| EQS Voting Rights Announcement: Adtran Holdings, Inc. 
 
 03.03.2025 / 21:37 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 2. Reason for notification| Name: | Adtran Holdings, Inc. |  | Street: | 901 Explorer Boulevard |  | Postal code: | 35806 |  | City: | Huntsville United States
 |  | Legal Entity Identifier (LEI): | 549300VV36J86CRRWF77 | 
 3. Details of person subject to the notification obligation| X | Acquisition/disposal of shares with voting rights |  |  | Acquisition/disposal of instruments |  |  | Change of breakdown of voting rights |  |  | Other reason: 
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 4. Names of shareholder(s)| Legal entity: BlackRock, Inc. City of registered office, country: Wilmington, Delaware, United States of America (USA)
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  holding directly 3% or more voting rights, if different from 3.5. Date on which threshold was crossed or reached: 6. Total positions 7. Details on total positions a. Voting rights attached to shares (Sec. 33, 34 WpHG)|  | % 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 | 8.96 % | 0.97 % | 9.92 % | 79653682 |  | Previous notification | 9.40 % | 0.96 % | 10.37 % | / | 
 b.1. Instruments according to Sec. 38 (1) no. 1 WpHG| ISIN | Absolute | In % |  |  | Direct (Sec. 33 WpHG)
 | Indirect (Sec. 34 WpHG)
 | Direct (Sec. 33 WpHG)
 | Indirect (Sec. 34 WpHG)
 |  | US00486H1059 | 0 | 7133728 | 0 % | 8.96 % |  | Total | 7133728 | 8.96 % | 
 b.2. Instruments according to Sec. 38 (1) no. 2 WpHG| Type of instrument | Expiration or maturity date | Exercise or conversion period | Voting rights absolute | Voting rights in % |  | Lent Securities (right to recall) | N/A | N/A | 32316 | 0.04 % |  |  |  | Total | 32316 | 0.04 % | 
 8. Information in relation to the person subject to the notification obligation| Type of instrument | Expiration or maturity date | Exercise or conversion period | Cash or physical settlement | Voting rights absolute | Voting rights in % |  | Contract for Difference | N/A | N/A | Cash | 737599 | 0.93 % |  |  |  |  | Total | 737599 | 0.93 % | 
 |  | 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: | 
 9. In case of proxy voting according to Sec. 34 para. 3 WpHG| 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) |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | Trident Merger LLC | % | % | % |  | BlackRock Investment Management, LLC | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock Capital Holdings, Inc. | % | % | % |  | BlackRock Advisors, LLC | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | Trident Merger LLC | % | % | % |  | BlackRock Investment Management, LLC | % | % | % |  | Amethyst Intermediate LLC | % | % | % |  | Aperio Holdings LLC | % | % | % |  | Aperio Group, LLC | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock Capital Holdings, Inc. | % | % | % |  | BlackRock Advisors, LLC | % | % | % |  | BlackRock Capital Management, Inc. | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BlackRock Canada Holdings ULC | % | % | % |  | BlackRock Asset Management Canada Limited | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock Holdco 4, LLC | % | % | % |  | BlackRock Holdco 6, LLC | % | % | % |  | BlackRock Delaware Holdings Inc. | % | % | % |  | BlackRock Fund Advisors | 4.15 % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock Holdco 4, LLC | % | % | % |  | BlackRock Holdco 6, LLC | % | % | % |  | BlackRock Delaware Holdings Inc. | % | % | % |  | BlackRock Institutional Trust Company, National Association | 3.17 % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BR Jersey International Holdings L.P. | % | % | % |  | BlackRock Australia Holdco Pty. Ltd. | % | % | % |  | BlackRock Investment Management (Australia) Limited | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BR Jersey International Holdings L.P. | % | % | % |  | BlackRock (Singapore) Holdco Pte. Ltd. | % | % | % |  | BlackRock HK Holdco Limited | % | % | % |  | BlackRock Asset Management North Asia Limited | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BR Jersey International Holdings L.P. | % | % | % |  | BlackRock (Singapore) Holdco Pte. Ltd. | % | % | % |  | BlackRock HK Holdco Limited | % | % | % |  | BlackRock Lux Finco S. a r.l. | % | % | % |  | BlackRock Japan Holdings GK | % | % | % |  | BlackRock Japan Co., Ltd. | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BR Jersey International Holdings L.P. | % | % | % |  | BlackRock Holdco 3, LLC | % | % | % |  | BlackRock Cayman 1 LP | % | % | % |  | BlackRock Cayman West Bay Finco Limited | % | % | % |  | BlackRock Cayman West Bay IV Limited | % | % | % |  | BlackRock Group Limited | % | % | % |  | BlackRock International Limited | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BR Jersey International Holdings L.P. | % | % | % |  | BlackRock Holdco 3, LLC | % | % | % |  | BlackRock Cayman 1 LP | % | % | % |  | BlackRock Cayman West Bay Finco Limited | % | % | % |  | BlackRock Cayman West Bay IV Limited | % | % | % |  | BlackRock Group Limited | % | % | % |  | BlackRock Finance Europe Limited | % | % | % |  | BlackRock Advisors (UK) Limited | % | % | % |  | - | % | % | % |  | BlackRock, Inc. | % | % | % |  | BlackRock Finance, Inc. | % | % | % |  | BlackRock Holdco 2, Inc. | % | % | % |  | BlackRock Financial Management, Inc. | % | % | % |  | BlackRock International Holdings, Inc. | % | % | % |  | BR Jersey International Holdings L.P. | % | % | % |  | BlackRock Holdco 3, LLC | % | % | % |  | BlackRock Cayman 1 LP | % | % | % |  | BlackRock Cayman West Bay Finco Limited | % | % | % |  | BlackRock Cayman West Bay IV Limited | % | % | % |  | BlackRock Group Limited | % | % | % |  | BlackRock Finance Europe Limited | % | % | % |  | BlackRock Investment Management (UK) Limited | % | % | % |  | - | % | % | % | 
  (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: 10. Other explanatory remarks:| Proportion of voting rights | Proportion of instruments | Total of both |  | % | % | % | 
  Date 
 03.03.2025 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
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