PLUG POWER INC New Standards Disclosure

Recent Accounting Pronouncements

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Recently Adopted Accounting Pronouncements

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In December 2023, ASU 2023-09, Improvements to Income Tax Disclosures, was issued to require public business entities to annually disclose specific categories in the rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold. Additionally, annual disclosures on income taxes paid will be required to be further disaggregated by federal, state, and foreign taxes. This update is effective for annual periods beginning after December 15, 2024. The Company has adopted the standard on a retrospective basis. Refer to Note 22, “Income Taxes.”

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Recently Issued and Not Yet Adopted Accounting Pronouncements

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In December 2025, Accounting Standards Update 2025-11 (“ASU 2025-11”), Interim Reporting (Topic 270): Narrow-Scope Improvements, was issued to improve the guidance in Topic 270 by improving the navigability of the required interim disclosures and clarifying when that guidance is applicable. The amendments also provide additional guidance on what disclosures should be provided in interim reporting periods and adds to Topic 270 a principle that requires entities to disclose events since the end of the last annual reporting period that have a material impact on the entity. This standard is effective for annual periods, including interim reporting periods within annual reporting periods, beginning after December 15, 2027 with early adoption permitted. The Company has not yet adopted ASU 2025-11 and is still evaluating the impact of the adoption on its consolidated financial statements.

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In December 2025, Accounting Standards Update 2025-10 (“ASU 2025-10”), Government Grants (Topic 832): Accounting for Government Grants Received by Business Entities, was issued to establish the accounting for a government grant received by a business entity, including guidance for: (1) a grant related to an asset; and (2) a grant related to income. This standard establishes authoritative guidance in generally accepted accounting principles in the United States (“GAAP”) about accounting for government grants received by business entities improves financial reporting by clarifying the appropriate accounting, reducing diversity in practice, and increasing consistency across business entities. This standard is effective for annual periods, including interim reporting periods within annual reporting periods, beginning after December 15, 2028 with early adoption permitted. The Company has not yet adopted ASU 2025-10 and is still evaluating the impact of the adoption on its consolidated financial statements.

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In July 2025, Accounting Standards Update 2025-05 (“ASU 2025-05”), Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, was issued to address challenges encountered when applying the guidance in Topic 326 to current accounts receivable and current contract assets arising from transactions accounted for under Topic 606. This standard introduces a practical expedient for entities that assumes that current conditions as of the balance sheet date do not change for the remaining life of the asset. This standard is effective for annual periods, including interim reporting periods within annual reporting periods, beginning after December 15, 2025 with early adoption permitted. The adoption of this standard is not expected to have a material impact on the Company’s consolidated financial statements.

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In May 2025, Accounting Standards Update 2025-04 (“ASU 2025-04”), Clarifications to Share-Based Consideration Payable to a Customer, was issued to reduce diversity in practice and improve the decision usefulness and operability of the guidance for share-based consideration payable to a customer in conjunction with selling goods or services. This standard is effective for annual periods, including interim reporting periods within annual reporting periods, beginning after December 15, 2026 with early adoption permitted. The Company has not yet adopted ASU 2025-04 and is still evaluating the impact of the adoption on its consolidated financial statements.

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In November 2024, ASU 2024-04, Debt with Conversion and Other Options (“ASU 2024-04”), was issued to improve the relevance and consistency in application of the induced conversion guidance in Subtopic 470-20. This standard is effective for annual periods beginning after December 15, 2025, including interim periods within those fiscal years. The adoption of this standard is not expected to have a material impact on the Company’s consolidated financial statements.

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In November 2024, ASU 2024-03, Disaggregation of Income Statement Expenses (“ASU 2024-03”), was issued which requires disclosure in the notes to the financial statements of specified information about certain costs and expenses. This standard is effective for annual periods beginning after December 15, 2026, and interim periods within annual periods beginning after December 15, 2027, on a prospective basis, with early adoption and retrospective application permitted. The Company has not yet adopted ASU 2024-03 and is still evaluating the impact of the adoption on its consolidated financial statements.

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Climate Disclosures

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In March 2024, the SEC issued Release No. 33-11275, The Enhancement and Standardization of Climate-Related Disclosures for Investors, which includes final rules that enhance the transparency of climate-related disclosures and require companies to disclose material climate-related risks; activities to mitigate or adapt to such risks; information about

the board of directors' oversight of climate-related risks and management’s role in managing material climate-related risks; and information on any climate-related targets or goals that are material to the registrant's business, results of operations, or financial condition. As a large accelerated filer, most disclosure requirements are effective for the Company beginning with the year ending December 31, 2025. The SEC has been the subject of various lawsuits since adopting these rules. As a result of ongoing litigation, the SEC issued an order in April 2024 to stay the effectiveness of the rules while judicial review is pending. We are continuing to monitor developments associated with these rules and are currently evaluating the impact of these rules on our consolidated financial statements and related disclosures.