EQS-PVR: 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

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
	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: BlackRock, Inc. 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.

iShares Trust

5. Date on which threshold was crossed or reached:

08 Nov 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	8.62 %	0.16 %	8.78 %	79248942
Previous notification	8.51 %	0.10 %	8.61 %	/

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	6833784	0 %	8.62 %
Total	6833784	8.62 %

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 %
Lent Securities (right to recall)	N/A	N/A	109779	0.14 %
		Total	109779	0.14 %

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 %
Contract for Difference	N/A	N/A	Cash	13887	0.02 %
			Total	13887	0.02 %

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)
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 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 Institutional Trust Company, National Association	%	%	%
-	%	%	%
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 Holdco 4, LLC	%	%	%
BlackRock Holdco 6, LLC	%	%	%
BlackRock Delaware Holdings Inc.	%	%	%
BlackRock Fund Advisors	4.37 %	%	%
-	%	%	%
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 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	%	%	%
-	%	%	%

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

13 Nov 2024