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Assays up to 1,610 g/t Gold, 12 Intersections >20 g/t Gold, Demonstrates continuity of structure and grade Rising Sun Area Remains Open with Assays Pending for 15 Holes

Drill Results

1305 – 1090 West Georgia Street, Vancouver, BC, V6E 3V7

Phone: +1 604 685 9316 / Fax: +1 604 683 1585

NEWS RELEASE December 14, 2023

SXG Drills 9.3 m @ 94.9 g/t Gold (Uncut)

Hosted within 382 m @ 3.1 g/t Gold (Uncut) that traversed 10 high-grade veins

Assays up to 1,610 g/t Gold, 12 Intersections >20 g/t Gold,

Demonstrates continuity of structure and grade

Rising Sun Area Remains Open with Assays Pending for 15 Holes

Vancouver, Canada — Mawson Gold Limited (“Mawson” or the “Company”) (TSX:MAW)

(Frankfurt:MXR) (PINKSHEETS: MWSNF) announces the release of SDDSC092, another spectacularly long

intersection with extremely high -grades of gold-antimony mineralization including 9.3 m @ 94.9 g/t Au,

the third best result on the project to date , at the Sunday Creek Project in Victoria, Australia, owned 100%

by Southern Cross Gold Ltd. (“Southern Cross Gold” or “SXG”) (Figure 5).

Sunday Creek is 100% owned by Southern Cross Gold (“SXG”), which is an ASX listed company owned 51%

by Mawson. Two to four rigs continue to drill over the Christmas period in the main drill area at Sunday Creek

where 15 holes (SDDSC093-106, 109) are currently being geologically processed and chemically analyzed,

and four holes (SDDSC0107, 108A, 110, 111) are in drill progress (Figures 1-2).

Highlights:

• SDDSC092 drilled at the Rising Sun Prospect included 9.3 m @ 94.9 g/t Au (the third best result on the

project to date) and traversed 10 individual high grade vein sets (Figures 1 -3) within a broader interval of

382.3 m @ 3.4 g/t AuEq (3.1 g/t Au, 0.2 %Sb) from 382.3 m (uncut). Twelve intervals have >20

g/t Au (up to 1,610 g/t Au), 20 intervals have >15 g/t Au and 8 intervals have >5% Sb (up to

21.2% Sb).

• The hole is a 33 m to 44 m strike extension on the same horizontal level as the previously reported

drillhole SDDSC077B (404.4 m @ 5.6 g/t AuEq (uncut)), which traversed 13 individual high grade vein sets

(Figure 3).

• Selected highlights include:

o 6.2 m @ 4.1 g/t AuEq (2.1 g/t Au, 1.2% Sb) from 406.2 m, including:

 0.3 m @ 58.7 g/t AuEq (29.0 g/t Au, 18.8% Sb) from 412.0 m

o 11.7 m @ 4.4 g/t AuEq (2.8 g/t Au, 1.1% Sb) from 424.3 m, including:

 0.6 m @ 78.3 g/t AuEq (48.6 g/t Au, 18.8% Sb) from 427.6 m

o 5.4 m @ 6.2 g/t AuEq (6.2 g/t Au, 0.0% Sb) from 604.6 m, including:

 0.6 m @ 51.8 g/t AuEq (51.7 g/t Au, 0.1% Sb) from 609.0 m

o 18.3 m @ 5.0 g/t AuEq (4.4 g/t Au, 0.4% Sb) from 655.1 m, including:

 0.2 m @ 173.8 g/t AuEq (160.0 g/t Au, 8.7% Sb) from 655.1 m

 1.2 m @ 27.5 g/t AuEq (27.1 g/t Au, 0.3% Sb) from 668.7 m

o 9.3 m @ 95.9 g/t AuEq (94.9 g/t Au, 0.6% Sb) from 677.0 m, including:

 1.8 m @ 489.4 g/t AuEq (484.5 g/t Au, 3.1% Sb) from 683.1 m

• The Rising Sun area remains open up-dip, down-dip and along strike. 15 holes are currently being processed

and analyzed, with 4 holes currently in progress (Figures 1-2).

• Mawson owns 93,750,000 shares of SXG (51%), valuing its stake at A$105.0 million (C$93.5 million) based

on SXG’s closing price on December 13, 2023 AEST.

Noora Ahola, Mawson Interim CEO, states: “The last three months have been truly outstanding at the

Sunday Creek project in Victoria, Australia. Today’s release of SDDSC092 contains the third best intersection

drilled at the project (9.3 m @ 94.9 g/t Au ) with each of the top five results occurring since September.”

“Drilled to test the strike extensions of the high -grade vein sets at the Rising Sun area, SDDSC092

demonstrated greater volume at the property with a 33 m to 44 m strike extension along the “rungs of the

ladder” from SDDSC077B, which was released in September and intersected 13 high-grade veins over 404.4

m @ 5.6 g/t AuEq (uncut).”

“Although the summer holiday season is approaching in Australia, we expect a continuous flow of news from

Southern Cross Gold which has 15 holes currently in the lab and soon to be released and two to four rigs

continuing to drill over the Christmas period.”

Results Discussion

SDDSC092 drilled at the Rising Sun Prospect included 9.3 m @ 95.9 g/t AuEq (94.9 g/t Au, 0.6% Sb)

from 677.0 m within a broader interval of 382.3 m @ 3.4 g/t AuEq (3.1 g/t Au, 0.2 %Sb) from 382.3

m (uncut). The hole traversed 10 individual high grade vein sets (Figures 1- 3). Twelve intervals have

>20 g/t Au (up to 1,610 g/t Au), 20 intervals have >15 g/t Au and 8 intervals have >5% Sb (up

to 21.2% Sb).

SDDSC092 drilled a 33 m to 44 m strike extension of multiple mineralized veins at the same horizontal level

as previously reported drillhole SDDSC077B (( 404.4 m @ 5.6 g/t AuEq (uncut)), which traversed 13

individual high grade vein sets (Figures 3). Selected highlights include:

• 32.8 m @ 1.3 g/t AuEq (0.9 g/t Au, 0.2% Sb) from 313.0 m

• 6.2 m @ 4.1 g/t AuEq (2.1 g/t Au, 1.2% Sb) from 406.2 m, including:

o 0.3 m @ 58.7 g/t AuEq (29.0 g/t Au, 18.8% Sb) from 412.0 m

• 11.7 m @ 4.4 g/t AuEq (2.8 g/t Au, 1.1% Sb) from 424.3 m, including:

o 0.6 m @ 78.3 g/t AuEq (48.6 g/t Au, 18.8% Sb) from 427.6 m

• 35.4 m @ 1.3 g/t AuEq (1.1 g/t Au, 0.1% Sb) from 453.6 m, including:

o 1.7 m @ 8.4 g/t AuEq (7.9 g/t Au, 0.3% Sb) from 466.8 m

• 12.1 m @ 2.5 g/t AuEq (2.0 g/t Au, 0.4% Sb) from 566.1 m, including:

o 0.2 m @ 31.8 g/t AuEq (27.2 g/t Au, 2.9% Sb) from 570.2 m

o 1.2 m @ 17.0 g/t AuEq (12.6 g/t Au, 2.8% Sb) from 574.2 m

• 5.4 m @ 6.2 g/t AuEq (6.2 g/t Au, 0.0% Sb) from 604.6 m, including:

o 0.6 m @ 51.8 g/t AuEq (51.7 g/t Au, 0.1% Sb) from 609.0 m

• 0.7 m @ 10.1 g/t AuEq (5.0 g/t Au, 3.2% Sb) from 649.8 m, including:

• 18.3 m @ 5.0 g/t AuEq (4.4 g/t Au, 0.4% Sb) from 655.1 m, including:

o 0.2 m @ 173.8 g/t AuEq (160.0 g/t Au, 8.7% Sb) from 655.1 m

o 1.2 m @ 27.5 g/t AuEq (27.1 g/t Au, 0.3% Sb) from 668.7 m

• 9.3 m @ 95.9 g/t AuEq (94.9 g/t Au, 0.6% Sb) from 677.0 m, including:

o 1.8 m @ 489.4 g/t AuEq (484.5 g/t Au, 3.1% Sb) from 683.1 m

At these closer spacings the continuity of high-grade mineralized veins sets is encouraging. The very highest-

grade interval in SDDSC092 ( 0.4 m @ 1,610.0 g/t Au from 684.5 m) intersected the dyke host in the

RS80 vein. The closest intersection in the same vein set is SDDSC077B (0.7 m @ 18.2 g/t Au from 700.1

m), was drilled in the altered sediment hanging wall and is located 31 m to the NW. Drillhole SDDSC050 (0.6

m @ 57.6 g/t Au from 713.9 m) also intersected the RS80 vein 44 m below and 12 m along NW along

strike from SDDSC092.

Pending Results and Update

With two to four diamond drill rigs operating at site over the Christmas period , and A$11.8M cash (as of

August 31, 2023) Southern Cross Gold has stated that it anticipates drilling an additional 19,000 m by April

2024.

Fifteen holes (SDDSC093-106, 109) of those holes are currently being processed and anal yzed, with four

additional holes (SDDSC107, 108A, 110, 111) currently in progress (Figures 1 and 3).

Further discussion and analysis of the Sunday Creek project by Southern Cross Gold is available on the SXG

website at www.southerncrossgold.com.au.

No upper gold grade cut is applied in the averaging and intervals are reported as drill thickness. During future

Mineral Resource studies, the requirement for assay top cutting will be assessed.

Figures 1-5 show project location, plan, longitudinal and cross -sectional views of drill results reported here

and Tables 1- 3 provide collar and assay data. The true thickness of the mineralize d intervals reported are

interpreted to be approximately 60% to 70% of the sampled thickness. Lower grades were cut at 0.3 g/t Au

lower cutoff over a maximum width of 3 m with higher grades cut at 5.0 g/t Au lower cutoff over a maximum

of 1 m width, unless otherwise stated.

Technical Background and Qualified Person

The Qualified Person, Michael Hudson, Executive Chairman and a director of Mawson Gold, and a Fellow of

the Australasian Institute of Mining and Metallurgy, has reviewed , verified and approved the technical

contents of this release.

Analytical samples are transported to the Bendigo facility of On Site Laboratory Services (“On Site”) which

operates under both an ISO 9001 and NATA quality systems. Samples were prepared and analyzed for gold

using the fire assay technique (PE01S method; 25 gram charge), followed by measuring the gold in solution

with flame AAS equipment. Samples for multi-element analysis (BM011 and over-range methods as required)

use aqua regia digestion and ICP -MS analysis. The QA/QC program of Southern Cross Gold consists of the

systematic insertion of certified standards of known gold content, blanks within interpreted mineralized rock

and quarter core duplicates. In addition, On Site inserts blanks and standards into the analytical process.

MAW considers that both gold and antimony that are included in the gold equivalent calculation (“AuEq")

have reasonable potential to be recovered at Sunday Creek, given current geochemical understanding,

historic production statistics and geologically anal ogous mining operations. Historically, ore from Sunday

Creek was treated onsite or shipped to the Costerfield mine, located 54 km to the northwest of the project,

for processing during WW1. The Costerfield mine corridor, now owned by Mandalay Resources Ltd contains

two million ounces of equivalent gold (Mandalay Q3 2021 Results), and in 2020 was the sixth highest-grade

global underground mine and a top 5 global producer of antimony.

SXG considers that it is appropriate to adopt the same gold equivalent variables as Mandalay Resources Ltd

in its Mandalay Technical Report, 2022 dated March 25, 2022. The gold equivalence formula used by

Mandalay Resources was calculated using recoveries achieved at the Costerfield Property Brunswick

Processing Plant during 2020, using a gold price of US$1,700 per ounce, an antimony price of US$8,500 per

tonne and 2021 total year metal recoveries of 93% for gold and 95% for antimony, and is as follows: 𝐴𝐴 𝑢𝑢𝐸𝐸𝐸𝐸

= 𝐴𝐴𝑢𝑢 (𝑔𝑔/𝑡𝑡) + 1.58 × 𝑆𝑆𝑆𝑆 (%).

Based on the latest Costerfield calculation and given the similar geological styles and historic toll treatment

of Sunday Creek mineralization at Costerfield, SXG considers that a 𝐴𝐴𝑢𝑢𝐸𝐸𝐸𝐸 = 𝐴𝐴𝑢𝑢 (𝑔𝑔/𝑡𝑡) + 1.58 × 𝑆𝑆𝑆𝑆 (%) is

appropriate to use for the initial exploration targeting of gold-antimony mineralization at Sunday Creek.

About Mawson Gold Limited (TSX:MAW, FRANKFURT:MXR, OTCPINK:MWSNF)

Mawson Gold Limited has distinguished itself as a leading Nordic exploration company. Over the last decades, the team behind

Mawson has forged a long and successful record of discovering, financing, and advancing mineral projects in the Nordics and

Australia, including the Rajapalot Au-Co PEA-stage project in Finland, the Skellefteå Au discovery and a portfolio of historic uranium

resources in Sweden. Mawson also currently holds 51% of Southern Cross Gold Ltd. (ASX:SXG) which owns or controls three high-

grade, historic epizonal goldfields covering 470 km2 in Victoria, Australia, including the Sunday Creek Au-Sb asset.

About Southern Cross Gold Ltd (ASX:SXG)

Southern Cross Gold holds the 100%-owned Sunday Creek project in Victoria and Mt Isa project in Queensland, the Redcastle and

Whroo joint ventures in Victoria, Australia, and a strategic 10% holding in ASX-listed Nagambie Resources Limited (ASX:NAG) which

grants SXG a Right of First Refusal over a 3,300 square kilometer tenement package held by NAG in Victoria.

On behalf of the Board,

"Noora Ahola "

Noora Ahola, Interim CEO

Further Information

www.mawsongold.com

1305 – 1090 West Georgia St., Vancouver, BC, V6E 3V7

Mariana Bermudez (Canada), Corporate Secretary

+1 (604) 685 9316 [email protected]

Forward-Looking Statement

This news release contains forward- looking statements or forward- looking information within the meaning of applicable securities

laws (collectively, "forward-looking statements"). All statements herein, other than statements of historical fact, are forward-looking

statements. Although Mawson believes that such statements are reasonable, it can give no assurance that such expectations wil l

prove to be correct. Forward-looking statements are typically identified by words such as: believe, expect, anticipate, intend, estimate,

postulate, and similar expressions, or are those, which, by their nature, refer to future events. Mawson cautions investors t hat any

forward-looking statements are not guarantees of future results or performance, and that actual results may differ materially from

those in forward-looking statements as a result of various factors, including, Mawson’s expectations regarding its ownership interest

in Southern Cross Gold, capital and other costs varying significantly from estimates, changes in world metal markets, changes in

equity markets, the potential impact of epidemics, pandemics or other public health crises, including COVID -19, on the Company’s

business, risks related to negative publicity with respect to the Company or the mining industry in general; e xploration potential

being conceptual in nature, there being insufficient exploration to define a mineral resource on the Australian- projects owned by

SXG, and uncertainty if further exploration will result in the determination of a mineral resource; planned drill programs and results

varying from expectations, delays in obtaining results, equipment failure, unexpected geological conditions, local community relations,

dealings with non-governmental organizations, delays in operations due to permit grants, environmental and safety risks, and other

risks and uncertainties disclosed under the heading "Risk Factors" in Mawson's most recent Annual Information Form filed on SEDAR.

Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by applicable securities

laws, Mawson disclaims any intent or obligation to update any forward -looking statement, whether as a result of new information,

future events or results or otherwise.

ASX ANNOUNCEMENT Figure 1: Sunday Creek plan view showing SDDSC092 reported here (grey box), selected prior reported drill holes and

pending holes. For location see Figure 4.

Figure 2: Sunday Creek longitudinal section across A-B the plane of the dyke breccia/altered sediment host (see Figure

1) looking towards the north (striking 327 degrees) showing mineralized veins sets. Showing SDDSC092 reported here

and prior reported drill holes.

Figure 3: Sunday Creek inclined plan with 50 m influence looking down the plane of SDDSC092 (reported here) and

SDDSC077 and SDDSC050.

Drill holes SDDSC077B and SDDSC092 lie at the same horizontal level while SDDSC050 is located 50 m below both these

holes The very highest-grade interval in SDDSC092 (0.4 m @ 1,610.0 g/t Au from 684.5 m) intersected the dyke host in

the RS80 vein. The closest intersection in the same vein set is SDDSC077B (0.7 m @ 18.2 g/t Au from 700.1 m), was

drilled in the altered sediment hanging wall and is located 31 m to the NW. Drillhole SDDSC050 (0.6 m @ 57.6 g/t Au

from 713.9 m) also intersected the RS80 vein 44 m below and 12 m along NW along strike from SDDSC092.

Figure 4: Sunday Creek regional plan view showing LiDAR, soil sampling, structural framework, regional historic epizonal

gold mining areas and broad regional areas (Tonstal, Consols and Leviathan) tested by 12 holes for 2,383 m drill

program. The regional drill areas are at Tonstal, Consols and Leviathan located 4,000-7,500 m along strike from the main

drill area at Golden Dyke- Apollo.