| Autonomy Powers Award-Winning Website for Leading Swiss Pharmaceutical Company 
 Autonomy's WCM Platform Used by Two-Time Winner of The Swiss Pharma Site Monitor
 Report, Actelion
 
 CAMBRIDGE, England and SAN FRANCISCO, June 22, 2011 /PRNewswire via COMTEX/ --
 Autonomy Corporation plc , a global leader in infrastructure software for the
 enterprise, today announced that the website of leading Swiss pharmaceutical
 company Actelion, powered by Autonomy's flagship Web Content Management (WCM)
 platform, has twice consecutively been named the winner of the Swiss Pharma Site
 Monitor performance report. The Swiss Pharma Site Monitor report, which provides
 a unique combination of insights on key competences, ranging from web diagnostic
 reporting and usability to online strategy and management, cites Actelion's
 website, actelion.com, as "a clear example that other companies can
 look up to."
 
 Headquartered in Switzerland, Actelion is a biopharmaceutical company focusing on
 the discovery, development and commercialization of innovative treatments to
 serve high, unmet medical needs. Actelion has subsidiaries in 29 countries,
 covering all major pharmaceutical markets worldwide. The company leverages
 Autonomy's meaning-based WCM solution to effectively manage and optimize web
 content segmentation and delivery in order to meet the customer experience needs
 of its diverse target groups.
 
 Powered by the Intelligent Data Operating Layer (IDOL), Autonomy WCM is the
 industry's only solution to leverage pattern-based technology to form, in
 real-time, a conceptual and contextual understanding of all customer interactions
 from multiple channels, and enable the automatic delivery of optimized online
 content. Autonomy TeamSite allows Actelion employees to create and deliver the
 content on its website from an intuitive, unified interface, while Autonomy
 LiveSite enables the creation of dynamic, interactive and targeted sites for any
 purpose, such as a special corporate announcement. By enabling Actelion employees
 to easily create and dynamically deliver highly-targeted, consistent, and
 engaging web content, Autonomy's WCM solution was able to seamlessly support a
 comprehensive creative re-design of the Actelion website in early 2011.
 
 The Swiss Pharma Site Monitor utilizes an objective, state-of-the-art
 benchmarking system that weighs all criteria relevant for the success of a
 website, which it divides into the three main areas of 'quality', 'usability',
 and 'business value'. In its latest 2011 report, the Swiss Pharma Site Monitor
 evaluated over a hundred websites operated by pharmaceutical companies in
 Switzerland, and named actelion.com 'Overall Winner by Total Score',
 after having previously awarded the website the same standing in 2010. The report
 cites Actelion's website as possessing "consistent strength across multiple
 disciplines," allowing it to "clearly leave the competition trailing in its
 wake."
 
 "Since the implementation of Autonomy's WCM platform, Actelion's website has been
 awarded the highest ranking by the Swiss Pharma Site Monitor twice in a row. It
 has also undergone comprehensive creative redesign," commented Actelion.
 "Autonomy WCM has had a pivotal role in making this a reality by giving us a
 powerful, intelligent and easy-to-use online marketing platform for managing our
 strategic initiatives and significantly reducing time to web."
 
 "As the industry's most integrated and comprehensive solution, Autonomy WCM
 enjoys a track record of powering over 20,000 websites worldwide, including those
 of some of the largest global brands," said James Murray, VP Autonomy Promote
 Solutions EMEA. "The fact that one of these websites, Actelion, has twice been
 independently recognized for its excellence is a further testament to the
 concrete benefits of the Autonomy solution."
 
 As a future extension to its longstanding partnership with Autonomy, Actelion
 plans to adopt more of Autonomy's meaning-based platform for enterprise search
 and analytics, also powered by IDOL, to penetrate all information silos, derive
 maximum value from corporate assets, and boost employee productivity, while
 minimizing the risks endemic to information proliferation.
 
 Please visit autonomy.com to find out more.
 
 About Autonomy
 
 Autonomy Corporation plc , a global leader in infrastructure software for the
 enterprise, spearheads the Meaning Based Computing movement. IDC recently
 recognized Autonomy as having the largest market share and fastest growth in the
 worldwide search and discovery market. Autonomy's technology allows computers to
 harness the full richness of human information, forming a conceptual and
 contextual understanding of any piece of electronic data, including unstructured
 information, such as text, email, web pages, voice, or video. Autonomy's software
 powers the full spectrum of mission-critical enterprise applications including
 pan-enterprise search, customer interaction solutions, information governance,
 end-to-end eDiscovery, records management, archiving, business process
 management, web content management, web optimization, rich media management and
 video and audio analysis.
 
 Autonomy's customer base is comprised of more than 25,000 global companies, law
 firms and federal agencies including: AOL, BAE Systems, BBC, Bloomberg, Boeing,
 Citigroup, Coca Cola, Daimler AG, Deutsche Bank, DLA Piper, Ericsson, FedEx,
 Ford, GlaxoSmithKline, Lloyds TSB, NASA, Nestle, the New York Stock Exchange,
 Reuters, Shell, Tesco, T-Mobile, the U.S. Department of Energy, the U.S.
 Department of Homeland Security and the U.S. Securities and Exchange Commission.
 More than 400 companies OEM Autonomy technology, including Symantec, Citrix, HP,
 Novell, Oracle, Sybase and TIBCO. The company has offices worldwide. Please visit
 autonomy.com to find out more.
 
 Autonomy and the Autonomy logo are registered trademarks or trademarks of
 Autonomy Corporation plc. All other trademarks are the property of their
 respective owners.
 Autonomy Editorial Contacts:
 Maria ChotrevaDavid Vindel
 Autonomy (UK)The Red Consultancy (UK)
 +44 207 104 5745+ 44 207 025 6529
 maria.chotreva@autonomy.comdavid.vindel@redconsultancy.com
 Edward BridgesLouise Kehoe
 Financial Dynamics (UK)Ogilvy PR (US)
 +44 207 831 3113+1 415 677 2739
 edward.bridges@fd.comlouise.kehoe@ogilvypr.com
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