Autonomy Ranked the top Software Vendor for Customer Support in Prestigious Survey

CAMBRIDGE, England and SAN FRANCISCO, February 24, 2011 - Autonomy Corporation plc (LSE: AU. or AU.L), a global leader in
infrastructure software for the enterprise, today announced that it has been
ranked the top software vendor for customer support in the annual survey
jointly conducted by the International Legal Technology Association (ILTA)
and InsideLegal magazine. Autonomy received more "unsolicited mentions for
providing exceptional customer support" than any other software vendor.

Autonomy offers industry-leading support to all of its customers, and
delivers a full spectrum of installation support and professional services to
meet each customer's unique business requirements. In addition, Autonomy has
established a highly acclaimed Customer Liaison and Support Program (CLSP),
designed to achieve an objective understanding of a customer's perceptions
regarding the software and the service they receive. Customer feedback from
this program is routed back to Autonomy Research & Development, professional
services, as well as the company's senior management team.

"Autonomy is committed to continue providing the industry's most
comprehensive technology offerings and the best customer service to enable
our customers to improve their productivity, responsiveness and client
satisfaction. This coveted accolade speaks to the value that Autonomy places
on customer relationships and support across all of our markets," said Mike
Lynch, CEO of Autonomy. "This represents further proof of the strength and
quality of our customer support team that serve our more than 20,000
customers worldwide."

Please visit www.autonomy.com for more information.

About Autonomy

Autonomy Corporation plc (LSE: AU. or AU.L), 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 20,000 global
companies, law firms and federal agencies including: AOL, BAE Systems, BBC,
Bloomberg, Boeing, Citigroup, Coca Cola, Deutsche Bank, DLA Piper, Ericsson,
FedEx, Ford, GlaxoSmithKline, Lloyds Banking Group, 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 www.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:
    Winifred Shum                 Louise Kehoe
    Autonomy (US)                 Ogilvy PR (US)
    +1-408-771-6668               +1-415-677-2739
    wshum@autonomy.com            louise.kehoe@ogilvypr.com

    Edward Bridges                David Vindel
    Financial Dynamics (UK)       The Red Consultancy (UK)
    +44-207-831-3113              +44-207-025-6529
    edward.bridges@fd.com         david.vindel@redconsultancy.com

Winifred Shum of Autonomy (US), +1-408-771-6668, wshum at autonomy.com; or Edward Bridges of Financial Dynamics (UK), +44-207-831-3113, edward.bridges at fd.com; or Louise Kehoe of Ogilvy PR (US), +1-415-677-2739, louise.kehoe at ogilvypr.com; or David Vindel of The Red Consultancy (UK), +44-207-025-6529, david.vindel at redconsultancy.com, all for Autonomy Corporation plc