This report accompanies MR5501, the OceanaGold Macraes North 2017 Annual Technical Report for MEP40576. The resource estimation for the Nunn's-NZGT project was carried out by RSC Consulting Ltd in December 2016 and is based on a combination of legacy data and drilling carried out in 2016. It reports an updated Mineral Resource of 1.6Mt at an average grade of 1.0g/t for a total of 50,000oz of contained gold at 0.4g/t cut-off, classified as an Exploration Target according to JORC (2012) due to limited geological information, variable sample quality, and low sample density.