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Austral Gold Executes Mining Service Agreements at Casposo

Partnerships & JV

Austral Gold Executes Mining Service

Agreements at Casposo

HIGHLIGHTS

Executed

two mining service agreements

with

local contractors

to support

open pit mining

at the

Casposo operation

.

Agreements cover

drilling and blasting

for the

Julieta and Mercado open pits

, and

loading

and haulage

services for both open pits and

existing stockpiles

.

Mining development activities

have commenced following execution of the agreements.

Production from Julieta, Mercado, and from existing stockpiles

, is expected to be the

primary source of ore supporting Casposo's annual production guidance in 2026

.

Casposo's first quarter of production

(ending December 2025),

is progressing in line with

guidance of 4,000-6,000 GEOs

provided on 14 October 2025.

Sydney, Australia--(Newsfile Corp. - December 23, 2025) -

Austral Gold Limited

(ASX: AGD) (TSXV:

AGLD) (OTCQB: AGLDF) ("Austral" or the "Company"), an established gold producer, is pleased to

announce that the Argentine branch of its subsidiary, Casposo Argentina Mining Ltd. ("Casposo"), has

entered into two material mining service agreements with local contractors in connection with planned

mining development activities at the Julieta and Mercado open pits at the 100%-owned Casposo Mine

in San Juan Province, Argentina:

(i)

ADL S.R.L. for drilling and blasting services; and

(ii)

DP Minería y Servicios S.R.L. for loading and haulage services.

Production from Julieta, Mercado, and the existing stockpiles, is expected to represent the primary

source of ore underpinning Casposo's 2026 production guidance of 11,000-13,000 GEOs for the six-

month period during which the Casposo plant is expected to process Casposo-sourced material only,

with the balance of the year expected to involve processing material from Challenger Gold's Hualilan

Project.

Total

Proven and Probable Mineral Reserves for Julieta, Mercado and the existing stockpiles are

estimated to contain of 43 thousand recoverable ounce of gold and 1.263 million ounces of silver, as

previously disclosed in the October 2025 Technical Report*.

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

https://images.newsfilecorp.com/files/690/278990_f70a7fe584cb8979_002full.jpg

Q4 2025 Casposo Operations Update:

Casposo's first quarter of production (ending December 2025), is progressing in line with guidance of

4,000-6,000 GEOs provided on 14 October 2025. Gold recovery rates are expected to be above 90%,

with cash costs per ounce (C1) anticipated to remain below US$1,900/oz, as previously disclosed in the

Company's September Quarterly Report dated 31 October 2025.

Material Terms of the Agreements:

Effective Date:

December 2025.

Duration:

36 months from commencement.

Scope:

ADL SRL: Drilling and blasting, supply of explosives and tools, compliance with safety and

environmental standards.

DP Minería y Servicios SRL: Loading and haulage of ore and waste, dump construction,

road maintenance.

Estimated Aggregate Value:

Approximately USD 42 million, plus VAT.

Payment Terms:

Monthly in USD at Banco Nación Argentina (BNA) exchange rate.

Performance Guarantee:

5% of contract value, provided via a surety bond.

Termination:

Either party may terminate the agreement in accordance with customary termination

provisions.

Safety & Environment:

Compliance with Casposo's operational procedures and applicable

Argentine laws.

Activities commenced at Mercado Pit

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

https://images.newsfilecorp.com/files/690/278990_f70a7fe584cb8979_003full.jpg

About Austral Gold

Austral Gold is a growing gold and silver mining producer building a portfolio of quality assets in the

Americas based on three strategic pillars: production, exploration and equity investments. Austral

continues to lay the foundation for its growth strategy by advancing its attractive portfolio of producing

and exploration assets. Under its equity investments pillar, Austral holds shares and options in ASX-

listed Unico Silver, as previously disclosed in the September 2025 Quarterly Report.

Competent Person's Statement

The information in this announcement that relates to Mineral Ore Reserves is based on information

supervised, or compiled by Marcos Valencia, a non-independent "Qualified Person" as defined by NI

43-101 and a "Competent Person" as defined in the JORC (2012) Code, either as a Member of the

Australian Institute of Geoscientists, or members in good standing of Recognised Professional

Organisations in Canada and the United States.

The Competent Person is an employee of the Company.

The Competent Person consents to the inclusion in this announcement of the matters based on his

information in the form and context in which it appears.

The Competent Person has sufficient experience which is relevant to the style of mineralisation and

types of deposits under consideration and to the activities undertaken to qualify as a Competent Person

as defined in the JORC (2012) Code.

No New Information Statement

Austral Gold confirms that it is not aware of any new information or data that materially affects the

information included in the October 2025 Technical Report, and that all material assumptions and

technical parameters underpinning the estimates in that report continue to apply and have not materially

changed.

For more information, please visit the Company's website at

www.australgold.com.

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

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

release.

Release approved on behalf of the Board by the Chief Executive Officer, Stabro Kasaneva.

For additional information please contact:

David Hwang

Jose Bordogna

Joint Company Secretary

Chief Financial Officer and Joint Company

Secretary

Austral Gold Limited

Austral Gold Limited

[email protected]

[email protected]

+61 433 292 290

+61 466 892 307

Forward-Looking Statements

Statements in this news release that are not historical facts are forward-looking statements. Forward-

looking statements are statements that are not historical, and consist primarily of projections and

statements regarding future plans, expectations and developments. Words such as "expects", "intends",

"plans", "may", "could", "potential", "should", "anticipates", "likely", "believes" and words of similar

expressions are intended to identify forward-looking statements. The forward-looking statement in this

news release include, but are not limited to, statements regarding anticipated production, operational

plans, and Austral Gold's strategic focus on production, exploration and equity investments".

All of these forward-looking statements are subject to a variety of known and unknown risks,

uncertainties and other factors that could cause actual events or results to differ from those expressed or

implied, including, without limitation, uncertainty of exploration programs, development plans and cost

estimates, commodity price fluctuations; political or economic instability and regulatory changes;

currency fluctuations, the state of the capital markets, uncertainty in the measurement of mineral

resources and reserves; and other risks and hazards related to the exploitation and development of

mineral properties, as well as the availability of capital. You are cautioned that the foregoing list is not

exhaustive of all factors and assumptions which may have been used. Austral cannot assure you that

actual events, performance or results will be consistent with these forward-looking statements, and

management's assumptions may prove to be incorrect. Austral's forward-looking statements reflect

current expectations regarding future events and operating performance and speak only as of the date

hereof and Austral does not assume any obligation to update forward-looking statements if

circumstances or management's beliefs, expectations or opinions should change other than as required

by applicable law. For the reasons set forth above, you should not place undue reliance on forward-

looking statements.

_________________________

* Technical Report on the Casposo Mine, Calingasta Department, San Juan Province, Argentina,” prepared in accordance with NI 43 101 by Austral

Gold Limited. Effective date: June 30, 2025; Signature date: October 14, 2025. Qualified Persons: Marcos Valencia (FAusIMM), Guillermo Valdés,

Francisco Pavez.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/278990