Algo Grande Copper hits BB ESG rating at Adelita

Algo Grande Copper Achieves BB Rating in First Digbee ESG Assessment at the Adelita Project

Independent assessment recognizes governance foundation, community engagement, and dedicated ESG resourcing

• Strong governance foundation recognized: the assessment identified a well-developed corporate structure, dedicated ESG resourcing, proactive risk management efforts, meaningful community engagement, and a clear commitment to integrating sustainability into corporate strategy.
• Approximately 7% of the 2026 drilling budget dedicated to sustainability initiatives, investing in governance structures, community engagement, and environmental management practices that mitigate risk, build trust, strengthen partnerships, and support operational readiness.
• Roadmap in place to formalize risk management systems as the Adelita Project advances toward drilling and development.

VANCOUVER, BC / ACCESS Newswire / September 9, 2026 / Algo Grande Copper Corp. ("Algo Grande" or the "Company") (TSXV:ALGR)(OTCID:ALGRF)(FRA:KM00) has received a BB rating in its first Digbee ESG assessment, covering both the Company and its 100%-owned Adelita Project in Sonora, Mexico. As a first-time assessment for an exploration-stage company, the rating demonstrates that Algo Grande has already established many of the foundational elements expected of responsible mineral developers, including dedicated sustainability oversight, budgeted investment in core ESG topics, stakeholder engagement, and risk management systems that are being progressively strengthened as the Project advances.

Enrico Gay, CEO of Algo Grande Copper Corp., commented: "We believe a project's long-term value is built on more than just geology - the environmental and social foundations matter just as much. This BB rating on our first Digbee assessment shows the discipline the team has brought to Adelita from the start and gives us clear KPIs to hold ourselves accountable to as we advance."

Jamie Strauss, Founder of Digbee, commented: "Every mining company says it operates responsibly. Almost none can substantiate it in a form the market will act on. Algo Grande is building responsible practice into the business at the earliest stage, from social baseline studies and local participation to how the Project is planned and governed. Embedded at this point, responsibility compounds. It widens the pool of capital, enhances the permitting environment, and ultimately means that the Company walks into due diligence prepared rather than exposed."

About the Digbee Assessment

Digbee ESG is the mining industry's independent sustainability platform that assesses operating, development and exploration companies against a standardized set of environmental, social, and governance criteria. Digbee ratings range from AAA, the highest, to D, the lowest. Additional information on the Digbee assessment framework is available at .

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