Electra Battery Materials Corporation (NASDAQ: ELBM) (TSX-V: ELBM) announces that it has closed the final tranche of its oversubscribed non-brokered private placement previously announced on March 24, 2025, raising aggregate gross proceeds of approximately US$3.5 million.

The Offering closed in two tranches, the first occurring on April 3, 2025, and the second occurring on the date hereof. An aggregate of 3,125,000 units of the Company were issued at a price of US$1.12 per Unit under the Offering. Each Unit consists of one common share in the capital of the Company and one transferable common share purchase warrant, with each warrant entitling the holder to purchase one common share of the Company at a price of US$1.40 at any time for a period of eighteen months following the issue date. The net proceeds raised from the Offering will be used to advance the Company’s Refinery project site in Temiskaming Shores, Ontario and for general corporate purposes.

Each of Trent Mell, Chief Executive Officer of the Company, Marty Rendall, Chief Financial Officer of the Company, John Pollesel, a director of the Company, Alden Greenhouse, a director of the Company, Heather Smiles, Vice President, Investor Relations & Corporate Development of the Company, Mark Trevisiol, Vice President, Project Development of the Company, and Michael Insulan, Vice President, Commercial of the Company participated in the Offering.

By virtue of their participation, the Offering constitutes a “related party transaction” under applicable securities laws. The Company did not file a material change report more than 21 days before closing as the details of the abovementioned insider participation were not settled until shortly prior to closing, and the Company wished to close the Offering on an expedited basis. As neither the fair market value of the subject matter, nor the fair market value of the consideration for the transaction, insofar as it involves the related party, will exceed 25% of the Company’s market capitalization, neither a formal valuation nor minority shareholder approval will be required in connection with the Offering.

In connection with the closing of the Offering, the Company paid an aggregate of US$219,447 in cash finders fees and issued 183,333 non-transferrable finders warrants to eligible finders in respect of subscriptions for Units referred by such finders. Each Finders Warrant is exercisable to acquire one Common Share at an exercise price of US$1.12 per Finder’s Warrant Share until October 14, 2026.

The Common Shares and Warrants underlying the Units issued under the listed issuer financing exemption as outlined in Part 5A of NI 45-106 will not be subject to a hold period in accordance with Canadian securities laws and. All other securities were sold to purchasers outside of Canada and are therefore free of any hold period under applicable Canadian securities legislation. All securities issued under the Offering to insiders of the Company will be subject to a statutory hold period of four months and one day from the date of issuance pursuant to the policies of the TSX Venture Exchange. The Offering remains subject to final approval of the TSXV.

This news release does not constitute an offer to sell or a solicitation of an offer to sell any of the securities in the United States. The securities have not been and will not be registered under the United States Securities Act of 1933, as amended (the “U.S. Securities Act”) or any state securities laws and may not be offered or sold within the United States or to U.S. Persons unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

About Electra Battery Materials

Electra is a leader in advancing North America’s critical minerals supply chain for lithium-ion batteries. Currently focused on developing North America’s only cobalt sulfate refinery, Electra is executing a phased strategy to onshore critical minerals refining and reduce reliance on foreign supply chains. In addition to establishing the cobalt sulfate refinery, Electra’s strategy includes nickel refining and battery recycling. Growth projects include integrating black mass recycling at its existing refining complex, evaluating opportunities for cobalt production in Bécancour, Quebec, and exploring nickel sulfate production potential in North America.