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LION One Announces Drilling and Development Update FOR the Tuvatu GOLD Project IN Fiji

Exploration Programs

311 West 1

st

Street, North Vancouver, BC, V7M 1B5

Tel: 604-998-1250 fax: 604-998-1253 NA toll-free: 1-855-805-1250

email: info (@) liononemetals.com web: www.liononemetals.com

LION ONE ANNOUNCES DRILLING AND DEVELOPMENT

UPDATE FOR THE TUVATU GOLD PROJECT IN FIJI

North Vancouver, B.C., May 9, 2017. Lion One Metals Limited (TSX-V: LIO) (ASX: LLO) (OTCQX: LOMLF)

(FSX: LY1) (the “Company”) is pleased to announce the following drilling and development update for its

100% owned and fully permitted high grade undergro und Tuvatu Gold Project located near Nadi on the

island of Viti Levu in the Republic of Fiji.

About Tuvatu

The Tuvatu Gold Project is located 17 km from the Nadi International Airport on the main island of Viti

Levu in Fiji. Discovered in 1987, Tuvatu is a high grad e, low sulphidation, epithermal gold deposit hosted

inside a South Pacific style volcanic caldera. The de posit occurs along the Viti Levu lineament, Fiji’s own

corridor of high grade gold deposits. Tuvatu is situat ed upon a 5 hectare footprint inside a larger 384

hectare mining lease. The project contains numerous high grade prospects proximal to Tuvatu, at depth,

and up to 1.50 km along strike from the resource area, giving near-term production potential and

further discovery upside inside of one of Fiji’s underexplored volcanic goldfields.

Tuvatu was advanced by previous owners through underground exploration and development from

1997 through to the completion of a feasibility study in 2000. Acquired by Lion One in 2011, the project

has over 100,000 meters of drilling completed to date in addition to 1,600 meters of underground

development.

In January 2016 the Hon. Prime Minister of Fiji, Mr. V. Bainimarama, formally presented the previously

granted Tuvatu Mining Lease to Lion One. This concluded the permitting process for the development

of an underground gold mine and processing plant at Tuvatu, demonstrating strong government support

for Fiji’s 85 year-old gold mining industry.

As per its independent June 1, 2015 NI 43-101 PEA Tec hnical Report on the Tuvatu Gold Project, the

Company envisages a low cost underground gold mini ng operation producing 352,931 ounces of gold at

head grades of 11.30 g/t Au over an initial 7 year mi ne life. This includes production of 262,000 ounces

at 15.30 g/t through to the end of year three. Estimated cash cost is US$567 per ounce with all-in

sustaining cost of US$779 per ounce. Total capex of US$48.6 million includes a contingency of US$6.1

million with an 18 month preproduction schedule and 18 month payback on capital. At a US$1,200 gold

price, the project generates net cash flow of US$112.66 million and an IRR of 52% (after tax). The

Company is not basing its production decision on a feasibility study of mineral reserves demonstrating

economic and technical viability; as a result there is increased uncertainty and economic and technical

risks associated with its production decision.

Drilling and Development

Mine engineering and underground development is progressing alongside final detailed engineering for

the Tuvatu processing plant and site infrastruc ture. The 2016-2017 drilling program continues with one

diamond drill rig operating at surface, and one u nderground. Drilling has successfully intersected high

grade zones of mineralization proximal to, and outsid e the current resource. Consequently the Company

has appointed an independent third party engineering firm to model the incoming results. The Company

believes the drilling currently underway has the potent ial to materially increase the tonnage and grade

of the mineralized zones targeted for extraction in the initial years of the Tuvatu mine plan.

311 West 1

st

Street, North Vancouver, BC, V7M 1B5

Tel: 604-998-1250 fax: 604-998-1253 NA toll-free: 1-855-805-1250

email: info (@) liononemetals.com web: www.liononemetals.com

Drilling Results

The Company commenced dr illing at Tuvatu in October 2016 with on e surface rig, followed by the

addition of an underground rig in March 2017. A to tal of 6,493 meters of diamond drilling has been

completed to date consis ting of 5,744m from 28 surface drill hole s, and 739m from 7 underground drill

holes. An additional 520m of drilling has been completed for geotechnical purposes in the area of the

proposed processing plant, and to confirm stability of the monzonite host rock underground. High grade

highlights include the following drilling results (see Table 1 below for a summary of 2016-2017 results):

- TUDDH 406 (8.41m @ 71.41 g/t Au from 96.10m, inc. 4.56m @ 126.67 g/t Au);

- TUDDH 407 (4.05m @ 12.32 g/t Au from 53.57m);

- TUDDH 409 (3.92m @ 12.54 g/t Au from 80.78m),

- TUDDH 410 (2.42m @ 24.07 g/t Au from 86.94m),

- TUDDH 419 (9.07m @ 14.89 g/t Au from 32.83m, inc. 5.57m @ 21.04 g/t Au from 36.33m).

Current drilling is following up on several very high grade intercepts and potential extensions of zones

identified in previous campaigns:

1) TUDDH 160 (4.22m @ 252.64 g/t Au from 332m; 4.12m @ 19.61g/t Au from 403.20m)

2) TUDDH 207 (8.85m @ 14.09g/t Au from 418.90m; 1.45m @ 19.78g/t Au from 418.90m)

3) Drilling targeting the northern, shallow extensions on the Tuvatu, SKL 3-8, and UR2 lodes.

Minimal diamond drilling has been undertaken on these lodes in the northern part of the

deposit and as such, there remains a high probability of extending mineralized lodes into these

areas. This area includes three reverse circul ation drill holes which had previously not been

followed up including TURC 142 ( 5m @ 22.5g/t Au) , TURC 156,(2m @ 11g/t Au) and TURC 171,

(6m @ 6.3 g/t Au)

4) Follow up of extensions of the east-west oriented Snake and Murau lodes to the west of the

exploration decline.

Plan and section views of the reported drilli ng areas are located on the Company website

https://liononemetals.com/news-media/image-gallery/.

The underground diamond drill rig has targeted the area north of the Core Shed Fault, where very little

previous drilling has been undertaken. Surface mapping and sampling has highlighted continuation of

those mineralized lodes to the north, in addition to a number of other zones of mineralization previously

untested. The main known lodes being tested include the UR2, Tuvatu and H lodes.

The current drilling program has identified a number of very high grade intercepts from outside the

proposed ore stopes planned in the 2015 Preliminary Ec onomic Assessment. In particular, the intercepts

in TUDDH 408, 419 and 425 fall well outside exis ting stopes, whilst TUDDH407, 409, 410 and others,

returned intersection on the ma rgins of existing planned stopes. Other diamond drill holes have

confirmed the existing mineralization in many of the other proposed stopes.

The most significant results received from all drilling to date have previously been reported (see news

releases dated November 28, 2016, December 21, 2016, February 14 2017, and in the Management

Discussion and Analysis for Period Ending March 31 st 2017. Below is a summary of select results from

the drilling undertaken in the 2016-2017 drill programs (Table 1):

311 West 1

st

Street, North Vancouver, BC, V7M 1B5

Tel: 604-998-1250 fax: 604-998-1253 NA toll-free: 1-855-805-1250

email: info (@) liononemetals.com web: www.liononemetals.com

Table 1: Select Tuvatu Drilling Results, May 2017

Drill Hole From (m) To (m) Interval

(m) Au (g/t) Zone

TUDDH 406 48.42 51.30 2.88 5.30 GRF/ SKL 2

70.93 71.23 0.30 23.30 SKL 4

72.30 73.55 1.25 10.16 SKL 4

96.10 104.51 8.41 71.41 UR 2

including 96.10 100.66 4.56 126.67 UR 2

and 102.71 104.51 1.80 12.58 UR 2

116.55 117.27 0.72 36.20 SKL 8?

TUDDH 407 53.57 61.60 8.03 4.68 SKL 3/4

including 55.76 61.60 5.84 6.26 SKL 3/4

71.43 75.48 4.05 12.32 SKL 6

TUDDH 408 41.60 41.90 0.30 76.60 SKL 4/ Snake

63.49 63.80 0.31 6.69 Nasivi

88.04 91.07 3.03 3.35 Murau 2

TUDDH 409 78.93 85.70 6.77 7.83 Murau 1

including 80.78 84.70 3.92 12.54 Murau 1

91.40 94.80 3.40 4.59 Murau 1 split

TUDDH410 86.94 89.36 2.42 24.07 Murau 1 HW

124.20 125.70 1.50 9.16 Murau 1 FW2

TUDDH 412 48.46 49.85 1.39 8.46 Tuvatu 2

TUDDH 418 201.30 202.60 1.30 13.02 Murau 3

171.20 171.49 0.29 16.60 URW 3

TUDDH 419 32.83 41.90 9.07 14.89 UR 2

including 36.33 41.90 5.57 21.04 UR 2

71.36 72.80 1.44 19.65 SKL 3

83.66 85.78 2.12 14.28 SKL 5

103.18 103.64 0.46 14.00 SKL 7

TUDDH 420 75.19 76.50 1.31 11.57 SKL 3

TUDDH 421 115.23 117.15 1.92 16.89 UR 4

TUDDH 425 46.35 49.20 2.85 19.78 UR 2

TUDDH 427 64.67 65.11 0.44 48.00 SKL 4

TUDDH 428 191.96 195.64 3.68 5.86 UR 2

* True widths of the drill hole intersection have not been determined from the information available.

311 West 1

st

Street, North Vancouver, BC, V7M 1B5

Tel: 604-998-1250 fax: 604-998-1253 NA toll-free: 1-855-805-1250

email: info (@) liononemetals.com web: www.liononemetals.com

Quality Control (QAQC)

All samples for this drilling program is marked, logged, and cut with a diamond saw onsite, placed in

sealed bags and sent to the Company’s Nadi office. Following inspection by the regulators in Fiji and

receipt of an export license, samples are then ship ped to Brisbane, Queensland for customs clearance,

and then couriered to the facilities of ALS Chemex in Townsville, also in Queensland, for sample

preparation and gold analysis by fire assay and mu lti-element ICP analysis. A Quality Control/Quality

Assurance program, including the insertion of standards, blanks and duplicates is ongoing.

Development Update

The Company continues to work alongside its EPC part ner Ansteel to complete the design and financing

of the Tuvatu Gold Project (see “Ansteel MOU” news release dated Augu st 24, 2016). Under mutual

agreement with Ansteel, The Company has contracted Yantai Jinpeng Mining Machinery Co Ltd, based in

Shandong Province, PRC, to complete the final detailed engineering design plans for the Tuvatu

processing plant, tailings dam, and surface infrastructure. The detailed design plans include the

laboratory, office complex, dry area, workshop fo r light vehicles and heavy underground machinery,

warehouse, conference facilities and mine site offices. The detailed engineering design is nearing

completion with site plans scheduled for delivery to Lion One in June 2017.

The Company has also contracted Canenco Consulti ng Corp., a Vancouver based process engineering

company, to manage Front End Engineering Design (FEED), including equipment specifications,

engineering plans, and design documentation for the processing plant to be constructed in the PRC to

North American standards. The procurement proc ess of mining equipment and processing plant

components is progressing with all equipment and long term lead items having been identified and

priced.

The Company has now dewatered the existing Tuvatu exploration decline past the 375m mark from the

portal down the decline. The decline was completed in the year 2000 by Emperor Gold Mines,

comprising 1,430 meters of underground developmen t including drives, cross cuts and raises. In

conjunction with the dewatering, ventilation fans and lighting have been installed and are running 24

hours per day. Minor slippage inside the Core Shed Fault area 140m inside the decline has now been

cleared and reinforced to ensure permanent and safe access past that area to areas further down the

decline for future drilling programs. The rehabilitat ion of this area has been approved by Mine

Inspectors from Fiji’s Mineral Resource Department.

Ian Chang, M.A.Sc., P.Eng., Chief Development Office r, is the Qualified Person ("QP") responsible for

Tuvatu Mine development. Stephen Mann, Managing Director, member of The Australasian Institute of

Mining and Metallurgy, is the Qualified Person (“QP”) responsible for the Tuvatu Mine exploration

program.

For more information on Lion One including technical reports please visit the Company’s website at

www.liononemetals.com or the SEDAR website at www.sedar.com .

On behalf of Lion One Metals Limited

“Walter H. Berukoff”

Chief Executive Officer

For further information please contact

Stephen Mann, Managing Director (Perth, Australia) Tel: 604-973-3007

311 West 1

st

Street, North Vancouver, BC, V7M 1B5

Tel: 604-998-1250 fax: 604-998-1253 NA toll-free: 1-855-805-1250

email: info (@) liononemetals.com web: www.liononemetals.com

Hamish Greig, Vice President (North Vancouver, BC) Tel: 604-973-3008

Joe Gray, Investor Relations (North Vancouver, BC) Tel: 604-973-3004

Toll Free IR Line (North America) Tel: 1-855-805-1250

Email: [email protected]

Neither the TSX Venture Exchange nor its Regulation Service Provider accepts responsibility for the adequacy or accuracy of this release.

This press release may contain "forward-looking information" within the meaning of applicable Canadian securities legislation. All statements,

other than statements of historical fact, included herein are forward looking inform ation. Generally, forward-looking informati on may be

identified by the use of forward-looking terminology such as "plans", "expects" or "does not expect", "proposed", "is expected" , "budget",

"scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or variations of such words and phrases, or

by the use of words or phrases which state that certain actions, events or results may, could, would, or might occur or be achi eved. This forward-

looking information reflects Lion One Metals Limited’s current beliefs and is based on information currently available to Lion One Metals Limited

and on assumptions Lion One Metals Limited believes are reasonable. These assumptions include, but are not limited to, the actu al results of

exploration projects being equivalent to or better than estimated results in technical reports, assessment reports, and other g eological reports or

prior exploration results. Forward-looking information is subject to known and unknown risks, uncertainties and other factors t hat may cause

the actual results, level of activity, performance or achievements of Lion One Metals Limited or its subsidiaries to be materia lly different from

those expressed or implied by such forward-looking information. Such risks and other factors may include, but are not limited t o: the early stage

development of Lion One Metals Limited, general business, economic, competitive, political and social uncertainties; the actual results of current

research and development or operational activities; competition; uncertainty as to patent applications and intellectual propert y rights; product

liability and lack of in surance; delay or failure to receive board or regulat ory approvals; ch anges in legisla tion, including e nvironmental

legislation, affecting mining, tim ing and availability of external financing on ac ceptable terms; not re alizing on the potentia l benefits of

technology; conclusions of economic evaluations; and lack of qualified, skilled labor or loss of key individuals. Although Lion One Metals Limited

has attempted to identify important factors that could cause actual results to differ materially from those contained in forwar d-looking

information, there may be other factors that cause results not to be as anticipated, estimated or intended. Accordingly, reader s should not place

undue reliance on forward-looking information. Lion One Metals Limited does not undertake to update any forward-looking informa tion, except

in accordance with applicable securities laws.