Mr. Trent Mell reports

ELECTRA ANNOUNCES VOTING RESULTS FROM SPECIAL MEETING OF SHAREHOLDERS

Electra Battery Materials Corp. has released the results of its special meeting of shareholders held today, Oct. 15, 2025, in Toronto.

Shareholders voted in favour of all matters presented at the meeting, including the election of all seven nominees to Electra's board of directors. Newly elected directors include Jody Thomas, former National Security and Intelligence adviser to the Prime Minister of Canada, and Gerard Hueber, Rear Admiral (retired), U.S. Navy. Their elections follow the earlier appointment of David Stetson, former chief executive officer of Alpha Metallurgical Resources.

Following the meeting, Mr. Stetson was appointed chair of the board, succeeding John Pollesel, who was appointed lead director.

"On behalf of the management team, I would like to welcome David as chair," said Trent Mell, chief executive officer of Electra. "The additions of Jody, Gerry and David bring a unique combination of national security insight, industrial leadership and restructuring experience to Electra's board. Their expertise will help guide the next phase of Electra's strategy and our ongoing transformation into a leading North American supplier of critical battery materials."

Each of the seven director nominees listed in the management circular was elected to serve until the next annual meeting of shareholders or until a replacement is named, as set out below.

Additional business items approved at the meeting were: (i) approval of a series of previously announced restructuring transactions involving the company and certain holders of outstanding convertible notes; (ii) approval of the creation of a control person or control persons of the company, as such term is defined in Policy 1.1 (Interpretation) of the TSX Venture Exchange, in connection with the restructuring transactions; and (iii) authorization of an amendment to the articles of the company to complete a reverse stock split of the issued and outstanding common shares of the company at a ratio of one postreverse split common share for up to 3.5 prereverse split common shares, as determined by the board of directors of the company in its sole discretion.

A total of 2,123,906 common shares in the capital of the company or 12 per cent of Electra's issued and outstanding common shares were represented in person or by proxy at the meeting. The company's full voting results at the meeting are available on SEDAR+.

About Electra Battery Materials Corp.

Electra is a leader in advancing North America's critical mineral supply chain for lithium-ion batteries. The company is developing North America's only cobalt sulphate refinery in Ontario as part of a phased strategy to onshore critical mineral refining and reduce reliance on foreign supply chains. Electra's strategy also includes battery recycling and the advancement of its cobalt-copper project in Idaho, Iron Creek, one of the only primary cobalt deposits in the United States. Growth initiatives include integrating black mass recycling at its Ontario refining complex and evaluating opportunities for additional nickel sulphate production in North America.

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