Form 8.3 - Autonomy Corporation Plc

FORM 8.3
                        PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY
          A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE
                                      Rule 8.3 of the Takeover Code (the "Code")

1.         KEY INFORMATION

+-----------------------------------------+------------------------------------+
|(a) Identity of the person whose         |Skandinaviska Enskilda Banken AB    |
|positions/dealings are being disclosed:  |(publ)                              |
+-----------------------------------------+------------------------------------+
|(b) Owner or controller of interests and |                                    |
|short positions disclosed, if different  |                                    |
|from 1(a):                               |                                    |
|     The naming of nominee or vehicle    |                                    |
|companies is insufficient                |                                    |
+-----------------------------------------+------------------------------------+
|(c) Name of offeror/offeree in relation  |Autonomy Corporation Plc            |
|to whose relevant securities this form   |                                    |
|relates:                                 |                                    |
|     Use a separate form for each        |                                    |
|offeror/offeree                          |                                    |
+-----------------------------------------+------------------------------------+
|(d) If an exempt fund manager connected  |                                    |
|with an offeror/offeree, state this and  |                                    |
|specify identity of offeror/offeree:     |                                    |
+-----------------------------------------+------------------------------------+
|(e) Date position held/dealing           |21/09/2011                          |
|undertaken:                              |                                    |
+-----------------------------------------+------------------------------------+
|(f)  Has the discloser previously        |No                                  |
|disclosed, or are they today disclosing, |                                    |
|under the Code in respect of any other   |                                    |
|party to this offer?                     |                                    |
+-----------------------------------------+------------------------------------+

2.         POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)        Interests and short positions in the relevant securities of the
offeror or offeree to which the disclosure relates following the dealing (if
any)

+------------------------------------------------+-----------------------------+
|Class of relevant security:                     |       0.33p Ordinary        |
|                                                |                             |
+------------------------------------------------+--------------+--------------+
|                                                |  Interests   |    Short     |
|                                                |              |  positions   |
|                                                +---------+----+---------+----+
|                                                | Number  | %  | Number  | %  |
+------------------------------------------------+---------+----+---------+----+
|(1) Relevant securities owned and/or controlled:|5,489,942|2.24|         |    |
+------------------------------------------------+---------+----+---------+----+
|(2) Derivatives (other than options):           |         |    |5,462,510|2.23|
+------------------------------------------------+---------+----+---------+----+
|(3) Options and agreements to purchase/sell:    |         |    |         |    |
+------------------------------------------------+---------+----+---------+----+
|                                                |5,489,942|2.24|5,462,510|2.23|
|     TOTAL:                                     |         |    |         |    |
+------------------------------------------------+---------+----+---------+----+

All interests and all short positions should be disclosed.

Details of any open derivative or option positions, or agreements to purchase or
sell relevant securities, should be given on a Supplemental Form 8 (Open
Positions).

(b)        Rights to subscribe for new securities (including directors' and
other executive options)

+---------------------------------------------------------------------------+-+
|Class of relevant security in relation to which subscription right exists: | |
+---------------------------------------------------------------------------+-+
|Details, including nature of the rights concerned and relevant percentages:| |
+---------------------------------------------------------------------------+-+

If there are positions or rights to subscribe to disclose in more than one class
of relevant securities of the offeror or offeree named in 1(c), copy table 2(a)
or (b) (as appropriate) for each additional class of relevant security.

3.         DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

(a)        Purchases and sales

+--------------------------+-------------+--------------------+----------------+
|Class of relevant security|Purchase/sale|Number of securities|Price per unit()|
|                          |             |                    |                |
+--------------------------+-------------+--------------------+----------------+
|0.33p Ordinary            |Purchase     |225000              |25.3327         |
|0.33p Ordinary            |Purchase     |200000              |25.35533        |
|0.33p Ordinary            |Purchase     |400193              |25.27997        |
|0.33p Ordinary            |Purchase     |275000              |25.2979         |
|0.33p Ordinary            |Purchase     |250000              |25.29789        |
|0.33p Ordinary            |Purchase     |25000               |25.29789        |
|                          |             |                    |                |
+--------------------------+-------------+--------------------+----------------+

(b)        Derivatives transactions (other than options)

+------------+--------------+----------------------+---------------+-----------+
|  Class of  |   Product    |  Nature of dealing   |   Number of   | Price per |
|  relevant  | description  |e.g. opening/closing a|   reference   |   unit    |
|  security  |   e.g. CFD   | long/short position, | securities()  |           |
|            |              |increasing/reducing a |               |           |
|            |              |long/short position() |               |           |
+------------+--------------+----------------------+---------------+-----------+
|0.33p       |SWAP          |Increasing a short    |225000         |25.3327    |
|Ordinary    |SWAP          |position              |200000         |25.35533   |
|0.33p       |SWAP          |Increasing a short    |400193         |25.27997   |
|Ordinary    |SWAP          |position              |275000         |25.2979    |
|0.33p       |SWAP          |Increasing a short    |250000         |25.29789   |
|Ordinary    |SWAP          |position              |25000          |25.29789   |
|0.33p       |              |Increasing a short    |               |           |
|Ordinary    |              |position              |               |           |
|0.33p       |              |Increasing a short    |               |           |
|Ordinary    |              |position              |               |           |
|0.33p       |              |Increasing a short    |               |           |
|Ordinary    |              |position              |               |           |
|            |              |                      |               |           |
|            |              |                      |               |           |
|            |              |                      |               |           |
|            |              |                      |               |           |
+------------+--------------+----------------------+---------------+-----------+

(c)        Options transactions in respect of existing securities

(i)         Writing, selling, purchasing or varying

+--------+-----------+-----------+----------+--------+---------+------+--------+
|Class of|  Product  | Writing,  |Number of |Exercise|  Type   |Expiry| Option |
|relevant|description|purchasing,|securities| price  |  e.g.   | date | money  |
|security| e.g. call | selling,  | to which |per unit|American,|      | paid/  |
|        |  option   |  varying  |  option  |        |European |      |received|
|        |           |   etc.    |relates() |        |  etc.   |      |per unit|
+--------+-----------+-----------+----------+--------+---------+------+--------+
|        |           |           |          |        |         |      |        |
+--------+-----------+-----------+----------+--------+---------+------+--------+

(ii)        Exercising

+------------------+-------------------+--------------------+------------------+
|Class of relevant |Product description|Number of securities|Exercise price per|
|     security     | e.g. call option  |                    |       unit       |
+------------------+-------------------+--------------------+------------------+
|                  |                   |                    |                  |
|                  |                   |                    |                  |
+------------------+-------------------+--------------------+------------------+

(d)        Other dealings (including subscribing for new securities)

+--------------------+-------------------------+-------+-----------------------+
| Class of relevant  |    Nature of dealing    |Details|  Price per unit (if   |
|      security      |   e.g. subscription,    |       |      applicable)      |
|                    |      conversion()       |       |                       |
+--------------------+-------------------------+-------+-----------------------+
|                    |                         |       |                       |
|                    |                         |       |                       |
+--------------------+-------------------------+-------+-----------------------+

The currency of all prices and other monetary amounts should be stated.

Where there have been dealings in more than one class of relevant securities of
the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as
appropriate) for each additional class of relevant security dealt in.

4.         OTHER INFORMATION

(a)        Indemnity and other dealing arrangements

+------------------------------------------------------------------------------+
|Details of any indemnity or option arrangement, or any agreement or           |
|understanding, formal or informal, relating to relevant securities which may  |
|be an inducement to deal or refrain from dealing entered into by the person   |
|making the disclosure and any party to the offer or any person acting in      |
|concert with a party to the offer:                                            |
|If there are no such agreements, arrangements or understandings, state "none" |
+------------------------------------------------------------------------------+
|                                                                              |
|None                                                                          |
|                                                                              |
+------------------------------------------------------------------------------+

(b)        Agreements, arrangements or understandings relating to options or
derivatives

+------------------------------------------------------------------------------+
|Details of any agreement, arrangement or understanding, formal or informal,   |
|between the person making the disclosure and any other person relating to:    |
|(i)  the voting rights of any relevant securities under any option; or        |
|(ii) the voting rights or future acquisition or disposal of any relevant      |
|securities to which any derivative is referenced:                             |
|If there are no such agreements, arrangements or understandings, state "none" |
+------------------------------------------------------------------------------+
|                                                                              |
|None                                                                          |
|                                                                              |
|                                                                              |
+------------------------------------------------------------------------------+

(c)        Attachments

+-----------------------------------------------------+----+
| Is a Supplemental Form 8 (Open Positions) attached? | NO |
+-----------------------------------------------------+----+


+---------------------+------------------+
| Date of disclosure: | 22/9/2011        |
+---------------------+------------------+
| Contact name:       | Harpreet Dhami   |
+---------------------+------------------+
| Telephone number:   | [phone] |
+---------------------+------------------+

Public disclosures under Rule 8 of the Code must be made to a Regulatory
Information Service and must also be emailed to the Takeover Panel at
[e-mail].  The Panel's Market Surveillance Unit is available
for consultation in relation to the Code's dealing disclosure requirements on
[phone].

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.






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Source: Skandinaviska Enskilda Banken AB via Thomson Reuters ONE

[HUG#1548980]