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TriStar Gold Provides Update on Civil Public Action on Castelo De Sonhos

Corporate Updates

TriStar Gold Provides Update on Civil Public

Action on Castelo De Sonhos

Scottsdale, Arizona--(Newsfile Corp. - March 17, 2026) -

TriStar Gold Inc.

(TSXV: TSG) (OTCQB:

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

the Federal Prosecutor's Office ("MPF"). Legal filings were submitted in the ongoing Federal Civil Action

in Brazil, concerning the environmental licensing of TriStar's

Castelo de Sonhos

gold project.

The MPF and the National Foundation for Indigenous Peoples (FUNAI) argue that the State of Pará's

environmental licensing process failed to properly assess potential impacts on the Indigenous Kayapó

communities of the Baú and Menkragnoti Territories. They claim the licensing should have included an

Indigenous Component Study (ECI) and formal Free, Prior and Informed Consultation (FPIC).

The

State of Pará and TriStar

strongly contest these claims. The Company asserts that:

the environmental impact assessment (EIA/RIMA) was comprehensive, prepared by independent

specialists, and underwent more than two years of review by the state regulator (SEMAS);

technical studies demonstrate

no direct or indirect impacts

on Indigenous territories;

hydrological, geological, archaeological, and social assessments show no pathways of impact;

the project's tailings facility design meets stringent safety standards, and worst-case scenario

dam-break modelling shows no risk to Indigenous territories.

TriStar maintains that the licensing is fully compliant with Brazilian regulations. TriStar has demonstrated

that FUNAI's own technical assessments did not identify impacts requiring an ECI, and that the action

brought by the MPF lacks technical basis. The Company requests

dismissal of the lawsuit

or,

alternatively, a limited technical review that respects the procedural rules.

Nick Appleyard, TriStar's President and CEO stated: "We have now filed our formal response in the

proceedings initiated by the Federal Public Prosecutor's Office. The matter has entered the next

procedural stage before the Federal Court, and we believe the technical record clearly supports the

integrity of the environmental licensing process. We remain confident in the strength of our position and

will continue to engage constructively with the authorities to ensure full transparency and regulatory

certainty for the project."

Mr. Appleyard continued, "Management remains focused on ensuring regulatory clarity for the project

while working toward a timely and constructive resolution of the matters raised in the proceedings."

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

remains in place, with no restrictions. Please see Figure 1 below for a visual of the Castelo de Sonhos

project location relative to Indigenous Territories.

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/4509/288705_ad7b6105a428ba64_002full.jpg

About TriStar

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

Americas. 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/288705