Adtran Networks SE: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution


Igår, 22:03

Adtran Networks SE
Adtran Networks SE: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

23.10.2026 / 22:03 CET/CEST
Dissemination of a Voting Rights Announcement transmitted by EQS News - a service of EQS Group.
The issuer is solely responsible for the content of this announcement.

Notification of Major Holdings
1. Details of issuer

Name:
Adtran Networks SE
Street:
Märzenquelle 1-3
Postal code:
98617
City:
Meiningen-Dreissigacker
Germany
Legal Entity Identifier (LEI):
5299001QZNN0TKI9J120


2. Reason for notification

X
Acquisition/disposal of shares with voting rights
Acquisition/disposal of instruments
Change of breakdown of voting rights
Other reason:


3. Details of person subject to the notification obligation

Legal entity: Samson Rock Event Driven Fund Limited
City of registered office, country: Grand Cayman, Cayman Islands


4. Names of shareholder(s)
holding directly 3% or more voting rights, if different from 3.


5. Date on which threshold was crossed or reached:

20 Oct 2026


6. Total positions

% of voting rights attached to shares
(total of 7.a.)
% of voting rights through instruments
(total of 7.b.1 + 7.b.2)
Total of both in %
(7.a. + 7.b.)
Total number of voting rights pursuant to Sec. 41 WpHG
New
2.80 %
0.00 %
2.80 %
52054500
Previous notification
4.56 %
0.43 %
4.99 %
/


7. Details on total positions
a. Voting rights attached to shares (Sec. 33, 34 WpHG)

ISIN
Absolute
In %
Direct
(Sec. 33 WpHG)
Indirect
(Sec. 34 WpHG)
Direct
(Sec. 33 WpHG)
Indirect
(Sec. 34 WpHG)
0
1458335
0.00 %
2.80 %
Total
1458335
2.80 %


b.1. Instruments according to Sec. 38 (1) no. 1 WpHG

Type of instrument
Expiration or maturity date
Exercise or conversion period
Voting rights absolute
Voting rights in %
0
0.00 %
Total
0
0.00 %


b.2. Instruments according to Sec. 38 (1) no. 2 WpHG

Type of instrument
Expiration or maturity date
Exercise or conversion period
Cash or physical settlement
Voting rights absolute
Voting rights in %
0
0.00 %
Total
0
0.00 %


8. Information in relation to the person subject to the notification obligation

Person subject to the notification obligation is not controlled nor does it control any other undertaking(s) that directly or indirectly hold(s) an interest in the (underlying) issuer (1.).
X
Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity:


Name
% of voting rights (if at least 3% or more)
% of voting rights through instruments (if at least 5% or more)
Total of both (if at least 5% or more)
Samson Rock Event Driven Fund Limited
%
%
%
Samson Rock Event Driven Master Fund Limited
%
%
%


9. In case of proxy voting according to Sec. 34 para. 3 WpHG
(only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG)
Date of general meeting:
Holding total positions after general meeting (6.) after annual general meeting:

Proportion of voting rights
Proportion of instruments
Total of both
%
%
%


10. Other explanatory remarks:


Date

23 Oct 2026

23.10.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

Name:
Adtran Networks SE
Street:
Märzenquelle 1-3
Postal code:
98617
City:
Meiningen-Dreissigacker
Germany
Legal Entity Identifier (LEI):
5299001QZNN0TKI9J120
X
Acquisition/disposal of shares with voting rights
Acquisition/disposal of instruments
Change of breakdown of voting rights
Other reason:
Legal entity: Samson Rock Event Driven Fund Limited
City of registered office, country: Grand Cayman, Cayman Islands
20 Oct 2026
% of voting rights attached to shares
(total of 7.a.)
% of voting rights through instruments
(total of 7.b.1 + 7.b.2)
Total of both in %
(7.a. + 7.b.)
Total number of voting rights pursuant to Sec. 41 WpHG
New
2.80 %
0.00 %
2.80 %
52054500
Previous notification
4.56 %
0.43 %
4.99 %
/
ISIN
Absolute
In %
Direct
(Sec. 33 WpHG)
Indirect
(Sec. 34 WpHG)
Direct
(Sec. 33 WpHG)
Indirect
(Sec. 34 WpHG)
0
1458335
0.00 %
2.80 %
Total
1458335
2.80 %
Type of instrument
Expiration or maturity date
Exercise or conversion period
Voting rights absolute
Voting rights in %
0
0.00 %
Total
0
0.00 %
Type of instrument
Expiration or maturity date
Exercise or conversion period
Cash or physical settlement
Voting rights absolute
Voting rights in %
0
0.00 %
Total
0
0.00 %
Person subject to the notification obligation is not controlled nor does it control any other undertaking(s) that directly or indirectly hold(s) an interest in the (underlying) issuer (1.).
X
Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity:
Name
% of voting rights (if at least 3% or more)
% of voting rights through instruments (if at least 5% or more)
Total of both (if at least 5% or more)
Samson Rock Event Driven Fund Limited
%
%
%
Samson Rock Event Driven Master Fund Limited
%
%
%
Proportion of voting rights
Proportion of instruments
Total of both
%
%
%
23 Oct 2026

Language:
English
Company:
Adtran Networks SE
Märzenquelle 1-3
98617 Meiningen-Dreissigacker
Germany
Internet:
www.adva.com, www.adtran.com
LEI Code:
5299001QZNN0TKI9J120

End of News
EQS News Service

2421600  23.10.2026 CET/CEST

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