Rackspace Announces Plans to Collaborate with NASA on OpenStack Project

UXBRIDGE, England, July 26, 2010 - Rackspace Hosting has announced the launch of OpenStack, an open-source
cloud platform designed to foster the emergence of technology standards and
cloud interoperability.

Rackspace, the leading specialist in the hosting (
www.rackspace.co.uk/rackspace-home/) and cloud hosting (
www.rackspace.co.uk/cloud-hosting/) industry, is donating the code
that powers its Cloud Files and Cloud Servers public-cloud offerings to the
OpenStack project. The project will also incorporate technology that powers
the NASA Nebula Cloud Platform. Rackspace and NASA plan to actively
collaborate on joint technology development and leverage the efforts of
open-source software developers worldwide.

"Modern scientific computation requires ever increasing storage and
processing power delivered on-demand," said Chris Kemp, NASA's Chief
Technology Officer for IT. "To serve this demand, we built Nebula, an
infrastructure cloud platform designed to meet the needs of our scientific
and engineering community. NASA and Rackspace are uniquely positioned to
drive this initiative based on our experience in building large scale cloud
platforms and our desire to embrace open source."

OpenStack will feature several cloud infrastructure components including
a fully distributed object store based on Rackspace Cloud Files. The next
component planned for release later this year is a scalable
compute-provisioning engine based on the NASA Nebula cloud technology and
Rackspace Cloud Servers technology. Using these components, organisations
would be able to turn physical hardware into scalable and extensible cloud
environments using the same code currently in production serving tens of
thousands of customers and large government projects.

"We are founding the OpenStack initiative to help drive industry
standards, prevent vendor lock-in and generally increase the velocity of
innovation in cloud technologies," said Lew Moorman, president, Cloud and CSO
at Rackspace. "We are proud to have NASA's support in this effort. Its Nebula
Cloud Platform is a tremendous boost to the OpenStack community. We expect
ongoing collaboration with NASA and the rest of the community to drive
more-rapid cloud adoption and innovation, in the private and public spheres."

Rackspace and NASA have committed to use OpenStack to power their cloud
platforms, and Rackspace will dedicate open-source developers and resources
to support adoption of OpenStack among enterprises and service providers.
Rackspace recently hosted an OpenStack Design Summit where more than 100
technical advisors, developers and founding members joined to validate the
code and ratify the project roadmap. More than 25 companies were represented
at the Design Summit including AMD, Autonomic Resources, Citrix, Cloud.com,
Cloudkick, Cloudscaling, CloudSwitch, Dell, enStratus, FathomDB, Intel,
iomart Group, Limelight, Nicira, NTT DATA, Opscode, PEER 1, Puppet Labs,
RightScale, Riptano, Scalr, SoftLayer, Sonian, Spiceworks, Zenoss and Zuora.

"OpenStack provides a solid foundation for promoting the emergence of
cloud standards and interoperability," said Peter Levine, SVP and GM,
Datacenter and Cloud Division, Citrix Systems. "As a longtime technology
partner with Rackspace, Citrix will collaborate closely with the community to
provide full support for the XenServer platform and our other cloud-enabling
products."

About Rackspace Hosting

Rackspace Hosting is the world's leading specialist in the hosting and
cloud computing industry and has been ranked in Financial Times Top 50 Great
Place to Work in the United Kingdom for the past six years. Rackspace
provides Fanatical Support ' to its customers, across a portfolio of IT
services, including dedicated hosting (
www.rackspace.co.uk/managed-hosting/hosting-solutions/dedicated-server
s/) , managed hosting, virtualisation (
www.rackspace.co.uk/managed-hosting/hosting-solutions/managed-private-
cloud/) and cloud computing located within Rackspace's secure and reliable
data centres (
www.rackspace.co.uk/managed-hosting/hosting-solutions/managed-hosting/
data-centre-facilities/) .

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About the NASA Nebula Cloud Program

NASA Nebula is a Cloud Computing service based at NASA Ames Research
Center that provides high performance compute, network, and data storage
services to NASA scientists and researchers. Nebula allows NASA to share and
process large scientific data sets and was one of three flagship projects
highlighted in NASA's Open Government Plan.

    For further media information, please contact:
    Brooke Hamilton
    Rackspace Hosting
    4 The Square
    Stockley Park
    Uxbridge
    UB11 1BA
    +442087342574
    www.rackspace.co.uk

For further media information, please contact: Brooke Hamilton, Rackspace Hosting, 4 The Square, Stockley Park, Uxbridge, UB11 1BA, +442087342574