GTT switchboard contact: 

GTT
Head Office
1 route de Versailles
78470 Saint-Rémy-lès-Chevreuse
FRANCE
GTT switchboard:  +33 (0) 1 30 23 47 89

 

Investors Relations contact:

+33 (0) 1 30 23 20 87
E-mail: information-financiere@gtt.fr

 

Contact for management of registered shares:

By mail:
UPTEVIA
Relation Actionnaires
9, rue de Débarcadère
93 761 Pantin Cedex
  
By phone: 01 57 43 02 30 / Outside France: +33 1 55 43 02 30

Or by connecting on the website: www.uptevia.com