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Algoma Steel Group Inc. (ASTL) reports an operational update on the unplanned outage at its Lake Superior Power generating facility. Working with the Independent Electricity System Operator, the company implemented interim power arrangements that allowed its electric arc furnaces to resume production on August 29, 2026. Algoma states it is currently maintaining sustained steel production and shipments within these interim parameters, even during certain planned work on the provincial electricity system.
The company is pursuing alternatives in parallel to restore full LSP generating capacity, including repairing the affected turbine and securing a replacement turbine, in collaboration with GE and other parties. Algoma continues to assess potential impacts on production and shipments and indicates that mitigation measures are expected to reduce any production impact. The update also reiterates Algoma’s broader transition to electric arc furnace steelmaking, which is expected to reduce carbon emissions by approximately 70% once fully transitioned.
Algoma Steel Group Inc. reports an unplanned outage at its Lake Superior Power (LSP) generating facility after one turbine unit detected an abnormal condition and was automatically taken offline, while remaining units were unaffected. Because LSP supplies electricity to Algoma’s steelmaking operations, production at the electric arc furnace (EAF) has been temporarily suspended, though downstream finishing and shipping activities continue. Based on current inventory and order positions, Algoma does not expect a significant impact on committed customer delivery dates, but future shipment volumes may be affected and the operational and financial impacts are being assessed. The company is working with the Independent Electricity System Operator on alternative onsite power supply and with GE Vernova to mobilize and commission a contracted spare turbine at the site, and currently expects the EAF outage to last no more than 21 days, with a potential restart in approximately 10 days if an alternative power arrangement is approved.
Algoma Steel Group Inc. has two institutional reporting persons, MMCAP International Inc. SPC and MM Asset Management Inc., jointly reporting beneficial ownership of Algoma’s Common Shares. As of June 30, 2026, they beneficially owned 10,954,738 Common Shares, representing 10.4% of the outstanding class, based on 105,661,468 Common Shares outstanding.
Each reporting person reports shared voting and dispositive power over 10,954,738 shares and no sole voting or dispositive power. The Fund directly holds the shares, while the Adviser, as investment manager, may be deemed to beneficially own the same shares. Each reporting person disclaims beneficial ownership of any shares other than those directly owned.
Algoma Steel Group Inc. reported that institutional investor Donald Smith & Co., Inc., together with DSCO Value Fund, L.P., has filed as a beneficial owner of Algoma’s common shares. The group reports beneficial ownership of 5,277,631 common shares, representing 5.01% of the outstanding class.
Donald Smith & Co., Inc. and DSCO Value Fund, L.P. report sole power to vote 5,176,331 shares and sole power to dispose of 5,277,631 shares, with no shared voting or dispositive power. The filing explains that dividends and sale proceeds ultimately accrue to underlying advisory and fund clients, with no single client holding more than 5% of the class.
Algoma Steel Group Inc. has filed materials for its June 23, 2026 virtual annual shareholders meeting, outlining voting procedures, board nominations, auditor appointment and an advisory “Say on Pay” vote on executive compensation. Shareholders of record on May 4, 2026 may participate and vote online.
The circular highlights Algoma’s strategic shift to Electric Arc Furnace steelmaking, including commissioning its first unit in 2025 and decommissioning legacy blast furnace and coke operations starting January 2026. Management links this transition to lower-carbon production, cost competitiveness, and alignment with Canada’s climate commitments, while detailing a pay-for-performance framework with below-target 2025 bonuses and long-term equity incentives tied to relative total shareholder return.
Algoma Steel Group Inc. reports a Schedule 13G/A showing Maple Rock Capital Partners Inc. and Xavier Majic each beneficially own 15,930,818 common shares, equal to 15.1% of the class as of March 31, 2026. The filing states the 105,388,619 share figure used to calculate the percentage is the number of Common Shares outstanding as of March 31, 2026, reported in an exhibit to a Form 6-K.
The Reporting Persons state Maple Rock Master Fund LP has the right to receive dividends or sale proceeds and that the Manager is Maple Rock Capital Partners Inc., with Xavier Majic serving as Chief Investment Officer. The parties file jointly but expressly disclaim membership in a group.
Algoma Steel Group Inc. reports institutional ownership disclosure by MMCAP International Inc. SPC and MM Asset Management Inc. The filing states the Reporting Persons share beneficial ownership of 12,845,622 Common Shares, representing 12.2% of the class based on 104,933,802 shares outstanding as of December 31, 2025.
The statement attributes shared voting power of 12,845,622 and shared dispositive power of 12,845,622 to the Reporting Persons and notes the Fund directly owns the shares while the Adviser may be deemed to beneficially own them. The disclosure is dated for the event of March 31, 2026 and signed on May 15, 2026.
Algoma Steel Group Inc. Schedule 13G: Donald Smith & Co., Inc. reports beneficial ownership of 6,028,929 shares of Common Stock, representing 5.75% of the class. The filing shows sole voting power of 5,891,220 shares and sole dispositive power of 5,973,190 shares. It separately lists DSCO Value Fund, L.P. with 55,739 shares. The filer states it acts as investment advisor and that the ultimate power to receive dividends and sale proceeds rests with its institutional clients. The filing is signed by Richard L. Greenberg as CEO and Co-CIO on 05/13/2026.
Algoma Steel Group Inc. has scheduled its Annual Meeting of Security Holders for June 23, 2026. Holders of common shares as of May 4, 2026 will be entitled to receive notice of the meeting and vote. The company will use notice-and-access for both registered and beneficial holders.
Algoma Steel Group Inc. reported the formation of Roshel Algoma Defence Solutions Inc. (RADS), a joint venture with Roshel Inc. to create a Canadian Centre of Excellence for ballistic steel production. The partnership aims to provide sovereign, made-in-Canada ballistic steel and full-cycle defence manufacturing capabilities.
RADS is positioned to support over 500 workers and supply ballistic steel solutions for Canadian defence programs such as Light Utility Vehicles and the Domestic Arctic Mobility Enhancement program, as well as marine, infrastructure, aerospace, and security applications, with potential exports to allied countries.