Bittium Oyj — Major Shareholding Notification 2021

Sep 29, 2021

Bittium Corporation: Announcement pursuant to chapter 9, section 10 of the Finnish Securities Markets Act

Bittium Corporation: Announcement pursuant to chapter 9, section 10 of the Finnish Securities Markets Act

Stock Exchange Release

Free for publication on September 29, 2021 at 4.15 p.m. (CEST+1)

Bittium Corporation: Announcement pursuant to chapter 9, section 10 of the
Finnish Securities Markets Act

On September 29, 2021, Bittium Corporation has received a notification under
Chapter 9, Section 5 of the Finnish Securities Market Act (FSMA), according to
which Jbit Oy, a company 100% owned by Juha Hulkko has acquired 159,000 shares
in Bittium Corporation. In connection with the completion of the share purchase,
Juha Hulkko's aggregate amount of direct and indirect holdings in Bittium
Corporation's shares and votes exceeded the five percent limit on 28.9.2021.

According to the notification, the aggregate holdings of Juha Hulkko in Bittium
Corporation on September 28, 2021 amounted to a total of 1,783,450 shares,
corresponding to 5.00 percent of the total number of shares and voting rights of
Bittium Corporation.  The share stock of Bittium Corporation consists of
35,702,264 shares, each entitling one vote.

Juha Hulkko's total share of Bittium Corporation's shares and votes according to
the announcement:

              % of  % of shares  Total %  Total number of shares
            shares   and voting       of    and voting rights of
               and       rights   shares                  issuer
            voting      through      and
            rights    financial   voting
               (A)  instruments   rights
                            (B)    (A+B)

Proportion 5.00 % - 5.00 % 35,702,264
after reaching
of
exceeding the
flagging
threshold
Positions at below - below 35,573,367
previous 5.00 % 5.00 %
notification

Notified detail of resulting situation on the date on which the threshold was
crossed or reached:

A: Shares and voting rights

                     Number of   % of shares and voting rights
                        shares
                           and
                        voting
                        rights

Share class Direct Indirect Direct Indirect
/ type
(FSMA (FSMA 9:6 (FSMA 9:5) (FSMA 9:6 and 9:7)
9:5) and 9:7)
FI0009007264 1,419,370 Jbit Oy + 3.98% 1.02%
Jtel Oy
364,080
Subtotal A 1,783,450 5.00%

Notification information on the person required to flag:

Full chain
of
controlled
undertakings
through
which the
voting
rights
and/or the
financial
instruments
are
effectively
held
starting
with the
ultimate
controlling
natural
person or
legal
entity:
Name % of % of shares and voting rights Total of shares, voting
shares through financial instruments rights, and financial
and instruments
voting
rights
Juha Hulkko 3.98% - 1,419,370

Jtel Oy 0.57% - 205,080
Jbit Oy 0.45% - 159,000

The total number of shares in Bittium Corporation is 35,702,264. The shares of
Bittium Corporation are listed on the NASDAQ Helsinki Ltd. The Corporation has
one series of shares. Each share has one vote.

Oulu, September 29, 2021
Hannu Huttunen
CEO

Further information:

Kari Jokela
Chief Legal Officer
Tel. +358 40 344 5258

Distribution

Nasdaq Helsinki Oy
Main media

Bittium

Bittium specializes in the development of reliable, secure communications and
connectivity solutions leveraging its over 35-year legacy of expertise in
advanced radio communication technologies. Bittium provides innovative products
and services, customized solutions based on its product platforms and R&D
services. Complementing its communications and connectivity solutions, Bittium
offers proven information security solutions for mobile devices and portable
computers. Bittium also provides healthcare technology products and services for
biosignal measuring in the areas of cardiology, neurology, rehabilitation,
occupational health and sports medicine. Net sales in 2020 were EUR 78.4 million
and operating profit was EUR 2.1 million. Bittium is listed on Nasdaq Helsinki.
www.bittium.com

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