Algoma Steel Group Inc. · NASDAQ:ASTL

Algoma Steel — Corporate Update (June 2024)

20 slides from Algoma Steel's corporate update, Jun 11, 2024

  1. Slide 1: Community Liaison Committee Meeting #49

    Community Liaison Committee Meeting #49 Tuesday, June 11, 2024

  2. Slide 2: Safety • Teamwork • Integrity • Caring

    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

  3. Slide 3: Agenda

    Agenda 1. Review of March 5th, 2024 meeting notes 2. Membership Items 3. Review Coke Making Incident 4. Cokemaking Emissions Performance 5. Electric Arc Steelmaking and Environmental Permit Applications 6. Legacy Environmental Action Plan 7. Public questions and comments 8. Next Meetings 3

  4. Slide 4: 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 TBD Algoma

  5. Slide 5: Update on January 20th Coke Making Incident

    Update on January 20th Coke Making Incident • A structure supporting utilities piping at our Coke Making plant collapsed on January 20, 2024. • The incident resulted abnormal coke oven gas flaring and air emissions and a quantity of effluent left our site initially, and potential sources of discharg

  6. Slide 6: Cokemaking Emissions Performance

    Cokemaking Emissions Progressive Annual Reduction Performance 30 Day Rolling Average % Pushing Implementation Charging Doors Lids Off-takes Opacity Key Performance Indicators related to Cokemaking Date Emissions (%) Emissions: July 2, 2015 38 0.8 25 12 sec 50 • average intensity of pushing emissions

  7. Slide 7: Cokemaking Emissions Performance

    Cokemaking Emissions Performance 7 The blue line represents the date of the structure collapse. Note that there is insufficient data for 30 day rolling averages for No. 8&9 batteries. No.7 battery restarted sooner.

  8. Slide 8: Cokemaking Emissions Performance

    Cokemaking Emissions Performance Notes: • 2015 data begins on July 2nd when the standard came into force • 2024 data includes Jan 1, 2024 to Jun 1, 2024 • Number of audits per year vary based on changing operating conditions All corrective actions taken to improve pushing opacity have been successfu

  9. Slide 9: Cokemaking Stack Opacity

    Cokemaking Stack Opacity The blue line represents the date of the structure collapse 9

  10. Slide 10: Second annual ESG report to be issued August 2024

    Algoma Steel will be issuing its second annual environmental, social and governance (ESG) report in August 2024. We believe becoming a North American leader in green steel, means becoming a leader in ESG. We look forward to sharing our 2024 report with you. You can access our full 2023 ESG Report on

  11. Slide 11: Powering Algoma's Planned Transformation

    Powering Algoma’s Planned Transformation 2025-2026E 2026- 2029- 2028E 2030E Initial Phase PowerSecured Requirements Phase Phase 3 2 Configuration Power Lake Superior Existing 115KV Power (LSP) Lake Superior Existing 115KV Local 230KV Regional Bulk Transmission Existing 115KV Local 230KV (110MW) Powe

  12. Slide 12: 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-

  13. Slide 13: 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

  14. Slide 14: Electric Arc Furnace (EAF) Construction Update

    Electric Arc Furnace (EAF) Construction Update Rendering becoming Reality Project Statistics2: Concrete 22,033 cu/m Fume Treatment Plant Dust Hoods Structural steel 11,000 Foundations 50% installed tons 95% complete No.2 Baghouse Utility Room#1 floor slab Meltshop building roofing equipment Installa

  15. Slide 15: Transition to Electric Arc Furnace Steelmaking

    Transition to Electric Arc Furnace Steelmaking Environmental Compliance Approvals Algoma submitted applications for the following approvals: Site wide Environmental Compliance Approval for air and noise based on the planned progressive 1 shutdown of equipment and facilities associated with the trans

  16. Slide 16: Shoreline Stabilization and Site Greening

    Shoreline Stabilization and Site Greening Algoma’s shoreline stabilization 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 is scheduled to resume June 24th with the placement of the clean rip-rap and arm

  17. Slide 17: Algoma Steel is committed to being a good neighbor

    Algoma Steel is committed to being a good neighbor Since we saw you last in March we have…  Announced our collaboration project with Algoma University on a "Investigation of Phytoremediation Strategies for Slag Use Innovations”  Brought #CareersinSteel Exhibits to Korah Collegiate  Sponsored Algo

  18. Slide 18: Follow Algoma's Journey to Green Steel!

    Follow Algoma’s Journey to Green Steel! 2024 2025 2026 2029 • Commence • Commence • Phase One of • Completion of commissioning commissioning alternate arcing Hydro One EAF #2 EAF #1 • PUC LP Transmission • Complete Transmission Grid Line • Complete expansion Construction of Construction of complete

  19. Slide 19: Public Questions and Comments

    Public Questions and Comments 19

  20. Slide 20: Community Liaison Committee - Next Meetings

    Community Liaison Committee - Next Meetings Proposed 2024 Schedule: • September 10th, 2024 • December 10th, 2024 • March 2025 20

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