UBS AG, Zurich, notified us that on December 11, 2007 they had exceeded the 3% voting rights threshold in ADVA AG Optical Networking and that their share of voting rights was at 3.95% (1,815,213 voting rights) that day.
ADVA AG Optical Networking
Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker
t +49 3693 450 0, f +49 3963 450 499
investor-relations@advaoptical.com, www.advaoptical.com