Mr. Brian Savage reports

ELECTRIC METALS (USA) LIMITED UPDATES EMILY MANGANESE DEPOSIT METALLURGICAL TEST WORK

Electric Metals (USA) Ltd. has provided a review and progress report on the manganese metallurgical test work with Kemetco Research Inc. of Richmond, B.C., Canada, from samples obtained from the company's Emily manganese deposit, located in central Minnesota. Kemetco is one the leading metallurgical firms specializing in the extraction and processing of manganese ores and compounds worldwide.

As reported in the 2022 National Instrument 43-101, Kemetco was commissioned in 2013 to undertake parametric leach tests on Emily manganese ore to provide an initial determination of leaching conditions and the ultimate manganese recovery potential. Using a leaching protocol that utilizes SO2 (sulphur dioxide) as a reducing agent, Kemetco demonstrated that more than 80 per cent of the manganese could be recovered from the feed without requiring preconcentration. Kemetco also performed a larger-batch leach and used the purified leach solution in laboratory-scale electrowinning to produce of chemical-grade manganese dioxide (MnO2), electrolytic manganese metal (EMM) and chemical-grade manganese carbonate (MnCO3).

In 2023, Electric Metals recommissioned Kemetco to continue working on the metallurgy and commercial processing. The 2023/2024 metallurgical test work at Kemetco utilized two manganese composites weighing approximately 228 kilograms taken from 40 samples:

• Higher-grade whole-rock composite sample (37.0 per cent manganese, 19.03 per cent iron and 4.61 per cent silicon dioxide);
• Lower grade whole-rock composite sample (15.57 per cent manganese, 20.61 per cent iron and 38.45 per cent silicon dioxide).

The leach optimization tests are leveraging off of the earlier studies and have been conducted to determine appropriate conditions and likely leach yields. The acid leach tests indicate that high-manganese extractions recovered more than 90 per cent manganese using a reductant. The metallurgical test work is continuing with expectations of developing a viable process flow sheet for the project in the coming months. Future work will focus on the optimization of the proposed approaches.

This work has been conducted to determine what products can be economically produced from Emily ore, including high-purity manganese sulphate monohydrate (HPMSM), which is essential and a major component to electric vehicle (EV) batteries, rechargeable batteries and other emerging energy storage applications.

Brian Savage, chief executive officer of Electric Metals, commented: "We are very pleased to be working with Kemetco, a renowned metallurgical laboratory, to advance the Emily manganese deposit metallurgical test work. Our focus is on producing HPMSM, crucial for the EV battery sector, and other high-value manganese chemicals. We look forward to continued positive results."

Qualified person

The scientific and technical data contained in this news release were reviewed and approved by Norman Chow, PEng, who is a qualified person under National Instrument 43-101, Standards of Disclosure for Mineral Projects.

About Electric Metals (USA) Ltd.

Electric Metals is a U.S.-based mineral development company with manganese and silver projects geared to supporting the transition to clean energy. The company's principal asset is the Emily manganese project in Minnesota, which has been the subject of considerable technical studies, including an NI 43-101 technical report (resource estimate), with over $26-million (U.S.) invested to date. The company's mission in Minnesota is to become a domestic U.S. producer of high-purity, high-value manganese metal and chemical products for supply to U.S. energy, technology and industrial markets. With manganese playing a critical and prominent role in lithium-ion battery formulations and with no current domestic supply or active mines for manganese in North America, the development of the Emily manganese project represents a significant opportunity for America and the state of Minnesota and for the company's shareholders.

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