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05.06.2026 12:05:33

EQS-PVR: 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

A

21.34 CHF 0.49%

EQS Voting Rights Announcement: 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

05.06.2026 / 12:05 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: JPMorgan Chase & Co.
City of registered office, country: Wilmington, Delaware, United States of America (USA)

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:

02 Jun 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	2.66 %	0.00 %	2.66 %	52054500
Previous notification	3.17 %	0.00 %	3.17 %	/

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)
DE0005103006	0	1384985	0.00 %	2.66 %
Total	1384985		2.66 %

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)
JPMorgan Chase & Co.	%	%	%
JPMorgan Chase Bank, National Association	%	%	%
J.P. Morgan International Finance Limited	%	%	%
J.P. Morgan Capital Holdings Limited	%	%	%
J.P. Morgan Securities plc	%	%	%
-	%	%	%
JPMorgan Chase & Co.	%	%	%
JPMorgan Chase Holdings LLC	%	%	%
J.P. Morgan Broker-Dealer Holdings Inc.	%	%	%
J.P. Morgan Securities LLC	%	%	%

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

04 Jun 2026

05.06.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
View original content: EQS News

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


End of News	EQS News Service

2340668 05.06.2026 CET/CEST

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