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C3 Metals Drills 294 Metres at 0.30% Copper and 0.13 g/t Gold (0.39% CuEq1) from Surface at Bellas Gate, Jamaica

Drill Results

C3 Metals Drills 294 Metres at 0.30% Copper

and 0.13 g/t Gold (0.39% CuEq1) from Surface

at Bellas Gate, Jamaica

Toronto, Ontario--(Newsfile Corp. - June 5, 2024) -

C3 Metals Inc.

(TSXV: CCCM) (OTCQB: CUAUF)

("C3 Metals" or the "Company") is pleased to announce it has intersected

294.0m at 0.30% copper

and 0.13 g/t gold from surface

in drill hole CMH8390-001 at its Camel Hill porphyry prospect in its

100%-owned Bellas Gate project (Figure 1).

The drill hole terminated in 0.36% copper mineralization at

600.0m.

This result is a follow up to drill hole CMH8350-001 that reported

207.8m at 0.43% copper

and 0.20 g/t gold (0.57% CuEq

1

) from 22.0m downhole

,

including 135.0m at 0.52% copper and

0.27g/t gold (0.71% CuEq

1

)

(see press release dated October 4, 2023).

Drilling Highlights

Drill hole CMH8390-001 assayed 294.0m at 0.30% copper and 0.13 g/t gold (0.39% CuEq

1

)

from surface.

After going through a barren dyke, the hole resumed in mineralization and

terminated in 0.36% copper at 600.0m.

CMH8390-001 confirms strongly altered diorite porphyry with chalcopyrite-rich quartz

stockwork veining.

Two additional holes (GOH9075-001 and GOH9075-002) drilled at Geo Hill approximately

1.2km north-northwest of CMH8390-001 intersected low to moderate grade copper-gold

mineralization over broad intervals.

A hole drilled approximately 500m west of Camel Hill (GOM8525-001) returned no

significant assays but showed pervasive epidote-chlorite-pyrite alteration with locally

patchy chalcopyrite, which can be a very common alteration signature within the exterior

halo of a porphyry system.

The northwest-southeast trending copper-gold anomaly hosting greater than 225ppm

copper in soil geochemistry with coincident magnetic and IP chargeability geophysical

anomalies stretches approximately 2.0km from Geo Hill to Camel Hill.

Geo Hill and Camel Hill appear to be spatially and genetically associated and represent a

large porphyry complex that has only been partially drill tested.

Dan Symons, President and CEO, stated

, "We continue to intersect long, broad intervals of strong

copper mineralization at the Bellas Gate project.

These drill results from both Camel Hill and Geo Hill,

combined with coincident geochemical and geophysical anomalies over approximately 2km, suggest

a large hydrothermal system.

In fact, when stepping back and looking at our Bellas Gate and Arthurs

Seat projects, there is 18km of strong copper-gold soil and rock geochemistry with confirmed multiple

porphyries clustered along two distinct northwest-southeast trending belts.

Our goal is to find the most

fertile areas of this expansive system and work to define economic volumes."

Figure 1 - Map of C3 Metals' mineral concessions in relation to other mineral concessions showing the

location of the Geo Hill and Camel Hill porphyry copper-gold prospects within the Bellas Gate project.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2661/211747_4381e7dfd495f8a4_001full.jpg

The Company continues to confirm near surface porphyry copper - gold mineralization with the most

recent significant assays coming from Camel Hill and Geo Hill prospects (Table 1).

Table 1

. Recent intercepts from the Bellas Gate Project

HOLE ID

From

(m)

To

(m)

Length

(m)

Cu

(%)

Au

(g/t)

CuEq

1

(%)

CMH8390-001

9.00

303.00

294.00

0.30

0.13

0.39

CMH8390-001

378.00

423.00

45.00

0.21

0.13

0.30

CMH8390-001

596.00

600.00

4.00

0.26

0.07

0.30

GOH9075-001

60.00

78.00

18.00

0.27

0.05

0.31

GOH9075-001

90.50

118.60

28.10

0.22

0.07

0.27

GOH9075-001

162.00

277.00

115.00

0.28

0.07

0.33

GOH9075-002

57.00

104.00

47.00

0.25

0.05

0.29

GOH9075-002

134.00

214.00

80.00

0.23

0.06

0.27

GOM8525-001

No

Significant

Assays

1

Copper equivalent (CuEq) calculation is for reporting purposes only and was determined based on CuEq (%) = Cu (%) + ((0.7097 × Au g/t) under

metal price assumptions of Copper - US$3.00/lb, Gold - US$1,800/oz.

As the Bellas Gate project is an early-stage exploration project and there is

insufficient metallurgical data to allow for estimation of recoveries, porphyry copper-gold recoveries are estimated based on multiple comparable

porphyry-style copper-gold deposits (Alumbrera, Batu Hijau, Fish Lake, Mt Milligan, El Pachon, Agua Rica, Cerro Casale and Skouries) which

averaged 90% recovery for copper and 73% for gold.

A nominal cut-off of 0.2% CuEq is used for the reporting of potentially significant intercepts

and higher-grade cut-offs are 0.4% CuEq.

Maximum contiguous dilution within each intercept is 10m for 0.2% and 0.4% CuEq.

Samples have been composited to two and maximum three metre

lengths.

2

All intervals are reported as core lengths, as true widths of the mineralized intervals are unknown at this time.

Drilling in Jamaica is evaluating porphyry and epithermal style mineralization associated with multi-

phase intrusive complexes.

The objective is to establish a significant volume of near-surface copper-

gold mineralization that would encompass a bornite-rich core as is commonly associated with economic

porphyries.

A large area between Geo Hill and Camel Hill with copper in soil greater than 225ppm and

coincident magnetic and IP chargeability geophysical anomalies has yet to be drill tested (Figures 2 and

3).

Figure 2: Plan map showing recently completed drill holes at Bellas Gate. Map shows copper in soil and

rock geochemistry and all rocks over 0.5% copper are labeled. Section line shown for Figure 3.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2661/211747_4381e7dfd495f8a4_002full.jpg

Figure 3: Cross section through the 3D magnetic inversion model and three magnetic-apophyses

emanating off a lower angle magnetic body at Camel Hill and Geo Hill porphyry systems. A strong

copper in soil anomaly remains untested between Camel Hill and Geo Hill, and the system is open at

depth.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2661/211747_4381e7dfd495f8a4_003full.jpg

Next Steps

C3 Metals has intersected significant near surface copper-gold mineralization in multiple holes

completed at the Bellas Gate project.

Porphyry mineralization is interpreted as high level and is

telescoped by later stage epithermal copper-gold mineralization.

Locally bornite has been observed at

deeper levels in Camel Hill.

The Company is now updating 3D geologic models and planning further drill

holes to evaluate both the near surface and deeper levels of the Camel Hill porphyry system.

In addition, the Company has completed trenching and channel sampling at its 100%-owned Arthurs

Seat project and its 50%-owned Super Block project.

C3 Metals looks forward to providing additional

assay results as they become available.

For additional information, contact:

Dan Symons

President and CEO

+1 416 716 6466

[email protected]

ABOUT C3 METALS INC.

C3 Metals Inc. is a mineral exploration company focused on creating substantive value for its

shareholders through the discovery and development of large copper and gold deposits.

The Company

is actively exploring in Jamaica where it has identified 16 porphyry, 40 epithermal and multiple volcanic

redbed copper prospects over a 30km strike extent.

The Company holds a 100% interest in 17,855

hectares of exploration licenses and a 50% interest in 9,870 hectares in a joint venture with Geophsyx

Jamaica Ltd, the largest mineral tenure holder in the country.

Barrick Gold Corp. announced on May 1,

2024 that it had entered into an earn-in agreement with Geophysx Jamaica Ltd. on approximately

400,000 hectares of exploration licenses, several of which surround C3 Metals' mineral concessions.

Mining is currently the second largest industry in Jamaica, and historical mining dates back to the

colonial eras of the 1500s (Spanish) and 1800s (British).

The Company also holds approximately

30,000 hectares located in the prolific high-grade Andahuaylas-Yauri Porphyry-Skarn belt of Southern

Peru.

Mineralization at Jasperoide is hosted in a similar geological setting to the nearby major mining

operations at Las Bambas (MMG), Constancia (Hudbay) and Antapaccay (Glencore).

At Jasperoide,

the Company has identified over 15 skarn prospects and an outcropping porphyry system over two

parallel 28km belts.

The Company has published a maiden resource estimate on the first of these skarn

targets, which contained Measured & Indicated Resources of 52Mt at 0.5% copper and 0.2 g/t gold.

Related Link:

www.c3metals.com

Neither the 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.

QP Statement

Stephen Hughes, P.Geo. is Vice President Exploration and a Director for C3 Metals and is a Qualified

Person as defined by National Instrument 43-101.

Mr. Hughes has reviewed the technical information in

this news release and approves the written disclosure contained herein.

Technical Program

C3 Metals adheres to a strict QA/QC protocol for handling, sampling, sample transportation and

analyses.

Chain-of-custody protocols are designed to ensure security of samples until their delivery at

the laboratory.

Samples were cut at C3 Metals' operations base in Bellas Gate, St Catherine, Jamaica by Company

personnel. Diamond drill core was sampled in maximum 3-metre intervals, stopping at geological

boundaries, and using a rock saw.

Core diameter is a mix of HQ3 and NQ3 depending on the depth of

the drill hole.

Samples were bagged, tagged and packaged for shipment by DHL air freight service to

the ALS preparation laboratory in Sudbury, Ontario, Canada where entire samples were crushed to 70%

passing 10 mesh (2mm), and a 250g split was pulverized to 85% passing 200 mesh (75µm).

The prepared samples were sent to the ALS assay laboratories in Vancouver, Canada for copper, gold

and silver assays, and multi-element ICP. ALS is an accredited laboratory which is independent of the

Company. Gold assays were by fire assay fusion with AAS finish on a 30g sample and the overlimit gold

assay was completed by fire assay and gravimetric finish on 30g sample.

Copper and silver were

assayed by ICP-AES following a 4-acid digestion on the ME-ICP61 package for a suite of 33 elements

and the over limit copper by 4-Acid digestion and assayed by ICP-AES on each sample with copper

greater than 10000ppm (1%). Copper and gold standards as well as blanks and duplicates (coarse

crush split) were randomly inserted into the sampling sequence for quality control. On average, 9% of the

submitted samples are quality control samples. No data quality problems were indicated by the QA/QC

program.

1

Copper equivalent (CuEq) calculation is for reporting purposes only and was determined based on CuEq (%) = Cu (%) + (0.7097 × Au g/t) under

metal price assumptions of Copper - US$3.00/lb, Gold - US$1,800/oz.

As the Bellas Gate project is an early-stage exploration project and there is

insufficient metallurgical data to allow for estimation of recoveries, porphyry copper-gold recoveries are estimated based on multiple comparable

porphyry-style copper-gold deposits (Alumbrera, Batu Hijau, Fish Lake, Mt Milligan, El Pachon, Agua Rica, Cerro Cassle and Skouries) which

averaged 90% recovery for copper and 73% for gold.

A nominal cut-off of 0.2% CuEq is used for the reporting of potentially significant intercepts

and higher-grade cut-offs are 0.4% CuEq.

Maximum contiguous dilution within each intercept is 10m for 0.2% and 0.4% CuEq.

Samples have been

composited to two and maximum three metre lengths.

Caution Regarding Forward-Looking Statements

Certain statements contained in this press release constitute forward-looking information. These

statements relate to future events or future performance. The use of any of the words "could", "intend",

"expect", "believe", "will", "projected", "estimated" and similar expressions and statements relating to

matters that are not historical facts are intended to identify forward-looking information and are based on

the Company's current belief or assumptions as to the outcome and timing of such future events. Actual

future results may differ materially. In particular, this release contains forward-looking information relating

to, among other things, the exploration operations of the Company and the timing which could be

affected by the current global COVID-19 pandemic. Those assumptions and factors are based on

information currently available to the Company.

Although such statements are based on reasonable

assumptions of the Company's management, there can be no assurance that any conclusions or

forecasts will prove to be accurate.

While the Company considers these assumptions to be reasonable based on information currently

available, they may prove to be incorrect. Forward-looking information involves known and unknown

risks, uncertainties and other factors which may cause the actual results, performance or achievements

to be materially different from any future results, performance or achievements expressed or implied by

the forward-looking information. Such factors include risks inherent in the exploration and development of

mineral deposits, including risks relating to changes in project parameters as plans continue to be

redefined, risks relating to variations in grade or recovery rates, risks relating to changes in mineral

prices and the worldwide demand for and supply of minerals, risks related to increased competition and

current global financial conditions and the COVID-19 pandemic, access and supply risks, reliance on

key personnel, operational risks, and regulatory risks, including risks relating to the acquisition of the

necessary licenses and permits, financing, capitalization and liquidity risks.

The forward-looking information contained in this release is made as of the date hereof, and the

Company is not obligated to update or revise any forward-looking information, whether as a result of new

information, future events or otherwise, except as required by applicable securities laws. Because of the

risks, uncertainties and assumptions contained herein, investors should not place undue reliance on

forward-looking information. The foregoing statements expressly qualify any forward-looking information

contained herein.

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

https://www.newsfilecorp.com/release/211747