Annual Report 2023

Introduction Sunstone Metals Limited (“Sunstone” or “Company”) is an exploration and mineral development company, focussed on creating value for shareholders from gold-copper projects in Ecuador. Value for shareholders will be created by: – Exploring and drill testing the Bramaderos Gold-Copper Project and the El Palmar GoldCopper Project in Ecuador, working towards repeating the Sunstone team’s previous success of significant discoveries of porphyry coppergold systems and delivering shareholder value growth; and – Evaluating potential new opportunities to continue to grow our business in Ecuador to add to our portfolio where clear shareholder value can be demonstrated Sunstone has a strong technical and operational team, which is considered to be one of the key strengths of the company. The Company’s vision is to be a discovery business in the porphyry copper-gold space. The Bramaderos and El Palmar Gold-Copper Projects are considered to be highly prospective for the discovery of large gold-copper systems. Sunstone is in the business of maximising shareholder return through the discovery and development of safe, efficient and environmentally and socially responsible mining projects that offer a clear path to development. We aim to outperform our peers through discovery in areas with ready access to existing infrastructure, low utility costs and recognised commodity exposure. Overview Operating Review The Company’s vision is to be a discovery business in the porphyry copper-gold space. The Bramaderos and El Palmar Gold-Copper Projects are considered to be highly prospective for the discovery of large gold-copper systems. 4 Sunstone Metals Limited Annual Report 2023

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