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Canadian Critical Minerals Announces Increases of Indicated Metal of 11% for Copper and 17% for Gold at the Bull River Mine

Drill Results Resource Estimates

Canadian Critical Minerals Announces

Increases of Indicated Metal of 11% for Copper

and 17% for Gold at the Bull River Mine

Calgary, Alberta--(Newsfile Corp. - March 4, 2025) - Canadian Critical Minerals Inc.

(TSXV: CCMI)

(OTCQB: RIINF)

("

CCMI

" or the "

Company

") is pleased to announce a 10% increase in copper and a

15% increase in gold in a new Mineral Resource for the Bull River Mine, near Cranbrook, B.C.

The

Mineral Resource Estimate ("MRE") was independently prepared by Moose Mountain Technical

Services ("MMTS") under the supervision of Sue Bird, P.Eng.

The Mineral Resource includes

mineralized material from the surface stockpile of run of mine material that was previously not included in

the Mineral Resource estimate.

Highlights:

Total Indicated Mineral Resource of 2.9Mt grading 1.58% Cu, 0.389 g/t, and 13.3 g/t Ag.

Total Inferred Mineral Resource of 1.6Mt grading 1.43% Cu, 0.388 g/t Au, and 12.1 g/t Ag.

Inclusion of stockpile and increase in metal prices have resulted in the Indicated Resource to

increase by 11% in the Cu metal and 17% in the gold metal content compared to the previous,

2021 MRE.

The current surface Mineral Resource has an effective date of December 31, 2024.

The surface

stockpile Mineral Resource is not based on a Cutoff grade ("COG") because the material is already on

surface and the entire stockpile is reported.

As of December 31, 2024, the Company had trucked 6,737

tonnes of pre-concentrated high-grade mineralized material to New Afton under an Ore Purchase

Agreement ("OPA").

Under the OPA, New Afton performed assay services on all trucked material as

well as low grade mineralized material that was rejected from the ore sorting process.

The December

31, 2024 stockpile resource is estimated at 173,263 tonnes of mineralized material grading 1.092%

copper, 0.232 g/t gold and 9.1 g/t silver.

As a result, there are 4,172,800 lbs of copper, 1,292 ounces of

gold and 50,507 ounces of silver in the stockpile resource.

Ian Berzins, President and CEO commented, "We are extremely pleased with the results of the up-dated

Mineral Resource including underground and surface mineralized material.

During the period November

2023 to August 2024, the Company crushed and screened 180,000 tonnes of mineralized run of mine

material already on surface in a stockpile.

Subsequently, the Company sorted coarse material through

an ore sorter and both the high-grade material that was sent to New Afton plus the lower grade material

that was rejected by the sorter and not trucked to New Afton were assayed for copper, gold and silver.

As a result, 5,177,900 lbs of CuEq mineralized material were added to the current Mineral Resource at

Bull River."

Table 1:

Summary of Bull River Underground Mineral Resource - Effective Date December 31,

2024

Class

Cutoff Cu Eqv. (%)

ROM

Tonnage

(tonnes)

In situ Grades

Metal

Cu Eqv.

(%)

Cu

(%)

Au

(gpt)

Ag

(gpt)

NSR

(CDN$/t)

CuEq

(000 lbs)

Cu

(000 lbs)

Au

(kOz)

Ag

(kOz)

Indicated

varies due to

stockpile inclusion

2,864,266

1.921

1.575

0.389

13.3

183.98

121,286

99,487

35.8

1,225

Inferred

1,637,996

1.763

1.432

0.388

12.1

168.84

63,650

51,715

20.4

636

Mineral Resource Notes:

1

.

The qualified person responsible for the mineral resource estimate is Sue Bird P.Eng of MMTS.

2

.

The base case cut-off is 0.70% CuEq which more than covers the Processing costs of CDN$30/tonne and Underground Mining costs of

CDN$35/tonne.

3

.

A minimum mining width of 2.0m is assumed.

4

.

Mineral resources are based on a US$2,200/oz gold price, US$4.15/lb copper price and US$26.5/oz silver price and the following smelter

terms: 96.25% payable Cu, 97.5% payable Au and 95% payable Ag.

5

.

Forex of 0.72 US$:CDN$

6

.

Treatment charges of US$5/tonne for Cu, Refining charges of US$0.005/lb Cu, US$8/oz for Au, US$0.5/oz Ag.

7

.

Transportation charges of US$100/tonne Cu concentrate.

8

.

Metallurgical recoveries have been estimated as 93% for Cu, 75% for Au, and 90% for Ag.

9

.

The mineral resource has been confined by a "reasonable prospects of eventual economic extraction" underground shape equating to an

NSR cut-off of CDN$65/tonne with all material within this shape reported as the resource.

10

.

The bulk density has been assigned values of 2.7 and 3.06 tonnes/m3 depending on mineralized domain.

11

.

Rounding as required by reporting guidelines may result in summation differences.

Table 2:

Summary of the Bull River Underground Mineral Resource – Effective Date December

31, 2024

Classification

Cutoff CuEq (%)

In situ

In situ Grades

Metal

Tonnage

(Ktonnes)

CuEq

(%)

Cu

(%)

Au

(gpt)

Ag

(gpt)

NSR

($CDN)

Cu

(000 lbs)

Au

(kz)

Ag

(koz)

Indicated

0.7

2,691

1.957

1.607

0.399

13.6

187.48

116,108

95,314

35

Inferred

0.7

1,638

1.763

1.432

0.388

12.1

168.84

63,650

51,715

20

Table 3:

Summary of Bull River Surface Mineral Resource – Effective Date December 31, 2024

Tonnage

(dmt)

CuEq (%)

Cu

(%)

Au (gpt)

Ag (gpt)

NSR

(CDN$/

tonne)

Metal Content

CuEq

(klbs)

Cu (klbs)

Au (oz)

Ag (oz)

Total Resource with Fines

173,263

1.356

1.092

0.232

9.067

125.21

5,177.9

4,172.8

1,291.7

50,507.2

The Bull River Mine is fully developed and dewatered with 21,000 metres of underground developments

in terms of ramps, raises and drifting on mineralized structures on seven levels to a depth of 350 metres

below surface.

The surface infrastructure includes a 700 tonne per day conventional mill with adjoining

crushing facilities as well as offices and mine maintenance facilities.

The property is connected to grid

power and there is year-round access to the site by paved and all-weather roads.

Qualified Person

The disclosure of technical or scientific nature in this news release has been reviewed and approved by

Sue Bird, P.Eng. who serves as a Consultant to the Company and is a Qualified Person under the

definition of National Instrument 43-101.

A NI 43-101 Technical Report will be filed on SEDAR within 45

days of this press release.

The disclosure herein, including relating to mineral resource estimates, has been prepared in

accordance with the requirements of Canadian securities laws, as set forth in NI 43-101, which

references the guidelines set out in the Canadian Institute of Mining, Metallurgy and Petroleum (the

"CIM") classification system, the CIM Definition Standards on Mineral Resources and Mineral Reserves,

adopted by the CIM Council.

About Canadian Critical Minerals Inc.

Canadian Critical Minerals Inc. is a mining company primarily focused on copper production assets in

Canada. Its main asset is the 100% owned Bull River Mine project near Cranbrook, British Columbia

which has a Mineral Resource containing copper, gold and silver. The Company also owns a 10%

interest in XXIX Metal Corp., which holds a 100% interest in the Thierry copper project near Pickle Lake,

Ontario and a 100% interest in the Opemiska copper project near Chapais-Chibougamau, Quebec.

We seek Safe Harbor.

Contact Information

Canadian Critical Minerals Inc.

Ian Berzins

President & Chief Executive Officer

M: +1-403-512-8202

E-Mail:

[email protected]

Website:

www.canadiancriticalmineralsinc.com

Caution Regarding Forward-Looking Information

This news release includes certain information that may constitute "forward-looking information" under

applicable Canadian securities legislation. Forward-looking information includes, but is not limited to,

statements about strategic plans, future work programs and objectives and expected results from such

work programs. Forward-looking information necessarily involve known and unknown risks, including,

without limitation, risks associated with general economic conditions; inability to access sufficient

capital from internal and external sources, and/or inability to access sufficient capital on favourable

terms; and other risks.

Forward-looking information is necessarily based upon a number of estimates and assumptions that,

while considered reasonable, are subject to known and unknown risks, uncertainties, and other factors

which may cause the actual results and future events to differ materially from those expressed or

implied by such forward-looking information and the risks identified in the Company's continuous

disclosure record. There can be no assurance that such information will prove to be accurate, as

actual results and future events could differ materially from those anticipated in such information.

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

looking information contained in this news release is given as of the date hereof and is based upon

the opinions and estimates of management and information available to management as at the date

hereof. 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, except as required by

law.

Neither the TSX Venture Exchange nor its Regulation Service Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this new

release.

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

https://www.newsfilecorp.com/release/243285