Mosso, Rackspace’s Cloud Hosting Division, Appoints General Manager

Mosso Press Release

Mosso, Rackspace’s Cloud Hosting Division, Appoints General Manager

Emil Sayegh Adds Extensive Product Development, Marketing and Operations Experience

SAN ANTONIO – November 17, 2008 – Rackspace® (NYSE:RAX) Hosting’s cloud division Mosso®, today announced the expansion of its leadership team, naming Emil Sayegh as general manager. Sayegh was previously the vice president of the product group at Rackspace where his responsibilities included the development, marketing and management of new products and services for the company’s managed hosting product line.

Prior to joining Rackspace, Sayegh spent more than 15 years in the IT industry in various product development and marketing roles. Most recently, Sayegh was the services marketing and development director at Dell Inc. where he oversaw the global services roadmap. Additionally, Sayegh served in leadership positions at several notable IT companies including RLX Technologies, Compaq Computers and W.L. Gore and Associates. He holds nine patents in the fields of electronics and telecommunication.

“As the VP of our product group, Emil directed the launches of multiple, successful products including the company’s Hosted Microsoft Exchange and our virtualization product set,” said Lanham Napier, CEO, Rackspace Hosting. “Our cloud hosting initiatives are extremely important to the company’s future, which is why we’ve selected someone with a winning track record to run that business.”

Rackspace’s cloud hosting division is currently hosting more than 80,000 websites and applications on Cloud Sites™, reflecting a 175 percent increase over this time last year. Last month the company unveiled its cloud hosting strategy, including the announcement of two acquisitions and a suite of cloud solutions at the Rackspace Cloud Event. The two newest additions to the product suite, Cloud Files™ and Cloud Servers™, will leverage technology acquired through the acquisitions of Slicehost and Jungle Disk.

“I am honored to be joining the cloud division. This is a great opportunity to lead what could be one of the biggest technology evolutions the market has seen – cloud computing,” said Sayegh. “Cloud technologies delivered by Rackspace will provide the cost and scalability advantages of the cloud with Rackspace’s world-leading service approach, making the cloud both affordable and easy to use.”

Sayegh holds a bachelor of science in Engineering and a master of science in Technology Commercialization from the University of Texas at Austin.

About Mosso, Rackspace’s Cloud Hosting Division
Mosso is the home of Cloud Sites, Cloud Files™ and Cloud Servers™, providing enterprise-grade hosting and storage services. Mosso provides an easily managed interface allowing developers, designers and IT managers to deploy reliable web applications quickly and easily as well as high performance cloud-based storage services. Founded by two Rackspace employees, Mosso is built upon a cross platform, clustered-computing architecture. For more information, visit or call 1-877-934-0409.

About Rackspace Hosting
As the world’s leader and specialist in hosting, Rackspace Hosting is changing the way businesses worldwide buy IT. Rackspace delivers computing-as-a-service, integrating the industry’s best technologies into a flexible service offering, making computing more reliable and affordable. A trusted partner to companies of all sizes, Rackspace enables IT departments to be more effective. Rackspace is distinguished by its award-winning Fanatical Support®, furthering the company’s mission to be one of the world’s greatest service companies. Rackspace is recognized as one of FORTUNE Magazine’s 100 Best companies to work for, ranking number 32 on the 2008 list.  Rackspace’s portfolio of hosted IT services includes managed hosting (, email hosting ( and cloud hosting (  For more information on Rackspace Hosting please visit or call 800-961-2888.

About Limelight Networks, Inc.
Limelight Networks, Inc. (Nasdaq: LLNW) is a content delivery partner enabling the next wave of Internet business and entertainment. More than 1,300 Internet, entertainment, software, and technology brands trust our robust, scalable platform to monetize their digital assets by delivering a brilliant online experience to their global audience. Our architecture bypasses the busy public Internet using a dedicated optical network that interconnects thousands of servers and delivers massive files at the speed of light — directly to the access networks that consumers use every day. Our proven network and passion for service provides our customers confidence that every object in their library will be delivered to every user, every time. Read our blog at or visit for more information.

Forward Looking Statements

This press release contains forward-looking statements that involve risks, uncertainties and assumptions. If such risks or uncertainties materialize or such assumptions prove incorrect, the results of Rackspace Hosting could differ materially from those expressed or implied by such forward-looking statements and assumptions. All statements other than statements of historical fact are statements that could be deemed forward-looking statements, including any statements concerning expected development, performance or market acceptance associated with the integration of Cloud Files and the CDN application or any other cloud hosting portfolio products or services; any other statements of expectation or belief; and any statements of assumptions underlying any of the foregoing. These statements are based on estimates and information available to us at the time of this presentation and are not guarantees of future performance. Actual results could differ materially from our current expectations as a result of many factors, including but not limited to: the unpredictable nature of our rapidly evolving market and quarterly fluctuations in our business; the effects of competition; changes in the economy, technological and competitive factors, regulatory factors, and other risks that are described in our report on Form 10-Q for the quarter ended September 30, 2008. Except as required by law, Rackspace Hosting assumes no obligation to update these forward-looking statements publicly, or to update the reasons actual results could differ materially from those anticipated in these forward-looking statements, even if new information becomes available in the future.

Editorial Contacts:
Krisana Puccio
Product Marketing Manager

Halli Hollimon
Corporate Communications Manager
Rackspace Hosting

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