Some of the photographs used on the following internet pages have been obtained from www.photocase.com. The photographers:

Contact
Photographer: fult
Source: www.photocase.com

Imprint/Data Protection/Terms & Conditions/Legal Notice
Photographer: MediaUp
Source: www.photocase.com

Home/B2B/Global Purchasing
Photographer: AllzweckJack
Source: www.photocase.com

About us/Profile/Guidelines
Photographer: Noodelz
Source: www.photocase.com

About us/Corporate Responsibility
Photographer: jarts
Source: www.photocase.com

About us/Corporate Responsibility/Environment/Environmental policy
Photographer: Damien Murdock
Source: www.photocase.com

About us/Corporate Responsibility/Environment/Environmental protection
Photographer: anchelito
Source: www.photocase.com

About us/Locations wordwide/Germany
Photographer: aadr
Source: www.photocase.com

About us/Locations wordwide/Quality & Environment
Photographer: Zerole
Source: www.photocase.com

About us/Locations wordwide/Switzerland
Photographer: froschperspektive
Source: www.photocase.com

Investor Relations
Photographer: sushi100
Source: www.photocase.com

Investor Relations/Publications
Photographer: DerGrafischer
Source: www.photocase.com