Adtran Holdings, Inc. / US00486H1059

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

X	Acquisition/disposal of shares with voting rights
X	Acquisition/disposal of instruments
	Change of breakdown of voting rights
X	Other reason: Voluntary group notification with triggered threshold on subsidiary level

3. Details of person subject to the notification obligation

Legal entity: The Goldman Sachs Group, Inc. City of registered office, country: Wilmington, DE, 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:

11 Dec 2024

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	1.91 %	11.99 %	13.90 %	79444127
Previous notification	1.58 %	12.56 %	14.14 %	/

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	1517394	0 %	1.91 %
Total	1517394		1.91 %

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 To Recall	Open		2562584	3.23 %
Right Of Use	Open		6935753	8.73 %
		Total	9498337	11.96 %

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 %
Swap	14.12.2029		Cash	23792	0.03 %
			Total	23792	0.03 %

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)
The Goldman Sachs Group, Inc.	%	%	%
GSAM Holdings LLC	%	%	%
Goldman Sachs Asset Management, L.P.	%	%	%
-	%	%	%
The Goldman Sachs Group, Inc.	%	%	%
Goldman Sachs Bank USA	%	%	%
Goldman Sachs Bank Europe SE	%	%	%
-	%	%	%
The Goldman Sachs Group, Inc.	%	%	%
Folio Financial, Inc.	%	%	%
Folio Investments, Inc.	%	%	%
-	%	%	%
The Goldman Sachs Group, Inc.	%	%	%
Goldman Sachs & Co. LLC	%	9.88 %	9.88 %
-	%	%	%
The Goldman Sachs Group, Inc.	%	%	%
Goldman Sachs (UK) L.L.C.	%	%	%
Goldman Sachs Group UK Limited	%	%	%
Goldman Sachs International	%	%	%

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

17 Dec 2024