Alexandrium I consists of the existing shopping centre Oosterhof, a northern extension and the "Satellite Building". The existing shopping center is situated on a raised level over a two-storey car park. A walkway forms the passage of the shopping center to the +1 level of the Satellite Building, escalators form the connection with the "Arc" of Alexandrium II at ground level is.
Alexandrium II houses the retail warehouses (LRTE).
Alexandrium III is a mall for home furnishing.