Solid Power, Inc.

Item 7.01 Regulation FD Disclosure. On June 12, 2026, Solid Power, Inc. (the “Company,” “Solid Power,” “we,” or “our”) published presentation materials (the “Investor Presentation”) on its website at https://www.solidpowerbattery.com/investor-relations/events-and-presentations. From time to time, the Company may use the Investor Presentation, possibly with modifications, in presentations to current and prospective investors, analysts, and others with an interest in the Company and its business. A copy of the Investor Presentation is furnished as Exhibit 99.1 to this Current Report on Form 8-K. Exhibit 99.1 to this Current Report on Form 8-K and the information set forth therein, and the information disclosed under this Item 7.01, is being furnished and will not be deemed to be filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise be subject to the liabilities of that section, nor will it be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act. Forward Looking Statements All statements other than statements of present or historical fact contained herein or in Exhibit 99.1 to this Current Report on Form 8-K are “forward-looking statements” within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act, including Solid Power’s or its management team’s expectations, objectives, beliefs, intentions or strategies regarding the future. When used herein, the words “could,” “should,” “will,” “may,” “believe,” “anticipate,” “intend,” “estimate,” “expect,” “project,” “plan,” “outlook,” “seek,” the negative of such terms, and other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. These statements may include, but are not limited to, our future financial performance, strategy, expansion plans, including plans related to the expansion of our electrolyte production capabilities, market opportunity, operations, and operating results; estimated revenues or losses; projected costs; future prospects; and plans and objectives of management. These forward-looking statements are based on management’s current expectations and assumptions about future events and are based on currently available information as to the outcome and timing of future events. Except as otherwise required by applicable law, Solid Power disclaims any duty to update any forward-looking statements, all of which are expressly qualified by the statements in this section, to reflect events or circumstances after the date hereof. Readers are cautioned not to put undue reliance on forward-looking statements and Solid Power cautions you that these forward-looking statements are subject to numerous risks and uncertainties, most of which are difficult to predict and many of which are beyond the control of Solid Power, including the following factors: (i) risks relating to the uncertainty of the success of our research and development efforts, including our ability to achieve the technological objectives or results that our partners require and our ability to commercialize our technology in advance of competing technologies and our competitors; (ii) risks relating to our status as a research and development stage company with a history of financial losses with an expectation of incurring significant expenses and continuing losses for the foreseeable future, including execution of our business plan and the timing of expected business milestones; (iii) risks relating to the non-exclusive nature of our partnerships, our ability to secure new business relationships, and our ability to manage these relationships; (iv) our ability to negotiate and execute commercial agreements with our partners and customers on commercially reasonable terms; (v) broad market adoption of EVs and other technologies where we are able to deploy our technology, if developed successfully; (vi) our success attracting and retaining our executive officers, key employees, and other qualified personnel; (vii) our ability to protect and maintain our owned and exclusively-licensed intellectual property, including in jurisdictions outside of the United States; (viii) our ability to secure government contracts and grants, changes in government priorities with respect to our government contracts and grants or government funding reductions or delays, and the availability of government subsidies and economic incentives; (ix) delays in the construction and operation of facilities that meet our short-term research and development and long-term electrolyte production requirements; (x) changes in applicable laws or regulations, including tariffs; (xi) risks relating to, and potential liabilities resulting from, our information technology infrastructure and data security incidents, threats, breaches, or attacks; and (xii) risks relating to other economic, business, or competitive factors in the United States and other jurisdictions, including supply chain interruptions and changes in market conditions, and our ability to manage these risks and uncertainties. Additional information concerning these and other factors that may impact the operations and projections discussed herein or in Exhibit 99.1 to this Current Report on Form 8-K can be found in the “Risk Factors” sections of Solid Power’s Annual Report on Form 10-K for the year ended December 31, 2025 and other documents filed by Solid Power from time to time with the Securities and Exchange Commission (the “SEC”), all of which are available on the SEC’s website at www.sec.gov. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Solid Power gives no assurance that it will achieve its expectations.