Supporting Technical Assessments

4 Tonkin & Taylor Ltd Hazardous Substances Technical Assessment – Waihi North Project - Waihi Processing Plant, Water Treatment Plant and Development Site Oceana Gold (New Zealand) Limited June 2022 Job No: 1015212.1000 vRev0 2 Site location and environmental setting 2.1 Site Location The assessment site is located south-east of Waihi and the Martha Open Pit mine. The location of the Processing Plant and proposed explosives storage facility is shown inFigure 2.1 below, along with other proposed WNP activities as points of interest. Figure 2.1: Site location and WNP features of interest source: OGNZL The Processing Plant, Water Treatment Plant and proposed new explosives storage facility are located within OGNZL owned land east of Waihi as shown inFigure 2.2 below. The Development Site is comprised of all of OGNZL’s land east of the Ohinemuri Stream. Martha Open Pit New Gladstone Open Pit Processing Plant and Water Treatment Plant Proposed explosives storage facility at the Development Site

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