Note 12 – Related Party Transactions

BMW of North America LLC

During 2022, the Company amended its joint development agreement (“JDA”) with BMW of North America LLC (“BMW”) to provide a research and development-only license to certain of the Company’s intellectual property relating to cell manufacturing. The license allows, among other things, BMW to install a solid-state prototype cell manufacturing line based on the Company’s proprietary information. The license is limited to BMW’s research and development activities and may not be used for commercial battery cell production. During 2024, the Company further amended its JDA with BMW to extend the term of the JDA, revise the payment schedule, and revise certain deliverables and the timing to achieve various milestone and development targets and confirm cell performance requirements.

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Before BMW’s installation of its cell manufacturing line, the Company and BMW have agreed to joint development and manufacturing activities at the Company’s facilities. Any intellectual property developed jointly by the Company and BMW at the Company’s facilities will be solely owned by the Company. To the extent intellectual property is jointly conceived elsewhere, the Company and BMW will jointly own such intellectual property. The intellectual property developed by us or BMW individually will be owned by such party. Both parties will have the right to utilize the other party’s technical improvements for research and development purposes only. The Company, with certain limitations, has the right to cause BMW to license BMW’s technical improvements to the Company for commercial purposes.

BMW agreed to pay the Company $20,000 between December 2022 and June 2025, subject to the Company achieving certain milestones. During the three and six months ended June 30, 2025, the Company recognized $0 of revenue related to its JDA. In addition, the Company recognized $0 and $132 of revenue for the three and six months ended June 30, 2025 respectively, from the sale of cell materials to BMW. During the three and six months ended June 30, 2024, the Company recognized $430 and $5,410 of revenue related to its JDA, respectively.

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Dahae Energy Co., Ltd.

During 2024, the Company entered into a series of transactions with Dahae, a strategic partner in the Republic of Korea. Dahae provides process engineering support for the Company’s pilot cell lines and is serving as the installer for installation of a pilot cell manufacturing line at SK On’s facility. The transactions included, among other things, a bond (the “Bond”) with detachable warrants (the “Detachable Warrants”) and the Derivative, restricted stock grants to two Dahae executives, and a term loan facility. During the three and six months ended June 30, 2025, the Company incurred $2,884 and $4,285 of cost related to services provided by Dahae, respectively.

The Company acquired a 20% equity interest in Dahae for $656 (including $256 of transaction costs) and recorded the investment using the equity method of accounting.

As of June 30, 2025 and December 31, 2024, the Bond had an unamortized discount of $1,863 and $1,927, respectively.

The Company recorded the Detachable Warrants within Investments in the Condensed Consolidated Balance Sheets at a fair value upon acquisition of $607. The Detachable Warrants are fully detachable from the Bond and can be exercised for shares of

Dahae’s common stock. If the Company were to exercise the Detachable Warrants in full, the Company would own 40% of the then outstanding shares of common stock of Dahae. As of June 30, 2025 and December 31, 2024, there were no impairments or downward or upward adjustments to Detachable Warrants since acquisition.

The Company granted 298,508 shares of restricted stock grants to two Dahae executives. The restricted stock grants are subject to redemption at fair value once all shares are fully vested and any financing provided by the Company to Dahae has been repaid. As the restricted stock grants are contingently redeemable at fair value, the restricted stock grants are recorded within Mezzanine Equity in the Condensed Consolidated Balance Sheets. To adjust these grants to redemption amounts at each reporting period, the Company remeasures the grants to their redemption value based on the price of the Company’s common stock, with a corresponding entry to the Company’s retained earnings. The remeasurement for the six months ended June 30, 2025 and year ended December 31, 2024 was $88 and $12, respectively.

The Company entered into a term loan facility with Dahae. Dahae drew upon the facility on November 3, 2024, with a principal balance of $1,161 issued at par, explicit interest rate of 3%, and maturity date of October 21, 2034. The loan is recorded within Loan receivable from equity method investee in the Condensed Consolidated Balance Sheets.

All financing agreements between the Company and Dahae are collateralized by Dahae’s assets and a minority equity interest in Dahae. The Company has committed to provide up to $2,000 of additional financing to Dahae under the term loan facility.

The table below presents the summarized transactions recorded in the Condensed Consolidated Balance Sheets related to the Company’s equity method investment for the periods presented. The transactions reflected in the table below coupled with the term loan facility of $2,000 represent the maximum loss exposure as a result of the Company’s involvement with Dahae at June 30, 2025.

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The table below presents the summarized transactions recorded in the Condensed Consolidated Statements of Operations and Comprehensive Loss related to the Company’s equity method investment for the three and six months ended June 30, 2025 and 2024, respectively.

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