Perpetua Resources Corp. · TSX:PPTA
Perpetua Resources — Investor Presentation (February 2021)
23 slides from Perpetua Resources's investor presentation, Feb 22, 2021
Slide 1: Perpetua Resources: Administrative Settlement Agreement and Order on Consent (ASAOC)
Feb r u ar y 2021 TSX :P P TA N A SDA Q:P P TA PERPETUA RESOURCES C r i t i c a l R e s o u r c e s . R e s p o n s i b l e M i n i n g . E n v i r o n m e n t a l R e s t o ra t i o n . A D M I N I S T R AT I V E S E T T L E M E N T A G R E E M E N T A N D O R D E R O N C O N S E N T (ASAOC) www.pe
Slide 2: Historical Stibnite Mining District
1890s The Thunder Mountain gold rush brings mining to the area 1900-1930 The town of Stibnite is established HISTORICAL 1938 Mining at Yellow Pine pit stops 1941-1950 STIBNITE MINING salmon migration upstream The town of Stibnite booms when antimony & tungsten were declared critical & strategic mine
Slide 3: The Stibnite Gold Project
THE STIBNITE GOLD PROJECT We can take an area abandoned after 100 years of mining activity and use a sustainable approach to restore the environment and develop a modern mining project with critical mineral production. 3
Slide 4: What Did We Need?
WHAT DID WE NEED? 1. Regulatory certainty on CERCLA 2. Agency alignment 3. Solution that fit our timing and finance limitations 4. Social license proof-point on our Commitment to Restore the Site 4
Slide 5: Water quality in the historical Stibnite Mining District is a problem
“ Water quality in the historical Stibnite Mining District is a problem and it has been for a very long time. Many of the issues we see at the site today were caused by mining activity during World War II and the Korean War – decades before we even existed. While we did not create the problems at th
Slide 6: Government Accountability Office report on abandoned hardrock mines
“ …nongovernmental organizations and mining companies, have limited their participation in projects to address environmental hazards at abandoned mines because of concerns about their potential legal liability under CERCLA and the Clean Water Act. T h e G o v e r n m e n t A c c o u n t a b i l i t
Slide 7: Three CERCLA settlements between previous operators and government agencies
2002-2012 Three CERCLA settlements between previous operators and U.S. government agencies provided some site improvements and allowed all parties to walk away from liability for the environmental conditions at Stibnite.
Slide 8: Stibnite Gold Project
STIBNITE GOLD PROJECT The SGP Plan of Restoration and Operations (PRO) addresses substantial legacy impacts Other areas remain that need environmental attention but are not associated with the SGP We need regulatory approval to address these areas
Slide 9: Administrative Settlement Agreement and Order on Consent
1. January 15, 2021 The Environmental Protection Agency and the U.S. Forest Service in concurrence with the U.S. Department of Justice, direct and authorize the Company to conduct early actions to improve water quality conditions at Stibnite. 2. Involvement by the Idaho Department of Administrative
Slide 10: Administrative Settlement Agreement and Order on Consent: Why It Works
WHY IT WORKS 1. Action Now: Directs the Company to conduct a first phase of clean up over four years to address time critical needs. 2. Comprehensive Cleanup: Should the Stibnite Gold Project be permitted and all parties agree, the ASAOC provides for cleanup of legacy waste outside of the Project fo
Slide 11: ASAOC Phase 1
ASAOC PHASE 1 • 3 water diversions to help keep ADDRESS CRITICAL AREAS clean water clean – away from known legacy contamination • Removal of ~325,000 tons of historical mine waste from problematic locations near the East Fork South Fork Salmon River • Biological Assessment • 404 Clean Water Act eval
Slide 12: Bridge Phase
BRIDGE PHASE OPTIONAL STUDY Evaluate the feasibility and cost effectiveness of Bradley Pit additional water diversions, capping/cover of mine waste in place, and targeted removal of additional waste materials Smelter Waste Repository to improve water quality. The Bradley NE Oxide Dumps, NW Bradley N
Slide 13: ASAOC Phases 2-3
ASAOC PHASES 2-3 • Phases initiated if the Stibnite Gold Project is approved and COMPREHENSIVE CLEANUP both parties agree. • Non-time critical removal actions which will have public involvement. • Provides permission to address all legacy areas that remain outside of the Stibnite Gold Project footpr
Slide 14: Bradley Dumps and Hennessy Creek
BRADLEY DUMPS AND HENNESSY CREEK SOLUTIONS: EARLY ACTIONS • Dumps composed of ~4.5 MT of sulfide altered waste • Inflows through EFSFSR reach that spans pit and dumps rock and overburden account for up to half of EFSFSR arsenic load depending • Hennessy Creek currently diverted upslope of dumps on s
Slide 15: DMEA Waste Rock Dump Area
DMEA WASTE ROCK DUMP AREA SOLUTIONS: EARLY ACTIONS • DMEA Adit and Waste Rock Dump • Located on USFS-managed land • Arsenic load in DMEA creek increases from upstream to downstream of dumps Reduction in water interacting with dump • DMEA area not included in Water conveyed Stibnite Gold Project arou
Slide 16: Meadow Creek Valley & Smelter Site
MEADOW CREEK VALLEY & SMELTER SITE SOLUTIONS: EARLY ACTIONS • Buried mill and smelter remnants and pond-deposited tailings • High arsenic and antimony in seeps and springs adjacent to area Water conveyed around mill site and tailings in pipe A or lined ditch A A’ Reduction in water interacting with
Slide 17: Remove Waste From Near East Fork South Fork Salmon River
Remove Waste From Near East Fork South Fork Salmon River Photo looking south along the EFSFSR from confluence with Sugar Creek NW Bradley dumps Relocate 100,000 tons of waste from toe of NW Bradley dump to top of dump On/Off Remove Bradley Pads Man Camp 200,000 tons On/Off of waste at Pads Bradley M
Slide 18: Adit Study
Bailey Tunnel Outlet Bonanza Adits ADIT STUDY Cinnabar Tunnel Adit Conduct baseline studies of Mine Influenced Water at five adits. Adits include: • Bailey Tunnel DMEA Adit • DMEA Adit • Bonanza Adits • Cinnabar Tunnel Meadow Creek • Meadow Creek Mine. Mine Adit Undertake baseline studies to inform
Slide 19: Financial Assurance: Considerations
Financial Assurance: Considerations The Financial Assurance (FA) component can be often overlooked or, minimally, neglected as part of the overall negotiation process. Securing FA can be a cumbersome, challenging, and time-consuming task. This can result in budgets being impacted in order to satisfy
Slide 20: Questions & Conversation
QUESTIONS & CONVERSATION
Slide 21: Regulatory Information
REGULATORY INFORMATION The FS was compiled by M3 Engineering & Technology Corporation (“M3”) in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”) under the direction of independent qualified persons (as defined in NI 43-101) (“Independent QPs”).
Slide 22: Forward Looking Statements
FORWARD LOOKING STATEMENTS Information and statement contained in this presentation that are not historical facts are “forward-looking information” or “forward-looking statements” (collectively, “Forward-Looking Information”) within the meaning of applicable Canadian securities legislation and the U
Slide 23: Thank You
THANK YOU. w w w. p e r p e t u a r e s o u r c e s . c o m 26
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