Friday, September 18, 2026
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CTM.V ·

News release

Exploration Programs

Suite 1050, 400 Burrard St

Vancouver, British Columbia

V6C 3A6 Canada

e: [email protected]

p: +1 (604) 687-6644

w: canterraminerals.com

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CANTERRA LAUNCHES FULLY FUNDED 15,000 METRE DISCOVERY-FOCUSED DRILL PROGRAM IN

NEWFOUNDLAND

Vancouver, B.C. ( February 18, 2026) – Canterra Minerals Corporation (TSXV: CTM) (OTCQB: CTMCF) (FSE: DXZB)

(“Canterra” or the “Company”) is entering a high-impact discovery phase in 2026 with the launch of a fully funded,

up to 15,000- metre diamond drill program across its 100% -owned projects in central Newfoundland. Drilling has

commenced at the Company’s Buchans Project, one of the world’s most prolific past -producing high -grade VMS

districts, where modern deep-seeking geophysics has generated multiple untested targets.

The 2026 campaign marks a transition from target generation to systematic drill testing across three areas: (i) drill-

test high -priority targets at Buchans identified by modern deep -seeking geophysics and integrated geological

modelling, (ii) prioritiz e selective follow-up drilling across Canterra’s broader Victoria Lake Supergroup (“VLSG”)

portfolio, as potential satellite deposits to the Buchans Project; and (iii) advance gold targets at the Wilding Gold

Project along the same structural corridor that hosts Equinox Gold’s producing Valentine Mine.

2026 Program Highlights:

Up to 15,000 metres of fully funded diamond drilling across Buchans, the Victoria Lake Supergroup portfolio and

Wilding:

• Buchans (~5,000m planned): 2,000m winter program has commenced, targeting 3DIP anomalies and

structural corridors prospective for Buchans -style massive sulphide mineralization, plus expansion drilling

at the Lundberg deposit and Two Level zone. Additional ~3,000m follow-up testing later in 2026.

• VLSG Portfolio (up to ~5,000m): Belt -wide target ranking across multiple VMS deposits (Bobbys Pond,

Daniels Pond, Boomerang, Lemarchant, Long Lake & Tulks deposits) and prospects to prioritize 2026

prospecting, geophysics, and targeted diamond drilling.

• Wilding Gold Project (~5,000m planned): Initial field program consisting of ~250 percussion drill holes (basal

till and top-of-bedrock sampling) has commenced along the 55 km Valentine structural trend, with follow -

up diamond drilling scheduled for H2 2026.

Chris Pennimpede, President and CEO of Canterra, commented : “2026 marks the beginning of a true discovery -

driven phase for Canterra. At Buchans, winter drilling is already underway as we apply modern deep- seeking

geophysics to one of the world’s most prolific high-grade VMS districts and systematically test targets that previous

operators could not effectively evaluate at depth.

In parallel, we are advancing our Wilding gold Project along the same structural corridor that hosts the producing

Valentine Mine, where we control a 55 -kilometre extension of this gold -bearing trend. Our Q1 –Q2 program is

designed to refine and prioritize targets ahead of diamond drilling in the second half of the year.

With a fully funded 15,000- metre program and successive drill results anticipated throughout 2026, we believe we

are positioned to demonstrate the broader district-scale potential of our Newfoundland land package.”

2026 Exploration Program Overview

Buchans Project – Winter drilling underway; follow-up on 3D induced polarization results and integrated targeting

Objective: Advance discovery and resource growth potential at Buchans by drill -testing high -priority targets

generated from the Company’s 2025 deep -seeking 3DIP program and subsequent integrated interpretation. In

addition, Canterra intends to undertake additional drilling for resource expansion at the Lundberg deposit and at

the high-grade Two-Level zone as follow-up to positive drilling results achieved in 2025.

2026 work program – Buchans project:

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• Approximately 5,000 metres of drilling, beginning with an initial ~ 2,000 metre winter program currently in

progress at the West Clementine target (Figure 1).

• Winter drilling will test priority targets interpreted from 3DIP chargeability/resistivity responses, integrated

with geology, structure, historical drilling, and ongoing targeting work to refine vectors toward Buchans -

style massive sulphide mineralization.

• Results from the winter program will be used to update target rankings and refine follow-up drill plans later

in 2026.

Figure 1. Buchans Project: 2026 winter drilling plan a nd resistivity plan map (200 m depth slice) with resistivity

isoshells. Red lines outline previously mined deposits and areas of known mineralization projected vertically to

surface.

Victoria Lake Supergroup portfolio – Target Ranking

Objective: Unlock additional discovery and expansion potential across Canterra’s consolidated VMS land package by

systematically ranking and drill -testing the highest -priority deposits and prospects within the Victoria Lake

Supergroup. The 2026 program is designed to focus capital on targets with the strongest geological indicators for

Buchans-style massive sulphide mineralization and resource growth within a proven, district -scale mining belt.

2026 work program – Victoria Lake Supergroup portfolio:

• Belt-wide target ranking initiative across VLSG deposits and prospects, including Boomerang, Lemarchant,

Long Lake, Tulks, Daniels Pond, Bobby’s Pond, and additional prospects (Figure 2).

• Develop a prioritized list of field activities, including prospecting, ground geophysics, and drill targeting.

• Anticipate up to ~ 5,000m of targeted diamond drilling, focused on the highest -ranked opportunities for

discovery and/or expansion.

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Figure 2. VLSG Portfolio and Canterra Minerals projects with key geology units and known mineral occurrences.

Wilding Project – Q1 basal till and top-of-bedrock drilling to build drill-ready gold targets

Objective: Advance district-scale gold discovery potential along the 55-kilometre structural corridor contiguous with

the producing Valentine Mine by refining and prioritizing high- confidence bedrock targets for diamond drill testing

in 2026. The program is designed to systematically vector toward structurally controlled orogenic gold mineralization

along an underexplored extension of a proven gold-bearing trend.

2026 work program – Wilding Project

• A combined basal till and top-of-bedrock percussion drilling program has commenced (Figure 3).

• Phase 1 is expected to include ~250 percussion drill holes , focusing on priority areas that are proximal to

known gold occurrences and gold-bearing regional structures including areas recently returning favourable

results from 2025 drilling (news release dated January 20, 2026).

• The program is designed to identify coherent gold- in-till patterns and multi -element vectors to help

prioritize follow-up work and define the strongest bedrock targets for drilling.

• Subject to results, additional basal till sampling may be completed later in 2026 to expand coverage or

tighten spacing over emerging trends.

• Anticipates follow-up diamond drilling of approximately ~5,000m in the summer/fall on the highest-priority

targets, along with prospecting and mapping across the broader property.

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Figure 3. Wilding Project: Phase 1 bas e-of-till (BOT) and top -of-bedrock (TOB) drilling plan area. Magnetics Tilt

Derivative as basemap.

Regional Context

Canterra’s central Newfoundland land position provides optionality across multiple commodity exposures and

deposit styles, supported by year -round access corridors, established mining communities, and proximity to key

infrastructure.

Newfoundland and Labrador Junior Exploration Assistance

Canterra would like to acknowledge financial support it may receive from the Government of Newfoundland and

Labrador’s Junior Exploration Assistance Program related to completion of portions of its 2026 exploration

activities.

Qualified Person

Paul Moore, MSc., P.Geo. (NL), Vice President of Exploration for Canterra Minerals Corporation, a Qualified Person

within the meaning of National Instrument 43-101, has reviewed and approved the technical disclosure in this news

release.

About Canterra Minerals

Canterra is a diversified minerals exploration company focused on critical minerals and gold in central

Newfoundland. The Company’s projects include seven mineral deposits located in close proximity to the world -

renowned, past-producing Buchans Mine and Teck Resources’ Duck Pond Mine, which collectively produced copper,

zinc, lead, silver and gold. Several of Canterra’s deposits support current and historical Mineral Resource Estimates

prepared in accordance with National Instrument 43 -101 and the Canadian Institute of Mining, Metallurgy, and

Petroleum Definition Standards for Mineral Resources and Mineral Reserves. Canterra’s gold projects are located on

trend of Equinox Gold’s Valentine mine currently in production and cover a ~55 km extension of the same structural

corridor that hosts mineralization within Equinox Gold’s mine project. Past drilling by Canterra and others within the

Company’s gold projects intersected multiple occurrences of orogenic- style gold mineralization within a large land

position that remains underexplored.

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ON BEHALF OF THE BOARD OF CANTERRA MINERALS CORPORATION

Chris Pennimpede

President & CEO

Additional information about the Company is available at www.canterraminerals.com

For further information, please contact: +1 (604) 687-6644

Email: [email protected]

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 Information

This press release contains statements that constitute “forward-looking information” (collectively, “forward-looking statements”)

within the meaning of the applicable Canadian securities legislation, including statements with respect to estimated mineral

resources, the opening of avenues for substantial discoveries within the belt, the Buchans Project being ripe for a modern approach

with significant exploration potential for high- grade VMS mineralization, the Company anticipating being strongly positioned to

unveil the next mineral discovery in central Newfoundland. All statements, other than statements of historical fact, are forward -

looking statements and are based on expectations, estimates and projections as at the date of this news release. Any statement

that discusses predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (often

but not always using phrases such as “expects”, or “does not expect”, “is expected”, “anticipates” or “does not anticipate”, “plans”,

“budget”, “scheduled”, “forecasts”, “estimates”, “believes” or “intends” or variations of such words and phrases or stating t hat

certain actions, events or results “may” or “could”, “would”, “might” or “will” be taken to occur or be achieved) are not statements

of historical fact and may be forward- looking statements. Consequently, there can be no assurances that such statements will

prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Except

to the extent required by applicable securities laws and the policies of the TSX Venture Exchange, the Company undertakes no

obligation to update these forward- looking statements if management’s beliefs, estimates or opinions, or other factors, should

change. Factors that could cause future results to differ materially from those anticipated in these forward- looking statements

include risks associated with possible accidents and other risks associated with mineral exploration operations, the risk that the

Company will encounter unanticipated geological factors, the possibility that the Company may not be able to secure permitting

and other governmental clearances necessary to carry out the Company’s exploration plans, the risk that the Company will not be

able to raise sufficient funds to carry out its business plans, and the risk of political uncertainties and regulatory or legal changes

that might interfere with the Company’s business and prospects ; as well as those risks and uncertainties identified and reported

in the Company's public filings under its SEDAR+ profile at www.sedarplus.ca. Accordingly, readers should not place undue reliance

on the forward- looking statements and information contained in this press release. Except as required by law, the Company

disclaims any intention and assumes no obligation to update or revise any forward- looking statements to reflect actual results,

whether as a result of new information, future events, changes in assumptions, changes in factors affecting such forward-looking

statements or otherwise.