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 November 27, 2013:

--------------
Part 1 of 3
--------------

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: November 22, 2013

6. Voting rights:
Total amount: 2.98% (1431877 voting rights)
Held indirectly: 2.98% (1431877 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

--------------
Part 2 of 3
--------------

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: November 22, 2013

6. Voting rights:
Total amount: 2.98% (1431877 voting rights)
Held indirectly: 1.86% (892962 voting rights)
attributable to the notifier pursuant to section 22 paragraph 2 WpHG.

--------------
Part 3 of 3
--------------

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: November 22, 2013

6. Voting rights:
Total amount: 2.98% (1431877 voting rights)
Held indirectly: 1.12% (538915 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
Let's ADVANCE