December 2024 - Updated Pre-Feasibility Study for the Diablillos Ag-Au Project

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# December 2024 - Updated Pre-Feasibility Study for the Diablillos Ag-Au Project

Source: https://abrasilver.com/_resources/tech-reports/NI-43-101-Technical-Report-PFS-Diablillos-Project.pdf?v=050612
Published: 2025-01-17T00:00:00+00:00
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# December 2024 - Updated Pre-Feasibility Study for the Diablillos Ag-Au Project
NI 43-101 Technical Report, Pre - Feasibility Study for the
Diablillos Project, Salta & Catamarca Province, Argentina
Updated NI 43-101 TECHNICAL REPORT,
PRE-FEASIBILITY STUDY FOR THE
DIABLILLOS Ag-Au PROJECT
Salta & Catamarca Provinces, Argentina
Prepared for
AbraSilver Resource Corp.
Report Date: January 17th, 2025.
Effective Date: December 3rd, 2024.
Qualified Persons:
Luis Rodrigo Peralta, FAusIMM CP (Geo)- INSA
Joseph M. Keane, P. Eng., Q.P. (SME) - SGS
Miguel Fuentealba, P. Eng., Q.P. - Bmining
Shaida Miranda, MAusIMM CP – Mining Plus
Updated NI 43-101 Technical Report, Pre-Feasibility Study for the
Diablillos Project, Salta & Catamarca Provinces, Argentina
Important Notice
This report was prepared as a National Instrument 43-101 Technical Report for AbraSilver
Resources Corporation (“AbraSilver”) by a team of consultants contracted by AbraSilver (“the
Team”). The quality of information, conclusions and estimates contained herein is consistent
with the level of effort involved in the Team’s services, based on:
1. Information available at the time of preparation.
2. Data supplied by outside sources as detailed herein.
3. The assumptions, conditions, and qualifications set forth in this report.
This report is intended for use by AbraSilver subject to the terms and conditions of its
contracts with the consultants and the Team and to the relevant securities legislation. The
contracts permit AbraSilver to file this report as a technical report with Canadian securities
regulatory authorities, pursuant to National Instrument 43-101, Standards of Disclosure for
Mineral Projects. Except for the purposes legislated under provincial securities law or stock
exchange rules, any other uses of this report by any third party are at that party’s sole risk.
The responsibility for this disclosure remains with AbraSilver. The user of this document
should ensure that this is the most recent Technical Report for the property as it is not valid
if a new technical report has been issued.
Currency is expressed in U.S. dollars and metric units are used, unless otherwise stated. The
Report uses Canadian English.
Outside the purposes legislated under provincial securities laws, stock exchange rules or as
otherwise stipulated in client’s contract, this document shall not be reproduced in full or in
any edited, abridged or otherwise amended form unless expressly agreed in writing.
1
Updated NI 43-101 Technical Report, Pre-Feasibility Study for the
Diablillos Project, Salta & Catamarca Provinces, Argentina
Cautionary Statement
Certain information and statements contained in this report are “forward looking” in nature.
Forward-looking statements include, but are not limited to: statements with respect to the
economic and other parameters of the project; Mineral Resource and Reserve estimates; the
cost and timing of any development of the project; the proposed mine plan and mining
methods; dilution and mining recoveries; processing method and rates and production rates;
projected metallurgical recovery rates; infrastructure requirements; capital, operating and
sustaining cost estimates; the projected life of mine and other expected attributes of the
project; the net value per block value (NVB); taxation and royalties; capital; future metal
prices; the project location; the timing of the environmental assessment process; changes to
the project configuration that may be requested as a result of stakeholder or government
input to the environmental assessment process; government regulations and permitting
timelines; estimates of reclamation obligations; requirements for additional capital;
environmental risks; and general business and economic conditions.
All forward-looking statements in this report are necessarily based on opinions and estimates
made as of the date such statements are made and are subject to important risk factors and
uncertainties, many of which cannot be controlled or predicted. In addition to, and subject
to, such specific assumptions discussed in more detail elsewhere in this report, the forward-
looking statements in this report are subject to the following assumptions:
• There being no signification disruptions affecting the development and operation of
the project.
• Exchange rate assumptions being approximately consistent with the assumptions in
the Report.
• The availability of certain consumables and services and the prices for power and
other key supplies being approximately consistent with assumptions in the report.
• Labour and materials costs being approximately consistent with assumptions in the
report.
• Assumptions made in Mineral Resource and Reserve estimates, including, but not
limited to, geological interpretation, grades, metal price assumptions, metallurgical
and mining recovery rates, geotechnical and hydrogeological assumptions, capital and
operating cost estimates, and general marketing, political, business, and economic
conditions.
2
Updated NI 43-101 Technical Report, Pre-Feasibility Study for the
Diablillos Project, Salta & Catamarca Provinces, Argentina
CERTIFICATE OF QUALIFIED PERSON
I, Luis Rodrigo Peralta, B.Sc. (Geo) FAusIMM CP (Geo), do hereby certify that I am author of
the Sections; 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.8, 1.12, 1.13, 1.14, 1.15, 1.17, 1.18, 1.19 (partial), 2
to 12, 14, 18 to 20, 21, 23, 24, 25.1, 26.1, 26.4, 26.5 and 27 of the Technical Report titled
"Updated NI 43-101 Technical Report, Pre-Feasibility Study for the Diablillos Project, Salta &
Catamarca Provinces, Argentina” prepared for AbraSilver Resource Corp. and dated January
17th, 2025 (the “Technical Report”)..
1. My current work address is Virgen de Lourdes Oeste 1275, Capital, San Juan, Argentina, 5400.
2. I am an independent Senior Resource Geologist.
3. I graduated with a Bachelor in Geology Science from the National University of San Juan, San Juan City,
Argentina in 2008.
4. I am a registered Fellow and Chartered Professional in good standing of the Australasian Institute of
Mining and Metallurgy, since 2010. FAusIMM membership number 304480.
5. I have practiced my profession continuously since 2008. My relevant experience includes over 15 years´
experience working in relevant open pit and underground mines in South America. I have advanced in
position since exploration geologist, senior resource geologist to Technical Services Manager, overseen
the Mineral Resource estimate at Casposo Mine, Cerro Vanguardia Mine, El Toqui Mine, Pirquitas Mine,
Chinchillas Mine, and other projects. Also, I have worked as geologist consultant evaluating projects in
South America in all their levels of study: green field exploration, brownfield exploration to resource
definition and mining production.
6. I have read the definition of "Qualified Person" set out in National Instrument 43-101 ("NI 43-101") and
certify that by reason of my education, affiliation with a professional association (as defined in NI 43-
101) and past relevant work experience, I fulfil the requirements to be a "Qualified Person" for the
purposes of NI 43-101.
7. I am responsible for the preparation of sections 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.8, 1.12, 1.13, 1.14, 1.15,
1.17, 1.18, 1.19 (partial), 2 to 12, 14, 18 to 20, 21, 23, 24, 25.1, 26.1, 26.4, 26.5 and 27.
8. I have previously participated in the preparation of five Technical Reports for this property, dated
October 28th, 2021: January 3rd, 2022, and November 28th, 2022, April 30th 2024, and May 29th, 2024 as
an independent senior consultant.
9. I am not aware of any material fact or material change with respect to the subject matter of the
Technical Report that is not reflected in the Technical Report, the omission to disclose which makes the
Technical Report misleading.
10. I am independent of AbraSilver Resource Corp. (the Issuer) applying all the tests in section 1.5 of
National Instrument 43-101.
11. I have read National Instrument 43-101 and Form 43-101F1, and the Technical Report has been
prepared in compliance with that instrument and form.
12. I visited the Property from April 24th to May 03rd, from October 02nd to October 8th, 2023, and from
October 18th to October 22nd, 2024, for the purposes of this report.
13. I consent to the filing of the Technical Report with any stock exchange and other regulatory authority
and any publication by them for regulatory purposes, including electronic publication in the public
company files on their websites accessible by the public, of the Technical Report.
Dated this 17TH day of January in 2025.
“Signed and Sealed”
Luis Rodrigo Peralta, Bachelor in Geology Science, FAusIMM CP (Geo).
Fellow of the Australian Institute of Mining and Metallurgy – Membership Number 304480.
3
Updated NI 43-101 Technical Report, Pre-Feasibility Study for the
Diablillos Project, Salta & Catamarca Provinces, Argentina
CERTIFICATE OF QUALIFIED PERSON
I, Joseph M. Keane, P.Eng. do hereby certify that:
1. I am an Independent Mineral Processing Engineer Consultant and a Registered Member of the SME. I
contributed to the report entitled "Updated NI 43-101 Technical Report, Pre-Feasibility Study for the
Diablillos Project, Salta & Catamarca Provinces, Argentina” (the “Technical Report”) prepared for
AbraSilver Resource Corp. and dated January 17th, 2025, as an associate of the following organization:
SGS North America Inc., 3845 North Business Centre Drive, Tucson, Arizona 85705, Telephone: 520-
579-8315, Fax: 520-579-7045, E-Mail: Joseph.Keane@sgs.com
2. This certificate specifically applies to the Technical Report referenced above.
3. I graduated with a degree of Bachelor of Science in Metallurgical Engineering from the Montana School
of Mines in 1962. I obtained a Master of Science degree in Mineral Processing Engineering in 1966 from
the Montana College of Mineral Science and Technology. In 1989, I received a Distinguished Alumni
Award from that institution. I have worked as a metallurgical engineer for a total of 60 years since my
graduation from university.
4. I am a member of the Society for Mining, Metallurgy, and Exploration, lnc. (SME# 1682600) and am a
registered professional metallurgical engineer in Arizona (#12979) and Nevada #5462).
5. I visited the property on 13th to 14th September 2022.
6. I have not had prior involvement with the property considered in the Technical Report.
7. I have read the definition of "Qualified Person" set out in National Instrument 43-101 ("NI 43-101") and
certify that by reason of my education, affiliation with a professional association (as defined in NI 43-
101) and past relevant work experience, I fulfil the requirements to be a "Qualified Person" for the
purposes of NI 43-101.
8. I am responsible for Section 1.7, 1.11, 1.19 (partial), 13, 17, 5.4, 26.3 and 27 of the Technical Report,
and I am the Qualified Person for matters relating to the information contained in that report section.
9. I am independent of the issuer applying all the tests in Section 1.5 of NI 43-101.
10. As of the date of this certificate, to the best of my knowledge, information, and belief, the technical
report section for which I am responsible contains all scientific and technical information that is
required to be disclosed to make the technical report not misleading.
11. I consent to the filing of the Technical Report with any stock exchange and other regulatory authority
and any publication by them, including electronic publication in the public company files on their
websites assessable by the public.
Dated this 17TH day of January in 2025.
“Signed and Sealed”
Joseph M. Keane, P.E.,

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