Sunstone Metals Annual Report 22

ESG ACTIVITIES Sunstone is committed to building its Environmental, Social, and Governance (ESG) credentials. Through our actions, we can make our operations safer, our decision-making more transparent, our communities increasingly resilient and our environmental stewardship stronger. In short, how we can improve our business. Metals and mining remain fundamental to the development of society. We are playing our part in meeting global demand for metals in a responsible and sustainable manner. Sustainability is firmly embedded in our business strategy, as it is not only the right thing to do but creates business value by fostering innovative solutions to operational and global challenges while mitigating business risk. Recognizing the unique role we can play as an investor and employer in rural and remote areas, we seek to be agents of positive social and economic development wherever we operate and to be responsible stewards of the environment. At Sunstone, we believe that the success of our project lies when we work in direct collaboration with communities to achieve long-term social, environmental, and economic outcomes. We seek to create and contribute to social value in local communities through the positive social and economic benefits generated by our activity, our commitment and support of important issues, and our contribution as part of the community. We remain committed to respecting and protecting human rights, and to ensuring early, transparent, and inclusive consultation and engagement with landowners and communities related to our activities. This includes incorporating their views into our decision-making and developing long-term partnerships. CUE ENERGY ANNUAL REPORT 2020 Sunstone is committed to working with local communities in a spirit of reciprocity and transparency, developing long-term sustainable agreements and partnerships that are mutually beneficial. Sunstone is proud to support the surrounding communities during the most critical times of the pandemic in Ecuador. We have worked closely with the communities in which we operate to establish support mechanisms for health, wellbeing, and resilience to help protect the most vulnerable from infection, manage any potential outbreaks and mitigate the wider impacts of this pandemic. Our priority remains to reduce the risk of transmission of COVID-19 and protect our workers, their families, and our local communities. We have a safety, health and environment team that constantly monitors the situation to ensure the well-being of our workers and keep our projects running safely, supporting all those who rely on us. Sunstone maintains a deep commitment to human rights. Our policy and code of conduct explicitly state our respect for human rights, and this is reflected in our core values of security, concern and respect, integrity, and accountability. In addition, we are committed to complying with the applicable laws and regulations of the countries where we operate. SUNSTONE METALS LIMITED ANNUAL REPORT 2022 13 Sunstone Metals Limited Annual Report 2022

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