Teleste Corporation
Stock exchange release
October 3, 2023, at 13:00 EEST

TELESTE CORPORATION: FLAGGING NOTIFICATION IN ACCORDANCE WITH CHAPTER 9, SECTION 10 OF THE SECURITIES MARKETS ACT
Teleste Corporation has received a notification from Sampo plc on 1 October, 2023, in accordance with the Finnish Securities Markets Act Chapter 9, Section 5. According to the notification, the legal person exercising ultimate control over the shares subject to the flagging obligation held by Mandatum Life Insurance Company Limited has changed from Sampo plc to Mandatum plc in connection with the partial demerger of Sampo plc on 1 October 2023.
According to the notification, Sampo plc owned a total of 0 shares in Teleste Corporation on 1 October 2023.

Total position of person subject to the notification obligation:

% share % of shares Total of Total number of shares
s and and voting both in % and voting rights of
voting rights issuer
rights through
financial
instruments
Resulting situation 0 0 0 18 985 588
of the date on
which the threshold
was crossed or
reached
Positions of 5,85 % 0 5,85 %
previous
notification (if
applicable)

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

A: Shares
and voting
rights
Class/type Number of % of shares and voting rights
of shares shares and
ISIN code voting rights
Direct (SMA Indirect (SMA Direct (SMA 9:5) Indirect (SMA 9:6 and 9:7)
9:5) 9:6 and 9:7)
FI0009007728 0 0 0 0
Subtotal 0 0

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.
TELESTE CORPORATION
Esa Harju
CEO

Additional information:
Esa Harju
CEO, Teleste Corporation
Tel. +358 2 2605 611
esa.harju@teleste.com

About Teleste
Teleste offers an integrated product and service portfolio that makes it possible to build and run a better networked society. Our solutions bring television and broadband services to you, secure your safety in public places and guide your use of public transport. With solid industry experience and drive for innovations, we are a leading international company in broadband, security and information technologies and related services. We connect with our customers through a global network of offices and partners. In 2022, Teleste's net sales reached EUR 165 million and it had approximately 860 employees. Teleste is listed on Nasdaq Helsinki. For more information, visit www.teleste.com.