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ADTRAN Holdings, Inc.

Declaration of Voting Results & Voting Rights Announcements Sep 22, 2025

6211_rns_2025-09-22_9e1de6ae-81d6-4c8b-b7b2-3d5d7def66e3.html

Declaration of Voting Results & Voting Rights Announcements

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News Details

Voting rights Announcements | 22 September 2025 17:13

Morgan Stanley, Wilmington, Delaware, United States of America (USA)

Adtran Holdings, Inc.

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

22.09.2025 / 17:13 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 Holdings, Inc.
Street: 901 Explorer Boulevard
Postal code: 35806
City: Huntsville

United States
Legal Entity Identifier (LEI): 549300VV36J86CRRWF77

2. Reason for notification

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

3. Details of person subject to the notification obligationLegal entity: Morgan Stanley

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:16 Sep 2025

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 2.33 % 2.92 % 5.25 % 80071325
Previous notification 2.9 % 0.83 % 3.72 % /

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)
US00486H1059 0 1866669 0 % 2.33 %
Total 1866669 2.33 %

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 %
Right of recall over securities lending agreements at any time at any time 2340449 2.92 %
Total 2340449 2.92 %

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 %
Total 0 0 %

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)
Morgan Stanley % % %
Morgan Stanley Capital Management, LLC % % %
Morgan Stanley Domestic Holdings, LLC % % %
Morgan Stanley Capital Services LLC % % %
% % %
Morgan Stanley % % %
Morgan Stanley Capital Management, LLC % % %
Morgan Stanley & Co. LLC % % %
% % %
Morgan Stanley % % %
Morgan Stanley International Holdings Inc. % % %
Morgan Stanley International Limited % % %
Morgan Stanley Investments (UK) % % %
Morgan Stanley & Co. International plc % % %
% % %
Morgan Stanley % % %
Morgan Stanley Capital Management, LLC % % %
Morgan Stanley & Co. LLC % % %
Prime Dealer Services Corp. % % %
% % %
Morgan Stanley % % %
Morgan Stanley Capital Management, LLC % % %
Morgan Stanley Bank, N.A. % % %
% % %
Morgan Stanley % % %
Morgan Stanley Capital Management, LLC % % %
Morgan Stanley Smith Barney 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

22 Sep 2025


22.09.2025 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

Archive at www.eqs-news.com


Language: English
Company: Adtran Holdings, Inc.
901 Explorer Boulevard
35806 Huntsville
United States
Internet: www.adtran.com
End of News EQS News Service

2201720  22.09.2025 CET/CEST

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