Notification in accordance with section 26 paragraph 1 WpHG

We have received the following notifications of voting rights pursuant to paragraph
25 of the German Securities Trading Act (WpHG) on September 10, 2015:

Notification pursuant to paragraph 25 WpHG (financial instruments)

1. Listed company:

ADVA Optical Networking SE

Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker, Germany

2. Notifier:

UBS Group AG, Zurich, Switzerland

3. Triggering event: Falling below threshold due acquisition/disposal

4. Threshold (s) crossed or reached: 5%

5. Date at which the threshold is crossed or reached: September 04, 2015

6. Voting rights:

Total amount: 4.90% (equals: 2398393 voting rights)

calculated from the following total number of voting rights issued: 48916774

7. Detailed information on the voting rights proportion:

- (Financial/other) instruments purs. to sec. 25 WpHG: 4.90% (equals: 2398393 voting rights)

thereof held indirectly: 4.90% (equals: 2398393 voting rights)

- Voting rights purs. to sec. 21, 22 WpHG: 0.00% (equals: 0 voting rights)

8. Detailed information on financial/other instruments:

Chain of controlled undertakings: UBS AG, UBS Switzerland AG

Exercise period: anytime

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