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Cartier Starts Metallurgical Testwork Program at Cadillac

MWN-AI** Summary

Cartier Resources Inc. has initiated a significant metallurgical testwork program at its Cadillac Project in Val-d'Or, Quebec, partnering with Soutex, a specialized mineral processing firm. This program represents a pivotal step in advancing the Cadillac Project, aiming to define gold recovery rates, improve upon historical results from the Chimo deposit, and establish recovery data for the previously untested East Chimo and West Nordeau satellite deposits.

The program will generate essential metallurgical recovery data that will inform future engineering and economic studies while supporting the development of a comprehensive process flowsheet. Phil Cloutier, President and CEO, emphasized that understanding how mineralized material reacts to processing methods will help reduce capital and operating costs and enhance the project's environmental impact. The implications of these tests extend to the project's technical foundation, likely unlocking greater shareholder value.

Historically, the Chimo mine processed approximately 2.4 million tonnes of mineralized material with an average recovery of 90.6%. However, previous operators recorded fluctuations in recovery rates, sparking the need for updated metallurgical data, given that historical results are nearly 30 years old.

The testing involves generating representative composites from the three deposits and conducting cyanidation tests to evaluate gold recovery potential at different grind sizes. Additional analyses will define the mineralized material's grindability and predict its processing behavior.

Cartier's Cadillac Project, one of the largest consolidated land packages in the Val-d’Or mining camp, is expected to benefit greatly from this comprehensive metallurgical initiative, which complements ongoing exploration and environmental studies aimed at maximizing its value.

MWN-AI** Analysis

Cartier Resources Inc. (TSXV: ECR; FSE: 6CA) has recently embarked on an impactful metallurgical testwork program at its Cadillac Project, marking a significant advancement in the company's pursuit of unlocking shareholder value. The decision to contract Soutex, a specialized firm in mineral processing and metallurgy, reiterates Cartier's commitment to de-risking project development as it seeks to optimize gold recovery rates and establish new data for its satellite deposits.

Given the historical recovery rate from the Chimo deposit of approximately 90.6%, which has been influenced by outdated methodologies, this new program aims to surpass previous recovery benchmarks. With a focus on East Chimo and West Nordeau deposits lacking prior metallurgical data, the insights gathered will be critical. The program's objectives—defining expected recovery rates, improving upon historical results, and supporting an integrated process flowsheet—position Cartier to significantly enhance project economics.

Investors should consider the strategic implications of this program. The generation of updated, high-quality recovery data will serve as a foundation for accurate economic modeling and guide future trade-off studies, potentially leading to reduced capital and operating costs. The company's ongoing 100,000-meter drill program complements these efforts, suggesting robust exploration and resource confirmation.

Furthermore, with gold prices hovering around US$1,750/oz, Cartier's Preliminary Economic Assessment indicates viable production potential, including significant indicated and inferred resources. The presence of established infrastructure within the Cadillac mining camp adds layers of logistical efficiency, further cementing Cartier's competitive edge.

In summary, the metallurgical program's outcomes could bolster investor confidence and trigger positive market sentiment. Analysts and stakeholders should closely monitor test results and subsequent project developments, as they will be pivotal in determining Cartier's trajectory in a consistently evolving gold market. Investing in Cartier now may well offer early exposure to a potentially transformative phase in the company's growth.

**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.

Source: GlobeNewswire

VAL-D’OR, Quebec, Sept. 30, 2025 (GLOBE NEWSWIRE) -- Cartier Resources Inc. (? Cartier ? or the ? Company ?) (TSXV: ECR; FSE: 6CA) is pleased to announce it has awarded the contract to Soutex, a firm specializing in mineral processing and metallurgy, to carry out the first advanced and comprehensive metallurgical sampling and testwork program for the Main Sector of its Cadillac Project.

Key Objectives of the Program

  • Defining expected gold recovery rates and improving upon historical results from the Chimo deposit.
  • Establishing first-time metallurgical recovery data for the East Chimo and West Nordeau satellite deposits, where no previous data exists.
  • Supporting the development of an integrated process flowsheet .
  • Providing critical data for future trade-off studies to guide project development.

" The metallurgical program represents a critical de-risking milestone to advance the development of the Cadillac Project. By understanding how the mineralized material responds to conventional processing methods, we can define the most efficient and cost-effective flowsheet. This has the potential to significantly reduce both capital and operating costs, while also improving our environmental footprint. The data generated will directly support optimized project development and enhance our economic models. In short, these test results will strengthen the technical foundation of the project and help unlock greater shareholder value . " – Philippe Cloutier, President and CEO of Cartier.

" Following the recent launch of baseline environmental studies, we’re pleased to advance the Cadillac Project with the initiation of our first modern metallurgical test program. With historical data now nearly 30 years old, it was essential for Cartier to generate updated, high-quality data that reflects current standards. This comprehensive program will characterize the mineralized material, gold recovery potential, and validate optimal grind size (key inputs for future engineering and economic studies). Combined with our ongoing 100,000-metre drill program, these initiatives position us to unlock the full value of the Cadillac Project. " – Ronan Deroff, Vice President Exploration of Cartier.

Historical Production Recovery (source: MRNF DV 85-05 to DV 97-01 + internal company reports)

The mineralized material from the Chimo mine (Chimo deposit) was processed by 3 different producers: Chimo Gold Mines (1966-67), Louvem (1984-1989) and Cambior (1989-1997). The flowsheet was focused on gravity separation, flotation and cyanidation of flotation concentrate. Records show that from 1966 through 1997, approximatively 2.4 million tonnes of mineralized material have been processed. During the 15-year period production, the historical average recovery was 90.6% of the contained gold. These numbers appear to underestimate the deposit and should be able to improve, since the first two operators of the Chimo mine (Chimo Gold Mines and Louvem) had good extraction results, around 94%, while the last production period by Cambior showed a significant drop in recoveries with only 89% of the contained gold.

There is no metallurgical information available for the other deposits of the Main Sector like East Chimo and West Nordeau deposits.

Methodology of the Metallurgical Testwork Program

To achieve the program objectives, the testwork will be conducted on NQ-size half-drill core intervals spatially selected to be representative of both the type of mineralization and the average head grade of the resource. A total of 6 composites for 300 kg from the three deposits (Chimo, East Chimo and West Nordeau) will be generated including two 50 kg-composites for each deposit. The composites will be assembled by Cartier geologists.

All composites of the three deposits will be subject to cyanidation tests at three different grind sizes. After these tests, gravimetric concentration separation followed by a cyanide destruction tests of the gravity tails will be done at the grind size showing the best results. In addition to the metallurgical program, comminution test, as well as chemical and mineralogical characterization, will also be performed to define the grindability of the mineralized material and predict his behaviour in the process.

Qualified Person

The scientific and technical content of this press release has been prepared, reviewed and approved by Mr. Ronan Déroff, P.Geo., M.Sc., Vice President Exploration, who is a ?Qualified Person? as defined by National Instrument 43-101 – Standards of Disclosure for Mineral Projects (?NI 43-101?).

About Soutex

Soutex is a consulting firm in mineral processing and metallurgy that offers specialized services, from the initial stages of development on paper to the daily operations of the processing plant. Their designs stem from their solid experience in providing plant operations support. This support is based on their knowledge of fundamental ore processing principles and their in-plant experience. Founded in 2000 and having offices in Canada (Quebec and Longueuil) and Germany (Munich), Soutex comprises more than 40 metallurgists, process engineers, and technicians, making it one of the largest groupings of specialists in the field in Canada. Services have been offered to clients located across Canada and abroad (West Africa, United States, Finland, New Caledonia, Suriname, and Madagascar).

About Cadillac Project

The Cadillac Project, covering 14,000 hectares along a 15-kilometre stretch of the Cadillac Fault, is one of the largest consolidated land packages in the Val-d’Or mining camp. Cartier’s flagship asset integrates the historic Chimo Mine and East Cadillac projects, creating a dominant position in a world class gold mining district. With excellent road access, year-round infrastructure and nearby milling capacity, the project is ideally positioned for rapid advancement and value creation.

Using a gold price of US$1,750/oz, a Preliminary Economic Assessment demonstrated the economic viability of a 2-km segment, compared to the 15 km that will be the subject of the 100,000 m drilling program, with an average annual gold production of 116,900 oz over a 9.7-year mine life. Indicated resources are estimated at 720,000 ounces (7.1 million tonnes at 3.1 g/t Au) and inferred resources at 1,633,000 ounces (18.5 million tonnes at 2.8 g/t Au). Please see the NI 43-101 ?Technical Report and Preliminary Economic Assessment for Chimo Mine and West Nordeau Gold Deposits, Chimo Mine and East Cadillac Properties, Quebec, Canada, Marc R. Beauvais, P.Eng., of InnovExplo Inc., Mr. Florent Baril of Bumigeme and Mr. Eric Sellars, P.Eng. of Responsible Mining Solutions? effective May 29, 2023.

About Cartier Resources Inc.

Cartier Resources Inc., founded in 2006 and headquartered in Val-d’Or (Quebec) is a gold exploration company focused on building shareholder value through discovery and development in one of Canada’s most prolific mining camps. The Company combines strong technical expertise, a track record of successful exploration, and a fully funded program to advance its flagship Cadillac Project. Cartier’s strategy is clear: unlock the full potential of one of the largest undeveloped gold landholdings in Quebec.

For further information, contact:
Philippe Cloutier, P. Geo.
President and CEO
Telephone: 819-856-0512
philippe.cloutier@ressourcescartier.com
www.ressourcescartier.com

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


FAQ**

How will the advanced metallurgical sampling program impact the projected gold recovery rates for Cartier Resources Inc. ECR:CC, especially in comparison to historical results from the Chimo deposit?

The advanced metallurgical sampling program is expected to enhance projected gold recovery rates for Cartier Resources Inc. ECR:CC by providing more accurate data to optimize processing techniques, potentially surpassing the historical results from the Chimo deposit.

What specific benefits does Cartier Resources Inc. ECR:CC expect to gain from establishing first-time metallurgical recovery data for the East Chimo and West Nordeau satellite deposits?

Cartier Resources Inc. expects to enhance the economic viability and attractiveness of the East Chimo and West Nordeau satellite deposits by establishing first-time metallurgical recovery data, which can aid in optimizing processing methods and improving resource estimates.

Can you elaborate on the role of Soutex in the metallurgical program and how their expertise could influence the outcomes for Cartier Resources Inc. ECR:CC's Cadillac Project?

Soutex's expertise in metallurgy will be crucial for Cartier Resources Inc.'s Cadillac Project, as it can enhance the understanding of material characteristics and optimize recovery processes, potentially improving the project's economic viability and overall success.

How does Cartier Resources Inc. ECR:CC plan to utilize the data obtained from this metallurgical testwork program in future engineering and economic studies for the Cadillac Project?

Cartier Resources Inc. ECR:CC plans to leverage the metallurgical testwork data to enhance the accuracy of engineering designs and improve economic assessments, ultimately optimizing the development strategies for the Cadillac Project.

**MWN-AI FAQ is based on asking OpenAI questions about Cartier Resources Inc. (TSXVC: ECR:CC).

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