Rackspace Cloud Block Storage SSD volumes are ideally suited for customers that require even higher levels of performance than what is normally experienced with standard drives. With a faster and more reliable SSD-based storage solution, customers can be better equipped to use applications that are crucial to their business, such as self-managed MySQL databases, MongoDB, Cassandra, and Web caching and indexing, among others.“Based on our internal benchmarks, we’ve been impressed with the ability of Rackspace Cloud Block Storage to steadily perform at a high level,” said Greg Arnette, CTO at Sonian Inc. “For our customers, the capacity to effectively archive large amounts of email data is critical to their business. As a result, we look for storage solutions that give us maximum agility, scalability and enterprise readiness. We are excited that Rackspace is now providing a new block storage alternative service for running our large scale email archiving deployments.” Cloud Block Storage joins Cloud Databases as a key solution in Rackspace’s expanding portfolio of storage products. Rackspace Cloud Block Storage is now available in the U.S. and UK. For more information, visit http://www.rackspace.com/cloud/public/blockstorage/ 1 The data provided results from performance benchmarking tests that were commissioned by Rackspace. More information is available at: http://www.rackspace.com/blog/cloud-block-storage/. About Rackspace Rackspace® Hosting (NYSE: RAX) is the open cloud company, delivering open technologies and powering more than 190,000 customers worldwide. Rackspace provides its renowned Fanatical Support® across a broad portfolio of IT products, including Public Cloud, Private Cloud, Hybrid Hosting and Dedicated Hosting. The company offers choice, flexibility and freedom from vendor lock in. Rackspace has been recognized by Bloomberg BusinessWeek as a Top 100 Performing Technology Company and is featured on Fortune’s list of 100 Best Companies to Work For. Rackspace was positioned in the Leaders Quadrant by Gartner Inc. in the “2011 Magic Quadrant for Managed Hosting.” Rackspace is headquartered in San Antonio with offices and data centers around the world. For more information, visit www.rackspace.com. 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 Rackspace Cloud Block Storage; anticipated operational and financial benefits from Rackspace Cloud Block Storage; any statements of expectation or belief; and any statements of assumptions underlying any of the foregoing. Risks, uncertainties and assumptions include including the possibility that expected benefits from Rackspace Cloud Block Storage may not materialize because the product is not generally accepted in the marketplace, which could occur due to certain factors including (i) a failure to market the product cost effectively, differentiate the product from competitive products or communicate differentiations effectively, (ii) the reliability, quality or compatibility associated with the product, (iii) changes in technology which adversely affect the benefits of the product, (iv) slowdowns in the general economy or technology industry that impact consumer spending habits, (v) internal strategy decisions that impact the products and services, and (vi) and other risks that are described in Rackspace Hosting’s Form 10-Q for the quarter ended June 30, 2012, filed with the SEC on August 9, 2012. 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.