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Shareholder structure

1) Last revision: June 2010, before capital increase

Obligatory announcements pursuant to Section 26 of the German Securities Trading Act (WpHG)

Date	Release	%
September 2, 2011	Grenzebach Maschinenbau GmbH, Asbach-Bäumenheim, Germany Release pursuant to Sec. 21 para. 1 of the German Securities Trading Act (WpHG).	24.41
	Grenzebach GmbH & Co. KG, Asbach-Bäumenheim, Germany Release pursuant to Sec. 21 para. 1 of the German Securities Trading Act (WpHG) in conjunction with Sec. 22 para. 1 sentence 1 No. 1 WpHG.	24.41
	Grenzebach Verwaltungs-GmbH, Asbach-Bäumenheim, Germany Release pursuant to Sec. 21 para. 1 of the German Securities Trading Act (WpHG) in conjunction with Sec. 22 para. 1 sentence 1 No. 1 WpHG.	24.41
	Rudolf Grenzebach, Germany Release pursuant to Sec. 21 para. 1 of the German Securities Trading Act (WpHG) in conjunction with Sec. 22 para. 1 sentence 1 No. 1 WpHG. Comment by the Issuer: The voting rights of Grenzebach-Group totally amount to 24.41%.	24.41

September 2, 2011	Rinvest AG, Pfäffikon, Switzerland Release pursuant to Sec. 21 para. 1 of the German Securities Trading Act (WpHG).	1.77
September 2, 2011	Dr. Till Reuter, Switzerland Release pursuant to Sec. 21 para. 1 of the German Securities Trading Act (WpHG) in conjunction with Sec. 22 para. 1 sentence 1 No. 1 WpHG. Comment by the Issuer: The voting rights of Rinvest AG and Dr. Till Reuter totally amount to 1.77%.	1.77

May 16, 2011	Allianz Global Investors Kapitalanlagegesellschaft mbH, Frankfurt/Main, Germany Release pursuant to Sec. 21 para. 1 sent. 1 of the German Securities Trading Act (WpHG).	3.98