Exploration Report on Neavesville EP60528, Hauraki Goldfield, NZ From 31st July 2020 until 30th July 2023

This report summarises the exploration activities by OceanaGold Ltd within the Neavesville Exploration Permit (EP60528) for the year ending 30th July 2023. Exploration data in this report includes Reprocessed pre-existing CSAMT, ground-based gravity survey results, 3D geological model using pre-existing drilling results, a geostatistical analysis of pre-existing drilling results, and geological mapping and rock samples. Exploration data collected and analysed to date has identified several areas of interest within the permit with the potential to host an economic gold deposit. The next phases of exploration will include further outcrop mapping, ground truthing features in resistivity sections and modifying a proposed diamond drilling program.