VIOHALKO S.A.

Replacing of the responsible officer of the company?s investors services

VIOHALCO S.A., would like to announce that, from May 2,2007, following a pertinent resolution of the company''s Board of Directors, Mr. Stergiopoulos George will be the responsible officer of the company regarding investors? services, replacing Mrs.Marou Stathoula. 12 April 2006 Replacing of the r12