LOT.V · 2026-03-31 12:00:00

TomaGold Starts Drilling at Berrigan Mine 1,500-metre Phase 2 drilling program aimed at testing the newly-discovered Berrigan Deep Zone

Drill Results Exploration Programs

TSXV: LOT OTCPK: TOGOF PRESS RELEASE

TomaGold Starts Drilling at Berrigan Mine

1,500-metre Phase 2 drilling program aimed at testing

the newly-discovered Berrigan Deep Zone

Montréal, Québec, March 31, 2026 ‒ TOMAGOLD CORPORATION (TSXV: LOT; OTCPK: TOGOF)

(“TomaGold” or the “Company”) is pleased to announce that drilling has started at its Berrigan Mine

project, located in the Chibougamau Mining Camp, Québec.

The Phase 2 drilling program will consist of approximately 1,500 metres of diamond drilling , with ﬁve

extension holes targeting previously completed drill holes TOM-25-009 through TOM-25-013. The program

aims to further evaluate the Berrigan Deep zone at depth (see Figures 1 and 2), while additional drilling will

test new targets generated from ongoing geological and geophysical modeling.

David Grondin, President and CEO of TomaGold, stated: “This next phase will allow us to the test the

potential of the Berrigan Deep zone, where our best intercept to date returned 5.08% ZnEq (1.19 g/t AuEq)

over 98.50 m, including 23.20% ZnEq (5.44 g/t AuEq) over 4.90 m in drill hole TOM-25-015. Through these

ﬁve extension holes, we aim to reach the core of the modeled conductive plates, which could signiﬁcantly

increase the volume of identiﬁed mineralization.”

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: Summary of Phase 1 drilling results at the Berrigan Mine project

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.

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 su^icient 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 metals 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

cuto^. The processed material is split and analyzed by ﬁre assay with ICP -OES ﬁnish to extinction. 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 materially 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 Company 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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