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Constitutional Court of Ecuador Prioritizes the Environmental Consultation Process Writ

Legal & Disputes

Date:

News Release:

Ticker Symbols:

September 11, 2023

23-15

ADZN (TSXV), ADVZF (OTCQX), SRL (TSXV) SRLZF (OTCQB)

– 1 of 2 –

Constitutional Court of Ecuador Prioritizes the Environmental Consultation Process Writ

Toronto, September 11, 2023 – Adventus Mining Corporation (“Adventus”) (TSX-V: ADZN, OTCQX: ADVZF) and Salazar

Resources Limited (“Salazar”) (TSX-V: SRL, OTCQB: SRLZF) (collectively the “ Participants”) are pleased to provide an

update from the writ issued by the Constitutional Court of Ecuador (the “Court”), which follows the news release from

August 2, 2023. On August 1, 2023, the Court admitted for processing an unconstitutionality claim filed by the indigenous

group CONAIE and other complainants against Presidential Decree 754 (the "Decree") which regulates the environmental

consultation process. All environmental consultation processes across all public and private sectors were suspended and

were to await resolution of the matter by the Court, including the Participants’ El Domo – Curipamba project (“El Domo”).

On September 7, 2023, in a follow-on writ, the Court declared the process as priority and set a public hearing for

September 18, 2023. Historically, the Court can be expected to issue a resolution within two to three months following

the public hearing commencement. Such ruling is expected to provide clarifications to the Decree and corresponding final

step in the El Domo environmental consultation process.

The ruling is expected to give a clear path forward for the El Domo environmental license. Once the environmental

consultation process is restarted, the timing for final environmental and social impact assessment approval for El Domo

could be as short as two months, with construction activities commencing shortly thereafter. In light of this update, the

Participants have updated execution plans for the potential start of construction activities in the second quarter of 2024.

Working closely with El Domo stakeholders, the Participants continue to advance and finalize detailed engineering,

secondary permits, as well as a financial investment through strategic discussions with third parties.

About Adventus

Adventus Mining Corporation is an Ecuador-focused copper-gold exploration and development company. Adventus Mining is majority

owner of the 215 sq. km Curipamba copper -gold project, which has a completed feasibility study on the shallow and high- grade El

Domo deposit. In addition, Adventus Mining is engaged in a country-wide exploration alliance in Ecuador, which has incorporated the

Pijili and Santiago copper-gold porphyry projects to date. Outside of Ecuador, Adventus Mining owns an exploration project portfolio

in Ireland with South32 Limited as the funding participant. Its strategic shareholders include Altius Minerals Corporation, Greenstone

Resources LP, Wheaton Precious Metals Corp., and the Nobis Group of Ecuador. Adventus Mining is based in Toronto, Canada, and is

listed on the TSX Venture Exchange under the symbol ADZN and trades on the OTCQX under the symbol ADVZF.

About Salazar

Salazar Resources Limited is focused on creating value and positive change through discovery, exploration, and development in

Ecuador. The team has an unrivalled understanding of the geology in-country and has played an integral role in the discovery of many

of the major projects in Ecuador, including the two newest operating gold and copper mines. Salazar Resources has a wholly ow ned

pipeline of copper-gold exploration projects across Ecuador with a strategy to make another commercial discovery and farm-out non-

core assets. The Company actively engages with Ecuadorian communities and together with the Salazar family it co -founded The

Salazar Foundation, an independent non- profit organization dedicated to sustainable progress through economic development. Th e

Company already has carried interests in three projects. At its maiden discovery, Curipamba, Salazar Resources has a 25% stake fully

carried through to production. At two copper -gold porphyry projects, Pijili and Santiago, the Company has a 20% stake ful ly carried

through to a construction decision.

Date:

News Release:

Ticker Symbols:

September 11, 2023

23-15

ADZN (TSXV), ADVZF (OTCQX), SRL (TSXV) SRLZF (OTCQB)

– 2 of 2 –

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 news release.

This release contains certain “forward looking statements” and certain “forward -looking information” as “defined under applicable Canadian and

U.S. securities laws. Forward -looking statements and information can generally be identified by the use of forwar d-looking terminology such as

“may”, “will”, “should”, “expect”, “intend”, “estimate”, “anticipate”, “believe”, “continue”, “plans” or similar terminology. The forward -looking

information contained herein is provided for the purpose of assisting readers in understanding management’s current expectations and plans relating

to the future. Readers are cautioned that such information may not be appropriate for other purposes.

Forward-looking statements relate to future events or future performance and reflect the Participants expectations or beliefs regarding future events.

Forward-looking statements include, but are not limited to: the discussions regarding strategies for the development of El -Domo; the adoption of a

strategy and the timing thereof; the obtaining of environmental licensing approval for the El-Domo and the timing thereof; the start of construction

at El Domo and the timing thereof; and the timing and resolution of the Court. By their very nature, forward-looking statements involve known and

unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materiall y different from any

future results, performance or achievements expressed or implied by the forward -looking statements. Such factors include, amongst others, risks

related to the exploration, development, production, recoveries and other anticipated or possible future developments at El Domo, including, without

limitation, that exploration, development and production activities will not occur or be as anticipated and that environmental lice nsing will not be

approved; failure to obtain the environmental licensing approval for the El-Domo and to start construction; the Court will not have a favorable ruling

or in the expected time period; and general economic, business and political conditions.

Forward-looking information are based on management of the parties' reasonable assumptions, estimates, expectations, analyses and opi nions,

which are based on such management's experience and perception of trends, current conditions and expected developments, and other factors that

management believes are relevant and reasonable in the circumstances, but which may prove to be incorrect. Such factors, amon g other things,

include: business integration risks; fluctuations in general macroeconomic conditions; f luctuations in securities markets; fluctuations in spot and

forward prices of copper or certain other commodities; change in national and local governments, legislation, taxation, contr ols, regulations and

political or economic developments; risks and hazards associated with the business of mineral exploration, development and mining (including

environmental hazards, industrial accidents, unusual or unexpected formations pressures, cave-ins and flooding); discrepancies between actual and

estimated metallurgical recoveries; inability to obtain adequate insurance to cover risks and hazards; the presence of laws and regulations that may

impose restrictions on mining; employee relations; relationships with and claims by local communities and indigenous populati ons; availability of

increasing costs associated with mining inputs and labour; the speculative nature of mineral exploration and development (inc luding the risks of

obtaining necessary licenses, permits and approvals from government authorities); and title to properties.

The Participants undertake no obligation to update forward -looking information except as required by applicable law. Such forward -looking

information represents management's best judgment based on the information currently available. No forward-looking statement can be guaranteed

and actual future results may vary materially. Accordingly, readers are advised not to place undue reliance on forward -looking statements or

information.

For further information from Adventus Mining, please contact Christian Kargl -Simard, President and Chief Executive

Officer, at +1-416-230-3440 or [email protected]. Please also visit the Adventus Mining website at

www.adventusmining.com.

For further information from Salazar Resources, please contact Freddy D. Salazar, Manager – Corporate Development, at

+593 98 548 9355 or [email protected]. Please also visit the Salazar Resources website at

www.salazarresources.com.