Notification in accordance with section 26 paragraph 1 WpHG


We have received the following notifications of voting rights pursuant to section 21 paragraph 1
of the German Securities Trading Act (WpHG) on October 14, 2013:

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Part 1 of 6
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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: ING Investment Management Belgium S.A., Brussels, Belgium  

3. Triggering event: Above threshold

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

5. Date at which the threshold is crossed or reached: October 10, 2013

6. Voting rights:
Total amount: 3.01% (1442593 voting rights)
Held indirectly: 3.01% (1442593 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

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Part 2 of 6
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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: ING Fund Management B.V, Den Haag, The Netherlands

3. Triggering event: Above threshold

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

5. Date at which the threshold is crossed or reached: October 10, 2013

6. Voting rights:
Total amount: 3.01% (1442593 voting rights)
Held indirectly: 1.78% (851439 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

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Part 3 of 6
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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: ING Investment Management Luxembourg S.A., Luxembourg, Luxembourg

3. Triggering event: Above threshold

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

5. Date at which the threshold is crossed or reached: October 10, 2013

6. Voting rights:
Total amount: 3.01% (1442593 voting rights)
Held indirectly: 1.23% (591154 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

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Part 4 of 6
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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: ING Investment Management Belgium S.A., Brussels, Belgium  

3. Triggering event: Below threshold

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

5. Date at which the threshold is crossed or reached: October 8, 2013

6. Voting rights:
Total amount: 2.97% (1426729 voting rights)
Held indirectly: 2.97% (1426729 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

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Part 5 of 6
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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: ING Fund Management B.V, Den Haag, The Netherlands

3. Triggering event: Below threshold

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

5. Date at which the threshold is crossed or reached: October 8, 2013

6. Voting rights:
Total amount: 2.97% (1426729 voting rights)
Held indirectly: 1.74% (835575 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

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Part 6 of 6
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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: ING Investment Management Luxembourg S.A., Luxembourg, Luxembourg

3. Triggering event: Below threshold

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

5. Date at which the threshold is crossed or reached: October 8, 2013

6. Voting rights:
Total amount: 2.97% (1426729 voting rights)
Held indirectly: 1.23% (591154 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

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
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