Strategic Financing Enhances Liquidity for Development of Next-Generation Batteries

Solid Power, Inc. (NASDAQ:SLDP), a leading U.S.-based developer of solid-state battery technology, today announced that it has entered into a securities purchase agreement with a single sector-focused institutional investor for the purchase and sale of 17,000,000 shares of its common stock, pre-funded warrants to purchase an aggregate of 5,807,018 shares of common stock and warrants ("common warrants") to purchase up to an aggregate of 45,614,036 shares of common stock in a registered direct offering (the "Offering"). As of December 31, 2025, the Company had approximately 201.2 million shares of common stock outstanding.

The Offering is being priced at a combined purchase price of $5.70 per share of common stock and accompanying two common warrants, and $5.699 per pre-funded warrant and accompanying two common warrants. The common warrants will be immediately exercisable at an exercise price of $7.25 per share, and will expire 7 years from issuance.

The closing of the Offering is expected to occur on or about January 29, 2026, subject to the satisfaction of customary closing conditions. The gross proceeds from the Offering are expected to be approximately $130 million, before deducting placement agent fees and other estimated offering expenses. The Company intends to use the net proceeds from the Offering, together with its cash, cash equivalents and available-for-sale securities comprising approximately $336.5 million (unaudited) of total liquidity as of December 31, 2025, for working capital purposes and general corporate purposes in its development of next-generation batteries.

J.P. Morgan Securities LLC and A.G.P./Alliance Global Partners are acting as placement agents for the Offering.

The Offering is being made pursuant to an effective shelf registration statement on Form S-3 (File No. 333-290078) previously filed with the U.S. Securities and Exchange Commission (the "SEC"). A prospectus supplement describing the terms of the proposed Offering will be filed with the SEC and will be available on the SEC's website located at http://www.sec.gov. Electronic copies of the prospectus supplement may be obtained, when available, from J.P. Morgan Securities LLC, c/o: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by email at prospectus-eq_fi@jpmchase.com and postsalemanualrequests@broadridge.com or A.G.P./Alliance Global Partners, 590 Madison Avenue, 28th Floor, New York, NY 10022, or by telephone at (212) 624-2060, or by email at prospectus@allianceg.com.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.

About Solid Power, Inc.

Solid Power is developing solid-state battery technology to enable the next generation of batteries for the fast-growing EV and other markets. Solid Power's core technology is its electrolyte material, which Solid Power believes can enable extended driving range, longer battery life, improved safety, and lower cost compared to traditional lithium-ion. Solid Power's business model – selling its electrolyte to cell manufacturers and licensing its cell designs and manufacturing processes – distinguishes the company from many of its competitors who plan to be commercial battery manufacturers. Ultimately, Solid Power endeavors to be a leading producer and distributor of sulfide-based solid electrolyte material for powering both EVs and other applications.

Forward-Looking Statements

All statements other than statements of present or historical fact contained herein are "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, including statements regarding closing of the offering, the gross proceeds from the offering, and the expected use of proceeds from the offering and 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 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 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; (xi) risks relating to our information technology infrastructure and data security breaches; 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 can be found in the "Risk Factors" sections of Solid Power's Annual Report on Form 10-K for the year ended December 31, 2024, Solid Power's Quarterly Report on Form 10-Q for the quarter ended June 30, 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.

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Solid Power Announces Pricing of $130 Million Registered Direct Offering