X0708 D/A LIVE 0001907184 Electra Battery Materials Corp 133 Richmond Street West, Suite 602 TORONTO A6 ONTARIO, CANADA M5H 2L3 416-900-3891 ONTARIO, CANADA First Cobalt Corp. None Corporation true Trent Mell 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Executive Officer Director Marty Rendall 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Executive Officer John Pollesel 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Director Alden Greenhouse 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Director David Stetson 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Director Jody Thomas 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Director Gerard Hueber 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Director Susan Uthayakumar 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Director Michael Insulan 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Executive Officer Paolo Toscano 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Executive Officer George Puvvada 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Executive Officer Heather Smiles 133 Richmond Street West, Suite 602 Toronto A6 ONTARIO, CANADA M5H 2L3 Executive Officer Other Energy Decline to Disclose 06c true 0001907184-25-000004 2025-10-22 false true true true false 0 Cantor Fitzgerald Canada Corporation None None None 181 University Avenue, Suite 1500 Toronto A6 ONTARIO, CANADA M5H 3M7 CA CALIFORNIA FL FLORIDA IL ILLINOIS ME MAINE NV NEVADA NY NEW YORK VA VIRGINIA WI WISCONSIN false ECM Capital Advisors Ltd. None None None 119 Harbourway Paradise Island Nassau C5 BAHAMAS 000 000 CA CALIFORNIA FL FLORIDA IL ILLINOIS ME MAINE NV NEVADA NY NEW YORK VA VIRGINIA WI WISCONSIN false Independent Trading Group (ITG) Ltd. None None None 33 Yonge Street, Suite 420 Toronto A6 ONTARIO, CANADA M5E 1G4 CA CALIFORNIA FL FLORIDA IL ILLINOIS ME MAINE NV NEVADA NY NEW YORK VA VIRGINIA WI WISCONSIN false Kernaghan & Partners Ltd. None None None 155 University Avenue, Suite 750 Toronto A6 ONTARIO, CANADA M5H 3B7 CA CALIFORNIA FL FLORIDA IL ILLINOIS ME MAINE NV NEVADA NY NEW YORK VA VIRGINIA WI WISCONSIN false 34500000 34500000 0 Amounts do not include any proceeds from exercise of the warrants issued as part of the offering. The offering consisted of Units comprised of one share of common stock and a warrant to purchase one share of common stock at an exercise price of $1.25. false 154 1851331 0 In addition, Issurer issued an aggregate of 2,416,884 non-transferable warrants to sales agents. 0 false Electra Battery Materials Corp /s/ TRENT MELL Trent Mell President and CEO 2025-11-07