Tailings Management

Tailings Management

We’re focused on bringing more structure and discipline to our activities. This includes improving the corporate responsibility elements of our business. We joined the Mining Association of Canada (MAC) in 2013 and committed to implementing MAC’s reputational program, Towards Sustainable Mining (TSM) at our business units, including implementing tailings guides which are recognized as evolving international best practice.

We began improving our tailings management practices by developing and implementing a mine waste management standard. We also retained a Canadian-based international engineering firm to evaluate our tailings management practices against the MAC guidelines and its TSM protocols. An action plan has been developed and is in the process of being implemented.

Since 2020, we were focused on implementing the TSM Tailings Protocol at our operation in Miguel Auza, Zacatecas Mexico, with the objective of achieving a TSM A-level score in our operation. Our site now has an assigned external Engineer of Record, an updated Operation, Maintenance and Surveillance Manual (OMS), and an updated risk assessment. Most action plan items were completed in 2021 despite pandemic restrictions. We are working on the remaining action plan items to achieve an A-level score.

We appreciate the expanded level of shareholder interest in understanding how we control and mitigate our tailing risks. In response to the Church of England Pensions Board and the Swedish Council on Ethics for the PA Public Pension Funds, we confirmed that we are reviewing the Global Industry Standard for Tailings Management (GISTM), which was released in 2020 by the Global Tailings Review as an initiative of the International Council on Mining and Metals, the United Nations Environment Program, and the Principles for Responsible Investment.

We have evaluated this standard compared to the TSM Tailings Protocol and have found small differences as well as areas where TSM requirements exceed those of the GISTM. The Mining Association of Canada, which includes Excellon Resources Inc as a member, is currently working to address these differences and support with the GISTM.

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