Supporting Technical Assessments

This Technical Memorandum is provided as an interim output under our agreement with Oceana Gold NZ Ltd. It is provided to foster discussion in relation to technical matters associated with the project and should not be relied upon in any way. 12552081 3 3. Column Leachate Data Leachate data has been collected throughout the column operation on a weekly basis. Field parameters and measurements taken along with analytical laboratory data are presented for each three columns in Figures 1-3. Leachate analytical data is provided in Appendix D.

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