RETRANSMISSION: Manganese X Reports Positive Phase 2 Ore-Sorting Results - Achieving 80% Mill Feed Upgrade Improvement - Projected to Reduce Capital and Operating Costs

Rhea-AI Summary

Manganese X Energy (OTCQB:MNXXF) has announced significant Phase 2 ore-sorting results from its Battery Hill project, demonstrating an 80% improvement in mill feed grade. The pilot program, conducted by ABH Engineering at RADOS Technologies lab in South Africa, processed over 400kg of rock samples using full-scale production equipment.

The testing revealed potential mill feed grades of 10% to 15% manganese, with the ore-sorting technology effectively removing waste rock and pre-concentrating the material before processing. This advancement is expected to significantly reduce both capital expenditure (CAPEX) and operating costs (OPEX), while improving project economics through enhanced resource utilization and reduced environmental impact.

The company plans to integrate these findings into its upcoming Pre-Feasibility Study (PFS), scheduled to commence in Q3 2025.

Positive

• None.

Negative

• Project still in pre-feasibility stage with no commercial production
• Final implementation costs of ore-sorting technology not yet determined

Key Highlights

Pilot scale results indicate Battery Hill material is very amenable to ore sorting:

• Mill feed grade can be increased by 80%.

• Testing was conducted with full size production equipment, not lab scale.

• By increasing mill feed grade, ore sorting is projected to positively impact CAPEX, OPEX, and production cost per tonne, leading to enhanced Project economics.

• Discussions underway to integrate ore sorting into the Battery Hill Pre-Feasibility Study ("PFS") program.

Montreal, Quebec--(Newsfile Corp. - August 12, 2025) - Manganese X Energy Corp. (TSXV: MN) (FSE: 9SC) (TRADEGATE: 9SC) (OTCQB: MNXXF) (the "Company" or "Manganese X") is pleased to announce highly positive Phase 2 ore-sorting results, demonstrating an 80% increase in mill feed grade in its large scale Battery Hill pilot program, managed by ABH Engineering.

An 80% increase in mill feed grade means that, after ore-sorting, the material sent to the mill contains 80% more manganese per tonne than the original mined material.

The ore-sorting program was performed at RADOS Technologies lab in South Africa where over 400kg of rock from the Company's Battery Hill manganese deposit near Woodstock, New Brunswick, was processed. The sample was split into two size fractions and tested using full-scale production equipment. Through ore sorting, waste rock was effectively removed, pre-concentrating the rock before further processing.

This ore-sorting process is also projected to deliver significant capital expenditure (CAPEX) and operating cost (OPEX) savings, potentially supporting a strong outcome in the Company's upcoming PFS.

Results confirm that Battery Hill material is highly amenable to ore-sorting, enabling substantial improvements in feed grade while providing significant potential capital and operating costs savings.

The study was conducted in preparation for the Company's PFS, scheduled to commence in Q3 2025. Manganese X is having ongoing discussions with lead consultants regarding the integration of ore-sorting into the Battery Hill PFS program.

CEO Martin Kepman commented, "We are highly encouraged by the results of this large-scale pilot program, which confirm the economic potential of the ore-sorting technology we are employing. These findings strongly support the viability of integrating this process into our operations. By increasing mill feed grade, ore sorting is projected to positively impact CAPEX, OPEX, and production cost per tonne."

He continued, "With higher-grade feed, a smaller facility can produce more metal, while the ability to create low-grade stockpiles enables very high upgrade ratios and maximizes resource utilization. Potential benefits also include improved project NPV and IRR, reduced energy and water consumption, expanded resources through cut-off grade reduction, and decreased tailings storage requirements - along with the associated reduction in environmental impact."

Brent Hilscher, VP of Mineral Processing at ABH Engineering, added, "The Manganese X results are an excellent example of what we call a 'clean sort' or 'sharp separation.' The high-grade rock can be easily concentrated with very high recovery rates. The impact of higher mill feed grade on project economics can be profound."

Ore-Sorting Details:

• Results are consistently positive between 10mm and 100mm feed sizes.

• Pilot plant used a large sample over 400kg.

• Testing was conducted on full size production equipment, not lab scale.

• Potential mill feed grades of 10% to 15% manganese (Mn) were achievable, with full scale production equipment. Potential to stockpile medium grade rock by XRF system in single stage three-way split.

Table 1: XRF sorting average results for -100mm +10mm

	Mass Pull	Mn Product Grade	Mn Reject Grade	Upgrade Ratio
	(%)	(%)	(%)
Operating Condition 1	36%	15.7%	3.5%	2.0
Operating Condition 2	51%	13.5%	2.0%	1.7
Operating Condition 3	65%	11.4%	1.3%	1.5
Operating Condition 4	80%	9.6%	0.9%	1.2
Operating Condition 5	90%	8.6%	0.6%	1.1
Sorter Head Grade		7.86%

 

This news release has been reviewed and approved by Brent Hilscher, P.Eng., VP of Mineral Processing at ABH Engineering Inc., a Qualified Person under National Instrument 43-101 Standards of Disclosure for Mineral Projects.

About Manganese X Energy Corp.

Manganese X's mission is to advance its Battery Hill project into production, thereby becoming the first public actively traded manganese mining company in Canada and US to commercialize EV compliant high purity manganese, potentially supplying the North American supply chain. The Company intends on supplying value-added materials to the lithium-ion battery and other alternative energy industries, as well as striving to achieve new carbon-friendly more efficient methodologies, while processing manganese at a lower competitive cost.

For more information visit the Company's website at www.manganesexenergycorp.com.

On behalf of the Board of Directors of
MANGANESE X ENERGY CORP.

Martin Kepman
CEO and Director
Email: martin@kepman.com
Tel: 1-514-802-1814

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Note Regarding Forward-Looking Statements:

This news release contains certain "forward-looking information" and "forward-looking statements" (collectively "forward-looking statements") within the meaning of applicable securities legislation. All statements, other than statements of historical fact, included herein, without limitation, statements relating to the future operations and activities of Manganese X, are forward-looking statements. Forward-looking statements in this news release relate to the Company's goals and plans for 2025, the impact that increasing mill feed grade may have on project economics at Battery Hill, any integration of ore sorting into the PFS, and the commencement of the PFS. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Forward-looking statements reflect the beliefs, opinions and projections on the date the statements are made and are based upon a number of assumptions and estimates that, while considered reasonable by Manganese X, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors, both known and unknown, could cause actual results, performance or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements and the parties have made assumptions and estimates based on or related to many of these factors. These risks, as well as others, are disclosed within the Company's filings on SEDAR+ (www.sedarplus.ca), which investors are encouraged to review prior to any transaction involving the securities of the Company. Readers should not place undue reliance on the forward-looking statements. Manganese X does not assume any obligation to update the forward-looking statements if beliefs, opinions, projections, or other factors, should change, except as required by applicable securities laws.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/262122

FAQ

What were the key findings of Manganese X's (MNXXF) Phase 2 ore-sorting results?

The Phase 2 results showed an 80% increase in mill feed grade, with potential mill feed grades of 10-15% manganese, demonstrating strong amenability to ore-sorting technology.

How will the ore-sorting technology impact Manganese X's (MNXXF) project economics?

The technology is expected to reduce both CAPEX and OPEX costs, improve project NPV and IRR, reduce energy and water consumption, and decrease tailings storage requirements.

What scale was used for Manganese X's (MNXXF) ore-sorting pilot program?

The program processed over 400kg of rock using full-scale production equipment at RADOS Technologies lab, not lab-scale equipment, demonstrating commercial viability.

When will Manganese X (MNXXF) begin its Pre-Feasibility Study for Battery Hill?

The Pre-Feasibility Study (PFS) is scheduled to commence in Q3 2025, and will integrate the positive ore-sorting results.

What are the environmental benefits of Manganese X's (MNXXF) ore-sorting technology?

The technology enables reduced energy and water consumption, decreased tailings storage requirements, and lower environmental impact through improved resource utilization.