CORRECTION TO THE NOTIFICATION PUBLISHED ON DECEMBER 20, 2007
UBS AG, Zurich, Switzerland, notified us that on December 13, 2007 they had fallen below the 3% voting rights threshold in ADVA AG Optical Networking and that their share of voting rights was at 2.31% (1,060,230 voting rights) that day.
0.61% points thereof (279,774 voting rights) are to be ascribed to UBS AG persuant to section 22 paragraph 1, sentence 1, number 1 WpHG.
ADVA AG Optical Networking
Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker
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