AUTONOMY CORPORATION PLC

ACQUISITION OF MICROLINK LLC

CAMBRIDGE, ENGLAND - 9 February 2010 - Autonomy Corporation plc (LSE: AU. or AU.L), a global leader in infrastructure software for the enterprise, today announced the strategic acquisition of MicroLink, LLC, a leading Autonomy reseller targeting U.S. state and federal government accounts.  The acquisition was for a purchase price of $55 million in cash, after disposal of a portion of the MicroLink business prior to the transaction, and is based on a zero net working capital position. 

The transaction is intended to accelerate the adoption of Autonomy technology in this important and growing area of US government expenditure, allowing Autonomy to take a larger part in these contracts.

Based on current run rate of the business, the transaction is not expected to have a material impact on 2010 prospects or results, neither on revenue nor profits, nor (save for the payment of the cash consideration) on cash or cash flows of the group.

About Autonomy Corporation plc

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.