World’s Leading Independent Virtualization Conference – Virtualization Congress – Comes to Citrix Synergy 2009

With Lineup Addition, Industry’s Premier Mega-Conference Doubles the Amount of Technical Sessions on Virtualization Technologies

FORT LAUDERDALE, Fla. - Citrix Systems, Inc. (NASDAQ: CTXS), the global leader in application delivery, today announced the further expansion of its Synergy conference line-up with a special focus on virtualization, a technology made for today’s economy. When Synergy opens in Las Vegas on May 4, 2009, it will include Virtualization Congress 2009, the world’s leading independent virtualization conference. Presented by virtualization.info, the oldest and most popular portal about virtualization technologies, Virtualization Congress will span the entire spectrum of virtualization disciplines with independent speakers, breakout sessions, technology programs and keynoters.

The announcement comes just a week after Synergy organizers announced the mega conference will house Network World Live! The Application Delivery Blueprint Conference. See news release dated December 3, 2008 for more information on Network World Live!

Virtualization Congress, specifically designed for virtualization architects and engineers, will feature over two days of technical sessions. Topics will include: application virtualization and streaming; benchmarks; cloud computing; hosted virtual desktop infrastructure; software development and testing through virtual lab automation; storage virtualization; technology adoption challenges; technology ROI; virtual machine disaster recovery and high-availability; virtual machines lifecycle management as well as capacity planning, design, automation, orchestration, security, performance monitoring, maintenance and troubleshooting of virtual infrastructures. Conference planners are currently accepting speaker nominations around these topics. Independent professionals and solution providers may submit proposals no later than December 31, 2008 at the conference Website: http://www.virtualizationcongress.com/cfp.htm.

virtualization.info is the oldest and most popular portal about virtualization technologies, covering hardware virtualization, OS virtualization and application virtualization markets since 2003. virtualization.info is a fully independent and unbiased news source for virtualization professionals across the globe, working in enterprise companies and SMB, across all industry segments. The portal tracks over 100 vendors, from the emerging startups to the established market leaders. virtualization.info readership includes individuals from most Fortune 500 and Global 2000 companies, counting over 9,000 subscribers per day, and over 2 million visitors per year. It is the leading news source of choice for virtualization professionals in North America, Europe and Asia, including IT managers, system architects and engineers who design, manage and maintain large scale virtual infrastructure, up to over 1,000 virtual machines.

Born as a user conference more than 10 years ago, Citrix Synergy™ has been completely reconceived as the industry’s premier thought leadership event where virtualization, networking and application delivery meet. Citrix Synergy is a mega-conference, combining several events with one registration, now including Virtualization Congress 2009, iForum – a traditional user conference revealing the latest on Citrix products and solutions; Network World Live! The Application Delivery Blueprint Conference and Geek Speak Live! – the return of the highly successful ultimate unconference where tech geeks, analysts and bloggers pick the topics and facilitate the sessions. Citrix Synergy will be at the MGM Grand Resort and Casino in Las Vegas from May 4 to May 7, 2009. More information is available on the Citrix Synergy Website at http://www.citrixsynergy.com.

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 27A of the Securities Act of 1933 and of Section 21E of the Securities Exchange Act of 1934. The forward-looking statements in this release do not constitute guarantees of future performance. Investors are cautioned that statements in this press release, which are not strictly historical statements, involve a number of factors that could cause actual results to differ materially, including risks associated with the uncertainty in the IT spending environment and the risk of a downturn in economic conditions generally, revenue growth and recognition of revenue, products, their development and distribution, product demand and pipeline, competitive factors, the Company’s key strategic relationships, acquisitions 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.