ADVA Optical Networking SE

Publication pursuant to §26 sect.1 WpHG (the German Securities Trading Act) with the aim of pan-European distribution

ADVA Optical Networking SE / ADVA Optical Networking SE: Publication pursuant to §26 sect.1 WpHG (the German Securities Trading Act) with the aim of pan-European distribution . Processed and transmitted by Nasdaq Corporate Solutions. The issuer is solely responsible for the content of this announcement.

X Notification of Major Holdings or     Correction of a notification of Major Holdings published on

1. Details of issuer (name, address) ADVA Optical Networking SE, Märzenquelle 1-3, 98617 Meiningen-Dreißigacker, Germany

2. Reason for notification (multiple reasons possible) 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

Name: Deutsche Asset Management Investment GmbH

City and country of registered office (if applicable): Frankfurt, Germany

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: 20.02.2017

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 of issuer
Resulting situation	2.95%	0.00%	2.95%	49498934
Previous notification (if applicable)	4.996%	0.00%	4.996%

7. Notified details of the resulting situation
a. Voting rights attached to shares (Sec.s 21, 22 WpHG)
ISIN	absolute		in %
	direct (Sec. 21 WpHG)	indirect (Sec. 22 WpHG)	direct (Sec. 21 WpHG)	indirect (Sec. 22 WpHG)
DE0005103006		1461127	%	2.95%
			%	%
Total	1461127		2.95%

b.1. Instruments according to Sec. 25 Abs. 1 Nr. 1 WpHG (please use annex in case of more than 3 instruments)
Type of instrument	Expiration or maturity date	Exercise or conversion period	Voting rights absolute	Voting rights in %
				%
				%
		Total

b.2 Instruments according to Sec. 25 Abs. 1 Nr. 2 WpHG (please use annex in case of more than 3 instruments)
Type of instrument	Expiration or maturity date	Exercise or conversion period	Cash or physical settlement	Voting rights absolute	Voting rights in %
					%
					%
					%
			Total		%

8. Information in relation to the person subject to the notification obligation (please tick the applicable box):   X Person subject to the notification obligation is not controlled and does itself not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer (1.).   Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity (please use annex in case of more than 4 undertakings; in this case please always provide only to BaFin also an organizational chart accompanying your notification):
Name	% of voting rights (if at least held 3% or more)	% of voting rights through instruments (if at least held 5% or more)	Total of both (if at least held 5% or more)
	%	%	%
	%	%	%
	%	%	%
	%	%	%

9. In case of proxy voting according to § 22 Abs. 3 WpHG Date of general meeting:       Holding position after general meeting:       % (equals       voting rights)

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The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: ADVA Optical Networking SE via Globenewswire

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ADVA Optical Networking SE
Campus Martinsried, Fraunhoferstr. 9a Martinsried/Munich Germany

WKN: 510300;ISIN: DE0005103006;
Listed: Freiverkehr in Hanseatische Wertpapierbörse zu Hamburg,
Freiverkehr in Börse Berlin,
Freiverkehr in Börse Düsseldorf,
Freiverkehr in Bayerische Börse München,
Freiverkehr in Niedersächsische Börse zu Hannover,
Prime Standard in Frankfurter Wertpapierbörse,
Regulierter Markt in Frankfurter Wertpapierbörse;