Concept SA, Paris, which is facing major restructuring charges and a daunting loss for the year, wants to tidy up the share structure of its partially-owned subsidiaries: it will offer five of its own shares fob every four in its 78%-owned publicly-quoted Technic Informatique SA, and seven of its own shares for each share in the 60%-owned, privately-held ASTR SA; it will also exchange shares in the holding company for the shares of its wholly-owned Concept Assistance SA and Concept Rhone-Alps SA units.