MILDURA'S Millers, Katies, Rivers, Autograph and Rockmans stores face an uncertain future.

Parent company Mosaic Brands announced on Tuesday up to 500 stores in its network would be closed within the next two years.

Mosaic Brands managing director and chief executive Scott Evans said forecasts of growth early last financial year were "utterly derailed".

Mr Evans said about 20 per cent of the gr...