ADVA Optical Networking SE, DE0005103006

ADVA Optical Networking SE, DE0005103006

13.01.2022 - 17:00:48

ADVA Optical Networking SE: 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: ADVA Optical Networking SE Street: M?rzenquelle 1-3 Postal code: 98617 City: Meiningen-DreissigackerGermany Legal Entity Identifier (LEI): 5299001QZNN0TKI9J120 2. Reason for notification ? Acquisition/disposal of shares with voting rights X Acquisition/disposal of instruments ? Change of breakdown of voting rights ? Other reason: 3. Details of person subject to the notification obligation Legal entity: Morgan StanleyCity 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.Morgan Stanley & Co. International plc 5. Date on which threshold was crossed or reached: 10 Jan 2022 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 4.33 % 0.11 % 4.44 % 51445892 Previous notification 4.04 % 1.83 % 5.87 % / 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 2226909 0.00 % 4.33 % Total 2226909 4.33 % 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 % 0 0.00 % ? ? Total 0 0.00 % 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 % Retail Structured Product From 02.02.2067 to 08.09.2071 at any time Cash 201 0 % Put Option 21.01.2022 at any time Physical 55000 0.11 % ? ? ? Total 55201 0.11 % 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) Morgan Stanley % % % Morgan Stanley Capital Management, LLC % % % Morgan Stanley Domestic Holdings, Inc. % % % Morgan Stanley & Co. LLC % % % - % % % Morgan Stanley % % % Morgan Stanley International Holdings Inc. % % % Morgan Stanley International Limited % % % Morgan Stanley Investments (UK) % % % Morgan Stanley & Co. International plc 3.35 % % % - % % % Morgan Stanley % % % Morgan Stanley Capital Management, LLC % % % Morgan Stanley Domestic Holdings, Inc. % % % ETCM Holdings, LLC % % % E*TRADE Securities LLC % % % 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:? Date13 Jan 2022

13.01.2022 The DGAP Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.Archive at www.dgap.de

Language: English Company: ADVA Optical Networking SE M?rzenquelle 1-3 98617 Meiningen-Dreissigacker

Germany Internet: www.advaoptical.com ? End of News DGAP News Service

1268595??13.01.2022?

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