Algoma Steel Group Inc. · NASDAQ:ASTL
Algoma Steel — Corporate Update (September 2025)
24 slides from Algoma Steel's corporate update, Sep 16, 2025
Slide 1: Community Liaison Committee Meeting #54
Community Liaison Committee Meeting #54 Tuesday, September 16th, 2025
Slide 2: Building Better Lives and a Greener Future
Building Better Lives and a Greener Future Safety • Teamwork • Integrity • Caring With every decision, every action, every day, we will work safely with teamwork, integrity and deep care for our people, their families and the environment.
Slide 3: Agenda
Agenda 1. Review of June 3, 2025 Meeting Notes 2. Membership Items 3. Cokemaking Emissions Performance 4. Review 2025 Second Quarterly Report – Ambient Air Quality Monitoring Program 5. TAGA Report Review 6. Electric Arc Steelmaking and Environmental Permit Applications 7. Legacy Environmental Actio
Slide 4: Membership
Membership Current Members and Alternates Representation Primary Member Alternate Algoma Steel Corey Jackson Nick Nogalo MECP Lori Jalak Rick Lalonde Public David Trowbridge Anton Schoahs Public Jillian Marquis TBD SSM Tribe of Chippewa Indians Isaac McKechnie Robert Schulte Algoma Public Health Mel
Slide 5: Cokemaking Emissions Performance Progressive Annual Reduction
Cokemaking Emissions Performance Progressive Annual Reduction Key Performance Indicators related to Cokemaking Emissions: 30 Day Rolling Average % Implementation Charging Pushing Doors Lids Off-takes Date Emissions Opacity (%) average intensity of pushing emissions average duration of charging emiss
Slide 6: Cokemaking Emissions Performance
Cokemaking Emissions Performance
Slide 7: Cokemaking Emissions Performance
Cokemaking Emissions Performance
Slide 8: Cokemaking Emissions Performance
Cokemaking Emissions Performance
Slide 9: Cokemaking Stack Opacity
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Slide 10: 2025 Second Quarter Report – Ambient Air Quality Monitoring Program
2025 Second Quarter Report – Ambient Air Quality Monitoring Program
Slide 11: 2025 Second Quarter Report – Ambient Air Quality Monitoring Program
2025 Second Quarter Report – Ambient Air Quality Monitoring Program
Slide 12: 2025 Second Quarter Report – Ambient Air Quality Monitoring Program
2025 Second Quarter Report – Ambient Air Quality Monitoring Program
Slide 13: Building a New Era in Steelmaking
Building a New Era in Steelmaking
Slide 14: Introducing Algoma Steel's New Era of Sustainable Steel Production
Introducing Algoma Steel’s New Era of Sustainable Steel Production Build a Better Future. Build with Volta.
Slide 15: Slide 15
Slide 16: First Steel Production from the New Electric Arc Furnace
First Steel Production from the New Electric Arc Furnace A Historic Milestone in a New Era in Sustainable Steelmaking Date: July 9th, 2025 Power Source: Initially powered by Algoma Steel’s Lake Superior Power Facility. We will transition to the Ontario grid, which is 93% non-emitting clean electrici
Slide 17: EAF Local Economic Impact by the Numbers
EAF Local Economic Impact by the Numbers 500 Construction Jobs Created Project spend as of June 30, 2025 Community spend as $227M of August 31st, 2025
Slide 18: Algoma Steel's Shrinking Environmental Footprint
Algoma Steel’s Shrinking Environmental Footprint: Long-Term Advantages of Electric Arc Steelmaking Reduction1 % Reduction CO2 3.0mm tonnes 70% GHG EMISSIONS CO2/NT 1.33 tonnes 75% PRODUCTION SOX EMISSIONS 4,060 tonnes 82% NOX EMISSIONS 1,604 tonnes 52% Complete elimination of Stack and STACK & FUGIT
Slide 19: Transition to Electric Arc Furnace Steelmaking: Environmental Compliance Approvals
Transition to Electric Arc Furnace Steelmaking: Environmental Compliance Approvals 1 Environmental Compliance Approval 1920-DDDQCS for air and noise was issued on April 17, 2025. Environmental Compliance Approval 2 5691-CJKG54 for industrial sewage was issued on February 29, 2024. These environmenta
Slide 20: EAF Air and Noise ECA Conditions
EAF Air and Noise ECA Conditions 1) EAF Source Testing 2) Noise Abatement Projects and Acoustic Audits 3) Updated Best Management Plan for Fugitive Dust 4) Continuation of Ambient Air Quality Monitoring 5) Development of a Public Engagement Plan 6) Adherence to the Abatement Plan
Slide 21: Alternate Standard Requests
Alternate Standard Requests New Standards will govern the operating transition to electric arc steelmaking Algoma steel has prepared an Abatement Plan, which has been accepted by the MECP, to bridge the gap until an alternate standard is available under O.Reg. 419. The Abatement Plan is now a part o
Slide 22: Tariff Update & Recent Advocacy Highlights
Tariff Update & Recent Advocacy Highlights Algoma Steel continues to face significant challenges from U.S. tariffs. In response, we are strengthening our advocacy, building partnerships, and elevating the voice of Canadian steel: Hosted U.S. Consul General Baxter Hunt – discussions on trade, tariffs
Slide 23: Excellence Award at 2025 Canadian HR Awards
We are proud to share we have been named an Excellence Awardee at the 2025 Canadian HR Awards for The Queen’s University IRC Award for Best Learning & Development Strategy!
Slide 24: Featured on Rough Seas Podcast: Algoma Steel's VP of Procurement
Featured on Rough Seas Podcast: Algoma Steel’s VP of Procurement, Nick Macan Episode 13 – Sustainable Sovereign Steel In this insightful episode, Nick shares insights on: Why producing steel close to home matters The opportunities and challenges of green steel How strategic procurement can drive Can
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