Autonomy Completes Acquisition of ZANTAZ, Inc.

July 24, 2007

CAMBRIDGE, England, July 24 /PRNewswire-FirstCall/ -- Autonomy Corporation plc (LSE: AU. or AU.L), a global leader in infrastructure software, today announced that it has completed the acquisition of ZANTAZ, Inc., a global leader in content archiving and electronic discovery solutions.

Dr. Michael Lynch , group CEO of Autonomy said: "We are very pleased to announce the completion of the acquisition of ZANTAZ. With this acquisition we'll expand the addressable market, distribution and reach for Autonomy's highly successful Aungate IDOL-based products further into rapidly growing markets driven by recent regulatory changes. Throughout this whole process we have been greatly impressed by ZANTAZ' products and will be continuing to develop and support the whole range." Dr. Lynch concluded: "With the addition of ZANTAZ to the Autonomy group, we expect to redefine information risk management by proactively automating the full spectrum of consolidated archiving, e-discovery, analytics and real-time policy management uniquely in one system. With the value, issues and risks associated with unstructured information squarely on the enterprise agenda, as the only vendor capable of automating operations across all forms of unstructured information Autonomy remains uniquely positioned in the market."

On 3 July 2007 , Autonomy and ZANTAZ announced that they had entered into a definitive merger agreement for Autonomy to acquire ZANTAZ for a purchase price of approximately $375 million in cash after certain deductions.

About Autonomy

Autonomy Corporation plc (LSE: AU. or AU.L) is a global leader in infrastructure software for the enterprise and is spearheading the meaning-based computing movement. Autonomy's technology forms a conceptual and contextual understanding of any piece of electronic data including unstructured information, be it text, email, voice or video. Autonomy's software powers the full spectrum of mission-critical enterprise applications including information access technology, BI, CRM, KM, call center solutions, rich media management, compliance and litigation solutions and security applications, and is recognized by industry analysts as the clear leader in enterprise search.

Autonomy's customer base comprises more than 16,000 global companies and organizations including: 3, ABN AMRO, AOL, BAE Systems, BBC, Bloomberg, Boeing, Citigroup, Coca Cola, Daimler Chrysler, Deutsche Bank, Ericsson, Ford, GlaxoSmithKline, Kraft Foods, Lloyd TSB, NASA, Nestle, the New York Stock Exchange, Reuters, Shell, T-Mobile, the U.S. Department of Energy, the U.S. Department of Homeland Security and the U.S. Securities and Exchange Commission. Autonomy also has over 300 OEM partners and more than 350 VARs and Integrators, numbering among them leading companies such as BEA, Business Objects, Citrix, EDS, IBM Global Services, Novell, Stellent, Sybase, Symantec, TIBCO and Vignette. The company has offices worldwide.

The Autonomy Group includes: Aungate, specialist in real-time enterprise governance; Virage, a visionary in rich media management and security and surveillance technology; etalk, award-winning provider of enterprise-class contact center products and Cardiff , a leader in content capture and business process management solutions.

About ZANTAZ

ZANTAZ is a global leader in content archiving, electronic discovery solutions and software as a service. ZANTAZ solutions enable organizations to capture, classify, preserve and discover unstructured digital information-including email, IM, files, scanned documents, and other electronic records-and review and produce relevant documents in a manner that reduces operational risks and costs while complying with legal, regulatory and corporate policy requirements. ZANTAZ solutions are available as on-site software applications or on-demand software services, or a combination of both and include a broad set of professional services and integration support. ZANTAZ customers include 9 of the 10 top global law firms, 11 of the Fortune 25 and 14 of the top 20 Financial Securities firms. For more information, visit www.ZANTAZ.com or call +1-800-636-0095.

Enquiries: Autonomy Financial Media Contacts: Edward Bridges/Haya Chelhot Financial Dynamics +44-207-831-3113 ZANTAZ Contacts: Rebecca Mettler +1-650-480-4020 [email protected] Autonomy Analyst and Investor Contacts: Sushovan Hussain, Chief Financial Officer Autonomy Corporation plc +44-1223-448-000 Autonomy Contacts: Ali Merifield Bite Communications +44-208-834-3441 +44-208-741-1123 [email protected] [email protected] +1-212-857-9376

SOURCE Autonomy Corporation plc

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