UBS AG, Zurich, Switzerland, notified us that on December 27, 2007 they had exceeded the 3% voting rights threshold in ADVA AG Optical Networking and that their share of voting rights was at 3.49% (1,588,947 voting rights) that day. 0.63% points thereof (288,509 voting rights) are to be ascribed to UBS AG pursuant to section 22 paragraph 1, sentence 1, number 1 WpHG.
ADVA AG Optical Networking
Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker
t +49 3693 450 0, f +49 3963 450 499