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MetalQuest Mining Selects AtkinsRéalis to Conduct a Gap Analysis for the Lac Otelnuk Iron Ore Project

Corporate Updates

MetalQuest Mining TSX-V: MQM OTCQB:MQMIF

Field Office: 59 Burtch’s Lane, Rockport, ON, Canada, K0E 1V0 [email protected]

+1.613. 659.2773 www.metalquestmining.com

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MetalQuest Mining Selects AtkinsRéalis to Conduct a Gap Analysis for

the Lac Otelnuk Iron Ore Project

June 25th, 2025 - Rockport, Ontario –Further to our press release date April 15, 2025

MetalQuest Mining Inc. (TSXV: MQM) (“MetalQuest” or the “Company”) is pleased to

announce that, following a competitive evaluation process involving several top-tier engineering

firms, the Company has selected AtkinsRéalis as the lead engineering firm to work with MQM to

complete the next phase of work on the Lac Otelnuk Iron Ore Project, located in Nunavik,

Northern Québec.

About AtkinsRéalis and the Go-Forward Plan

AtkinsRéalis, a world-class engineering services and nuclear company with extensive experience

in large-scale mining and infrastructure development, has been awarded the mandate to lead a

comprehensive Gap Analysis of the historic 2015 Feasibility Study (“FS”) for the Lac Otelnuk

Iron Ore Project. This foundational work will identify areas requiring updates to align the FS

with current market dynamics, regulatory frameworks, engineering best practices, and

environmental standards.

Previous project owners invested approximately $120 million in resource delineation and the

original FS. MQM intends to build on this substantial technical foundation through a cost-

effective and targeted approach. By commissioning a series of focused technical reviews and

mini-studies, the Company aims to chart a clear and modern development pathway for the future

development of Lac Otelnuk, one that supports the production of high-purity DR-grade pellets

and/or Hot Briquetted Iron (HBI) in line with global demand for low-emissions steelmaking

feedstocks.

Chairman and CEO Harry Barr states, “We are pleased to work with AtkinsRéalis, whose

technical depth and northern project experience make them an ideal partner for this next phase of

Lac Otelnuk. Their mandate will begin with a detailed Gap Analysis, identifying what

workstreams need to be updated or expanded from the previous studies. This is not just about

cost—it’s about vision, innovation, and long-term alignment. We want a partner who

understands how to build a mine of the future, one that meets the demands of the green

steel economy, respects the environment, the local communities and their culture.”

The Lac Otelnuk Project is one of the largest undeveloped iron ore resources in North America,

supported by a historic 2015 FS prepared in accordance with NI 43-101. However, the resource

MetalQuest Mining TSX-V: MQM OTCQB:MQMIF

Field Office: 59 Burtch’s Lane, Rockport, ON, Canada, K0E 1V0 [email protected]

+1.613. 659.2773 www.metalquestmining.com

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and reserve estimates are not treated as current, as a qualified person has not verified them since

the project’s acquisition. With increasing global demand for high-purity iron ore and the

shift toward green steel production, MQM is focused on advancing Lac Otelnuk as a

strategic critical minerals asset.

Gap Analysis

The GAP Analysis by AtkinsRéalis is expected to commence immediately and will focus on

identifying areas of the 2015 FS that require re-evaluation due to technological

advancements, regulatory changes, or economic shifts. Upon completion of the Gap Analysis,

a series of focused technical reviews and mini studies will be conducted, leading to a

Prefeasibility Study (PFS) and subsequently an updated Feasibility Study (FS).

"We are honored to have been chosen by MQM to lead the next phase of the Lac Otelnuk Iron

Ore Project," said Dominic Tremblay, Vice-President & Market Lead, North America, Minerals

and Metals at AtkinsRéalis. "Our team is committed to advancing this key critical mineral asset.

We are eager to leverage our comprehensive experience in large-scale mining and

infrastructure development to support the project. The production of high-purity DR-grade

pellets and Hot Briquetted Iron is crucial for meeting the global demand for low-emissions

steelmaking feedstocks. We look forward to working closely with MQM to help them

achieve their objectives."

Highlights of the Historic Mineral Resource Estimate and 2015 Feasibility Study

To learn more about the 2015 Historic Mineral Resource Estimate and Historic 2015 Feasibility study,

please refer to May 16th, 2023 press release. https://metalquestmining.com/news/metalquest-mining-

lac-otelnuk-iron-ore-project-overview/

MetalQuest Mining TSX-V: MQM OTCQB:MQMIF

Field Office: 59 Burtch’s Lane, Rockport, ON, Canada, K0E 1V0 [email protected]

+1.613. 659.2773 www.metalquestmining.com

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Figure 1: A map of the Labrador Trough (in grey shade) and the location of the Lac Otelnuk Iron Ore Project

About MetalQuest Mining

MetalQuest Mining (MQM) owns a 100% of Otelnuk and is further looking to develop one of

the largest Iron ore projects in North America. The Lac Otelnuk Iron Ore Project is located in

Quebec’s Labrador Trough and is approximately 165 km by air northwest of the Town of

Schefferville, and 1200 km northeast of Montreal by air. The Quebec government has recently

transferred the claims into MQM’s name and management is accumulating a vast amount of

technical data as approximately $150 million has been expended on the project to date. Going

forward, one of our primary objectives will be to continue to work with Naskapi First Nation of

Kawawachikamach with whom we have an Exploration and Pre-Development Agreement as of

November 2023. In June 2025, MQM signed the agreement with AtkinsRéalis, a world-class

engineering services and nuclear company with offices around the world to conduct a

comprehensive Gap Analysis of the historic 2015 FS for the Lac Otelnuk Iron Ore Project.

The new studies will identify areas requiring updates to align the historic 2015 Feasbility Study

with current market dynamics, regulatory frameworks, engineering best practices, and

environmental standards. MQM’s management is continuing to develop its in-house Iron ore

database to enable the Company to secure an Option/Joint Venture partner from the Iron ore

industry.

MetalQuest Mining TSX-V: MQM OTCQB:MQMIF

Field Office: 59 Burtch’s Lane, Rockport, ON, Canada, K0E 1V0 [email protected]

+1.613. 659.2773 www.metalquestmining.com

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The Company owns ~2.2 million shares and 2.5 million warrants of Canadian Copper (CCI) and

two NSR royalties totaling 1% in Murray Brook PEA Stage Zinc-Polymetallic Deposit, situated

in the famous Bathurst Mining District, New Brunswick, Eastern Canada. Canadian Copper Inc

(CCI) has the right to purchase half of a 0.33% royalty for $1 million dollars and must pay MQM

a pre- production cash payment of $1 million after the project goes into production. The

Company is apparently completing a Preliminary Economic Assessment (PEA) on processing

the Murray Brook deposit at the Caribou Processing Complex. Release date is expected in the

first half of 2025.

Investors are invited to visit the MetalQuest Mining website

at www.metalquestmining.com where they can review the company and its corporate activities.

Any questions or comments can be directed to Harry Barr at [email protected] or Farid

Mammadov at [email protected] or call 613 659 2773.

Opt-in List

If you have not done so already, we encourage you to sign up on our website

(www.mqmining.com) to receive our updated news.

On behalf of the Board of Directors

“Harry Barr”

Harry G. Barr

Chairman and CEO

Neither the 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 State ments: This release contains

forward-looking statements that involve risks and uncertainties. These statements may differ

materially from actual future events or results and are based on current expectations or beliefs.

For this purpose, statements of hist orical fact may be deemed to be forward -looking statements.

In addition, forward-looking statements include statements in which the Company uses words such

as “continue”, “efforts”, “expect”, “believe”, “anticipate”, “confident”, “intend”, “strategy”,

“plan”, “will”, “estimate”, “project”, “goal”, “target”, “prospects”, “optimistic” or similar

expressions. These statements by their nature involve risks and uncertainties, and actual results

MetalQuest Mining TSX-V: MQM OTCQB:MQMIF

Field Office: 59 Burtch’s Lane, Rockport, ON, Canada, K0E 1V0 [email protected]

+1.613. 659.2773 www.metalquestmining.com

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may differ materially depending on a variety of important factors, including, among others, the

Company’s ability and continuation of efforts to timely and completely make available adequate

current public information, additional or different regulatory an d legal requirements and

restrictions that may be imposed, and other factors as may be discussed in the documents filed by

the Company on SEDAR (www.sedar.com), including the most recent reports that identify

important risk factors that could cause actual results to differ from those contained in the forward-

looking statements. The Company does not undertake any obligation to review or confirm analysts’

expectations or estimates or to release publicly any revisions to any forward -looking statements

to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated

events. Investors should not place undue reliance on forward-looking statements.