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Lion One Drills 1986.23 g/t Gold and 866.25 g/t Gold at Tuvatu, Grants Options Bonanza Grade Gold Intersected Outside Current Mine Plan

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Lion One Drills 1986.23 g/t Gold and 866.25 g/t

Gold at Tuvatu, Grants Options

Bonanza Grade Gold Intersected Outside Current Mine Plan

North Vancouver, British Columbia--(Newsfile Corp. - December 13, 2023) -

Lion One Metals Limited

(TSXV: LIO) (OTCQX: LOMLF) (ASX: LLO)

("Lion One" or the "Company")

is pleased to report

significant new high-grade gold results from ongoing infill and grade control drilling at its 100% owned

Tuvatu Alkaline Gold Project in Fiji.

Assay results are presented here for infill and grade control drilling completed in the Zone 5 area of

Tuvatu and include multiple bonanza grade gold results such as 1,986.23 g/t, 866.25 g/t, 135.60 g/t,

115.86 g/t, and many more. These exceptional drill intercepts are all located in the near surface portion

of Tuvatu and are scheduled for mining in 2024 and 2025. Most of the drill holes included in this news

release targeted areas outside the current mine plan and are being brought into an updated mine plan

for 2024. These results therefore represent an expansion of the current near-term mine plan.

Lion One Chairman and CEO Walter Berukoff commented: "We're very pleased with the results from our

Zone 5 infill and grade control drill program. These incredible results add to the growing list of

exceptional drill results returned from Tuvatu and provide strong support for our ongoing mining efforts in

Zone 5. We're excited to expand our near-term mine plan in Zone 5 and look forward to mining these

areas in 2024 and 2025."

Highlights of results (3.0 g/t cutoff):

1986.23 g/t Au over 0.6 m

(TUDDH-696, from 206.1 m depth)

198.75 g/t Au over 1.5 m

(including 866.25 g/t Au over 0.3 m) (TGC-0116, from 109.9 m depth)

83.32 g/t Au over 0.9 m

(TGC-0114, from 69.0 m depth)

26.67 g/t Au over 2.4 m

(including 135.60 g/t Au over 0.3 m) (TUDDH-688, from 247.7 m depth)

93.56 g/t Au over 0.6 m

(TUDDH-681, from 138.0 m depth)

26.38 g/t Au over 1.8 m

(including 61.48 g/t Au over 0.3 m) (TGC-0114, from 125.7 m depth)

7.79 g/t Au over 4.5 m

(including 20.55 g/t Au over 0.9 m) (TGC-0114, from 82.2 m depth)

52.36 g/t Au over 0.6 m

(TUDDH-696, from 192.9 m depth)

25.46 g/t Au over 1.2 m

(TUDDH-696, from 203.4 m depth)

25.90 g/t Au over 0.9 m

(TUDDH-692, from 226.0 m depth)

Previous results from Zone 5 are available in the news releases dated

November 2, 2023

,

August 10,

2023

, and

June 14, 2023

.

Figure 1. Location of Zone 5 Infill and Grade Control Drillholes.

Left image: Plan view of Tuvatu

showing Zone 5 infill and grade control drillholes in relation to the mineralized lodes at Tuvatu. Drillholes

are shown in black, mineralized lodes in pale grey, and underground developments in red. The yellow

dashed square represents the area illustrated in the image on the right. Right image: Oblique view of

Zone 5 infill and grade control drilling looking approximately northeast. Infill drilling was conducted from

surface whereas grade control drilling was conducted from underground.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_001full.jpg

Figure 2. Location of Zone 5 Infill and Grade Control Drilling in Relation to the Current 5-Year

Mine Plan.

The grade control drillholes and the northern infill drillholes reported in this news release are

targeting areas outside the current 5-year mine plan. The current 5-year mine plan is shown in green,

current underground developments in red, and drillholes are shown in yellow for visibility.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_002full.jpg

Table 1. Highlights of composited grade control and infill drill results in the Zone 5 area

.

Composites are calculated using a 3 g/t Au cutoff with maximum internal dilution intervals of 1 m at <3 g/t

Au. For full results see Table 2 in the appendix.

Hole ID

From

To

Interval (m)

Au (g/t)

TUDDH-696

206.1

206.7

0.6

1986.23

TGC-0116

109.9

111.4

1.5

198.75

including

110.8

111.4

0.6

491.06

which includes

110.8

111.1

0.3

866.25

and

111.1

111.4

0.3

115.86

TGC-0114

69

69.9

0.9

83.32

TUDDH-688

247.7

250.1

2.4

26.67

including

247.7

248.6

0.9

22.56

which includes

248.0

248.6

0.6

31.95

and also including

249.2

250.1

0.9

48.33

which includes

249.8

250.1

0.3

135.60

TUDDH-681

138.0

138.6

0.6

93.56

TGC-0114

125.7

127.5

1.8

26.38

including

125.7

126.0

0.3

9.97

and

126.0

126.3

0.3

35.56

and

126.3

126.6

0.3

61.48

and

126.6

126.9

0.3

25.52

and

126.9

127.5

0.6

12.89

TGC-0114

82.2

86.7

4.5

7.79

including

82.2

83.1

0.9

20.55

and

84.0

84.9

0.9

11.46

TUDDH-696

192.9

193.5

0.6

52.36

TUDDH-696

203.4

204.6

1.2

25.46

TUDDH-692

226.0

226.9

0.9

25.90

TUDDH-688

230.6

233.0

2.4

9.11

including

230.6

231.5

0.9

17.70

which includes

230.9

231.5

0.6

23.24

and also including

232.7

233.0

0.3

12.23

TUDDH-695

149.6

150.5

0.9

16.72

including

149.9

150.2

0.3

20.89

and

150.2

150.5

0.3

20.56

TUDDH-692

154.0

154.6

0.6

25.05

TUDDH-690

163.9

165.1

1.2

12.05

including

163.9

164.5

0.6

13.50

and

164.5

165.1

0.6

10.60

TUDDH-681

198.6

200.1

1.5

9.59

including

199.5

200.1

0.6

15.37

Zone 5

The Zone 5 area of Tuvatu is located along the main decline and includes the principal north-south

oriented lodes at Tuvatu (UR1, UR2, UR3), the principal northeast-southwest oriented lodes (UR4 to

UR8), and several smaller lodes to the west of the main decline (URW2, URW2A, URW3). The lodes in

Zone 5 are all steeply dipping structures. Zone 5 represents the upward extension of the Zone 500

feeder zone, which consists of a wide zone of very high-grade mineralization containing intercepts such

as 20.86 g/t Au over 75.9 m (TUG-141) and 17.52 g/t Au over 23.7 m (TUDDH-608).

A total of 4 grade control and 8 infill drillholes are included in this news release. The grade control and

infill drillholes reported here represent a continuation of the Zone 5 drill program reported in the

November 2, 2023

news release.

Figure 3. Main Zone at Tuvatu.

Left image: Plan view of Tuvatu identifying the lodes referenced in this

report. Right image: Section view looking northeast, showing the location of Zone 5 and Zone 500

relative to the lodes. Drillholes reported in this news release are shown in yellow for visibility.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_003full.jpg

Grade Control Drilling

The purpose of the Zone 5 grade control drill program is to provide a detailed understanding of the

mineralization and geometry of the UR1, UR2, and URW3 lodes both above and below the main decline.

The grade control drillholes reported in this news release were designed to target an area down-dip of

the current underground developments, as well as to test the northern extension of the UR1 lode proximal

to the main decline. The grade control drillholes reported here were drilled on 20 m centers and will be

followed up with additional drilling to increase drill density to 10 m centers in advance of mining. The

area targeted by these grade control drillholes is outside the current PEA mine plan but is being brought

into the mine plan for 2024. This includes the bonanza grade intersect of 866.25 g/t gold, which occurs

within a 1.5 m interval of 198.75 g/t gold.

Figure 4. Location of High-Grade Gold Intercepts from Zone 5 Grade Control Drilling, 3.0 g/t

cutoff.

High-grade gold intervals from Zone 5 grade control drillholes reported in this news release. The

grade control drilling targeted sections of the UR1, UR2, and URW3 lodes below current underground

developments, shown in red. Select high-grade intervals are identified. View is looking north.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_004full.jpg

Figure 5. Location of Zone 5 Grade Control Intercepts in Relation to the Current Mine Plan.

The

grade control drilling reported here is targeting an area approximately 90m north of the current mine

plan, shown in green. These high-grade intercepts represent an extension to the mine plan. View is to

the west.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_005full.jpg

Infill Drilling

The purpose of the Zone 5 infill drill program is to increase knowledge and grade continuity in the

portions of the UR1 to UR7 lodes located between the surface and the underground developments and

to further de-risk this portion of the deposit. The infill drillholes reported in this news release consist of a

northern group and a southern group. The northern group of infill drillholes were designed to infill the up-

dip portions of the UR1, UR2, and URW3 lodes and to test the northern extension of the UR1 lode. These

drillholes targeted areas outside the current mine plan. The southern group of infill drillholes were

designed to infill the up-dip portions of the UR1 to UR5 lodes in the southern part of the deposit, and to

test the northern extension of the UR6 lode. The areas targeted by infill drilling are scheduled for mining

in 2024 and 2025.

Figure 6. Location of High-Grade Gold Intercepts from Zone 5 Infill Drilling, 3.0 g/t cutoff.

High-

grade gold intervals from Zone 5 infill drillholes reported in this news release. Select high-grade intervals

are identified. View is looking approximately NNE.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_006full.jpg

Figure 7. Location of Select Zone 5 High-Grade Infill Intercepts in Relation to the Current Mine

Plan.

The 1983.23 g/t gold intercept is located approximately 20 m outside the current mine plan and is

scheduled to be mined in 2024. View is looking approximately south-southeast.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_007full.jpg

Figure 8. Example Mineralization from Zone 5 Infill and Grade Control Drilling.

Left: Chalcedonic

quartz vein with pyrite, sphalerite and coarse-grained gold up to 1 cm in size, within potassically altered

monzonite. Visible gold identified in circles (TUDDH-696, 206.4 m). Middle left: Same interval as left

image, with close-up view of cut core revealing extensive visible gold within the quartz vein (TUDDH-696,

206.4 m). Middle right: Coarse pyrite and honey sphalerite within moderately vuggy quartz vein (TGC-

0116, 111.0 m). Right: Coarse pyrite and honey sphalerite within vuggy quartz vein (TUDDH-695, 150.1

m). The examples of mineralization shown here are from the sample area reported in this release with full

assay results included in Appendix 1. Width of core is 4.76 cm in each photo.

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

https://images.newsfilecorp.com/files/2178/190840_40cd8283d425d910_008full.jpg

CAUTIONARY STATEMENT

Visual estimates of mineral abundance should never be considered a proxy or substitute for laboratory

analyses where metal concentrations or grades are the factors of principal economic interest. At Tuvatu,

coarse visible gold generally correlates well to high-grade mineralization. However, the actual grades

can only be determined by systematic sampling and assaying, results of which are included in Appendix

1.

Awards under the Omnibus Equity Incentive Plan

The Board has approved a grant of an aggregate of 6,630,000 options to various employees,

consultants, officers, and directors of the Company. The objective of the Omnibus Equity Plan is to

create an incentive compensation program that is aligned with the Company's long-term objectives.

Stock options are granted in accordance with Policy 4.4 - Security Based Compensation of the TSX

Venture Exchange (the "Exchange") and the terms and conditions of the 2022 Omnibus Equity Incentive

Plan. The options were granted at a price of $1.00 for a 5-year term in accordance with the following

vesting schedule: 1/3 of the stock options vesting on the date of the grant; 1/3 of the stock options

vesting one year following the grant date; and the remaining 1/3 of the options vesting 2 years following

the grant date.

Qualified Person

In accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-

101"), Sergio Cattalani, P.Geo, Senior Vice President Exploration, is the Qualified Person for the

Company and has reviewed and is responsible for the technical and scientific content of this news

release.

QAQC Procedures

Lion One adheres to rigorous QAQC procedures above and beyond basic regulatory guidelines in

conducting its drilling, sampling, testing, and analyses. The Company operates its own geochemical

assay laboratory and its own fleet of 7 diamond drill rigs using PQ, HQ and NQ sized drill rods.

Diamond drill core samples are logged and split by Lion One personnel on site and delivered to the Lion

One Laboratory for preparation and analysis. All samples are pulverized at the Lion One lab to 85%

passing through 75 microns and gold analysis is carried out using fire assay with an AA finish. Samples

that return grades greater than 0.50 g/t Au are re-assayed three times to get two assays within 10% of

each other. Samples that return grades greater than 10.00 g/t Au are re-analyzed by gravimetric method,

which is considered more accurate for very high-grade samples.

Duplicates of all samples with grades above 0.5 g/t Au are also delivered to ALS Global Laboratories in

Australia for check assay determinations using the same methods (Au-AA26 and Au-GRA22 where

applicable). ALS also analyses 33 pathfinder elements by HF-HNO3-HClO4 acid digestion, HCl leach

and ICP-AES (method ME-ICP61). The Lion One lab can test a range of up to 71 elements through

Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES), but currently focuses on a suite

of 9 important pathfinder elements.

The Lion One lab has implemented the Laboratory Information Management System (LIMS) to automate

workflows, integrate instruments, and effectively manage samples and associated data across all

analyses conducted in the lab.

About Lion One Metals Limited

Lion One Metals is an emerging Canadian gold producer headquartered in North Vancouver BC,

focused on advancing its flagship 100% owned Tuvatu Alkaline Gold Project in Fiji. Gold production at

Tuvatu was established in late 2023 following construction of the Company's 300 TPD pilot plant. The

Tuvatu project comprises the high-grade Tuvatu Alkaline Gold Deposit, the Underground Gold Mine, the

Pilot Plant, and the Assay Lab. The Company also has an extensive exploration license covering the

entire Navilawa Caldera, which is host to multiple mineralized zones and highly prospective exploration

targets. Lion One Metals is operated by a team of mining professionals with extensive international