Release of a Voting Rights announcement according to Article 21 WpHG

WKN 843002
ISIN DE0008430026

UBS AG, Zurich, Switzerland, informed us on 13 June 2007 in accordance with Section 21, para. 1 of the German Securities Trading Act (WpHG) that its share of the voting rights in our company had fallen below the 3% threshold on 7 June 2007 and now amounts to 2.24% (4,960,434 voting shares). Of these, 0.43% (957,035 voting rights) are attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of the WpHG.

Prior to that, UBS AG had notified us on several occasions that its share of the voting rights had exceeded or fallen below the relevant 3% threshold. UBS AG informed us in accordance with Section 21, para. 1 of the WpHG

• that its share of the voting rights in our company had exceeded the 3% threshold on 5 June 2007 and thus amounted to 3.02% (6,698,839 voting rights). Of these, 0.39% (847,950 voting rights) were attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of th e WpHG.
• that its voting rights in our company had fallen below the 3% threshold on 29 May 2007 and thus amounted to 1.89% (4,191,144 voting rights). Of these, 0.39% (867,829 voting rights) were attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of the WpHG.
• that its voting rights in our company had exceeded the 3% threshold on 21 May 2007 and thus amounted to 3.33% (7,370,330 voting rights). Of these, 0.40% (887,965 voting rights) were attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of the WpHG.
• that its voting rights in our company had fallen below the 3% threshold on 15 May 2007 and thus amounted to 1.86% (4,123,630 voting rights). Of these, 0.45% (994,445 voting rights) were attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of the WpHG.
• that its voting rights in our company had exceeded the 3% threshold on 11 May 2007 and thus amounted to 3.72% (8,236,000 v oting rights). Of these, 0.44% (975,871 voting rights) are attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of the WpHG.
• that its voting rights in our company had fallen below the 3% threshold on 3 April 2007 and thus amounted to 2.89% (6,634,282 voting rights). Of these, 0.4% (905,984 voting rights) were attributable to UBS AG in accordance with Section 22, para. 1, sentence 1, item 1 of the WpHG.
  
  

Munich, June 2007

The Board of Management