eskay creek pfs technical report

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# eskay creek pfs technical report

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# eskay creek pfs technical report
Eskay Creek Project
NI 43-101 Technical Report and
Prefeasibility Study
British Columbia, Canada
Effective Date: 22 July, 2021
Prepared for: Skeena Resources Ltd.
Prepared by: Ausenco Engineering Canada Inc.
List of Qualified Persons: • Tommaso Roberto Raponi, P. Eng., Ausenco
• Scott Elfin, P.E., Ausenco • Sheila Ulansky, P. Geo., SRK Consulting • Rolf
Schmitt, P. Geo., ERM • Adrian Dance, P. Eng., SRK Consulting • Willie
Hamilton, P. Eng., AGP Mining Consultants • Roland Tosney, P. Eng., AGP
Mining Consultants
CERTIFICATE OF QUALIFIED PERSON
Adrian Dance, P. Eng.
I, Adrian Dance, P. Eng., certify that:
1. I am a Professional Engineer, currently employed as Principal Metallurgist, with SRK Consulting, with an office at
1066 W Hastings St, Vancouver, BC V6E 3X2.
2. This certificate applies to the technical report titled, “Eskay Creek Project N.I. 43-101 Technical Report and
Prefeasibility Study”, (the “Technical Report”), that has an effective date of 22 July 2021, (the “Effective Date”).
3. I am a graduate of the University of British Columbia in 1987 where I obtained a Bachelor of Applied Science and a
graduate of the University of Queensland in 1992 where I obtained a Doctorate.
4. I am a Professional Engineer, registered with Engineers and Geosciences of British Columbia, member number
37151.
5. I have practiced my profession for 29 years since graduation including 19 years as a consultant and have
experience working in a number of gold operations around the world.
6. I have read the definition of “Qualified Person” set out in the National Instrument 43-101 Standards of Disclosure
for Mineral Projects (“NI 43-101”) and certify that by virtue of my education, affiliation to a professional association
and past relevant work experience, I fulfill the requirements to be a “Qualified Person” for those sections of the
technical report that I am responsible for preparing.
7. I have not visited the Eskay Creek property.
8. I am responsible for sections 1.1, 1.2, 1.9, 1.9.1, 1.9.2, 1.24, 1.25, 2.2, 2.3, 2.4, 2.5, 2.6, 2.8, 2.9, 3, 13, 26, and 27 of
the Technical Report.
9. I am independent of Skeena Resources Ltd. (“Skeena”) as independence is described by Section 1.5 of the NI 43–
101.
10. I have been involved with the Eskay Creek property since 2019 during the preparation of the Preliminary
Economic Assessment report as well as supervised metallurgical testwork programs in 2019 and 2020.
11. I have read the NI 43–101 and the sections of the technical report for which I am responsible have been prepared
in compliance with that Instrument.
12. As of the Effective Date of the Technical Report, to the best of my knowledge, information and belief, the sections
of the Technical Report for which I am responsible contain all scientific and technical information that is required
to be disclosed to make those sections of the Technical Report not misleading.
Dated: 1 September 2021
“Signed and Sealed”
Adrian Dance, P. Eng.
APEGBC # 37151
CERTIFICATE OF QUALIFIED PERSON
Tommaso Roberto Raponi, P. Eng.
I, Tommaso Roberto Raponi, P. Eng., certify that:
1. I am a Professional Engineer, currently employed as Principal Metallurgist, with Ausenco Engineering Canada Inc.
(Canada), with an office at Suite 1550 11 King St West, Toronto, ONT M5H 4C7.
2. This certificate applies to the technical report titled, “Eskay Creek Project N.I. 43-101 Technical Report and
Prefeasibility Study”, (the “Technical Report”), that has an effective date of 22 July 2021, (the “Effective Date”).
3. I graduated from the University of Toronto with a Bachelor of Applied Science degree in Geological Engineering,
with specialization in Mineral Processing in 1984.
4. I am a Professional Engineer registered with the Professional Engineers Ontario (No. 90225970), Engineers and
Geoscientists British Columbia (No. 23536) and NWT and Nunavut Association of Professional Engineers and
Geoscientists (No. L4508).
5. I have practiced my profession continuously since 1984 with experience in the development, design, operation,
and commissioning of mineral processing plants, focusing on gold projects, both domestic and internationally. A
summary of the more recent portion of my professional career is as follows
• TR Raponi Consulting Ltd, Independent Consultant 2016-2021.
• Centerra Gold Inc., Director of Metallurgy 2005-2016.
• SNC-Lavalin Inc., Senior Metallurgist, 1995-2005.
6. I have read the definition of “Qualified Person” set out in the National Instrument 43-101 Standards of Disclosure
for Mineral Projects (“NI 43-101”) and certify that by virtue of my education, affiliation to a professional association
and past relevant work experience, I fulfill the requirements to be a “Qualified Person” for those sections of the
technical report that I am responsible for preparing.
7. I have not made a site visit to the Eskay Creek Project.
8. I am responsible for sections 1.1, 1.2, 1.3, 1.6, 1.15, 1.16.1,.16.2, 1.16.41.16.2, 1.16.4, 1.16.5, 1.18, 1.19, 1.19.1,
1.19.3, 1.19.5, 1.19.6, 1.20, 1.20.1, 1.20.3, 1.20.4, 1.20.5, 1.21, 1.22.3, 1.23, 1.23.4, 1.23.7, 1.24, 1.25, 2.1, 2.2, 2.3, 2.4,
2.5, 2.6, 2.7, 2.8, 2.9, 3, 6.2, 17, 18.1, 18.2, 18.7-18.10, 19, 21.1, 21.2, 21.2.1, 21.2.7-21.2.11, 21.3, 21.3.1-21.3.8, 22,
24, 25.1, 25.9, 25.12–25.17, 26, and 27 of the Technical Report.
9. I am independent of Skeena Resources Ltd. (“Skeena”) as independence is described by Section 1.5 of the NI 43–
101.
10. I have had no previous involvement with the Eskay Creek Project.
11. I have read the NI 43–101 and the sections of the technical report for which I am responsible have been prepared
in compliance with that Instrument.
12. As of the Effective Date of the Technical Report, to the best of my knowledge, information and belief, the sections
of the Technical Report for which I am responsible contain all scientific and technical information that is required
to be disclosed to make those sections of the Technical Report not misleading.
Dated: 1 September 2021
“Signed and Sealed”
Tommaso Roberto Raponi, P. Eng.
CERTIFICATE OF QUALIFIED PERSON
Roland Tosney, P. Eng.
I, Roland Tosney, P. Eng., certify that:
1. I am a Professional Engineer, currently contracted as a Senior Mining Geotechnical Engineer, with AGP Mining
Consultants Inc. (Canada), with an office at 132 Commerce Park Drive, Unit K #246, Barrie, ON, L4N 0Z7.
2. This certificate applies to the technical report titled, “Eskay Creek Project N.I. 43-101 Technical Report and
Prefeasibility Study”, (the “Technical Report”), that has an effective date of 22 July 2021, (the “Effective Date”).
3. I graduated from the University of Saskatchewan with a Bachelor of Engineering degree in Geological Engineering
in 1998, and a Master of Science Degree in Mining Geotechnical Engineering in 2001.
4. I am a Professional Engineer, registered with Engineers and Geosciences of British Columbia, member number
29393.
5. I have practiced my profession continuously since 1998 and have been involved with operations and consulting at
open-pit and underground mines in Canada and the United States, South America, and Africa. I have acquired
expertise in mining geotechnical assessments, evaluations and safety and operational improvements.
6. I have read the definition of “Qualified Person” set out in the National Instrument 43-101 Standards of Disclosure
for Mineral Projects (“NI 43-101”) and certify that by virtue of my education, affiliation to a professional association
and past relevant work experience, I fulfill the requirements to be a “Qualified Person” for those sections of the
technical report that I am responsible for preparing.
7. I visited the Eskay Creek Project on July 18 to 22, 2020 for a visit duration of five days, and October 27, 2020, for a
visit duration of one day.
8. I am responsible for section 1.1, 1.2, 1.14.1, 1.14.2, 1.24, 1.25, 2.2, 2.3, 2.4, 2.6, 2.8, 2.9, 3, 16.3, 16.3.1, 16.3.2, 26,
and 27 of the Technical Report.
9. I am independent of Skeena Resources Ltd. (“Skeena”) as independence is described by Section 1.5 of the NI 43–
101.
10. I have had no previous involvement with the Eskay Creek Project.
11. I have read the NI 43–101 and the sections of the technical report for which I am responsible have been prepared
in compliance with that Instrument.
12. As of the Effective Date of the Technical Report, to the best of my knowledge, information and belief, the sections
of the Technical Report for which I am responsible contain all scientific and technical information that is required
to be disclosed to make those sections of the Technical Report not misleading.
Dated: 1 September 2021
“Signed and Sealed”
Roland Tosney, P. Eng.
CERTIFICATE OF QUALIFIED PERSON
Rolf Schmitt, P. Geo.
I, Rolf Schmitt, P. Geo., certify that:
1. I am a Professional Geologist, currently employed as Technical Director, ERM, with an office at 1111 West Hastings
St, Vancouver, BC V6E 2J3.
2. This certificate applies to the technical report titled, “Eskay Creek Project N.I. 43-101 Technical Report and
Prefeasibility Study,” (the “Technical Report”), that has an effective date of 22 July 2021, (the “Effective Date”).
3. I graduated from the University of British Columbia with a Bachelor of Geology (Hons) in 1977, University of British
Columbia with a Master of Science (Regional Resource Planning) in 1985, and University of Ottawa with a Master
of Science Geology (1993), with specialization in exploration geochemistry.
4. I am a Professional Geologist, registered with Engineers and Geosciences of British Columbia, member number
121446.
5. I have practiced my profession continuously since 1977 and have been involved in: mineral exploration for porphyry
copper-gold and VMS deposits in British Columbia, exploration geochemical surveys across Canada, regional land
use policy and planning and mining regulatory development in British Columbia, in environmental assessment and
permitting of mines in British Columbia, and ESG due diligence of base and precious metal projects in numerous
countries throughout North and South America.
6. I have read the definition of “Qualified Person” set out in the National Instrument 43-101 Standards of Disclosure
for Mineral Projects (“NI 43-101”) and certify that by virtue of my education, affiliation to a professional association
and past relevant work experience, I fulfill the requirements to be a “Qualified Person” for those sections of the
technical report that I am responsible for preparing.
7. I conducted an aerial overflight of the Eskay Creek Project on July 19, 2019.
8. I am responsible for sections 1.1, 1.2, 1.4, 1.17, 1.17.1, 1.17.2, 1.17.3, 1.22.5, 1.23.6, 1.24, 1.25, 2.2, 2.3, 2.4, 2.6, 2.8,
2.9, 3, 4.4, 4.5, 4.7, 4.8, 4.9, 5, 20, 23, 25.16.2.6, 26, and 27 of the technical report.
9. I am independent of Skeena Resources Ltd. (“Skeena”) as independence is described by Section 1.5 of the NI 43–
101.
10. I have had no previous involvement with the Eskay Creek Project.
11. I have read the NI 43–101 and the sections of the technical report for which I am responsible have been prepared
in compliance with that Instrument.
12. As of the Effective Date of the Technical Report, to the best of my knowledge, information and belief, the sections
of the Technical Report for which I am responsible contain all scientific and technical information that is required
to be disclosed to make those sections of the Technical Report not misleading.
Dated: 1 September 2021
“Signed and Sealed”
Rolf Schmitt, M. Sc., P. Geo.
CERTIFICATE OF QUALIFIED PERSON
Scott Elfen, P.E.
I, Scott Elfen, P.E., certify that:
1. I am a Professional Engineer, currently em

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