Press Release: Notification in accordance with section 26 paragraph 1 WpHG with the objective of Europe-wide distribution

ADVA Optical Networking SE / Notification in accordance with section 26 paragraph 1 WpHG with the objective of Europe-wide distribution . Processed and transmitted by Nasdaq OMX Corporate Solutions. The issuer is solely responsible for the content of this announcement.

We have received the following notifications of voting rights pursuant to section 21 paragraph 1

of the German Securities Trading Act (WpHG) on August 21, 2015:

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Part 1 of 2

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Notification pursuant to section 21 paragraph 1 WpHG

1. Listed company:

ADVA Optical Networking SE

Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker, Germany

2. Notifier: Norges Bank, (the Central Bank of Norway), Oslo, Norway

3. Triggering event: Falling below threshold

4. Threshold (s) crossed or reached: 3%

5. Date at which the threshold is crossed or reached: August 20, 2015

6. Voting rights:

Total amount: 2.995% (1456212 voting rights)

Held directly: 2.995% (1456212 voting rights)

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Part 2 of 2

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Notification pursuant to section 21 paragraph 1 WpHG

1. Listed company:

ADVA Optical Networking SE

Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker, Germany

2. Notifier: Ministry of Finance on behalf of the State of Norway, Oslo, Norway

3. Triggering event: Falling below threshold

4. Threshold (s) crossed or reached: 3%

5. Date at which the threshold is crossed or reached: August 20, 2015

6. Voting rights:

Total amount: 2.995% (1456212 voting rights)

Held indirectly: 2.995% (1456212 voting rights)

attributable to the notifier pursuant to section 22 paragraph 1, sentence 1 no. 1 WpHG, via Norges Bank

ADVA Optical Networking SE

Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker, Germany

t +49 3693 450 0, f +49 3963 450 499

investor-relations@advaoptical.com, www.advaoptical.com

Let's ADVANCE

This announcement is distributed by NASDAQ OMX Corporate Solutions on behalf of NASDAQ OMX Corporate Solutions clients.

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

HUG#1947019

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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;

http://www.advaoptical.com (END) Dow Jones Newswires

   August 21, 2015 10:03 ET (14:03 GMT)- - 10 03 AM EDT 08-21-15