Algoma Steel Group Inc. · NASDAQ:ASTL
Algoma Steel — Corporate Update (September 2023)
19 slides from Algoma Steel's corporate update, Sep 12, 2023
Slide 1: Community Liaison Committee Meeting #46
Community Liaison Committee Meeting #46 Tuesday, Sept 12, 2023
Slide 2: Agenda
Agenda 1. Review of June 6th, 2023 meeting notes 2. Membership Items 3. Cokemaking Emissions Performance 4. Public Complaints 5. Electric Arc Steelmaking and Environmental Permit Applications 6. Legacy Environmental Action Plan 7. Next Meetings 2
Slide 3: Membership
Membership Current Members and Alternates Representation Primary Member Alternate Algoma Steel Fred Post Chris Galizia Ministry of Environment, Conservation & Parks Lori Jalak Rick Lalonde Public David Trowbridge Anton Schoahs Public Jillian Marquis Dan Gabor SSM Tribe of Chippewa Indians Kathie Bro
Slide 4: Cokemaking Emissions Performance
Cokemaking Emissions Progressive Annual Reduction Performance 30 Day Rolling Average % 100% Compliant with the Site Specific Implementation Charging Pushing Standard leak limits Date Doors Lids Off-takes Emissions Opacity (%) Key Performance Indicators related to Cokemaking July 2, 2015 38 0.8 25 12
Slide 5: All batteries performing below leak limits
Cokemaking Emissions Performance All batteries performing below leak limits 5
Slide 6: Actions taken to successfully correct pushing opacity
Cokemaking Emissions Performance Notes: • 2015 data begins on July 2nd when the standard came into force • 2022 data includes Jan 1, 2022 to Sept 1, 2023 • Number of audits per year vary based on changing operating conditions Actions taken to successfully correct pushing opacity 6
Slide 7: Cokemaking Stack Opacity
ALGOMA — STEEL INC. — Cokemaking Stack Opacity 30 Day Rolling Average of Opacity 70 ave 7 | ae f\ so , : —7 Battery Rolling Average —8 Battery Rolling Average —9 Battery Rolling Average r\ A Vi VA Aa Daily Average Opacity
Slide 8: Public Complaints
A detailed noise Public Complaints monitoring Public complaints received by Algoma since assessment was the last CLC include: conducted and a • Noise source has been • Odour identified. A • Particulate mitigation plan is underway. 8
Slide 9: Proposed Operational Transition to EAF Production Method
Proposed Operational Transition to EAF 2021-2024 2024-2025 2026 LONG-TERM CONSTRUCTION COMMISSION RAMP/ ALTERNATIG INDEPENDENT PERIOD PRODUCT CERTIFICATON HYBRID MODE MODE (“EAF PHASE I”) (“EAF PHASE II”) Coke Production Coke Production Reduced Coke EAF 1 | EAF 2 Production Method Blast Production B
Slide 10: Electric Arc Furnace Environmental Controls
Electric Arc Furnace Environmental Controls Fume Treatment Plants Water Treatment Plant Engineered Furnace Enclosures The fume treatment The water treatment plant These enclosures feature large plants capture air conserves water usage by doors which seal shut before and dust emissions recycling non-
Slide 11: Algoma's Shrinking Environmental Footprint
Algoma’s Shrinking Environmental Footprint Transition to Electric Arc Steelmaking • Algoma Steel has committed to transition its manufacturing process from the integrated basic oxygen steelmaking route to electric arc steelmaking. This process change will shrink Algoma’s environmental footprint dram
Slide 12: Electric Arc Furnace (EAF) Construction Update
Electric Arc Furnace (EAF) Construction Update Project Progress Concrete poured: est. > 15,000m3 EAF Building Foundations est. 99% complete EAF Equipment Piling - 99% complete EAF Equipment Foundations - Underway Fume Treatment Plant excavation and piling complete Fume Treatment Plant foundations –
Slide 13: Electric Arc Furnace Local Economic Impacts
Electric Arc Furnace Local Economic Impacts By the Numbers Community spend as of June 30, 2023 $56M Local suppliers engaged: 47 Project spend as of June 30, 2023 $341M Project budget: $828 - 878M Creation of 500 construction jobs (1) Photo taken August 30, 2023 (2) Project Estimates as of June 30,
Slide 14: Transition to Electric Arc Furnace Steelmaking
Transition to Electric Arc Furnace Steelmaking Applications for Environmental Compliance Approvals Over the course of the transition, contaminant loading to the water facility will decrease. Up to five existing effluent discharges and up to 7 14 existing noise sources will be eliminated.
Slide 15: Site Specific Standard Requests
Site Specific Standard Requests New Site-Specific Standards will govern the operating transition to electric arc steelmaking In March 2022, Algoma submitted a request for Algoma also submitted a new Site Specific Standard amended site-specific standards for benzene, application for sulfur dioxid
Slide 16: Site Greening
Site Greening Algoma’s site greening project consists of a four year plan to install 4.1 km of shoreline protection along the St. Mary’s River to prevent future erosion. The project has commenced with slope preparation and the placement of the clean rip- rap and armour stone. Once the stone is insta
Slide 17: Algoma Steel is committed to being a good neighbor
Algoma Steel is committed to being a good neighbor Exciting collaboration projects with Algoma University and Sault College Engagement with Batchewana First Nation, Garden River First Nation and Missanabie Cree Quarterly Community Liaison Committee meetings $1M Donation to Northway Wellness
Slide 18: Community Liaison Committee - Next Meetings
Community Liaison Committee - Next Meetings Proposed 2023/24 Schedule: • December 5th, 2023 • March 12th, 2024 • June 2025 18
Slide 19: Thank you
Thank you ALGOMA wu Dl EEL:ING ae YOUR PARTNER IN STEEL. SINCE 1901
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