EQS-DD: Adtran Holdings, Inc.: Ulrich Dopfer, Acquisition of 1,280 shares in
ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 2,233 Restricted
Stock Units (granted May 24, 2023) ...

Notification and public disclosure of transactions by persons discharging
managerial responsibilities and persons closely associated with them

31.05.2024 / 18:56 CET/CEST
The issuer is solely responsible for the content of this announcement.

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1. Details of the person discharging managerial responsibilities / person
closely associated

a) Name

     Title:
     First name:      Ulrich
     Last name(s):    Dopfer

2. Reason for the notification

a) Position / status

Position: Chief Financial Officer

b) Initial notification

3. Details of the issuer, emission allowance market participant, auction
platform, auctioneer or auction monitor

a) Name

Adtran Holdings, Inc.

b) LEI

549300VV36J86CRRWF77

4. Details of the transaction(s)

a) Description of the financial instrument, type of instrument,
identification code

     Type:    Share
     ISIN:    US00486H1059

b) Nature of the transaction

   Acquisition of 1,280 shares in ADTRAN Holdings, Inc. (ISIN
   US00486H1059) due to the vesting of 2,233 Restricted Stock Units
   (granted May 24, 2023) pursuant to the 2020 Employee Stock Incentive
   Plan. 953 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) were
   withheld by ADTRAN Holdings, Inc. to cover the taxes.

c) Price(s) and volume(s)

     Price(s)    Volume(s)
     5.27 USD    6745.60 USD

d) Aggregated information

     Price       Aggregated volume
     5.27 USD    6745.60 USD

e) Date of the transaction

24/05/2024; UTC-5

f) Place of the transaction

Outside a trading venue


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31.05.2024 CET/CEST The EQS Distribution Services include Regulatory
Announcements, Financial/Corporate News and Press Releases.
Archive at www.eqs-news.com

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

End of News EQS News Service
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92037 31.05.2024 CET/CEST