Saturday, September 26, 2026
MiningNewsTerminal
Saturday, September 26, 2026 Admin

NWST.V ·

Northwest Copper Reports 41.20 Metres of 3.20% Copper Equivalent at Stardust from Drilling IN the 421 Zone.

Drill Results

Page 1 of 9

News Release

NORTHWEST COPPER REPORTS 41.20 METRES OF 3.20% COPPER EQUIVALENT

AT STARDUST FROM DRILLING IN THE 421 ZONE.

Vancouver, BC – January 9, 2023 – NorthWest Copper (“NorthWest” or “the Company”) (TSX -V:

NWST) (OTCQX: NWCCF) is pleased to announce the second set of results from the 2022 Stardust

drilling program in the 421 zone. This hole was designed to cut through the 421 zone from a

different direction than all previous drilling (Figure 1) and highlights the thickness, grade and

continuity of the 421 zone. The 421 zone forms the core of the 100% owned Stardust deposit

which is one of the highest-grade Cu-Au deposits in BC. Stardust remains open down plunge and

along strike . The combination of Stardust and Kwanika is the subject of our PEA (preliminary

economic assessment), the results of which were released on January 5, 20231. Note that these

drill results were not included in the PEA. Assay highlights from recent drilling include:

• DDH22-SD-484: 41.20 metres2 of 3.20% CuEq3 from 722.00 metres (1.81% Cu, 1.66 g/t Au and

29.6 g/t Ag).

o Including 4.80 metres at 12.82% CuEq from 734.40 metres

o Including 0.55 metres at 25.60% CuEq from 762.65 metres

• Gold-dominant intercepts from DDH22-SD-484 include:

o 2.00 metres of 3.06 g/t Au, 0.01% Cu and 0.7 g/t Ag from 171.65 metres

o 0.70 metres of 6.34 g/t Au, 0.2% Cu and 1.3 g/t Ag from 564.30 metres

The upper part of hole DDH22-SD-484 contains four zones ranging from 0.65 to 2.00 metres with

gold ranging from 5.07 g/t to 0.53 g/t and silver ranging from 170.0 g/t to 0.2 g/t. These intercepts

are separate from and higher in the hole than the main 421 zone. These a re not currently

modelled and may indicate potential for another mineralized zone parallel and to the east of the

421 trend (Figure 3).

“This hole serves as a reminder that Stardust is not only one of the highest-grade copper deposits

in British Columbia but retains a lot of exploration potential”, said President and CEO Peter Bell.

“The grades in the main intercept are very high, consistent with what we have seen before in the

421 zone and gives us further confidence in the geometry, grade, continuity of this part of the

deposit. We are also highly encouraged by the gold dominant intercepts found away from 421

zone, which provide additional targets within Stardust. Stardust forms a key part of the Kwanika-

Stardust project as outlined in our recent PEA, and remains underexplored.”

1 See News Release dated January 5th ,2023 available at www.northwestcopper.ca and the Company’s profile at www.sedar.com.

2 True widths of the reported mineralized intervals have not been determined .

3 Assumptions used in USD for the copper equivalent calculation ( CuEq) were metal prices of $3.50/lb. Copper, $1,650/oz Gold, $21.50/oz Silver, and

recovery is assumed to be 94% for copper, 94% for gold and 86% for silver. The following equation was used to calculate copper equivalence: CuEq =

Copper (%) + (Gold (g/t) x 0.6875) + (Silver (g/t) x 0.0082)

Page 2 of 9

Drill Results Discussion

Drilling at Stardust for the 2022 season focused on conversion of inferred resources to higher

classifications and on expansion of the resource around the 421 zone (Figure 1 & Figure 2).

Stardust is the high-grade carbonate replacement deposit (CRD) that is located approximately 7

km from the Kwanika deposit. The Company has now reported all 2022 drill results from Stardust,

and 20 of 30 holes from the 2022 drilling at Kwanika. These results have not been incorporated

into the updated Stardust and Kwanika resource estimates or the recent PEA4.

DDH22-SD-484 was drilled from east to west which is opposite to all historical drilling at Stardust.

This orientation was designed to provide extra understanding of the geometry of the 421 zone

and to explore for new mineralization. This hole intersected 41.20 metres of 3.20% CuEq within

the 421 zone. This interval includes very high-grade intervals of 4.80 metres at 12.82% CuEq

from 734.40 metres depth and 0.55 metres at 25.60% CuEq from 762.65 metres (Figures 1, 2 &

3). Mineralization is chalcopyrite-pyrite as semi-massive sulphide replacements of garnet skarn

or, more commonly accompanied by calcite and magnetite/hematite, as infill of vugs and

interstices in garnet skarn and is the dominant mineralization style within the 421 zone.

Hole 484 was collared in clastic sedimentary rocks which sit above and to the east of the 421

zone. The gold dominant intercepts in the upper part of the hole have features of epithermal

veins, which can be distal expressions of manto style mineralization. Mantos are a more distal

expression of a CRD sys tem. These new intercepts could indicate potential for more

mineralization below in a hotter part of the hydrothermal system where it potentially transitions

to more skarn/massive sulphide mineralization.

DDH22-SD-482 was abandoned at 258.00 metres as the hole deviated excessively and would not

be able to test the target accurately if it continued. Completed drilling intersected 2.00 metres

at 0.37 g/t Au and 39.5 g/t Ag and 2.00 metres with 1.38 g/t Au and 62.7 g/t from 42.00 and 90.00

metres down hole, respectively (Figure 3). As above, the style and tenor of this mineralization

could represent a distal expression of another zone parallel to the main 421 trend.

4 See News Release dated January 5th ,2023 available at www.northwestcopper.ca and the Company’s profile at www.sedar.com.

Page 3 of 9

Table 1: Drill Results from This News Release

Hole From(m) To(m) Interval

(m)5 Cu (PCT) Au (g/t) Ag (g/t) CuEq

(PCT)6

DDH22-SD-482 42.00 44.00 2.00 0.02 0.37 39.5 -

also. 90.00 92.00 2.00 0.07 1.38 62.7 -

DDH22-SD-484 35.35 36.00 0.65 0.03 5.07 26.6 -

also. 171.65 173.65 2.00 0.01 3.06 0.7 -

also. 246.30 247.30 1.00 0.01 2.28 0.2 -

also. 309.55 310.70 1.15 0.05 0.53 170.0 -

also. 564.30 565.00 0.70 0.02 6.34 1.3 -

also. 722.00 763.20 41.20 1.81 1.66 29.6 3.20

also. Incl. 734.40 739.20 4.80 6.59 7.61 121.5 12.82

also. Incl. 762.65 763.20 0.55 13.80 14.70 207.0 25.60

Quality Assurance / Quality Control

Drilling completed at Stardust in 2022 was supervised by on -site NorthWest personnel who

collected and tracked samples and implemented a full QA/QC program using blanks, standards,

and duplicates to monitor analytical accuracy and precision. The samples were sealed on site and

shipped to AGAT Laboratories (AGAT) in Calgary, Alberta. AGAT’s quality control system complies

with global certifications for Quality ISO 9001:2015. Core samples were analyzed using a

combination of AGAT’s 201 -071 process for low -level concentrations (4 Acid digestion /ICP-

OES/MS) and the 201 -079 process for higher -level concentrations in base metals (Sodium

Peroxide Fusion/ICP -OES). Silver overlimits were analyzed with method 201 -116, a 3 -acid

digestion with ICP-OES finish. Gold assaying was completed with 202 -055, a 30-gram fire assay

with ICP-OES finish.

Technical aspects of this news release have been reviewed, verified, and approved by Tyler

Caswell, P.Geo., Vice President Exploration of NorthWest, who is a qualified person as defined by

National Instrument 43-101 – Standards of Disclosure for Minerals Projects.

Annual Grant of Stock Options and Restricted Share Units

The Company has granted 3,5 40,625 Stock Options to directors and certain employees, and

557,813 Restricted Share Units (“RSUs”) to certain employees pursuant to its Stock Option and

RSU Plans.

5 True widths of the reported mineralized intervals have not been determined .

6 Assumptions used in USD for the copper equivalent calculation (CuEq) were metal prices of $3.50/lb. Copper, $1,650/oz Gold, $21.50/oz Silver, and

recovery is assumed to be 94% for copper, 94% for gold and 86% for silver. The following equation was used to calculate coppe r equivalence: CuEq =

Copper (%) + (Gold (g/t) x 0.6875) + (Silver (g/t) x 0.0082)

Page 4 of 9

The Stock Options have an exercise price of $0.20 and have a range of vesting periods over three

years and expire January 6, 2028. The RSUs are payable in common shares of the Company on

exercise, vest on January 6, 2024, and expire February 6, 2024.

Figure 1: Drillhole Locations

Page 5 of 9

Figure 2: Long Section showing block model 7 and intersection locations from this release and previously released8.

7 See NI 43-101 technical report titled “NI 43-101 Technical Report for the Stardust Project Updated Mineral Resource Estimate ” dated May 17, 2021, filed under the Company’s SEDAR profile at

www.sedar.com.

8 See News Release dated November 16th, 2022, available at www.northwestcopper.ca and the Company’s profile at www.sedar.com

Page 6 of 9

Figure 3: Cross Section

Page 7 of 9

Table 2: 2022 Stardust Drill Results9

Hole From

(m) To (m) Interval (m)10 Cu (PCT) Au (g/t) Ag (g/t) CuEq

(PCT)11

DDH22-SD-475M 579.00 582.20 3.20 1.02 0.56 15.2 1.53

incl 580.05 581.10 1.05 2.36 1.19 35.1 3.46

DDH22-SD-476M 600.45 676.40 75.95 0.55 0.50 10.9 0.98

incl. 616.55 617.45 0.90 6.24 3.11 113.0 9.30

also incl. 658.05 666.50 8.45 1.62 1.67 46.3 3.14

DDH22-SD-477D 560.85 580.50 19.65 0.32 0.29 6.1 0.57

incl. 577.70 580.50 2.80 1.15 0.71 16.7 1.78

also 620.00 651.80 31.80 0.63 0.44 12.4 1.03

also incl. 647.20 651.80 4.60 3.27 2.34 64.5 5.41

DDH22-SD-478D 502.00 546.20 44.20 0.84 0.51 13.7 1.31

incl. 523.10 544.20 21.10 1.54 0.96 26.1 2.41

incl. incl. 542.65 544.20 1.55 10.91 6.07 189.9 16.64

DDH22-SD-479M 602.20 629.10 26.90 0.21 0.25 3.7 0.41

also 661.40 707.45 46.05 0.80 0.71 14.4 1.40

also incl 695.00 701.40 6.40 1.63 1.67 33.4 3.05

DDH22-SD-480M 444.75 478.30 33.55 0.56 0.33 14.2 0.91

incl. 463.80 475.00 11.20 1.37 0.75 36.8 2.19

DDH22-SD-481D 703.45 722.35 18.90 0.63 0.63 9.7 1.14

incl. 718.50 722.35 3.85 1.71 1.53 27.4 2.98

DDH22-SD-482 42.00 44.00 2.00 0.02 0.37 39.5 -

also. 90.00 92.00 2.00 0.07 1.38 62.7 -

DDH22-SD-483D 440.60 451.15 10.55 0.43 0.23 4.6 0.63

incl. 445.85 446.20 0.35 2.97 1.21 22.5 3.99

DDH22-SD-484 35.35 36.00 0.65 0.03 5.07 26.6 -

also. 171.65 173.65 2.00 0.01 3.06 0.7 -

also. 246.30 247.30 1.00 0.01 2.28 0.2 -

also. 309.55 310.70 1.15 0.05 0.53 170.0 -

also. 564.30 565.00 0.70 0.02 6.34 1.3 -

also. 722.00 763.20 41.20 1.81 1.66 29.6 3.20

also. Incl. 734.40 739.20 4.80 6.59 7.61 121.5 12.82

also. Incl. 762.65 763.20 0.55 13.80 14.70 207.0 25.60

9 See News Release dated November 16th ,2022 available at www.northwestcopper.ca and the Company’s profile at www.sedar.com

10 True widths of the reported mineralized intervals have not been determined .

11 Assumptions used in USD for the copper equivalent calculation (CuEq) were me tal prices of $3.50/lb. Copper, $1,650/oz Gold, $21.50/oz Silver, and

recovery is assumed to be 94% for copper, 94% for gold and 86% for silver. The following equation was used to calculate coppe r equivalence: CuEq =

Copper (%) + (Gold (g/t) x 0.6875) + (Silver (g/t) x 0.0082)

Page 8 of 9

About NorthWest Copper:

NorthWest Copper is a new copper -gold explorer and developer with an exciting pipeline of

projects in British Columbia. With a robust portfolio in a tier one jurisdiction, NorthWest Copper

is well positioned to participate fully in a strengthening global copper market. We are committed

to responsible mineral exploration which involves working collaboratively with First Nations to

ensure future development incorporates stewardship best practices and traditional land use.

Additional information can be found on the Company’s website at www.northwestcopper.ca.

On Behalf of the Board of Directors of NorthWest Copper Corp.

“Peter Bell”

Director, President and CEO

For further information, please contact:

Peter Lekich, Director Investor Relations

Tel: 604-697-4962

Email: [email protected]

Neither 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 Statement Regarding Forward-Looking Information

This news release contains “ forward-looking information” within the meaning of applicable securities laws. 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 involves discussion with respect to

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

but not always using phrases such as “plans”, “expects”, “is expected”, “bu dget”, “scheduled”, “estimates”,

“forecasts”, “intends”, “anticipates”, or “believes” or variations (including negative variations) of such words and

phrases, or state that certain actions, events or results “may”, “could”, “would”, “might” or “will” be ta ken, occur or

be achieved) are not statements of historical fact and may be forward -looking statements. . In this news release,

forward-looking statements relate, among other things, to statements with respect to: the development, operational

and economic results of the 2023 PEA; the Company’s goals for 2022 and 2023; geological interpretations; the

estimation of Mineral Resources; magnitude or quality of mineral deposits; anticipated advancement of mineral

properties or programs; future operations; mine pl ans; future exploration prospects; the completion and timing of

technical reports; future growth potential of NorthWest; and future development plans.

All statements, other than statements of historical fact, included herein, constitutes forward -looking information.

Although NorthWest believes that the expectations reflected in such forward-looking information and/or information

are reasonable, undue reliance should not be placed on forward -looking information since NorthWest can give no

assurance that such expectations will prove to be correct. Forward-looking information involves known and unknown

risks, uncertainties and other factors that may cause actual results or events to differ materially from those

anticipated in such forward -looking information, including the risks, uncertainties and other factors identified in

NorthWest’s periodic filings with Canadian securities regulators. Forward-looking information are subject to business

and economic risks and uncertainties and other factors that could caus e actual results of operations to differ

materially from those contained in the forward-looking information. Important factors that could cause actual results

to differ materially from NorthWest’s expectations include risks associated with the business of NorthWest; risks

related to reliance on technical information provided by NorthWest; risks related to exploration and potential

development of the Company’s mineral properties; business and economic conditions in the mining industry