STONESOFT CORPORATION: NOTIFICATION PURSUANT TO CHAPTER 9, SECTION 10 OF THE FINNISH SECURITIES MARKET ACT

Stonesoft Corporation Stock Exchange Release 6 May 2013 at 7.00 pm

STONESOFT CORPORATION: NOTIFICATION PURSUANT TO CHAPTER 9, SECTION 10 OF THE
FINNISH SECURITIES MARKET ACT

Stonesoft Corporation has received the following notification on 6 May 2013:

NOTIFICATION OF A CHANGE IN SHAREHOLDING PURSUANT TO CHAPTER 9, SECTION 5 OF THE
FINNISH SECURITIES MARKET ACT

1. Issuer of the shares

Stonesoft Corporation, business identity code 0837548-0.

2. Full name of persons subject to the notification obligation

Intel Corporation (Delaware Secretary of State File No. 2189074)
McAfee Suomi Funding LLC (Delaware Secretary of State File No. 5328874)

3. Chain of controlled undertakings through which the voting rights are
effectively held or the party subject to the notification obligation to disclose
major holdings is party to an agreement or other arrangement

McAfee, Inc. ("McAfee") and Stonesoft Oyj ("Stonesoft") have on 5 May 2013
entered into a Combination Agreement under which they have agreed to combine the
operations of McAfee and Stonesoft. In order to effect the combination, McAfee
Suomi Funding LLC ("Offeror") will make a voluntary public tender offer to
purchase all of the issued and outstanding shares and option rights in Stonesoft
that are not owned by Stonesoft or any of its subsidiaries.  The Offeror is a
wholly-owned indirect subsidiary of Intel Corporation and an affiliate of
McAfee.

4. Reason for the notification

Intel Corporation has today, on 6 May 2013, announced that the Offeror will make
a voluntary public tender offer ("Tender Offer") to purchase all of the issued
and outstanding shares and option rights in Stonesoft that are not owned by
Stonesoft or any of its subsidiaries.

The three largest shareholders of Stonesoft, Mr. Ilkka Hiidenheimo (10,417,400
shares in Stonesoft), Mr. Hannu Turunen (7,150,000 shares) and Mr.  Timo Syrjälä
(4,644,967 shares together with companies under his control), together owning
22,212,367 shares corresponding to 34.66 % of all the shares and voting rights
in Stonesoft, have irrevocably and unconditionally undertaken to accept the
Tender Offer.

The acceptance period under the Tender Offer is expected to commence on or about
21 May 2013 and to run for approximately three (3) weeks. The Offeror reserves
the right to extend the offer period from time to time in accordance with the
terms and conditions of the Tender Offer.

The completion of the Tender Offer will be subject to the satisfaction or waiver
by the Offeror of certain conditions to completion, as specified in the press
release by Intel Corporation published on 6 May 2013. Should the Tender Offer be
completed, the Offeror's holding in Stonesoft, based on the irrevocable
undertakings given by the above three shareholders, will upon the settlement of
the Tender Offer exceed 3/10 of the shares and voting rights in Stonesoft.

5. Offeror's existing shareholding and voting rights

+----------------+--------------------+--------------------+-------------------+
|Number of shares|% of total number of|Number of voting    |% of total number  |
|                |shares              |rights              |of voting rights   |
+----------------+--------------------+--------------------+-------------------+
|0               |0 %                 |0                   |0 %                |
+----------------+--------------------+--------------------+-------------------+

6. Offeror's total shareholding if the Tender Offer shall be completed

+----------------+------------------+-----------------------+------------------+
|Number of shares|%  of total number|Number of voting rights|%  of total number|
|                |of shares         |                       |of voting rights  |
+----------------+------------------+-----------------------+------------------+
|22,212,367      |34.66%            |022,212,367            |34.66%            |
+----------------+------------------+-----------------------+------------------+

The percentages have been calculated in proportion to the total number of shares
registered  at the Trade Register  on 6 May 2013 and the  total number of voting
rights related to them, i.e. 64,090,482 shares and voting rights.

Helsinki, 6 May 2013

Stonesoft Corporation
Ilkka Hiidenheimo
President & CEO

For further information, please contact:
Mikael Nyberg, CFO, Stonesoft Corporation
Tel. +358 9 476 711
E-mail: mikael.nyberg@stonesoft.com

Distribution:
NASDAQ OMX Helsinki Ltd
www.stonesoft.com


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