ESG measurements and communications have significantly evolved in the last decade. An inward, company-centric focus has expanded to include care and protection for all stakeholders. In this way, it is as important to measure and manage health, safety and loss prevention metrics, as it is to include plans of environmental stewardship, transparency, ethics, supply chains, and community relations.
What is ESG?
ESG encompasses a broad range of topics, including:
Environment: climate change, biodiversity, waste, water and resource use, pollution
Social: human rights, labour practices, safety, health, community, diversity
Oroco is committed to creating policies offering long-term benefits for all of our stakeholders, the surrounding community at Santo Tomas, and the environment in which we operate. Our day-to-day activities and obligations uphold this commitment and serve to create increased value for the company, advance the best interests of the local community, and maintain responsible stewardship of the land. The Santo Tomas project development plan considers exploration through to development while striving for sustainable economic advancement. With the fundamental respect for local values and culture, our Santo Tomas investment includes job creation, worthwhile community initiatives, infrastructure improvement and prioritization of local procurement.
At Oroco, responsible mining means creating long-term value for our stakeholders by strengthening environmental stewardship, and improving the quality of life in the communities where we operate. We recognize that a strong social license is fundamental to the success of the Santo Tomas Project. Our approach is built on mutual respect, transparency, and collaboration, ensuring that our development contributes, in a meaningful way, to both social and economic growth in the region.
Corporate Responsibility
Hiring local workers Environmental ResponsibilityRespecting Local CultureSocial Engagement Maintaining Infrastructure
Our Commitment to Long-Term Value
Oroco’s Corporate Responsibility efforts are built on three central principles:
1. Environmental Stewardship – Protecting and restoring the ecosystems where we operate
2. Community Engagement – Building trust through active, locally relevant initiatives
3. Shared Prosperity – Aligning project development with social and economic benefits
As the Santo Tomas Project moves forward, we remain committed to responsible development that benefits local communities and aligns with Mexico’s national sustainability priorities.
Oroco believes that our success at Santo Tomas begins within the local area and its people. Oroco’s Corporate Social Responsibility Mandate creates positive working relationships with Santo Tomas’ neighbouring community and serves a realistic and meaningful social purpose. We understand that maintaining a solid social license is essential to Santo Tomas' long term operational prosperity. Thus, improving the community’s quality of life with mutual respect and open communication is fundamental to our objectives.
Environmental and Social Commitment: Sembrando Vida
In July of 2025, Oroco signed a cooperation agreement with Sembrando Vida (Sowing Life), Mexico’s flagship environmental and social program. Through this initiative, we are:
• Restoring degraded land and promoting sustainable agriculture
• Supporting native tree planting and land recovery
• Providing training and resources for local participants
The Oroco team and community participants planting native trees as part of the Sembrando Vida partnership.
Formal signing of the Sembrando Vida partnership supporting environmental restoration and community engagement in Choix, Sinaloa.
Community Investment: Education and Digital Access
We are committed to empowering future generations through early access to technology and education. Oroco donated computers to schools in Choix, giving children opportunities to:
1. Environmental Stewardship – Protecting and restoring the ecosystems where we operate
2. Community Engagement – Building trust through active, locally relevant initiatives
3. Shared Prosperity – Aligning project development with social and economic benefits
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These historical resource estimate models are based upon historical resource estimates prepared by John Thornton in 2011. While, in the opinion of Dane A. Bridge, author of the revised NI 43-101 standard technical report, Geology, Mineralization and Exploration of the Santo Tomas Cu-(Mo-Au-Ag) Porphyry Deposit, Sinaloa, Mexico dated April 21, 2020 (the “Report”), reliable estimation practices were used, in order to upgrade or verify the historical estimations, resampling and assay of historical drill samples, twinning of historical drill holes, and a new program of regularly spaced drilling is required. No qualified person has undertaken sufficient work to classify the current mineral resources or mineral reserves upon which these models are based and the Company is not treating the estimates as current estimates of the mineral resources. The Company gives no assurance that either these models or the historical resource estimates upon which they are based are accurate, and does not undertake any obligation to update the models or to release publicly any update or revisions of the resource estimates except as required by applicable securities law. The reader is cautioned not to rely upon these models or the historical resource estimates upon which they are based.
