Adtran Networks SE / DE0005103006

Notification of Major Holdings

1. Details of issuer

Name:	Adtran Networks SE
Street:	Märzenquelle 1-3
Postal code:	98617
City:	Meiningen-Dreissigacker Germany
Legal Entity Identifier (LEI):	5299001QZNN0TKI9J120

2. Reason for notification

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

3. Details of person subject to the notification obligation

Legal entity: UBS Group AG City of registered office, country: Zurich, Switzerland

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:

07 Feb 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	2.83 %	0.01 %	2.84 %	52054500
Previous notification	3.04 %	0.01 %	3.05 %	/

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)
DE0005103006	0	1475034	0 %	2.83 %
Total	1475034		2.83 %

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 lent shares		At any time	4721	0.01 %
		Total	4721	0.01 %

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)
UBS Group AG	%	%	%
UBS AG	%	%	%
UBS Asset Management AG	%	%	%
UBS Asset Management Holding (No. 2) Ltd	%	%	%
UBS Asset Management Holding Ltd	%	%	%
UBS Asset Management (UK) Ltd	%	%	%
-	%	%	%
UBS Group AG	%	%	%
UBS AG	%	%	%
UBS Asset Management AG	%	%	%
UBS Fund Management (Luxembourg) SA	%	%	%
-	%	%	%
UBS Group AG	%	%	%
UBS AG	%	%	%
UBS Asset Management AG	%	%	%
UBS Asset Management Switzerland AG	%	%	%
UBS Fund Management (Switzerland) AG	%	%	%
-	%	%	%
UBS Group AG	%	%	%
Credit Suisse AG	%	%	%
Credit Suisse Asset Management International Holding Ltd	%	%	%
Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG	%	%	%
Credit Suisse Funds AG	%	%	%

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

12 Feb 2024