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GENM.TO ·

Generation Mining Awards EPCM Contract to Ausenco for the Marathon Copper-Palladium Project

Mine Development & Operations

Generation Mining Awards EPCM

Contract to Ausenco for the Marathon

Copper-Palladium Project

Toronto, Ontario – March 2, 2026 – Generation Mining Limited (“GENM” or the “Company”)

is pleased to announce the appointment of Ausenco Engineering Canada ULC (“Ausenco”)

as the Engineering, Procurement and Construction Management (“EPCM”) partner for the

Marathon Copper- Palladium Project (the “Project”) located in Northwestern Ontario.

Following a comprehensive evaluation and negotiation process, Ausenco was selected as

GENM’s EPCM partner based on its strong technical capabilities, proven project delivery

experience in Ontario, and alignment with GENM’s execution strategy and long -term

business objectives.

Ausenco demonstrated a clear understanding of the Project’s scope, risk profile, and value

drivers, while aligning closely with GENM’s priorities for disciplined capital management,

constructability, operational readiness, and responsible project developme nt. Ausenco

recently completed the updated Feasibility Study, and the quality of this work was a key

criteria as part of the selection for a key strategic partner in the execution phase and

contributed to GENM’s confidence in advancing the Project.

GENM and Ausenco engaged in a collaborative negotiation process, resulting in a

commercial and execution framework designed to achieve common objectives, including:

• Delivery certainty across scope, cost, and schedule

• Strong governance and reporting discipline

• Aligned outcomes for ensuring project success against the recently completed work

reviewed by our lenders

• Effective integration between the parties across engineering, procurement, and

construction management

• A shared commitment to safety, sustainability, and stakeholder engagement

“Ausenco distinguished itself as a partner that not only brings deep EPCM expertise but also

shares GENM’s commitment to a disciplined, transparent, and value -focused execution

model, ” said Clinton Swemmer, VP Projects. “We value Ausenco’s proven resilienc e in

difficult industry conditions and its strong understanding of execution requirements within

Ontario. We also appreciate the constructive and solutions -oriented approach taken

throughout the negotiation process. ”

"Being awarded the EPCM contract for the Project is a milestone we've been building toward

through every stage with GEN M. Working together through the feasibility update has only

deepened our confidence in what this partnership can achieve , ” said Dan Wilford, Vice

President Project Execution for Ausenco. “ Ontario has a proud history of delivering world-

class resource projects, and our regional and global execution team intend to bring that

same focus on innovation, resilience, and hard-won experience that has come to define the

integrated GENM and Ausenco project team. This is exactly the kind of project we like to

deliver. "

GENM and Ausenco will now advance into detailed design and execution readiness activities

under a Limited Notice to Proceed (“LNTP”) phase, during which the parties will finalize the

EPCM contract. These activities will progress in parallel with GENM’s ong oing project

financing process, with the intent of commencing field execution in the third quarter /fourth

of 2026, subject to financing and customary conditions.

Under the EPCM mandate, Ausenco will be responsible for detailed engineering,

procurement, construction management, and related project services supporting the

development and delivery of the Project.

This appointment represents a key milestone as GENM advances the Project toward the

execution phase.

About Ausenco

Ausenco is a global engineering, consulting and project delivery firm built for the minerals

and metals industry. With three decades of global experience, they work alongside clients

to navigate complex challenges from first study to final closure—across every phase, on

five continents. Deeply rooted in the minerals and metals industry, their people combine

technical depth, hands-on expertise, and hard-earned insight to deliver practical, forward-

thinking solutions that reduce risk and unlock value. (www.ausenco.com).

Qualified Person

The scientific and technical content of this news release has been reviewed and approved

by Daniel Janusauskas, P .Eng., Technical Services Manager of Generation PGM, and a

Qualified Person as defined under National Instrument 43-101 – Standards of Disclosure for

Mineral Projects.

About Generation Mining Limited

Generation Mining’s (TSX: GENM) focus is the development of the Marathon Project, a large

undeveloped copper-palladium deposit in Northwestern Ontario. The Marathon Property

covers a land package of approximately 36,398 hectares (364km2). Generation Mining is

dedicated to fostering a gr eener future by promoting sustainability, empowering

communities, and delivering value to our stakeholders.

The Feasibility Study (the “Technical Report”) with an effective date of November 1, 2024,

estimated a Net Present Value (using a 6% discount rate) of C$1.07 billion, an Internal Rate

of Return of 28%, and a 1.9 -year payback based on the 3 -yr trailing average metal prices at

the effective date of the Technical Report. Over the anticipated 13 -year mine life, the

Marathon Project is expected to produce approximately: 2,161,000 ounces of palladium,

532 million lbs. of copper, 488,000 ounces of platinum, 160,00 0 ounces of gold and

3,051,000 ounces of silver in payable metals. These production estimates and economic

projections are forward-looking statements subject to risks and uncertainties. For more

information, please review the Feasibility Study filed under the Company’s profile

at www.sedarplus.ca and available on the Company’s website

athttps://genmining.com/projects/feasibility-study/.

For further information, please contact:

Jamie Levy

President and Chief Executive Officer

(416) 640-2934 (O)

(416) 567-2440 (M)

[email protected]

[email protected]

Forward-Looking Information

This news release contains certain forward -looking information and forward- looking statements, as

defined in applicable securities laws (collectively referred to herein as “forward -looking statements”).

Forward-looking statements reflect current expectations or beliefs regarding future events or the

Company’s future performance. All statements other than statements of historical fact are forward -

looking statements. Often, but not always, forward -looking statements can be identified by the use of

words such as “plans” , “expects” , “is expected” , “budget” , “scheduled” , “estimates” , “continues” ,

“forecasts” , “projects” , “predicts” , “intends” , “anticipates” , “targets” or “believes” , or variations of, or the

negatives of, such words and phrases or state that certa in actions, events or results “may” , “could” ,

“would” , “should” , “might” or “will” be taken, occur or be achieved, including statements relating to the

proposed use of proceeds of the Private Placement, receipt of all regulatory approvals related to the

Private Placement, and the anticipated advancement of the Company’s Marathon Project.

Although the Company believes that the expectations expressed in such forward-looking statements are

based on reasonable assumptions, such statements are not guarantees of future performance and actual

results or developments may differ materially from those in the statements. There are certain factors that

c o u l d c a u s e a c t u a l r e s u l t s t o d i ff e r m a t e r i a l l y f r o m t h o s e i n t h e f o r w a r d-looking information. These

include the timing of the Offering and regulatory approval of the Offering; timing for a construction

decision; the progress of development at the Marathon Project, including progress of project expenditures

and contracting processes, the Company’s plans and expectations with respect to liquidity management,

continued availability of capital and financing, the future prices of palladium, copper and other

commodities, permitting timelines, exchange rates and currency fluctuations, increases in costs,

requirements for additional capital, and the Company’s decisions with respect to capital allocation,

inflation, global supply chain disruptions, global conflicts, the project schedule for the Marathon Project,

key inputs, staffing and contractors, continued availability of capital and financing, uncertainties involved

in interpreting geological data and the accuracy of mineral reserve and resource estimates, environmental

compliance and changes in environmental legislation and regulation, the Company’s relationships with

Indigenous communities, results from planned exploration and drilling activities, local access conditions

for drilling, and general economic, market or business conditions, as well as those risk factors set out in

the Company’ s annu al inf orma tion f orm f or the year ended December 31, 2024, and in the continuo us

disclosure documents filed by the Company on SEDAR+ at www.sedarplus.ca .

Readers are cautioned that the foregoing list of factors is not exhaustive of the factors that may affect

forward-looking statements. Accordingly, readers should not place undue reliance on forward -looking

statements. The forward-looking statements in this news release speak only as of the date of this news

release or as of the date or dates specified in such statements. The Company disclaims any intention or

obligation to update or revise any forward -looking information, whether as a result of new information,

future events or otherwise, other than as required by law. For more information on the Company, investors

are encouraged to review the Company’s public filings on SEDAR+ at www.sedarplus.ca .