Dr. Gerhard Vogt, Austria, Wien, M

Centrotrade Investment AGDeleted

Position: chairperson of the board

Authority: joint signing authority (any two to sign)

Centrotrade Chemicals AG in LiquidationDeleted

Position: member of the board

Authority: joint signing authority (any two to sign)

Centrotrade Minerals & Metals AG in LiquidationDeleted

Position: member

Authority: joint signing authority (any two to sign)

Dr. Gerhard Vogt