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	Electra Battery Materials Corporation	0.4848	0.0153	3.26%
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Electra Provides Update on Black Mass Recycling

Recent Black Mass Optimizations:

• Electra has improved its lithium carbonate product quality by nearly 20% from its initial processing and product quality is now approaching "technical grade" lithium carbonate. Discussions are ongoing with lithium companies to assess the tradeoffs between collaboration or producing a technical grade in-house.
• Manganese recovery rate has been further improved to approximately 95% by strategically modifying the use and sequencing of reagents.
• Continued refinements to the process parameters for the nickel-cobalt mixed hydroxide precipitate (MHP) produced from the recycling process have at times improved paymetal concentration in the final MHP product to nearly 50% nickel and cobalt, well above quoted market standards. Improved metal concentration creates the opportunity to generate a higher metal payable, thereby improving the potential economics of continuous recycling operations.
• Continued optimization studies are underway, including metal recovery from internal recycling streams such as reusing tailings water as process water to feed the plant, thus making the process entirely closed circuit with minimal environmental impacts.
• Preliminary results of laboratory work to explore the potential of isolating cobalt from nickel contained in the leach liquor using hydrometallurgical methods are positive. Isolating the cobalt could improve the overall payability of both the resultant cobalt and nickel product.

Electra launched a black mass trial late in 2022 at its Ontario refinery complex to recover critical minerals from black mass in shredded lithium-ion batteries and successfully operated this demonstration process throughout 2023 on a semi-continuous basis to maximize product recoveries. The battery recycling strategy is part of a multipronged development plan for a battery materials park supplying battery-grade material to third-party cathode precursor manufacturers.

The Company has developed proprietary hydrometallurgical technology that targets all of the critical minerals present in the black mass as saleable products. Once recovered, the products can further be upgraded to battery grade materials and reused by gigafactories to produce batteries or other products.

Additional Black Mass Program Highlights:

• Electra has processed 40 tonnes of black mass material in a plant scale setting, believed to be the first of its kind in North America.
• Recovery rates for all targeted metals - lithium, nickel, cobalt, graphite, and manganese - have improved since the start of the trial in December 2022.
• Approximately 28 tonnes of nickel-cobalt MHP product have been shipped to customers.
• Reagent requirements were reduced and in some cases alternative, less costly, reagents were used for improved overall metal recovery. Further, some of the reagent additions substituted have reduced overall impurity levels within the process. The reduction in reagent use and substitution of certain reagents are expected to lower operating expenses, thereby improving the economics of continuous recycling operations.

Black mass is the industry term used to describe the material remaining once expired lithium-ion batteries are shredded and all casings removed. Black mass contains high-value elements, including lithium, nickel, cobalt, manganese, copper, and graphite, that once recovered, can be recycled to produce new lithium-ion batteries.

Established North American battery recyclers have focused on collecting and shredding of batteries with the resulting black mass material primarily exported, or treated by a pyrometallurgical smelting process that has a higher carbon footprint and lower metal recoveries than hydrometallurgical processes.

About Electra Battery Materials

Electra is a processor of low-carbon, ethically sourced battery materials. Currently focused on developing North America's only cobalt sulfate refinery and a black mass demonstration plant, Electra is executing a multipronged strategy to onshore the electric vehicle supply chain. Keys to its strategy are integrating black mass recycling and nickel sulfate production at Electra's cobalt refinery located north of Toronto, advancing Iron Creek, its cobalt-copper exploration-stage project in the Idaho Cobalt Belt, and expanding cobalt sulfate processing into Bécancour, Quebec. For more information, please visit www.ElectraBMC.com.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Note Regarding Forward-Looking Statements

This news release may contain forward-looking statements and forward-looking information (together, "forward-looking statements") within the meaning of applicable securities laws and the United States Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical facts, are forward-looking statements. Generally, forward-looking statements can be identified by the use of terminology such as "plans", "expects", "estimates", "intends", "anticipates", "believes" or variations of such words, or statements that certain actions, events or results "may", "could", "would", "might", "occur" or "be achieved". Such forward-looking statements include, without limitation, statements regarding the potential for additional funding from the Federal government of Canada and the government of Ontario and the quantum and terms thereof, adjustments of interest rates on the occurrence of certain events which may impact the attributes of the notes and warrants issued under the Note offering, including but not limited to a "green bond" designation, and the effective conversion rate of the Notes and Warrants, which is subject to adjustment in certain circumstances. Forward-looking statements are based on certain assumptions, and involve risks, uncertainties and other factors that could cause actual results, performance, and opportunities to differ materially from those implied by such forward-looking statements. Among the bases for assumptions with respect to the potential for additional government funding are discussions and indications of support from government actors based on certain milestones being achieved. Factors that could cause actual results to differ materially from these forward-looking statements are set forth in the management discussion and analysis and other disclosures of risk factors for Electra Battery Materials Corporation, filed on SEDAR+ at www.sedarplus.com and with on EDGAR at www.sec.gov. Other factors that could lead actual results to differ materially include changes with respect to government or investor expectations or actions as compared to communicated intentions, and general macroeconomic and other trends that can affect levels of government or private investment. Although the Company believes that the information and assumptions used in preparing the forward-looking statements are reasonable, undue reliance should not be placed on these statements, which only apply as of the date of this news release, and no assurance can be given that such events will occur in the disclosed times frames or at all. Except where required by applicable law, the Company disclaims any intention or obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

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