Total voting rights:ADVA AG Optical Networking:Total number of voting rights in accordance with § 26a WpHG

ADVA AG Optical Networking / / Total number of voting rights in accordance with § 26a WpHG processed and transmitted by Hugin AS. The issuer is solely responsible for the content of this announcement. Voting rights and total number of no par value bearer shares Total rights as of May 31, 2010: 46,149,337 Change in June 2010: +258,420 Total rights as of June 30, 2010: 46,407,757 ADVA AG Optical Networking Maerzenquelle 1-3, 98617 Meiningen-Dreissigacker, Germany t +49 3693 450 0, f +49 3963 450 499 investor-relations@advaoptical.com, www.advaoptical.com Let's ADVANCE [HUG#1428779] --- End of Message --- ADVA AG Optical Networking Campus Martinsried, Fraunhoferstr. 9a Martinsried/Munich Germany WKN: 510300;ISIN: DE0005103006; Listed: Freiverkehr in Hanseatische Wertpapierbörse zu Hamburg, Freiverkehr in Börse Berlin, Freiverkehr in Börse Düsseldorf, Freiverkehr in Bayerische Börse München, Freiverkehr in Niedersächsische Börse zu Hannover, Prime Standard in Frankfurter Wertpapierbörse, Regulierter Markt in Frankfurter Wertpapierbörse; This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. All reproduction for further distribution is prohibited. Source: ADVA AG Optical Networking via Thomson Reuters ONE