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TriStar Gold Reports Positive Court Decision in Civil Public Action on Castelo de Sonhos

Legal & Disputes

TriStar Gold Reports Positive Court Decision

in Civil Public Action on Castelo de Sonhos

Scottsdale, Arizona--(Newsfile Corp. - December 3, 2025) -

TriStar Gold Inc.

(TSXV: TSG) (OTCQB:

TSGZF) (the "Company" or "TriStar") is pleased to provide an update on the Civil Public Action from the

Federal Prosecutor's Office ("MPF") seeking an injunction suspending the environmental licence for the

Castelo de Sonhos gold project; please see the Company's

August 6, 2025

press release for details.

In a recent decision, the Judge declined to rule on the injunction request from the MPF, instead moving

the case forward along the normal path. He ordered the MPF and FUNAI (the National Foundation of

Indigenous Peoples) as co-litigants to file a reply and identify any evidence they wish to produce, within

30 working days. Once these two parties have filed, the State of Pará and the Company will be provided

10 and 5 working days, respectively, during which the evidence that they wish to utilize will be indicated.

This sequence of events is estimated to end in March 2026.

Nick Appleyard, TriStar's President and CEO stated: "We view the Judge's decision to move the case

along the typical litigation path as very positive, with evidence-production being the next phase. The

State of Pará has already announced in its defense that the injunction must be denied, and it will request

a technical expert report to show there is no impact. It will be an important stage of the case, as we are

very confident in the robustness and reliability of our studies."

Mr. Appleyard continued, "As we head into the evidence production, it is important to keep in mind that

the Baú and Menkragnoti Indigenous Lands are over 20 km from the Directly Affected Area of the

Castelo de Sonhos gold project, which exceeds the reach of any possible future impacts from the project

and the

threshold in the federal Interministerial Ordinance No. 60/2015. Although the project is located

far from Indigenous Lands, a fact that was confirmed by FUNAI, distance was not TriStar's guiding factor,

TriStar also carried out technical studies that confirmed there are no impacts of any kind."

Figure 1: Castelo de Sonhos location relative to Protected and Conserved Areas

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

https://images.newsfilecorp.com/files/4509/276659_14f7b37f94337af8_002full.jpg

While this action is ongoing, the Licença Prévia (Preliminary License or LP) for Castelo de Sonhos

remains effective, with no restrictions. Please see Figure 1 above for a visual of the Castelo de Sonhos

project location relative to Indigenous Lands.

About TriStar

TriStar Gold is an exploration and development company focused on precious metals properties in the

Americas that have the potential to become significant producing mines. The Company's current flagship

property is Castelo de Sonhos in Pará State, Brazil. The Company's shares trade on the TSX Venture

Exchange under the symbol

TSG

and on the OTCQB under the symbol

TSGZF

. Further information is

available at

www.tristargold.com

.

On behalf of the board of directors of the company:

Nick Appleyard

President and CEO

For further information, please contact:

TriStar Gold Inc.

Nick Appleyard

President and CEO

480-794-1244

[email protected]

Neither the 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. No stock exchange, securities commission or other regulatory authority has

approved or disapproved the information contained herein.

Forward-Looking Statements

Certain statements contained in this press release may constitute forward-looking statements under Canadian securities legislation which are not

historical facts and are made pursuant to the "safe harbour" provisions under the United States Private Securities Litigation Reform Act of 1995.

Generally, forward-looking information can be identified by the use of forward-looking terminology such as "expects" or "it is expected", or

variations of such words and phrases or statements that certain actions, events or results "will" occur. Forward-looking statements in this press

release include, the Company's expectations regarding the outcome of the Civil Public Action referenced above, as well as the related injunction

application. Readers are cautioned that such forward-looking statements involve known and unknown risks, uncertainties and other factors that

may cause a change in such assumptions and the actual outcomes and estimates to be materially different from those estimated or anticipated

future results, achievements or position expressed or implied by those forward-looking statements. Risks, uncertainties and other factors that

could cause the Company's plans to change include the ongoing litigation process, and legislative, political or economic developments in Brazil.

Although management of the Company has attempted to identify important factors that could cause actual results to differ materially from those

contained in forward-looking statements or forward-looking information, there may be other factors that cause results not to be as anticipated,

estimated or intended. The Company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result

of new information, future events or otherwise, except as required by applicable securities laws.

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

https://www.newsfilecorp.com/release/276659