ELGEKA S.A. Change of Registered Office’s address of company ?ELGEKA S.A.? and of its subsidiaries' ?ARISTA S.A.?, ?VIOTROS S.A.? and ?GSBG S.A.? since 01.03.2016 Thessaloniki, February 24th,2016Change of Registered OfficeΆs address of company ?ELGEKA S.A.? and of its subsidiaries' ?ARISTA S.A.?, ?VIOTROS S.A.? and ?GSBG S.A.? since 01.03.2016