my ammended CLA valuation, page-191

Copper extractions in these leaches were simultaneously high, and typically greater than 94%. Leach extraction for an oxidative leach test at 95°C indicated that long leach times (+24 hours) achieved a yield extraction in the 70-75% range, whereas an autoclave oxidative process had significantly shorter leach retention with much higher recoveries. Sulfuric acid consumption was modest. Further optimisation of leach reagents parameters will be carried out, and requirements calculated for integrated closed circuit conditions. Celsius is extremely satisfied with the excellent floatation recoveries and leach extractions achieved thus far for both cobalt and copper. The data confirms that the mineralisation is amenable to very good extractions of the two major value metals. Demonstrated high leach extraction of both cobalt and copper in a sulfuric acid medium suggests that the classical processes of copper SX-EW (Solvent extraction, electrowinning) and cobalt sulfate crystallisation can be employed to produce saleable products. This metallurgical test work will form the basis for the Process and Engineering design required to complete an initial Scoping Study during Q2 of 2018, supported by the maiden JORC Mineral Resource.