Voting rights: Release of a Voting rights announcement according to § 26, section 1 WpHG with the aim of a Europe-wide distribution


DWS Investment GmbH, Mainzer Landstrasse 178-190, 60327 Frankfurt am Main, Germany, notified us
that on April 24, 2007 they had exceeded the 5% voting rights threshold in ADVA AG Optical Networking
and that their share of voting rights was at 5.71% that day.
 
ADVA AG Optical Networking
Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker
t +49 3693 450 0, f +49 3963 450 499
 
Let's ADVANCE!