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EraNova Metals Files NI 43-101 Technical Report Supporting Updated Preliminary Economic Assessment for the Adanac Molybdenum Project Technical report confirms the PEA results announced

Resource Estimates Technical Reports (NI 43-101) Economic Studies

EraNova Metals Files NI 43-101 Technical

Report Supporting Updated Preliminary

Economic Assessment for the Adanac

Molybdenum Project

Technical report confirms the PEA results announced August

6, 2026, including an after-tax NPV of C$714.7 million and

23.5% IRR at a base case price of US$25.00 per pound

molybdenum

Vancouver, British Columbia--(Newsfile Corp. - September 15, 2026) - EraNova Metals Inc. (TSXV:

NOVA) (OTCQB: STXPF) ("

EraNova

" or the "

Company

") announces that it has filed an independent NI

43-101 technical report titled

"Preliminary Economic Assessment, NI 43-101 Technical Report, for the

Adanac Molybdenum Project in Northwestern British Columbia, Canada"

with an effective date of

August 6, 2026 (the "

Technical Report

"), in support of the updated Preliminary Economic Assessment

("

PEA

") and the updated Mineral Resource Estimate ("

MRE

") for its 100% owned Adanac Molybdenum

Project ("

Adanac

" or the "

Project

"), the results of which were announced on August 6, 2026.

The Technical Report was prepared by Tetra Tech Canada Inc. ("

Tetra Tech

") and replaces the

Company's March 2022 mineral resource estimate. The Technical Report has been filed under the

Company's profile on SEDAR+ (

www.sedarplus.ca

) and is also available on the Company's website.

The Technical Report formalizes the disclosure made in the August 6, 2026 news release and does not

contain any material differences from the results disclosed in the news release.

Summary of PEA Results

The following is a summary of the PEA results announced on August 6, 2026, now supported by the filed

Technical Report.

See August 6, 2026 news release for further information.

Strong Economics, Sensitivity to Molybdenum Price:

Robust economics under both the base

case and current spot molybdenum price assumptions. Key unleveraged economic results are

summarized below.

Table 1 - Adanac Molybdenum Project PEA Pre-Tax and After-Tax Economic Results Summary

Molybdenum Price (US$/lb Mo)

US$25.00/lb¹- Base Case

US$31.91/lb - Spot Price

2

Pre-Tax NPV @ 8%

C$1,201.2M

C$2,105.8M

Pre-Tax IRR

30.8%

38.9%

After-Tax NPV @ 8%

C$714.7M

C$1,292.2M

After-Tax IRR

23.5%

30.2%

After-Tax NPV / CAPEX

75%

136%

1

LOM average

2

Molybdenum spot price as of July 29, 2026 (USD:CAD 1.00:1.39).

3

Project economics are presented on an unlevered basis and do not assume project debt or other financing arrangements

Mine Life and Production:

A 24-year mine life, averaging 11.4 million pounds of molybdenum

produced annually and 270.1 million pounds of payable molybdenum over the life of mine. Cash

costs of C$17.48/lb Mo and AISC¹ of C$19.79/lb Mo. After-tax payback of 2.6 years at the base

case.

Capital Efficiency:

Initial capital of C$953.3 million, including C$120.7 million contingency,

supports the development of a 30,000 tpd operation.

De-Risked Foundation:

More than C$100 million of historical infrastructure investment,

established road access and a previously issued Environmental Assessment Certificate provide

an advanced development foundation.

Approximately 93% Measured and Indicated:

61.7 million pounds Measured at 0.072% Mo

and 374.1 million pounds Indicated at 0.048% Mo, for a combined Measured and Indicated

resource of 435.7 million pounds at 0.051% Mo, with a further 71.0 million pounds Inferred at

0.042% Mo.

Dual-Track Optionality:

The Atlin Discovery Project provides district-scale polymetallic

exploration upside beyond the Adanac development case.

¹ AISC is a non-GAAP measure. Non-GAAP financial measures are presented for additional information and benchmarking purposes only.

See "Use of Non-GAAP Financial Measures" below.

"For the first time since 2008, we have an independent study confirming Adanac as a large-scale, long-

life primary molybdenum development project with an after-tax NPV of C$714.7 million, a 23.5% IRR and

a clear path to feasibility," said Meredith Eades, President and CEO of EraNova Metals. "This isn't a

typical greenfield project: decades of drilling, engineering, permitting, and early construction give

Adanac a real head start. Good projects attract good people, good partners, and good capital, and filing

this report keeps that momentum going as we advance feasibility and continue the environmental

assessment."

The PEA is preliminary in nature. It includes Inferred Mineral Resources that are considered too

speculative geologically to have economic considerations applied to them that would enable them to be

categorized as mineral reserves. There is no certainty that the PEA will be realized. Mineral resources

that are not mineral reserves do not have demonstrated economic viability.

Explore the Adanac Mine Plan

To accompany the filing of the Technical Report, EraNova has launched an interactive visualization of the

conceptual mine plan presented in the PEA, allowing investors to explore key elements of the proposed

Project layout and development plan.

https://immersiveexplorers.com/PEAmodel/viewer/terrain-viewer.html?data=../pea-model-

data/ruby-creek

The visualization depicts conceptual elements of the mine plan presented in the PEA and is provided

for illustrative purposes only. Certain design elements, dimensions, locations and assumptions shown

may be preliminary, simplified or subject to further engineering confirmation and refinement. The

PEA is preliminary in nature, and there is no certainty that its conclusions will be realized.

Development Path

Following the filing of the Technical Report, EraNova intends to initiate a Feasibility Study while

advancing the environmental assessment process and the permits required to support future Project

development. The Company will continue to evaluate opportunities to advance the Project through

strategic partnerships, government-supported critical mineral initiatives, and engagement with potential

customers and other industry participants.

Use of Non-GAAP Financial Measures

Certain financial measures referred to in this news release are not measures recognized under IFRS

and are referred to as non-GAAP financial measures. These measures have no standardized meaning

under IFRS and may not be comparable to similar measures presented by other companies. As Adanac

is not in production, the Company does not have historical non-GAAP financial measures nor historical

comparable measures under IFRS, and therefore these prospective non-GAAP financial measures may

not be reconciled to the nearest comparable measures under IFRS. The data presented is intended to

provide additional information and should not be considered in isolation or as a substitute for measures

of performance prepared in accordance with IFRS.

All-in Sustaining Costs (AISC):

AISC per pound of molybdenum includes cash costs plus sustaining

capital, sustaining exploration, and site-level closure costs, divided by payable molybdenum pounds.

Growth capital, corporate G&A, financing costs, and income taxes are excluded.

Qualified Persons

The scientific and technical information contained in this news release has been reviewed and approved

by Clive Aspinall, M.Sc., P.Geo., who is a Qualified Person ("QP") as defined by National Instrument 43-

101 - Standards of Disclosure for Mineral Projects ("NI 43-101") and is independent of the Company.

The Technical Report was prepared by Tetra Tech Canada Inc., whose Qualified Persons are

independent of EraNova and the Project and have reviewed and approved the technical and scientific

information contained in this news release.

About EraNova Metals

EraNova Metals is a Canadian mineral exploration company focused on advancing precious and base

metal projects across western Canada.

The Company's flagship asset is the Ruby Creek Property, a 29,700-hectare land package near Atlin,

BC that hosts both the Adanac Molybdenum Project, a development-stage deposit with historic

feasibility, and the Atlin Discovery Project, an emerging pipeline of high-grade gold, silver, copper, and

tungsten zones.

EraNova also holds two additional 100%-owned assets: the Big Ledge Zinc-Lead Project, located 57

km south of Revelstoke, BC, and the South Thompson Nickel Project in west-central Manitoba.

For further information on EraNova, visit our website at

www.eranovametals.com

or contact:

Meredith Eades

President & CEO

[email protected]

604.360.4668

Twitter

|

LinkedIn

|

YouTube

-

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.

Cautionary Note Regarding Forward-Looking Statements

This news release contains certain forward-looking statements within the meaning of applicable

Canadian securities laws. Forward-looking statements include, but are not limited to, statements

regarding the future or estimated financial and operational performance of the Project under the PEA

including estimated NPV, IRR, AISC, LOM and other costs and economic information; the estimated

amount and grade of mineral resources at the Project; precious metals prices; the PEA representing a

viable development option for the Project; the timing and particulars of the development phases as

identified in the PEA; mining methods and extraction techniques; the advancement of permitting

initiatives at the Project; the Company's ongoing metallurgical assessment; the advancement of

exploration targets; and the Company's exploration, development and strategic plans.

Forward-looking statements are based on a number of assumptions believed by management to be

reasonable at the time such statements are made, including assumptions regarding the availability of

financing; tonnage to be mined and processed; grades and recoveries; the completion of planned

exploration and metallurgical work; the receipt of required permits and regulatory approvals;

favourable market conditions; reliability of the MRE and the assumptions upon which it is based;

future operating costs; prices for energy inputs, labour, materials, supplies and services (including

transportation); the availability of skilled labour and no labour related disruptions at any of the

Company's operations; no unplanned delays or interruptions in scheduled production; performance of

available laboratory and other related services; and the Company's ability to execute its exploration

and development plans.

Actual results may differ materially from those expressed or implied by such forward-looking

statements due to a variety of risks and uncertainties, including, without limitation, fluctuations in

molybdenum prices; fluctuations in prices for energy inputs, labour, materials, supplies and services

(including transportation); fluctuations in currency markets; operational risks and hazards inherent with

the business of mining (including environmental accidents and hazards, industrial accidents,

equipment breakdown, unusual or unexpected geological or structural formations, cave-ins, flooding

and severe weather); risks relating to the credit worthiness or financial condition of suppliers, refiners

and other parties with whom the Company does business; inadequate insurance, or inability to obtain

insurance, to cover these risks and hazards; employee relations; relationships with, and claims by,

local communities and indigenous populations; the ability to obtain all necessary permits, licenses

and regulatory approvals in a timely manner; changes in laws, regulations and government practices;

changes in national and local government, legislation, taxation, controls or regulations and political,

legal or economic developments, including legal restrictions relating to mining and risks relating to

expropriation; increased competition in the mining industry for equipment and qualified personnel;

and general economic, market and business conditions.

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

reasonable, it can give no assurance that they will prove to be correct. Readers are cautioned not to

place undue reliance on forward-looking statements, which speak only as of the date of this news

release. EraNova undertakes no obligation to update or revise any forward-looking statements, except

as required by applicable securities laws.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/314378