Rackspace Hosting Ranked as Champion in Cloud Infrastructure Category

San Antonio, TX – June 22, 2010 – Rackspace® Hosting (NYSE:RAX), the leader in the hosting and cloud computing industry, has been listed as a Champion in Info-Tech Research Group’s Cloud Infrastructure vendor landscape.  Info Tech Research Group’s vendor landscape report provides a detailed, head-to-head, analytical comparison of products in a given market.  Assessing vendors by the strength of their offering and their strategy for the enterprise, this report simplifies the selection process for IT decision makers and highlights products which should be considered.

“As a cloud industry leader, Rackspace continues to focus on building out the best cloud to service our customers,” said Pat Matthews, vice president and general manager of Rackspace Cloud. “Being recognized as a Champion in Info-Tech Research Group’s vendor landscape report validates our leadership position, which has been achieved through our deep industry expertise and commitment to Fanatical Support®.”

Rackspace has experienced tremendous traction in its cloud business, with its cloud revenue and cloud customer count having nearly doubled on an annual basis as of March 31, 2010.

This report is designed to recognize vendors that provide quality products and services to their clients, and therefore is a tool that can help enterprise IT decision-makers identify a short list of vendors for their IT programs.  Rackspace was one of nine vendors assessed in the recent vendor landscape report assessment entitled “Select the Right Cloud Infrastructure Service Partner.”

The landscape report assesses each cloud vendor in six categories including; features, affordability, usability, vendor viability, geographic presence and support to compute a ranking for each vendor.

The Info-Tech Research Group’s latest vendor landscape report for the category of Cloud Infrastructure is available through the company at www.infotech.com.

About Rackspace Hosting

Rackspace Hosting is the world’s leader in the hosting and cloud computing industry. The San Antonio-based company provides Fanatical Support ® to its customers, across a portfolio of IT services, including Managed Hosting and Cloud Computing. For more information, visit

www.rackspace.com.

About Info-Tech Research Group

With a paid membership of over 21,000 worldwide, Info-Tech Research Group (www.infotech.com) is the global leader in providing tactical, practical Information Technology research and analysis. Info-Tech Research Group has a ten-year history of delivering quality research and is one of North America’s fastest growing full-service IT analyst firms.

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 industry trends, operational and financial results and growth plans and expectations; any statements of expectation or belief; and any statements or assumptions underlying any of the foregoing. Risks, uncertainties and assumptions include infrastructure failures, the continuation or further deterioration of the current difficult economic conditions or further fluctuations, disruptions, instability or downturns in the economy, the effectiveness of managing company growth, technological and competitive factors, regulatory factors, and other risks that are described in Rackspace Hosting’s Form 10-Q for the quarter ended March 31, 2010 filed on May 6, 2010. 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.

Press Contacts:

Rachel Flewelling

Info-Tech Research Group

Public Relations

rflewelling@infotech.com

1-888-670-8889 ex.3061

Samantha Swaim

Rackspace Hosting

Corporate Communications

samantha.swaim @rackspace.com

210-312-3650

Rackspace Hosting Ranked as Champion in Cloud Infrastructure Category

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