German listed property company IVG is postponing the planned flotation of its EUR 3.5 bn office unit in the form of a real estate investment trust (G-REIT) until market conditions improve, the group's CEO Wolfhard Leichnitz told German daily Boersen-Zeitung. Leichnitz added that the REIT spin-off, originally planned for April/May this year, would now take place by June/July.