Exhibit 99.1
JOINT FILING AGREEMENT
The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements, The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate,
| ABC BETEILIGUNGEN AKTIENGESELLSCHAFT | |||||
| By: | /s/ Rolf Birkert | ||||
| Rolf Birkert | |||||
| Deutsche Balaton Biotech AG | |||||
| By: | /s/ Rolf Birkert | ||||
| Rolf Birkert | |||||
| SPARTA AG | |||||
| By: | /s/ Philipp Wiedmann | By: | /s/ Eva Katheder | ||
| Philipp Wiedmann | Eva Katheder | ||||
| HEIDELBERGER BETEILIGUNGSHOLDING AG | |||||
| By: | /s/ Ralph Bieneck | ||||
| Ralph Bieneck | |||||
| Ming Le Sports AG | |||||
| By: | /s/ Andreas Danner | ||||
| Andreas Danner | |||||
| ALTECH ADVANCED MATERIALS AG | |||||
| By: | /s/ Hansjörg Plaggemars | ||||
| Hansjörg Plaggemars | |||||
| DEUTSCHE BALATON AKTIENGESELLSCHAFT | |||||
| By: | /s/ Rolf Birkert | ||||
| Rolf Birkert | |||||
| VV BETEILIGUNGEN AKTIENGESELLSCHAFT | |||||
| By: | * | ||||
| Wilhelm Konrad Thomas Zours | |||||
| Strawtec Group AG | |||||
| By: | /s/ Hansjörg Plaggemars | ||||
| Hansjörg Plaggemars | |||||
| Delphi Unternehmensberatung Aktiengesellschaft | |||||
| By: | * | ||||
| Wilhelm Konrad Thomas Zours | |||||
| HANSJÖRG PLAGGEMARS | |||||
| /s/ Hansjörg Plaggemars | |||||
| RALPH BIENECK | |||||
| /s/ Ralph Bieneck | |||||
| ANDREAS DANNER | |||||
| /s/ Andreas Danner | |||||
| ROLF BIRKERT | |||||
| /s/ Rolf Birkert | |||||
| Wilhelm Konrad Thomas Zours | |||||
| * | |||||
| * By: | /s/ Philipp Wiedmann | |||
| Name: Philipp Wiedmann | ||||
| Title: Attorney-in-fact | ||||
