LOT.V · 2026-03-03 12:00:00

TomaGold Initiates Major Phase 2 Program at Berrigan Mine to Test Berrigan Deep Potential Through Extension Drilling and 4 km by 2 km Deep Geophysical Survey

Exploration Programs

TSXV: LOT OTCPK: TOGOF PRESS RELEASE

TomaGold Initiates Major Phase 2 Program at Berrigan Mine

to Test Berrigan Deep Potential Through Extension Drilling

and 4 km by 2 km Deep Geophysical Survey

Highlights

• New borehole electromagnetic (BHEM) imaging, combined with Phase 1 drilling results

at Berrigan Mine, including TOM-25-015 returning 5.08% ZnEq (1.19 g/t AuEq) over

98.5 m and TOM-25-014 returning 24.85% ZnEq (5.83 g/t AuEq) over 2.1 m, demonstrates

compelling potential to expand mineralization at depth with the discovery of Berrigan Deep.

• The Company is preparing an extension drilling program set to commence in the coming

weeks, which will include ﬁve drill hole extensions (TOM-25-009 to TOM-25-013), after

geophysical modeling conﬁrmed that the original holes were too short and failed to test the

targeted conductive plates at depth.

• The Company will also conduct a large-scale surface geophysical survey spanning

4 km and targeting depths of up to 2 km. The results will reﬁne drill targeting and

strategically guide subsequent drilling programs.

Montréal, Québec , March 3, 202 6 ‒ TOMAGOLD CORPORATION (TSXV: LOT; OTCPK: TOGOF)

(“TomaGold” or the “Company”) is pleased to announce that it will undertake a major Phase 2 exploration

program at its Berrigan Mine project, located in the Chibougamau Mining Camp, Québec.

Phase 2 builds on drill results from holes TOM -25-009 through TOM -25-015, together with the borehole

electromagnetic (BHEM) survey completed in hole TOM-25-013, which collectively led to the discovery of

the Berrigan Deep zone at depth. The latest drill holes (TOM-25-011 to TOM-25-013) clearly demonstrated

that the completed hole lengths were insuSicient to adequately test the modeled conductive targets at

depth.

In the coming weeks, TomaGold will launch Phase 2 of its drilling program, which will include ﬁve extension

holes on previously completed drill holes TOM-25-009 through TOM-25-013 to further evaluate the Berrigan

Deep zone at depth (see Figures 1 and 2). Additional exploration drilling will also be carried out to test new

targets generated from ongoing geological and geophysical modeling. In parallel, the Company will

undertake a large-scale surface electromagnetic survey spanning 4 km and targeting depths of up to 2 km.

The objective of the survey is to identify additional conductive targets analogous to Berrigan Deep and to

generate new high-priority targets with strong discovery potential.

David Grondin, President and CEO of TomaGold, stated: “Although drill holes TOM-25-011 to TOM-25-013

intersected mineralization, including 16.12% ZnEq (3.77 g/t AuEq) over 2.0 m in hole TOM -25-011,

geophysical data clearly indicate that drilling stopped short in certain areas. By extending these holes, we

aim to reach the core of the modeled conductive plates, which could signiﬁcantly increase the volume of

identiﬁed mineralization — similar to what was achieved with the discovery of Berrigan Deep in drill hole

TOM-25-015. ”

Jean Laﬂeur, P .Geo., VP Exploration at TomaGold, added: “Now that all results have been received and

compiled, we have a clearer understanding of both the Main Zone and the newly identiﬁed Berrigan Deep

zone, which represent two distinct parallel zones. Conductive plates identiﬁed through the BHEM su rvey

indicate, at this stage, that Berrigan Deep may have greater expansion potential. Our upcoming drilling

campaign will aim to demonstrate the extent of this zone in all directions. Initial drilling will f ocus on

extending holes TOM-25-009 through TOM-25-013, which is expected to establish lateral continuity over

more than 250 metres. We will also initiate a surface electromagnetic (EM) survey covering 4 km and

designed to investigate to depths of up to 2 k m to expand the known conductive plates and identify

additional EM targets. All drill holes will systematically be surveyed using BHEM to optimize modeling and

deep targeting. ”

Figure 1: Longitudinal view of the Phase 2 extension drilling program at Berrigan Mine

3D longitudinal section showing drill holes TOM-25-009 to TOM-25-013 (with TOM-25-009 and TOM-25-010

located between TOM -25-011 and TOM -25-014) and their planned extensions (blue lines) targeting the

modeled conductive plate at depth, along with signiﬁcant intersections from holes TOM-25-014 and TOM-

25-015 within the Berrigan Deep zone.

Figure 2: Plan view of the Phase 2 extension drilling program at Berrigan Mine

3D plan view showing drill holes TOM -25-009 to TOM -25-013 and their planned extensions (blue lines)

targeting the modeled conductive plate at depth, along with signiﬁcant intersections from holes TOM -25-

014 and TOM-25-015 within the Berrigan Deep zone.

Table 1: Phase 1 drilling results at the Berrigan Mine project

The Company has elected to report the full set of results, including zinc equivalent (“ZnEq”) and gold

equivalent (“AuEq”) grades, as these values provide a more representative measure of the total metal

content within the mineralized intervals intersected.

Hole ID From

(m)

Length

(m)

ZnEq

(%)

AuEq

(g/t)

(%)

TOM-25-009 156.70 204.75 48.05 5.82 1.36 1.12 7.55 0.04 1.40

including 156.70 159.60 2.90 33.97 7.96 6.76 40.24 0.19 7.57

including 163.95 169.00 5.05 3.42 0.80 0.41 11.35 0.03 1.43

including 181.70 182.90 1.20 12.25 2.87 2.36 19.50 0.03 2.89

including 189.20 194.60 5.40 19.07 4.47 3.75 16.35 0.08 4.81

including 196.00 198.60 2.60 2.06 0.49 0.43 5.28 0.06 0.11

including 204.00 204.70 0.70 37.71 8.85 8.71 9.20 0.05 6.01

230.35 236.80 6.45 1.23 0.29 0.14 1.23 0.03 0.67

including 235.70 236.80 1.10 5.00 1.17 0.72 2.80 0.04 2.27

244.50 259.70 15.20 4.87 1.14 0.59 7.22 0.04 2.40

including 254.60 257.15 2.55 22.75 5.29 2.24 32.07 0.15 13.42

TOM-25-010 108.00 111.00 3.00 2.18 0.51 0.51 1.53 0.02 0.23

120.65 125.00 4.35 8.03 1.87 0.95 9.11 0.05 4.26

including 121.95 125.00 3.05 8.30 1.93 0.84 10.56 0.06 4.86

130.70 179.00 48.30 2.38 0.56 0.30 4.11 0.04 1.06

including 135.75 142.00 6.25 11.43 2.66 1.63 16.13 0.09 4.79

including 144.80 149.00 4.20 2.01 0.47 0.12 4.68 0.04 1.31

including 158.30 159.35 1.05 3.73 0.87 0.16 5.93 0.10 2.73

including 175.50 177.70 2.20 4.11 0.96 0.79 3.57 0.04 1.04

TOM-25-011 291.00 309.50 18.50 1.81 0.42 0.31 1.97 0.01 0.60

including 295.90 296.40 0.50 4.83 1.12 0.42 5.40 0.04 3.10

including 307.50 309.50 2.00 16.12 3.77 2.63 9.47 0.05 4.30

341.00 342.00 1.00 2.83 0.65 0.07 1.00 0.02 2.59

344.10 345.00 0.90 4.69 1.09 0.39 3.50 0.04 3.16

TOM-25-012 283.85 285.00 1.15 5.51 1.31 0.71 4.10 0.88 0.02

TOM-25-013 No significant value

TOM-25-014 185.00 187.10 2.10 24.85 5.83 4.94 56.44 0.05 4.55

238.70 239.85 1.15 20.86 4.86 2.63 22.20 0.16 10.40

251.20 252.60 1.40 36.34 8.51 7.44 37.30 0.06 8.04

405.30 406.70 1.40 13.68 3.17 1.13 13.15 0.07 9.25

423.30 426.30 3.00 2.15 0.50 0.07 5.45 0.05 1.57

451.50 457.50 6.00 1.22 0.28 0.08 3.45 0.01 0.79

TOM-25-015 132.55 141.00 8.45 3.73 0.87 0.51 5.51 0.03 1.66

155.70 157.70 2.00 28.08 6.56 4.66 26.90 0.07 10.29

182.10 202.20 20.10 2.20 0.51 0.36 3.20 0.03 0.77

451.20 549.70 98.50 5.08 1.19 0.82 3.21 0.04 1.98

including 452.20 457.10 4.90 23.20 5.44 4.69 18.80 0.29 4.79

and including 500.35 549.70 49.35 6.46 1.51 0.90 3.48 0.03 3.13

including 521.00 535.60 14.60 9.07 2.11 1.34 5.91 0.04 4.12

including 537.85 541.10 3.25 9.00 2.09 0.88 3.85 0.05 5.82

including 542.00 548.20 6.20 13.39 3.12 1.63 5.26 0.05 7.43

Notes:

• The reported widths represent core lengths. True width is estimated to be approximately 80 -85% of the core

length, depending on the deviation angles.

• ZnEq and AuEq are calculated using the Company’s standard parameters.

• AuEq calculation was based on US$4,150/oz Au, $51.34/oz Ag, US$5.023/lb Cu and $1.392/lb Zn. AuEq = Au g/t

+ (Ag g/t × 0.01237) + (Cu ppm × 0.000083) + (Zn ppm × 0.000023), applying metallurgical recovery factors of 95%

for zinc, 85% for gold and silver, and 90% for copper, based on a metallurgical report on Berrigan Mine zinc

material prepared by Process Research Associates Ltd. in February 2002 and on recoveries from nearby deposits

for gold, silver and copper.

• ZnEq calculation was based on US$4 ,047/oz Au, $50.22/oz Ag, US$4.796/lb Cu and $1.390/lb Zn. ZnEq =

Zn ppm + (Ag g/t × 527) + (Au g/t x 42466) + (Cu ppm × 3.45) / 10,000, applying metallurgical recovery factors of

95% for zinc, 85% for gold and silver, and 90% for copper, based on a metallurgical report on Berrigan Mine zinc

material prepared by Process Research Associates Ltd. in February 2002 and on recoveries from nearby deposits

for gold, silver and copper.

Table 2: Berrigan Mine Drill Hole Collars

Hold ID Azimuth Dip Length UTM - East UTM - North Elevation

TOM-25-009 129.70 -55.40 276 542370 5532596 395

TOM-25-010 130.01 -55.05 252 542419 5532647 392

TOM-25-011 130.49 -55.03 417 542320 5532728 390

TOM-25-012 130.32 -60.04 408 542410 5532750 390.1

TOM-25-013 180.34 -55.49 453 542410 5532750 390

TOM-25-014 180.42 -49.56 630 542419 5532647 392

TOM-25-015 175.82 -66.35 659 542419 5532647 392

Drill Hole TOM-25-011

TOM-25-011 intersected multiple zones of interest , including 16.12% ZnEq (3.77 g/t AuEq) over 2.0 m ,

conﬁrming that the hydrothermal system is extensive and hosts signiﬁcant sulphide lenses. The hole cut

alternating sequences of peridotite and pyroxenite. Mineralization occurs as massive to semi -massive

stringers of pyrrhotite and sphalerite (locally u p to 20%), associated with intense carbonate, talc, and

tremolite alteration. The 18.50 m intersection highlights the width of the mineralized halo, while shorter

intervals conﬁrm the presence of high-grade gold and zinc lenses within the broader system.

Drill Holes TOM-25-012 and TOM-25-013

Although these holes returned more modest grades (5.51% ZnEq (1.31 g/t AuEq) over 1.15 m in TOM-25-

012), they intersected banded and brecciated shear zones characterized by strong hydrothermal alteration.

These indicators, together with a nearby 1,900 S BHEM conductive plate, suggest that the holes may have

skirted the margins of a semi-massive to massive sulphide lens potentially linked to the multiple lenses of

the Main Zone at Berrigan Mine.

Next Steps

The Company is currently mobilizing its resources to:

1. Extend drill holes TOM-25-009 through TOM-25-013 to test the depth vectors identiﬁed by the

BHEM survey.

2. Drill three additional holes to test the extensions of the massive BER-14C conductive plate.

3. Conduct a low-frequency surface EM survey to better deﬁne the lateral extent of the system.

About the Berrigan Mine Project

The Berrigan Mine property consists of 16 claims totalling 483 hectares located 4 km north -northwest of

the town of Chibougamau. TomaGold has an option to acquire 100% of the property from Chibougamau

Independent Mines Inc.

The property has been the subject of more than one historical estimate. Met-Chem Canada Inc. prepared

the most recent of these in April 2001 in a report titled: “Pre-feasibility study: Etude Conceptuelle, Projects

Berrigan and Tortigny” by Chuinard et al. In the report, a resource estimate completed using polygonal

estimation techniques stated 1.39 Mt grading 3.17% Zn and 1.77 g/t Au on the main Berrigan Mine zone.

No resource classiﬁcations were given for the resource (GM61359).

The mineral resource estimate presented above is historical in nature and was not prepared in accordance

with National Instrument 43 -101 standards. Accordingly, the reader is cautioned not to rely on this

estimate, as the Company is not treating the estimate as a current mineral resource. The qualiﬁed person

has not done suSicient work to make the resource current. Substantial data compilation, veriﬁcation, and,

potentially, additional drilling and resampling would be required by a qualiﬁed person before the historical

estimate could be classiﬁed as a current mineral resource. There can be no assurance that any portion of

the historical mineral resource will ultimately be conﬁrmed or demonstrated to be economically viable.

For further information regarding the Berrigan Mine Project, please consult the press release dated

September 13, 2023.

Technical Disclosure

The drilling program was managed by Explo-Logik of Val-d’Or, Québec. Drill core was split in half, with one

half submitted to AGAT Laboratories at Val -d’Or for analysis. Gold was analyzed by ﬁre assay (50 g) with

atomic absorption ﬁnish, while base metal s were analyzed by four -acid digestion with ICP -OES ﬁnish.

Samples with gold grades greater than 10 g/t are reprocessed using metallic screening with a 106 µm

cutoS. The processed material is split and analyzed by ﬁre assay with ICP -OES ﬁnish to extinc tion. A

separate split is prepared to independently analyze mineralized intervals with a target grade greater than

1.00% Cu-Zn using a Na₂O₂ fusion with ICP-OES or ICP-MS ﬁnish. Sample preparation duplicates, certiﬁed

reference standards, and blanks are inserted into the sample stream.

The technical content of this press release has been reviewed and approved by Jean Laﬂeur, P .Geo., Vice

President of Exploration of the Company, and Suzie Tremblay, P .Geo., Vice President of Operations at Explo-

Logik Inc. and a consultant to TomaGold, each acting as a Qualiﬁed Person under National Instrument 43-

101.

About TomaGold

TomaGold Corp. (TSXV: LOT, OTCPK: TOGOF) is a Canadian junior mining company focused on the

acquisition, exploration, and development of high -potential precious and base metal projects, with a

primary focus on gold and copper in Québec and Ontario. The Company’s core assets are located in the

Chibougamau Mining Camp in northern Québec, where it owns the Obalski gold-copper-silver project and

holds options to acquire 12 additional properties, including the Berrigan Mine, Brosnan, Radar and Dufault

projects. TomaGold also holds a 24.5% joint venture interest in the Baird gold property near the Red Lake

Mining Camp in Ontario. In addition, the Company has lithium and rare earth element (REE) projects in the

James Bay region, strategically positioned near significant recent discoveries.

Contact:

David Grondin

President and Chief Executive Officer

(514) 583-3490

www.tomagoldcorp.com

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Cautionary Statement on Forward-Looking Information

This news release includes certain statements that may be deemed “forward -looking statements” . All

statements in this news release, other than statements of historical facts, that address events or

developments that the Company expects to occur, are forwar d-looking statements. Forward -looking

statements are statements that are not historical facts and are generally, but not always, identiﬁed by the

words “expects” , “plans” , “anticipates” , “believes” , “intends” , “estimates” , “projects” , “potential” and

similar expressions, or that events or conditions “will” , “would” , “may” , “could” or “should” occur. Although

the Company believes the expectations expressed in such forward -looking statements are based on

reasonable assumptions, such statements are not guarantees of future performance and actual results

may diRer materially from those in the forward -looking statements. Factors that could cause the actual

results to diRer materially from those in forward -looking statements include the potential results of

exploration and drilling activities, market prices, continued availability of capital and ﬁnancing, and general

economic, market or business conditions. Investors are cautioned that any such statements are not

guarantees of future performance and actual results or developments may diRer materia lly from those

projected in the forward -looking statements. Forward -looking statements are based on the beliefs,

estimates and opinions of the Company's management on the date the statements are made. Except as

required by applicable securities laws, the C ompany undertakes no obligation to update these forward -

looking statements in the event that management’s beliefs, estimates, opinions, or other factors should

change.

Neither TSX Venture Exchange nor its Regulations Services Provider (as that term is deﬁned in the policies

of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.

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