Marvel Completes Structural Study of High-Resolution Magnetic Survey at Gander East- Mobilizes Ground Crews To Investigate Targets of High Merit for Phase 1 Drill Program

Marvel Completes Structural Study of High-Resolution Magnetic Survey at Gander East- Mobilizes Ground Crews To Investigate Targets of High Merit for Phase 1 Drill Program

TSXV:MARV)(Frankfurt:O4T)(OTCQB:MARVF); ("Marvel" or the "Company") is pleased to announce it has completed a structural interpretation of the high-resolution magnetic survey at the Gander East Project, Central Newfoundland. Several prominent shear and deformation zones have been identified that require follow-up prospecting, mapping, and soil sampling. Results of the boots on the ground campaign together with the favourable structural features will aid Marvel in targeting those areas of high merit for its inaugural Phase I drilling program

The Gander East Project consists of 274 claims totaling 6,850 hectares, which have been strategically positioned adjacent to New Found Gold's ("NFG") Queensway Project and along strike from both Exploits Discovery Middle Ridge Project and Sassy Resources Gander North Project (Figure 1). The Queensway Project is undergoing a 400,000 m drill campaign targeting 20 km of prospective strike along the regional scale Appleton and Dog Bay fault zones (Figure 2). NFG's most recent news release dated June 6, 2022, reported 9.12 g/t Au over 8.2 m and 42.6 g/t Au over 11.75 m beginning at only 8.8 m downhole. Parallel structures to those hosting gold in the Queensway and Middle Ridge project areas intersect the Gander East Project including a segment of the Gander River Ultrabasic Line (GRUB Line) that defines the easternmost bounding structure of the regionally prospective Exploits Subzone. Furthermore, the Gander East Project lies along strike to the south of a new regional gold trend defined by Sassy Resources as a part of their Gander North Project. The Structure is integral to the numerous gold occurrences and drill intersections within the Exploits Subzone.

Marvel Discovery Corp., Monday, June 13, 2022, Press release picture

Figure 1: Gander East Location Map Showing Strategic Location Adjacent to New Found Gold.

Marvel Discovery Corp., Monday, June 13, 2022, Press release picture

Figure 2: Gander East Location Map Showing Strategic Location and major fault positions.

The high-resolution magnetic survey was an extremely effective tool that enhanced the magnetic signature of the Property (Figure 3).

Marvel Discovery Corp., Monday, June 13, 2022, Press release picture

Figure 3: Contrast of regional government magnetic data left with magnetic signatures of a high-resolution magnetic survey right.

Other magnetic products from the high-resolution survey define and enhance the various rock types and structural features consistent with orogenic gold occurrences and deposits of the Exploits Subzone (Figure 4).

Marvel Discovery Corp., Monday, June 13, 2022, Press release picture

Figure 4: Magnetic inversions left aid in defining discrete magnetic units and structural features with increased amplitude effects right defining various rock types by their magnetic intensity.

As a result of the study of the magnetic products from the high-resolution survey, a major sigmoidal shear is interpreted through the central part of the property. Six areas of high merit will be targeted for follow-up prospecting, mapping, and soil sampling. These areas are deemed to have a high rate of success for orogenic gold mineralization based on known mineralization and alteration styles adjacent to the Property, folded and sheared sediment rocks, predominant shear zones, and numerous minor faults. (Figure 5).

Marvel Discovery Corp., Monday, June 13, 2022, Press release picture

Figure 5: Interpreted location of the predominant shear zone in the central part of the Property, left, and the 6 areas of interest targeted for follow-up exploration, right.

Commentary

"The Gander East Project is a strategic land position for Marvel within the Central Newfoundland gold belt. The effectiveness of the high-resolution magnetic survey defines structural features that we know have been integral to the success of New Found Golds Queensway Project and the high-grade Keats Zone. Our robust magnetic dataset clearly enhances our structural and lithological understanding of the Property and vectors our next exploration phase to those areas of high merit for gold mineralization. Once the results of this next phase are received, Marvel will initiate an inaugural drill campaign", stated Karim Rayani, President & Chief Executive Officer, Director.

Qualified Person

Mr. Mike Kilbourne, P. Geo, an independent qualified person as defined in National Instrument 43-101, has reviewed and approved the technical contents of this news release on behalf of the Company.

About Marvel Discovery Corp.

Marvel, listed on the TSX Venture Exchange for over 25 years, is a Canadian based emerging resource company. The Company is systematically exploring its extensive property positions in:

  • Newfoundland (Slip, Gander North, Gander South, Victoria Lake, Baie Verte, and Hope Brook - Au Prospects)
  • Atikokan, Ontario (BlackFly - Au Prospect)
  • Elliot Lake, Ontario (East Bull - Ni-Cu-PGE Prospect)
  • Quebec (Duhamel -Ni-Cu-Co prospect & Titanium, Vanadium, and Chromium Prospect)
  • Prince George, British Columbia (Wicheeda North - Rare Earth Elements Prospect)

The Company's website is: https://marveldiscovery.ca/

ON BEHALF OF THE BOARD
Marvel Discovery Corp.
"Karim Rayani"
Karim Rayani
President/Chief Executive Officer, Director
Tel: 604 716 0551 email: k@r7.capital

Disclaimer for Forward-Looking Information:

Certain statements in this release are forward-looking statements which reflect the expectations of management. Forward-looking statements consist of statements that are not purely historical, including any statements regarding beliefs, plans, expectations, or intentions regarding the future. Forward-looking statements in this press release relate to, among other things: completion of the proposed Arrangement. Actual future results may differ materially. 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. There is no assurance any of the conditions for closing will be met. 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 the respective parties, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Readers should not place undue reliance on the forward-looking statements and information contained in this news release concerning these times. Except as required by law, the Company does not assume any obligation to update the forward-looking statements of beliefs, opinions, projections, or other factors, should they change, except as required by law

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.

SOURCE: Marvel Discovery Corp.



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Acquisition, Exploration and Development of Mineral Assets in Canada

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Dear Shareholders ,

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Highlights

- 650+ cycles with no capacity loss, proving exceptional material stability and long operational lifespan compared to conventional batteries

- Near 100% Coulombic efficiency, confirming minimal side reactions and strong intrinsic safety of sodium nickel chloride chemistry

- High energy efficiency of up to 92%, surpassing typical 70-80% levels of competing battery technologies

- Proven safety under extreme conditions - cells remained stable during overcharge, deep discharge, and thermal cycling up to 300 degC with no gassing, leakage, or rupture

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- Stable, efficient performance - achieved ~88% round-trip efficiency with no observable capacity fade over 110+ cycles

CELL PERFORMANCE

The CERENERGY(R) prototype cells have successfully completed over 650 charge-discharge cycles without any detectable capacity loss. Cycle life is a critical measure of battery durability, as most conventional batteries experience gradual degradation with every cycle. Achieving such performance highlights the outstanding stability of the materials and points to the potential for a long operational lifespan.

For stationary energy storage systems (ESS), this translates into fewer battery replacements, lower lifetime operating costs, and greater reliability for end users.

The cells also delivered nearly 100% Coulombic efficiency alongside an energy efficiency of up to 92% across 650 cycles. Coulombic efficiency reflects the proportion of charge recovered during discharge relative to what was supplied during charging. A value approaching 100% indicates minimal side reactions or parasitic losses, confirming the intrinsic stability and safety of sodium nickel chloride chemistry. This high efficiency demonstrates that the cells are not expending energy on unwanted processes such as electrode degradation. Such performance is vital for scalability, ensuring reliable, longterm operation in commercial energy storage applications.

Energy efficiency represents the proportion of energy delivered relative to the energy supplied. Competing technologies, including conventional high-temperature batteries and many flow batteries, typically achieve only around 70-80%. By reaching 92%, CERENERGY(R) positions itself in a highly competitive class, offering more cost-effective energy storage, stronger economics for grid operators, and seamless compatibility with the requirements of renewable energy integration.

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For grid operators and renewable integration projects, this combination of robust cycling capability, efficiency, and thermal stability underscores the ABS60's commercial readiness and competitive advantage in the stationary energy storage market.

These results are a strong confirmation of CERENERGY(R)'s technological leadership and a clear signal of the technology's competitiveness and robustness for future applications in energy storage and industrial markets.

Group Managing Director, Iggy Tan said "These results confirm CERENERGY(R)'s robustness and readiness for market adoption. Demonstrating long cycle life, high efficiency, and unmatched safety, we are now strongly positioned to deliver a competitive and sustainable alternative for grid and industrial energy storage."

*To view photographs, tables and figures, please visit:
https://abnnewswire.net/lnk/17QS44T3



About Altech Batteries Ltd:

Altech Batteries Limited (ASX:ATC,OTC:ALTHF) (FRA:A3Y) is a specialty battery technology company that has a joint venture agreement with world leading German battery institute Fraunhofer IKTS ("Fraunhofer") to commercialise the revolutionary CERENERGY(R) Sodium Alumina Solid State (SAS) Battery. CERENERGY(R) batteries are the game-changing alternative to lithium-ion batteries. CERENERGY(R) batteries are fire and explosion-proof; have a life span of more than 15 years and operate in extreme cold and desert climates. The battery technology uses table salt and is lithium-free; cobalt-free; graphite-free; and copper-free, eliminating exposure to critical metal price rises and supply chain concerns.

The joint venture is commercialising its CERENERGY(R) battery, with plans to construct a 100MWh production facility on Altech's land in Saxony, Germany. The facility intends to produce CERENERGY(R) battery modules to provide grid storage solutions to the market.

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