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Table of Contents ( Mark One ) ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 20 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR 12 ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( D ) OF THE SECURITIES EXCHANGE ACT OF ☐ 1934 ☑ OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report : October 19 , 2021 Commission File Number : 001-40924 Algoma Steel Group Inc. ( Exact name of Registrant as specified in its charter ) Not applicable ( Translation of Registrant's name into English ) British Columbia ( Jurisdiction of incorporation or organization ) 105 West Street Sault Ste . Marie , Ontario P6A 7B4 , Canada ( 705 ) 945-2351 ( Address of principal executive offices ) John Naccarato Algoma Steel Group Inc. 105 West Street Sault Ste . Marie , Ontario P6A 7B4 , Canada Tel : ( 705 ) 945-2351 ( Name , Telephone , Email and / or Facsimile number and Address of Company Contact Person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) Title of each class Common Shares , without par value Warrants to purchase Common Shares ASTL ASTLW Name of each exchange on which registered The NASDAQ Stock Market LLC The NASDAQ Stock Market LLC Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None