Challenge Optimum S.A.
A member of the Worms Safety Alliance
c/o Ducrest Heggli Avocats LLC
Rue Kitty-Ponse 4
1205 Genève
Suisse
A member of the Worms Safety Alliance
c/o Ducrest Heggli Avocats LLC
Rue Kitty-Ponse 4
1205 Genève
Suisse
Tél: +41 22 738 13 11
E-mail: optimum@optimum.ch