Autonomy Wins the United Kingdom's Prestigious Queen's Awards for Enterprise for a Second Year in a Row

Recognized for Continuous Achievement in International Trade

CAMBRIDGE, England and SAN FRANCISCO, April 22, 2010 - Autonomy Corporation plc (LSE: AU. or AU.L), a global leader in
infrastructure software for the enterprise, today announced that it has been
awarded the highly coveted Queen's Awards for Enterprise, in the
International Trade category. The Queen's Awards for Enterprise are the most
prestigious UK business awards, celebrating the country's most successful
organizations. The Awards are made each year by The Queen, on the advice of
the Prime Minister, who is assisted by an Advisory Committee that includes
representatives from Government, industry and commerce, and trade unions.

Autonomy was chosen after a rigorous selection process, designed to
identify and reward businesses that demonstrate substantial growth in
overseas earnings and commercial success, to levels that are outstanding for
the goods or services concerned and for the size of their operations. This
highly-esteemed accolade further solidifies Autonomy's reputation as the UK's
leading software company.

"I am delighted that Autonomy has been awarded the Queen's Awards for
Enterprise: International Trade," said Dr Mike Lynch, Founder and CEO of
Autonomy. "This coveted accolade further validates Autonomy's market-leading
position and unique technological offering. I would like to thank the
Autonomy team for making our achievements at home and abroad possible. We
pride ourselves on our international operations and we are thrilled to see
our success recognized by such a prestigious entity."

Autonomy, Europe's second largest software firm, was founded by Dr Mike
Lynch OBE FREng in 1996 on a vision to dramatically change the way in which
people interact with information and computers, allowing computers to map to
the world of humans rather than the other way round. Autonomy's core
infrastructure software, the Intelligent Data Operating Layer (IDOL), forms
an understanding of all data in the enterprise, including human-friendly
formats such as Web pages, emails, voice and video. By processing over 1,000
data formats automatically, IDOL enables organizations to unlock the hidden
value of these traditionally untapped data assets.

Autonomy's IDOL technology is used by over 20,000 customers worldwide to
generate real business value, enabling organizations to maximize their data
assets whilst mitigating risks, ensuring compliance with the latest
regulations and avoiding hefty fines. In addition, Autonomy's diverse range
of solutions includes Pan-Enterprise Search, Regulatory and Legal Content
Management, End-to-End eDiscovery, Archiving and Records Management, Web
Solutions, Customer Interaction Solutions, eBusiness, Digital Asset
Management, Business Process Management and Video and Audio Analysis.

Please visit www.autonomy.com to find out more about Autonomy and
www.queensawards.org.uk to learn more about the Queen's Awards.

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, Daimler AG, Deutsche Bank, DLA
Piper, Ericsson, FedEx, Ford, GlaxoSmithKline, Lloyds TSB, NASA, Nestlé, 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:
    Assia Svinarova                      David Vindel
    Autonomy (UK)                        The Red Consultancy (UK)
    +44-1223-448000                      +44-207-025-6529
    assias@autonomy.com                  david.vindel@redconsultancy.com

    Edward Bridges                       Ian Bain
    Financial Dynamics (UK)              The Red Consultancy (US)
    +44-207-831-3113                     +1-415-618-8806
    edward.bridges@fd.com                ian.bain@redconsultancy.com

Assia Svinarova of Autonomy (UK), +44-1223-448000, assias at autonomy.com; or Edward Bridges of Financial Dynamics (UK), +44-207-831-3113, edward.bridges at fd.com; or David Vindel of The Red Consultancy (UK), + 44-207-025-6529, david.vindel at redconsultancy.com, or Ian Bain of The Red Consultancy (US), +1-415-618-8806, ian.bain at redconsultancy.com, all for Autonomy