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 November 11, 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: Exceeding threshold due to acquisition/disposal

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

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

6. Voting rights:

Total amount: 5.01% (equals: 2452468 voting rights)

calculated from the following total number of voting rights issued: 48981307

7. Detailed information on the voting rights proportion:

- (Financial/other) instruments purs. to sec. 25 WpHG: 4.40% (equals: 2155840 voting rights)

thereof held indirectly: 4.40% (equals: 2155840 voting rights)

- Voting rights purs. to sec. 21, 22 WpHG: 0.61% (equals: 296628 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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