complete application virtualization system available with the ability to virtualize applications on both the client side and server side, delivering them on demand based on the user, the application or the location (online or offline). By centralizing applications and data in secure data centers, IT can reduce the costs of management and support, increase data security and facilitate business continuity. XenApp Platinum edition adds critical capabilities for application performance monitoring, secure remote access, WAN optimization and single-sign-on application security.

About the Magic Quadrant
The Magic Quadrant is copyrighted September 18, 2008 by Gartner, Inc. and is reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner’s analysis of how certain vendors measure against criteria for that marketplace, as defined by Gartner. Gartner does not endorse any vendor, product or service depicted in the Magic Quadrant, and does not advise technology users to select only those vendors placed in the “Leaders” quadrant. The Magic Quadrant is intended solely as a research tool, and is not meant to be a specific guide to action. Gartner disclaims all warranties, express or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.

About Citrix
Citrix Systems, Inc. (NASDAQ:CTXS) is the global leader and the most trusted name in Application Delivery Infrastructure. More than 215,000 organizations worldwide rely on Citrix to deliver any application to users anywhere with the best performance, highest security and lowest cost. Citrix customers include 100 percent of the Fortune 100 companies and 99 percent of the Fortune Global 500, as well as hundreds of thousands of small businesses and prosumers. Citrix has approximately 8,000 partners in more than 100 countries. Annual revenue in 2007 was $1.4 billion.

For Citrix Investors
This release contains forward-looking statements which are made pursuant to the safe harbor provisions of Section 21E of the Securities Exchange Act of 1934. The forward-looking statements in this release do not constitute guarantees of future performance. Those statements involve a number of factors that could cause actual results to differ materially, including risks associated with revenue growth and recognition of revenue, products, their development and distribution, product demand and pipeline, economic and competitive factors, the Company’s key strategic relationships, acquisition and related integration risks as well as other risks detailed in the Company’s filings with the Securities and Exchange Commission. Citrix assumes no obligation to update any forward-looking information contained in this press release or with respect to the announcements described herein.

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Citrix®, Citrix Password Manager™, XenApp™, Citrix Delivery Center™ are trademarks of Citrix Systems, Inc. and/or one or more of its subsidiaries, and may be registered in the U.S. Patent and Trademark Office and in other countries. All other trademarks and registered trademarks are property of their respective owners.

1Gartner, Inc. “Magic Quadrant for Enterprise Single Sign-On” by Gregg Kreizman, Sept. 18, 2008