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PLUG POWER INC

For the period ended Mar 31, 2026. Filed May 11, 2026.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 11, 2026

PLUG$1.45+7.4%Stored close · as of Nov 6, 2026

What changed in Management’s Discussion and Analysis?

Read the current filing

Previous report: 10-Q

Period ended 2025-09-30; filed 2025-11-10.

0001104659-25-109279

Item 2. – Management’s Discussion and Analysis of Financial Condition and Results of Operations

Current report: 10-Q

Period ended 2026-03-31; filed 2026-05-11.

0001104659-26-058712

Item 2. – Management’s Discussion and Analysis of Financial Condition and Results of Operations

The baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.

Compared 178 previous paragraphs and 122 current paragraphs.

34 unchanged; 61 reworded; 23 added; 77 removed; 6 previous and 4 current paragraphs rearranged.

Tables are not compared: 68 previous and 36 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.

A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.

Added paragraphs (23)

Current report

The following discussion should be read in conjunction with our accompanying unaudited interim condensed consolidated financial statements and notes thereto included within this Quarterly Report on Form 10-Q, and our audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025 (the “2025 Form 10-K”). In addition to historical information, this Quarterly Report on Form 10-Q and the following discussion contain statements that are considered forward-looking within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. These forward-looking statements relate to, among other things, our liquidity and capital resources; our ability to generate cash from operations and achieve profitability; the execution and timing of strategic initiatives, including asset monetization and capital optimization efforts; our ability to access and utilize financing arrangements, including the satisfaction of conditions precedent to, and timing and availability of funding under, such arrangements with governmental or commercial counterparties, and our continued compliance with the terms and covenants thereof; the timing, construction, commissioning and scaling of hydrogen production facilities; anticipated revenue growth, margin improvement and cost reductions; customer demand and order conversion; the development, commercialization, performance, reliability and cost competitiveness of electrolyzers, fuel cell systems, hydrogen storage and related technologies; expansion into new markets and applications, including stationary power, backup and distributed generation solutions and data center power applications, and the pace of adoption of hydrogen technologies in those markets; supply chain availability, component reliability, input cost volatility and electricity pricing trends; regulatory, environmental and trade policy developments, including the availability and impact of clean energy tax credits and other incentives and evolving administrative or interpretive guidance relating thereto; trade restrictions, tariffs, export controls and related geopolitical policy risks that could increase costs, limit market access or disrupt our supply chain; future capital expenditures and investment priorities; customer and counterparty concentration and counterparty credit risk; our expectations regarding the hydrogen economy and broader clean energy market; and our long-term growth strategy.

Current report

Forward-looking statements are typically identified by words such as “anticipate,” “believe,” “could,” “continue,” “estimate,” “expect,” “forecast,” “intend,” “may,” “plan,” “project,” “should,” “target,” “will,” “would,” and similar expressions, including the negatives thereof. These statements are based on our current expectations, assumptions and projections regarding future events and financial trends that we believe may affect our financial condition, results of operations, business strategy and financial needs. However, forward-looking statements involve known and unknown risks, uncertainties and other factors, many of which are outside our control, that may cause actual results, performance or achievements to differ materially from those expressed or implied by such statements.

Current report

primarily due to an increase in cost of revenue related to sales of electrolyzer stacks and systems and an increase in cost of revenue related to sales of hydrogen infrastructure during the three months ended March 31, 2026 primarily due to the increases in volume described above. Partially offsetting these increases, the cost of revenue related to sales of fuel cell systems and cost of revenue related to sales of cryogenic equipment and liquefiers decreased during the three months ended March 31, 2026 primarily due to the decreases in volume described above as well as decreased labor and overhead costs resulting from the Company’s restructuring activities. In addition, there was a decrease in cost of revenue related to a decrease in sales of engineered equipment. During the three months ended March 31, 2026, the Company recorded inventory valuation adjustments of $7.2 million compared to $7.7 million during the three months ended March 31, 2025. Gross loss decreased to (8.0%) for the three months ended March 31, 2026 compared to (17.4%) for the three months ended March 31, 2025. The decrease in gross loss was primarily due to the increases in volume from sales of electrolyzers and hydrogen infrastructure described above along with the corresponding decreased labor and overhead costs.

Current report

activities. Research and development expense for the three months ended March 31, 2026 decreased $5.3 million, or 30.2%, to $12.1 million from $17.4 million for the three months ended March 31, 2025. The decrease was primarily due to headcount reductions resulting from the Company’s 2025 Restructuring Plan as well as a decrease in research and development project expenses.

Current report

Impairment. Impairment for the three months ended March 31, 2026 increased $2.8 million, or 262.4%, to $3.9 million from $1.1 million for the three months ended March 31, 2025. The increase was primarily related to the Company recording a higher impairment charge on long-lived assets designated for internal use during the three months ended March 31, 2026.

Current report

The Company’s primary sources of liquidity have historically included cash on hand, proceeds from equity and debt financings, and operating cash flows. The Company continues to evaluate opportunities to strengthen its balance sheet and enhance financial flexibility. As part of its ongoing initiatives to strengthen the balance sheet and enhance liquidity, the Company initiated an infrastructure optimization initiative as described in Note 29, “Subsequent Events,” of the notes to the Company’s consolidated financial statements in the 2025 Form 10-K. If completed as expected, the initiative is reasonably likely to improve the Company’s near-term liquidity position. However, the timing and ultimate magnitude of the impact will depend on execution, satisfaction of closing conditions, market conditions and other factors.

Current report

exercise price as set forth in the Common Warrants of $2.00 per share, the Company agreed to provide new Common Warrants to the holder to purchase up to 185,430,464 shares of the Company’s common stock at $7.75 per share (the “$7.75 Warrants”). In addition, under the warrant exercise inducement agreement, the holder was permitted to receive, upon exercise, in lieu of 154,430,464 common shares, new pre-funded warrants to purchase 154,430,464 shares of the Company’s common stock at $0.0001 per share.

Current report

The $7.75 Warrants contain a provision pursuant to which, upon a Change of Control (as defined in the $7.75 Warrants), the holder may elect to require the Company (or the successor entity) to purchase the warrant for cash equal to its Black-Scholes value (a “Change of Control Cash Election”). The Company has classified the $7.75 Warrants as a liability on the consolidated balance sheets because the Change of Control Cash Election represents a conditional obligation that could require the Company to settle the warrants in cash upon the occurrence of a Change of Control, which precludes equity classification under ASC 815,Derivatives and Hedging (“ASC 815”). The $7.75 Warrants became exercisable on February 28, 2026 and expire on March 20, 2028.

Current report

On November 21, 2025, the Company issued $431.3 million aggregate principal amount of 6.75% convertible senior notes due December 1, 2033 (the “6.75% Convertible Senior Notes”), including the exercise in full of the initial purchasers’ option to purchase up to an additional $56.3 million principal amount of the notes. The notes were issued pursuant to an indenture, dated November 21, 2025 (the “Indenture”).

Current report

The change in the carrying amount of the 6.75% Convertible Senior Notes during the three months ended March 31, 2026 was as follows (in thousands):

Current report

On February 24, 2026, our joint venture, AccionaPlug S.L., entered into a subsidy agreement with the European Hydrogen Bank, which is managed by Instituto para la Diversificación y Ahorro de la Energía (“IDAE”), a Spanish governing body, to subsidize a renewable hydrogen production project in Spain. In connection with the subsidy agreement, AccionaPlug S.L. is required to meet certain performance targets. The Company has provided a guarantee of €7.5M which can be called by IDAE if the joint venture fails to meet its performance targets under the subsidy agreement. As of March 31, 2026, no payments related to this guarantee have been made by the Company, and the Company did not record a liability for this guarantee as the likelihood of the guarantee being called upon is remote.

Current report

As of March 31, 2026, the Company determined that it qualified for the Section 48 Investment Tax Credit (“ITC”) for Qualified Fuel Cell Properties of Energy Storage Technologies related to its hydrogen storage and liquefaction assets at its Louisiana hydrogen plant owned by Hidrogenii, the Company’s joint venture with Olin. A base rate credit of 6% is available to qualified energy storage property in the year that it is placed in-service, with availability of increased credit rates if the property qualifies. The Company determined that it qualified for a rate credit of 30%. As the ITC is considered a transferable tax credit, the Company accounts for it as a grant related to assets. Therefore, the ITC was recognized as a reduction to the Louisiana hydrogen production plant’s cost-basis, recognized within property, plant, and equipment, net

Current report

in the unaudited interim condensed consolidated balance sheets, which will reduce future depreciation over the next 30 years. As of March 31, 2026, the balance of the ITC was $39.2 million and was recognized in prepaid expenses, tax credits, and other current assets in the unaudited interim condensed consolidated balance sheets.

Current report

On a quarterly basis, we evaluate our product warranty reserve. The Company applies a failure rate based on product type on total products under warranty identified through a contract-by-contract review to determine its product warranty reserve liability. The Company’s product warranty reserve liability balance as of March 31, 2026 and December 31, 2025 was $22.8 million and $23.0 million, respectively.

Current report

We believe that the following are our most critical accounting estimates and assumptions the Company must make in the preparation of our unaudited interim condensed consolidated financial statements and related notes thereto.

Current report

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 Company adopted this guidance on January 1, 2026, with no material effect on the Company’s financial position or results of operations.
Removed paragraphs (77)

Previous report

Revenue from sales of equipment, related infrastructure and other for the nine months ended September 30, 2025 increased $7.3 million, or 2.9%, to $259.5 million from $252.2 million for the nine months ended September 30, 2024. Revenue from sales of electrolyzers increased $45.3 million during the nine months ended September 30, 2025 primarily due to an increase in volume of electrolyzer systems. In addition, the increase in revenue related to sales of fuel cell systems of $2.6 million was primarily due to an increase in volume of GenSure units sold, partially offset by a decrease in volume of GenDrive units sold, with 2,127 units sold during the nine months ended September 30, 2025 compared to 2,545 units sold during the nine months ended September 30, 2024. Partially offsetting these increases in revenue, the decrease in revenue from sales of hydrogen infrastructure of $19.4 million was primarily due to volume, with four hydrogen site installations during the nine months ended September 30, 2025 compared to 11 site installations during the nine months ended September 30, 2024. Additionally, there was a decrease of $12.5 million related to the sales of engineered oil and gas equipment from the Frames acquisition due to legacy commitments being fulfilled with no new contractual commitments made. Additionally, revenue from sales of cryogenic equipment and liquefiers decreased $8.7 million during

Previous report

the nine months ended September 30, 2025 primarily due to a slower rate of progress on existing liquefier projects as they near completion compared to the nine months ended September 30, 2024. Included in the changes described above, the provision for common stock warrants recorded as a reduction of revenue from sales of equipment, related infrastructure and other decreased to $3.3 million for the nine months ended September 30, 2025 compared to $3.4 million for the nine months ended September 30, 2024.

Previous report

Revenue from services performed on fuel cell systems and related infrastructure for the nine months ended September 30, 2025 increased $12.8 million, or 31.8%, to $53.0 million from $40.2 million for the nine months ended September 30, 2024. The increase in revenue from services performed on fuel cell systems and related infrastructure was related to the increase in number of units in service and increases in service rates during the nine months ended September 30, 2025 compared to the nine months ended September 30, 2024, as discussed above, coupled with an increase in service rates negotiated with certain customers during the second quarter of 2024. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from services performed on fuel cell systems and related infrastructure increased to $5.1 million during the nine months ended September 30, 2025 compared to $1.6 million during the nine months ended September 30, 2024.

Previous report

Revenue from PPAs for the nine months ended September 30, 2025 increased $13.0 million, or 22.3%, to $71.4 million from $58.4 million for the nine months ended September 30, 2024. The increase in revenue was a result of higher pricing rates implemented during the first half of 2025 compared to the first three quarters of 2024, partially offset by an increase in the provision for common stock warrants. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from PPAs increased to $6.6 million during the nine months ended September 30, 2025 compared to $4.4 million during the nine months ended September 30, 2024.

Previous report

Revenue from fuel delivered to customers and related equipment during the nine months ended September 30, 2025 increased $21.8 million, or 28.0%, to $99.8 million from $78.0 million during the nine months ended September 30, 2024. The increase in revenue was primarily due to increased fuel prices negotiated with certain customers during the second quarter of 2024 and an increase in volume of fuel kilograms sold during the nine months ended September 30, 2025 by approximately 16.2%, partially offset by an increase in the provision for common stock warrants. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from fuel delivered to customers and related equipment increased to $14.4 million for the nine months ended September 30, 2025 compared to $6.9 million for the nine months ended September 30, 2024.

Previous report

Including the impact of the inventory valuation adjustments described above, the cost of revenue related to sales of cryogenic equipment and liquefiers increased by $14.8 million during the three months ended September 30, 2025 primarily due to the increase in inventory valuation adjustments, partially offset by the slower rate of progress on existing liquefier projects described above. Cost of revenue related to sales of fuel cell systems increased by $10.2 million primarily due to the increase in inventory valuation adjustments, partially offset by lower labor and overhead costs as a result of rooftop consolidations and restructuring activities. Cost of revenue related to sales of electrolyzer stacks and systems increased by $1.7 million primarily due to the increase in inventory valuation adjustments, partially offset by a decrease in direct material costs. The cost of revenue related to sales of hydrogen infrastructure decreased $3.6 million primarily due to the decrease in the number of hydrogen site installations, with no hydrogen site installations during the three months ended September 30, 2025 compared to three during the three months ended September 30, 2024, partially offset by the increase in inventory valuation adjustments. Finally, there was a decrease in cost of revenue of $1.5 million related to a decrease in sales of engineered equipment from the Frames acquisition due to legacy commitments being fulfilled with no new contractual commitments made. Gross loss generated from sales of equipment, related infrastructure and other increased to (77.2%) for the three months ended September 30, 2025 compared to (39.9%) for the three months ended September 30, 2024. The increase in gross loss was primarily due to the increase in inventory valuation adjustments described above.

Previous report

Cost of revenue from sales of equipment, related infrastructure and other during the nine months ended September 30, 2025 decreased $51.6 million, or 12.4%, to $363.3 million from $414.9 million during the nine months ended September 30, 2024. Primarily contributing to the decrease in cost of revenue was a decrease in cost of revenue related to

Previous report

sales of fuel cell systems, a decrease in cost of revenue related to sales of hydrogen infrastructure, and lower labor and overhead costs as a result of the 2024 and 2025 rooftop consolidations and restructuring activities, partially offset by an increase in inventory valuation adjustments. During the nine months ended September 30, 2025, the Company recorded inventory valuation adjustments of $90.0 million comprised of: $33.0 million related to electrolyzer stacks and systems, $30.4 million related to fuel cell systems, $19.2 million related to cryogenic equipment and liquefiers, and $7.4 million related to hydrogen infrastructure. During the nine months ended September 30, 2024, the Company recorded inventory valuation adjustments of $64.4 million comprised of: $27.9 million related to electrolyzer stacks and systems, $29.1 million related to fuel cell systems, $3.2 million related to cryogenic equipment and liquefiers, and $4.2 million related to hydrogen infrastructure. The increase in inventory valuation adjustments during the nine months ended September 30, 2025 was primarily due to increased excess and obsolete inventory valuation adjustments resulting from routine reviews of the Company’s inventory levels in comparison to historical and expected future consumption, partially offset by reductions in lower of cost or net realizable value adjustments during the third quarter of 2025. Management continues to actively manage inventory levels and product mix in light of current market conditions and strategic priorities. Additional inventory valuation adjustments may be required in future periods if market conditions deteriorate further or if the Company makes additional strategic decisions to exit product lines or customer segments.

Previous report

Including the impact of the inventory valuation adjustments described above, the cost of revenue related to sales of fuel cell systems decreased by $27.0 million primarily due to a decrease in volume of GenDrive units sold, with 2,127 units sold during the nine months ended September 30, 2025 compared to 2,545 units sold during the nine months ended September 30, 2024, as well as lower labor and overhead costs resulting from the Company's restructuring activities. The decrease in cost of revenue related to sales of fuel cell systems was partially offset by the increase in inventory valuation adjustments. The cost of revenue related to sales of hydrogen infrastructure decreased $23.0 million primarily due to the decrease in the number of hydrogen site installations, with four hydrogen site installations during the nine months ended September 30, 2025 compared to 11 during the nine months ended September 30, 2024, partially offset by the increase in inventory valuation adjustments. Additionally, there was a decrease in cost of revenue of $5.8 million related to a decrease in sales of engineered equipment from the Frames acquisition due to legacy commitments being fulfilled with no new contractual commitments made. Cost of revenue related to sales of electrolyzer stacks and systems decreased by $2.2 million primarily due to lower labor and overhead costs resulting from the Company's restructuring activities, partially offset by the increase in inventory valuation adjustments. Partially offsetting these decreases in cost of revenue, the cost of revenue related to sales of cryogenic equipment and liquefiers increased by $6.4 million during the nine months ended September 30, 2025 primarily due to the increase in inventory valuation adjustments related to cryogenic equipment and liquefiers, partially offset by the slower rate of progress on existing liquefier projects described above. Gross loss generated from sales of equipment, related infrastructure and other decreased to (40.0%) for the nine months ended September 30, 2025 compared to (64.5%) for the nine months ended September 30, 2024. The decrease in gross loss was primarily due to lower labor and overhead costs resulting from the Company's restructuring activities.

Previous report

Cost of revenue from services performed on fuel cell systems and related infrastructure during the nine months ended September 30, 2025 increased $8.7 million, or 24.5%, to $44.5 million from $35.8 million during the nine months

Previous report

ended September 30, 2024. The increase in cost of revenue was primarily due to the increase in volume of average number of GenDrive units described above. Additionally, there was an increase in inventory valuation adjustments related to services performed on fuel cell systems and related infrastructure, with $6.9 million recorded during the nine months ended September 30, 2025 compared to $0.2 million during the nine months ended September 30, 2024. The increase in inventory valuation adjustments related to services performed on fuel cell systems and related infrastructure during the nine months ended September 30, 2025 was primarily due to higher excess and obsolete inventory adjustments on service-related parts due to demand of the Company’s mid-market hydrogen infrastructure offering. Gross margin increased to 15.9% for the nine months ended September 30, 2025 compared to 11.0% for the nine months ended September 30, 2024. The increase in gross margin was primarily due to increase in service rates negotiated with certain customers.

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Cost of revenue from PPAs during the nine months ended September 30, 2025 decreased $20.5 million, or 12.7%, to $140.8 million from $161.3 million during the nine months ended September 30, 2024. The decrease in cost was primarily due to a decrease in depreciation related to the Company’s right of use assets resulting from the Company’s annual impairment analysis conducted during the fourth quarter of 2024. Gross loss decreased to (97.0%) during the nine months ended September 30, 2025 compared to (176.1%) during the nine months ended September 30, 2024. The decrease in gross loss was primarily due to improved pricing and the reduction in cost described above.

Previous report

Cost of revenue from fuel delivered to customers during the nine months ended September 30, 2025 increased $17.0 million, or 9.8%, to $189.4 million from $172.4 million during the nine months ended September 30, 2024. The increase was primarily due to an increase in volume of fuel delivered to customers during the nine months ended September 30, 2025 described above. Gross loss decreased to (89.8%) during the nine months ended September 30, 2025 compared to (121.2%) during the nine months ended September 30, 2024. The decrease in gross loss was primarily due to increased fuel prices negotiated with certain customers.

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Research and development expense for the nine months ended September 30, 2025 decreased $18.2 million, or 28.6%, to $45.7 million from $63.9 million for the nine months ended September 30, 2024. The decrease was primarily related to headcount reductions related to the 2025 Restructuring Plan, a decrease in stock compensation and a decrease in system and component materials.

Previous report

Selling, general and administrative expenses for the nine months ended September 30, 2025 increased $24.6 million, or 9.7%, to $279.3 million from $254.7 million for the nine months ended September 30, 2024. The increase was primarily due to an increase in contract renegotiation costs of $40.3 million, partially offset by a decrease in stock compensation of $20.4 million.

Previous report

Expenses related to restructuring activities for the nine months ended September 30, 2025 increased $17.4 million, or 214.4%, to $25.6 million from $8.2 million for the nine months ended September 30, 2024. The increase was due to severance and benefits related to the 2025 Restructuring Plan, which impacted more employees than the 2024 Restructuring Plan.

Previous report

Impairment. Impairment for the three months ended September 30, 2025 increased $93.3 million, or 2,230.3%, to $97.5 million from $4.2 million for the three months ended September 30, 2024. The increase was primarily related to the Company recording impairment charges of $50.0 million related to the Company’s property, plant and equipment during the three months ended September 30, 2025. In addition, the Company recorded impairment charges of $28.1 million related to the inability to collect the contract consideration from certain customer contracts during the three months ended September 30, 2025. Please refer to Note 2, “Summary of Significant Accounting Policies,” for further information.

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Impairment for the nine months ended September 30, 2025 increased $110.8 million, or 1,317.9%, to $119.2 million from $8.4 million for the nine months ended September 30, 2024. The increase was primarily related to the Company recording impairment charges of $60.5 million related to the Company’s property, plant and equipment during the nine months ended September 30, 2025. In addition, the Company recorded impairment charges of $28.1 million related to the inability to collect the contract consideration from certain customer contracts during the nine months ended September 30, 2025. Finally, the Company recorded impairment charges related to the strategic exit of material handling investments at customer sites impacting equipment related to PPAs and fuel delivered to customers of $11.2 million during

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the nine months ended September 30, 2025. Please refer to Note 2, “Summary of Significant Accounting Policies,” for further information.

Previous report

The change in fair value of contingent consideration for the nine months ended September 30, 2025 and 2024 was ($13.1) million and ($5.3) million, respectively. The decrease was primarily due to a decrease in the fair value of contingent consideration for Joule’s earn-out of $10.8 million during the nine months ended September 30, 2025 compared to a decrease of $5.5 million during the nine months ended September 30, 2024 due to further changes in management assumptions.

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Interest income for the nine months ended September 30, 2025 decreased $9.2 million compared to the nine months ended September 30, 2024. The decrease was primarily due to the decrease in the Company’s average restricted cash balance during the first three quarters of 2025.

Previous report

Interest expense for the nine months ended September 30, 2025 increased $13.9 million compared to the nine months ended September 30, 2024. The increase was primarily due to interest expense incurred related to the 6.00% Convertible Debenture, which was entered into during the fourth quarter of 2024, as well as the 15.00% Secured Debenture noted above.

Previous report

Other income/(expense), net during the nine months ended September 30, 2025 increased $8.1 million to other income, net of $8.6 million compared to other expense, net of $0.6 million during the nine months ended September 30, 2024. The increase was primarily due to an increase in foreign currency transaction gains as well as a decrease in losses related to energy contracts during the nine months ended September 30, 2025 compared to the nine months ended September 30, 2024.

Previous report

During the nine months ended September 30, 2025, the Company had loss on extinguishment of convertible debt instruments and debt of $9.1 million as compared to loss on extinguishment of convertible debt instruments and debt of

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$14.0 million for the nine months ended September 30, 2024. The losses during the first three quarters of 2025 were driven by the difference between the carrying amount of the 6.00% Convertible Debenture and principal settled in cash and premium costs on the 6.00% Convertible Debenture principal settled in cash. The losses during the first half of 2024 were driven by the exchange of $138.8 million in aggregate principal amount of the Company’s 3.75% Convertible Senior Notes for $140.4 million in aggregate principal amount of the Company’s 7.00% Convertible Senior Notes.

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For the nine months ended September 30, 2025, the Company recorded a loss of $51.5 million on equity method investments compared to a loss of $29.0 million for the nine months ended September 30, 2024. The increase in loss on equity method investments was primarily due to the Company recording an other-than-temporary impairment loss of $42.5 million related to the Company’s investment in one of its equity method investments due to a decline in market conditions during the second quarter of 2025. The increase in loss on equity method investments was partially offset by the Company recording no losses related to HyVia during the nine months ended September 30, 2025 as the joint venture entered into receivership proceedings during the fourth quarter of 2024.

Previous report

On July 4, 2025, the One Big Beautiful Bill Act (“OBBBA”) was enacted into law. The OBBBA includes permanent extensions of certain provisions of the Tax Cuts and Jobs Act of 2017, modifies various federal clean energy tax provisions of the Inflation Reduction Act of 2022 (the “IRA”) and includes the allowance of immediate expensing of qualifying research and development expenses incurred in the United States. The most significant impacts of the OBBBA to the Company are related to Section 45V Credit for Production of Clean Hydrogen, which will be available for clean hydrogen facilities beginning construction before January 1, 2028 and the Section 48E Investment Tax Credit which

Previous report

On March 20, 2025, the Company sold 46,500,000 shares of its common stock, pre-funded warrants (the “Pre-Funded Warrants”) to purchase 138,930,464 shares of its common stock and accompanying warrants (the “Common Warrants”) to purchase 185,430,464 shares of its common stock in a registered direct offering pursuant to an underwriting agreement with several underwriters. The Company received net proceeds from the offering of $267.5 million, after deducting the underwriting discount and related expenses and excluding the proceeds, if any, from the exercise of the warrants. On October 8, 2025, the Company entered into a warrant inducement agreement with the holder of the Common Warrants and received net proceeds from the transaction, after deducting transaction expenses and fees, of $355.1 million. Please refer to Note 21, “Subsequent Events,” for further information.

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On May 5, 2025, the Company issued the initial tranche of secured debentures (the “15.00% Secured Debenture”) in the aggregate principal amount of $210.0 million pursuant to the Secured Debenture Purchase Agreement (the “Secured Debenture Purchase Agreement”) with Yorkville for a purchase price of $199.5 million. Under the Secured Debenture Purchase Agreement, Yorkville is committed to purchase a second tranche of secured debentures in an aggregate principal amount of up to $105.0 million for a purchase price of $99.8 million subject to the satisfaction of the closing conditions set forth therein. On September 30, 2025, the Company issued a portion of the second tranche of the 15.00% Secured Debenture in the aggregate principal amount of $52.5 million pursuant to the Secured Debenture Purchase Agreement with Yorkville for a purchase price of $49.9 million. All secured debentures issued under the Secured Debenture Purchase Agreement incur interest at a rate of 15% per annum, which interest will increase to 25% per annum upon the occurrence of an Event of Default (as defined in the Secured Debenture Purchase Agreement) for so long as such event remains uncured and unwaived.

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On July 8, 2025, the Company issued to Yorkville a warrant to purchase 31,500,000 shares of common stock (“15.00% Secured Debenture Warrant”) with an exercise price of $1.37 per share. During the three months ended September 30, 2025, Yorkville exercised a portion of the 15.00% Secured Debenture Warrant for 21,500,000 shares of the Company’s common stock for proceeds of $29.5 million.

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implementing a reverse stock split, which was approved by its stockholders at the Company’s annual meeting of stockholders on July 3, 2025, and the Company’s ability to access additional debt pursuant to the Secured Debenture Purchase Agreement with Yorkville.

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On July 8, 2025, the Company issued to Yorkville the 15.00% Secured Debenture Warrant to purchase 31,500,000 shares of common stock with an exercise price of $1.37 per share. As discussed in Note 8, “Long-Term Debt,” on the date of the funding of the initial tranche of the 15.00% Secured Debenture, the Company recorded the 15.00% Secured Debenture Warrant to equity at a fair value of $6.1 million. The 15.00% Secured Debenture Warrant was accounted for as permanent equity in accordance with ASC 815,Derivatives and Hedging (“ASC 815”), and was recorded at fair value at inception. The fair value of the warrant was determined using a Black-Scholes Option pricing model, with each scenario weighted based on the probability the warrant will become issuable. The 15.00% Secured Debenture Warrant was recorded to equity at the fair value of $6.1 million on the date of the funding of the initial tranche of the 15.00% Secured Debenture under the Secured Debenture Purchase Agreement.

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The assumptions used to calculate the valuation of the 15.00% Secured Debenture Warrant as of May 5, 2025 were as follows:

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The fair value per share of the 15.00% Secured Debenture Warrant as of May 5, 2025 was approximately $0.19.

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During the three months ended September 30, 2025, Yorkville exercised a portion of the 15.00% Secured Debenture Warrant for 21,500,000 shares of the Company’s common stock for net proceeds of $29.5 million.

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During the second quarter of 2025, the Pre-Funded Warrants were exercised for 138,930,464 shares of common stock at an exercise price of $0.001 per share for total proceeds of $0.1 million.

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The Pre-Funded Warrants and Common Warrants are freestanding financial instruments that are legally detachable and separately exercisable from the shares of common stock with which they were issued, do not embody an obligation for the Company to repurchase its shares, and permit the holders to receive a fixed number of shares of common stock upon exercise.

Previous report

On January 17, 2024, the Company entered into the At Market Issuance Sales Agreement (the “ATM Sales Agreement”) with B. Riley, pursuant to which the Company may, from time to time, offer and sell through or to B. Riley, as sales agent or principal, shares of the Company’s common stock, having an aggregate gross sales price of up to $1.0 billion. On February 23, 2024 and November 7, 2024, the Company and B. Riley amended the ATM Sales Agreement to, among other things, increase the aggregate offering price of shares of common stock available for issuance under the program to $1.0 billion. On August 15, 2025, the Company and B. Riley amended the ATM Sales Agreement to extend the term to August 15, 2027. On September 29, 2025, the Company and B. Riley amended the “at-the-market” equity offering program to add Yorkville as an additional sales agent and/or principal through which the Company may offer and sell shares pursuant to the “at-the-market” equity offering program. During the three months ended September 30, 2025, the Company sold 29,419,352 shares of common stock at a weighted-average sales price of $1.60 per share for gross proceeds of $47.2 million with related issuance costs of $0.8 million. During the nine months ended September 30, 2025, the Company sold 34,573,529 shares of common stock at a weighted-average sales price of $1.62 per share for gross proceeds of $55.9 million with related issuance costs of $1.0 million through the “at-the-market” equity offering program. As of September 30, 2025, the Company had $944.1 million of aggregate gross sales price of shares available to be sold under the “at-the-market” equity offering program.

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Reworded paragraphs (61)

Previous wording

The following discussion should be read in conjunction with our accompanying unaudited interim condensed consolidated financial statements and notes thereto included within this Quarterly Report on Form 10-Q, and our audited consolidated financial statements and notes thereto included in our 2024 Form 10-K. In addition to historical information, this Quarterly Report on Form 10-Q and the following discussion contain statements that are not historical facts and are considered forward-looking within the meaning of Section 27A of the Securities Act, and Section 21E of the Exchange Act. These forward-looking statements contain projections of our future results of operations or of our financial position or state other forward-looking information. In some cases, you can identify these statements by forward-looking words such as “anticipate,” “believe,” “could,” “continue,” “estimate,” “expect,” “forecast,” “intend,” “may,” “should,” “will,” “would,” “plan,” “potential,” “project” or the negative of such words or other similar words or phrases. We believe that it is important to communicate our future expectations to our investors. However, there may be events in the future that we are not able to accurately predict or control and that may cause our actual results to differ materially from the expectations we describe in our forward-looking statements. Investors are cautioned not to unduly rely on forward-looking statements because they involve risks and uncertainties, and actual results may differ materially from those discussed as a result of various factors, including, but not limited to:

Current wording

Investors are cautioned not to unduly rely on forward-looking statements. Important factors that could cause actual results to differ materially include, among others:

Previous wording

The risks included here are not exhaustive, and additional factors could adversely affect our business and financial performance, including factors and risks discussed in the section titled “Risk Factors” included under Part I, Item 1A, in our 2024 Form 10-K and supplemented by Part II, Item 1A of the Quarterly Report on Form 10-Q for the quarter ended March 31, 2025 and Part II, Item 1A of this Quarterly Report on Form 10-Q. Moreover, we operate in a very competitive and rapidly changing environment. New risk factors emerge from time to time, and it is not possible for management to predict all such risk factors, nor can we assess the impact of all such risk factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from these contained in any forward-looking statements. While forward-looking statements reflect our good faith beliefs, they are not guarantees of future performance. These forward-looking statements speak only as of the date on which the statements were made. Except as may be required by applicable law, we do not undertake or intend to update any forward-looking statements after the date of this Quarterly Report on Form 10-Q.

Current wording

The risks included here are not exhaustive, and additional factors could adversely affect our business and financial performance, including factors and risks discussed in the section titled “Risk Factors” included under Part I, Item 1A, in our 2025 Form 10-K and supplemented by Part II, Item 1A of this Quarterly Report on Form 10-Q. Moreover, we operate in a very competitive and rapidly changing environment. New risk factors emerge from time to time, and it is not possible for management to predict all such risk factors, nor can we assess the impact of all such risk factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from these contained in any forward-looking statements. While forward-looking statements reflect our good faith beliefs, they are not guarantees of future performance. These forward-looking statements speak only as of the date on which the statements were made. Except as may be required by applicable law, we do not undertake or intend to update any forward-looking statements after the date of this Quarterly Report on Form 10-Q.

Previous wording

GenCare: GenCare is our ongoing “Internet of Things”-based maintenance and on-site service program for GenDrive fuel cell systems, GenSure fuel cell systems and GenFuel hydrogen storage and dispensing products.

Current wording

GenCare: GenCare is our ongoing “Internet of Things”-based maintenance and on-site service program for GenDrive fuel cell systems, GenSure fuel cell systems, GenFuel hydrogen storage and dispensing products.

Previous wording

GenEco Electrolyzers: The design and implementation of 5MW and 10MW electrolyzer systems that are modular, scalable hydrogen generators optimized for clean hydrogen production. Electrolyzers generate hydrogen from water using electricity and a special membrane and “green” hydrogen is generated by using renewable energy inputs, such as solar or wind power.

Current wording

GenEco Electrolyzers: The design and implementation of 5MW and 10MW electrolyzer systems that are modular, scalable hydrogen generators optimized for clean hydrogen production. Electrolyzers generate hydrogen from water using electricity and can produce “green” hydrogen when powered by renewable energy inputs, such as solar or wind power.

Previous wording

Cryogenic Equipment: Engineered equipment including trailers and mobile storage equipment for the distribution of liquified hydrogen, oxygen, argon, nitrogen and other cryogenic gases.

Current wording

Cryogenic Equipment: Engineered equipment including trailers and mobile storage equipment for the distribution of liquefied hydrogen, oxygen, argon, nitrogen and other cryogenic gases.

Previous wording

GenSure: GenSure is our stationary fuel cell solution providing scalable, modular PEM fuel cell power to support applications on both a small and large power scale. For smaller applications, Plug’s Low Power GenSure supports backup and grid-support application of the telecommunications, transportation, and utility sectors. Our High Power GenSure product line supports large scale stationary power, EV charging infrastructure, and data center markets.

Current wording

GenSure: GenSure is our stationary fuel cell solution providing scalable, modular PEM fuel cell power to support applications on both a small and large power scale. For smaller applications, Plug’s Low Power GenSure supports backup and grid-support applications of the telecommunications, transportation, and utility sectors. Our High Power GenSure product line supports large scale stationary power, EV charging infrastructure, and data center markets.

Previous wording

Liquid Hydrogen: Liquid hydrogen provides an efficient fuel alternative to fossil-based energy. We produce liquid hydrogen through our electrolyzer systems and liquefaction systems. Liquid hydrogen supply will be used by customers in material handling operations, fuel cell electric vehicle fleets, and stationary power applications.

Current wording

Liquid Hydrogen: Liquid hydrogen provides an efficient fuel alternative to fossil-based energy. We produce liquid hydrogen at our production facilities in Tennessee, Georgia and Louisiana and through third-party supply arrangements, utilizing electrolyzer systems and liquefaction systems. Liquid hydrogen supply is used by customers in material handling operations, fuel cell electric vehicle fleets, and stationary power applications.

Previous wording

We provide our products and solutions worldwide through our direct sales force, and by leveraging relationships with original equipment manufacturers (“OEMs”) and their dealer networks. Plug is currently targeting Asia, Australia, Europe, Middle East and North America for expansion in adoption. The European Union has rolled out ambitious targets for the hydrogen economy, with the United Kingdom also taking steps in this direction, and Plug is seeking to execute on our strategy to become one of the European leaders in the hydrogen economy. This includes a targeted account strategy for material handling, securing strategic partnerships with European OEMs, energy companies, utility leaders and accelerating our electrolyzer business.

Current wording

We provide our products and solutions worldwide through our direct sales force, and by leveraging relationships with original equipment manufacturers (“OEMs”) and their dealer networks. Plug is currently targeting Europe, Australia, North America and select international markets (including parts of Asia) for expansion in adoption of its hydrogen and electrolyzer solutions.

Previous wording

Currently, we manufacture and/or assemble our products at our manufacturing facilities in Rochester, New York; Slingerlands, New York; Houston, Texas; and Lafayette, Indiana; and have an expanded customer service center in Dayton, Ohio. In addition, we have hydrogen production plants in Charleston, Tennessee; Kingsland, Georgia; and St. Gabriel, Louisiana.

Current wording

Currently, we manufacture and/or assemble our products at our manufacturing facilities in Slingerlands, New York; Rochester, New York; Houston, Texas; and Lafayette, Indiana; and have an expanded customer service center in Miamisburg, Ohio. In addition, we have hydrogen production plants in Charleston, Tennessee; Kingsland, Georgia; and St. Gabriel, Louisiana.

Previous wording

Our primary sources of revenue are from sales of equipment, related infrastructure and other, services performed on fuel cell systems and related infrastructure, power purchase agreements, and fuel delivered to customers and related equipment. A certain portion of our sales result from acquisitions in legacy markets, which we are working to transition to renewable solutions. Revenue from sales of equipment, related infrastructure and other represents sales of our GenDrive units, GenSure stationary backup power units, cryogenic delivery and storage, hydrogen liquefaction systems, electrolyzers and hydrogen fueling infrastructure. Revenue from services performed on fuel cell systems and related infrastructure represents revenue earned on our service and maintenance contracts and sales of spare parts. Revenue from power purchase agreements primarily represent payments received from customers who make monthly payments to access the Company’s GenKey solution. Revenue associated with fuel delivered to customers and related equipment represents the sale of hydrogen to customers that has been purchased by the Company from a third party or generated at our hydrogen production plants.

Current wording

Our primary sources of revenue are from sales of equipment, related infrastructure and other, services performed on fuel cell systems and related infrastructure, power purchase agreements, and fuel delivered to customers and related equipment. A certain portion of our sales result from acquisitions in legacy markets, which we are working to transition to renewable solutions. Revenue from sales of equipment, related infrastructure and other represents sales of our GenDrive units, GenSure stationary backup power units, cryogenic stationary and on road storage, hydrogen liquefaction systems, electrolyzers and hydrogen fueling infrastructure. Revenue from services performed on fuel cell systems and related infrastructure represents revenue earned on our service and maintenance contracts and sales of spare parts. Revenue from power purchase agreements primarily represent payments received from customers who make monthly payments to access the Company’s GenKey solution. Revenue associated with fuel delivered to customers and related equipment represents

Previous wording

On August 24, 2022, the Company issued to Amazon.com NV Investment Holdings LLC, a wholly owned subsidiary of Amazon (“Amazon”), a warrant (the “Amazon Warrant”) to acquire up to 16,000,000 shares of the Company’s common stock, subject to certain vesting events described below under “Common Stock Transactions – Amazon Transaction Agreement in 2022.”

Current wording

On August 24, 2022, the Company issued to Amazon.com NV Investment Holdings LLC, a wholly owned subsidiary of Amazon (“Amazon”), a warrant (the “2022 Amazon Warrant”) to acquire up to 16,000,000 shares of the Company’s common stock, subject to certain vesting events, described in Note 10, “Stockholders’ Equity - Share-Based Consideration Payable to a Customer.”

Previous wording

In 2017, in separate transactions, the Company issued a warrant to each of Amazon and Walmart to purchase up to 55,286,696 shares of the Company’s common stock, subject to certain vesting events described below under “Common Stock Transactions – Amazon Transaction Agreement in 2017” and “Common Stock Transactions – Walmart Transaction Agreement.” The Company recorded a portion of the estimated fair value of the warrants as a reduction of revenue based upon the projected number of shares of common stock expected to vest under the warrants, the proportion of purchases by Amazon, Walmart and their affiliates within the period relative to the aggregate purchase levels required for vesting of the respective warrants, and the then-current fair value of the warrants.

Current wording

In 2017, the Company issued a warrant to Walmart (the “2017 Walmart Warrant”) to purchase up to 55,286,696 shares of the Company’s common stock, subject to certain vesting events, described in Note 10, “Stockholders’ Equity - Share-Based Consideration Payable to a Customer.” The Company recorded a portion of the estimated fair value of the 2017 Walmart Warrant as a reduction of revenue based upon the projected number of shares of common stock expected to vest under the 2017 Walmart Warrant, the proportion of purchases by Walmart and their affiliates within the period relative to the aggregate purchase levels required for vesting of the 2017 Walmart Warrant, and the then-current fair value of the 2017 Walmart Warrant. On December 30, 2025, the Company entered into an agreement with Walmart in which Walmart agreed to forfeit all vested shares of the Company’s common stock related to the 2017 Walmart Warrant and the unvested portions of the 2017 Walmart Warrant were cancelled. Accordingly, no shares of common stock will become issuable by the Company in connection with the 2017 Walmart Warrant.

Previous wording

The amount of provision for the Amazon and Walmart warrants recorded as a reduction of revenue during the three and nine months ended September 30, 2025 and 2024, respectively, is shown in the table below (in thousands):

Current wording

The amount of provision for the 2022 Amazon Warrant and 2017 Walmart Warrant recorded as a reduction of revenue during the three months ended March 31, 2026 and 2025, respectively, is shown in the table below (in thousands):

Previous wording

Net revenue, cost of revenue, gross profit/(loss) and gross margin/(loss) during the three and nine months ended September 30, 2025 and 2024 were as follows (in thousands):

Current wording

Net revenue, cost of revenue, gross profit/(loss) and gross margin/(loss) during the three months ended March 31, 2026 and 2025 were as follows (in thousands):

Previous wording

Revenue – sales of equipment, related infrastructure and other. Revenue from sales of equipment, related infrastructure and other represents sales of our GenDrive units, GenSure stationary backup power units, cryogenic delivery and storage, hydrogen liquefaction systems, electrolyzers and hydrogen fueling infrastructure (referred to at the site level as hydrogen installations). Revenue from sales of equipment, related infrastructure and other for the three months ended September 30, 2025 decreased $10.3 million, or 9.7%, to $96.8 million from $107.1 million for the three months ended September 30, 2024. Primarily contributing to the decrease in revenue was a decrease in revenue from sales of hydrogen infrastructure of $11.1 million due to volume, with no hydrogen site installations during the three months ended September 30, 2025 compared to three site installations during the three months ended September 30, 2024. Additionally, there was a decrease of $5.7 million related to the sales of engineered oil and gas equipment from the Frames acquisition due to legacy commitments being fulfilled with no new contractual commitments made. Partially offsetting these decreases in revenue, revenue from sales of electrolyzers increased $7.6 million during the three months ended September 30, 2025 primarily due to customer and product mix. Included in the changes described above, the provision for common stock warrants recorded as a reduction of revenue from sales of equipment, related infrastructure and other increased to $1.1 million for the three months ended September 30, 2025 compared to $0.5 million for the three months ended September 30, 2024.

Current wording

and storage, hydrogen liquefaction systems, electrolyzers and hydrogen fueling infrastructure (referred to at the site level as hydrogen installations). Revenue from sales of equipment, related infrastructure and other for the three months ended March 31, 2026 increased $15.5 million, or 24.4%, to $79.0 million from $63.5 million for the three months ended March 31, 2025. Primarily contributing to the increase in revenue from sales of equipment, related infrastructure and other was an increase in revenue from sales of electrolyzers of $31.7 million due to volume, with 37 megawatt equivalent units sold during the three months ended March 31, 2026 compared to two megawatt equivalent units sold during the three months ended March 31, 2025. In addition, revenue from sales of hydrogen infrastructure increased $7.0 million due to volume, with three hydrogen site installations recognized during the three months ended March 31, 2026 compared to one site installation recognized during the three months ended March 31, 2025. Partially offsetting these increases in revenue, revenue from sales of cryogenic equipment and liquefiers decreased $17.9 million during the three months ended March 31, 2026 primarily due to volume, with 30 units sold during the three months ended March 31, 2026 compared to 66 units sold during the three months ended March 31, 2025, as well as product mix. Additionally, revenue from sales of fuel cell systems decreased $4.9 million primarily due to volume of GenDrive units sold, with 537 units sold during the three months ended March 31, 2026 compared to 848 units sold during the three months ended March 31, 2025.

Previous wording

Revenue – services performed on fuel cell systems and related infrastructure. Revenue from services performed on fuel cell systems and related infrastructure represents revenue earned on our service and maintenance contracts and sales of spare parts. Revenue from services performed on fuel cell systems and related infrastructure for the three months ended September 30, 2025 increased $5.6 million, or 39.5%, to $19.7 million from $14.1 million for the three months ended September 30, 2024. The increase in revenue from services performed on fuel cell systems and related infrastructure was primarily due volume as the average number of GenDrive units under maintenance contracts during the three months ended September 30, 2025 increased to approximately 24,000 compared to approximately 22,000 during the three months ended September 30, 2024. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from services performed on fuel cell systems and related infrastructure increased to $2.2 million during the three months ended September 30, 2025 compared to $0.6 million during the three months ended September 30, 2024.

Current wording

Revenue – services performed on fuel cell systems and related infrastructure. Revenue from services performed on fuel cell systems and related infrastructure represents revenue earned on our service and maintenance contracts and sales of spare parts. Revenue from services performed on fuel cell systems and related infrastructure for the three months ended March 31, 2026 increased $5.1 million, or 30.2%, to $22.0 million from $16.9 million for the three months ended March 31, 2025. The increase in revenue from services performed on fuel cell systems and related infrastructure was primarily due to volume, with an increase of approximately 2,200 units in the average number of GenDrive units under maintenance contracts during the three months ended March 31, 2026 compared to the three months ended March 31, 2025, as well as increased pricing.

Previous wording

Revenue – power purchase agreements. Revenue from Power Purchase Agreements (“PPAs”) represents payments received from customers for power generated through the provision of equipment and service. Revenue from PPAs for the three months ended September 30, 2025 increased $4.1 million, or 20.3%, to $24.6 million from $20.5 million for the three months ended September 30, 2024. The increase in revenue was a result of higher pricing rates implemented during the first half of 2025, partially offset by an increase in the provision for common stock warrants. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from PPAs increased to $2.3 million during the three months ended September 30, 2025 compared to $1.6 million during the three months ended September 30, 2024.

Current wording

Revenue – power purchase agreements. Revenue from Power Purchase Agreements (“PPAs”) represents payments received from customers for power generated through the provision of equipment and service. Revenue from PPAs for the three months ended March 31, 2026 increased $3.1 million, or 13.3%, to $26.3 million from $23.2 million for the three months ended March 31, 2025. The increase in revenue from PPAs was primarily due to increases in pricing of our PPAs during the first quarter of 2025, which was fully realized during the first quarter of 2026. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from PPAs decreased to $1.4 million during the three months ended March 31, 2026 compared to $2.1 million during the three months ended March 31, 2025.

Previous wording

Revenue – fuel delivered to customers and related equipment. Revenue from fuel delivered to customers and related equipment represents the sale of hydrogen that has been purchased by the Company from a third party or generated at our hydrogen production plants. Revenue from fuel delivered to customers and related equipment during the three months ended September 30, 2025 increased $6.1 million, or 20.5%, to $35.9 million from $29.8 million during the three months ended September 30, 2024. The increase in revenue was primarily due to an increase in volume of fuel kilograms sold during the three months ended September 30, 2025 by approximately 17.9%, partially offset by an increase in the provision for common stock warrants. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from fuel delivered to customers and related equipment increased to $5.3 million for the three months ended September 30, 2025 compared to $3.2 million for the three months ended September 30, 2024.

Current wording

Revenue – fuel delivered to customers and related equipment. Revenue from fuel delivered to customers and related equipment represents the sale of hydrogen that has been purchased by the Company from a third party or generated at our hydrogen production plants. Revenue from fuel delivered to customers and related equipment during the three months ended March 31, 2026 increased $6.3 million, or 21.5%, to $35.8 million from $29.5 million during the three months ended March 31, 2025. The increase in revenue was primarily due to an increase in the average selling price of fuel and an increase in customer fuel sites, with an average of 280 sites receiving delivery during the three months ended March 31, 2026 compared to an average of 248 sites receiving delivery during the three months ended March 31, 2025. Included in the change described above, the provision for common stock warrants recorded as a reduction of revenue from fuel delivered to customers and related equipment decreased to $1.5 million for the three months ended March 31, 2026 compared to $4.4 million for the three months ended March 31, 2025.

Previous wording

*Cost of revenue – sales of equipment, related infrastructure and other.*Cost of revenue from sales of equipment, related infrastructure and other includes direct materials, labor costs, and allocated overhead costs related to the manufacture of our fuel cells such as GenDrive units and GenSure stationary back-up power units, cryogenic delivery and storage, hydrogen liquefaction systems, electrolyzers and hydrogen fueling infrastructure (referred to at the site level as hydrogen installations). Cost of revenue from sales of equipment, related infrastructure and other during the three months ended September 30, 2025 increased $21.6 million, or 14.4%, to $171.5 million from $149.9 million during the three months ended September 30, 2024. The increase to cost of revenue from sales of equipment, related infrastructure and other was primarily due to an increase in inventory valuation adjustments during the three months ended September 30, 2025, with $65.4 million recorded comprised of: $21.3 million related to electrolyzer stacks and systems, $20.2 million related to fuel cell systems, $17.7 million related to cryogenic equipment and liquefiers, and $6.2 million related to hydrogen infrastructure. During the three months ended September 30, 2024, the Company recorded inventory valuation adjustments of $12.3 million comprised of: $6.5 million related to electrolyzer stacks and systems, $3.4 million related to fuel cell systems, $1.1 million related to cryogenic equipment and liquefiers, and $1.3 million related to hydrogen infrastructure. The increase in inventory valuation adjustments during the three months ended September 30, 2025 was primarily due to increased excess and obsolete inventory valuation adjustments resulting from routine reviews of the Company’s inventory levels in comparison to historical and expected future consumption, partially offset by reductions in lower of cost or net realizable value adjustments during the third quarter of 2025. Management continues to actively manage inventory levels and product mix in light of current market conditions and strategic priorities. Additional inventory valuation adjustments may be required in future periods if market conditions deteriorate further or if the Company makes additional strategic decisions to exit product lines or customer segments.

Current wording

*Cost of revenue – sales of equipment, related infrastructure and other.*Cost of revenue from sales of equipment, related infrastructure and other includes direct materials, labor costs, and allocated overhead costs related to the manufacture of our fuel cells such as GenDrive units and GenSure stationary back-up power units, cryogenic delivery and storage, hydrogen liquefaction systems, electrolyzers and hydrogen fueling infrastructure (referred to at the site level as hydrogen installations). Cost of revenue from sales of equipment, related infrastructure and other during the three months ended March 31, 2026 increased $10.7 million, or 14.4%, to $85.3 million from $74.6 million during the three months ended March 31, 2025. The increase to cost of revenue from sales of equipment, related infrastructure and other was

Previous wording

Cost of revenue – services performed on fuel cell systems and related infrastructure. Cost of revenue from services performed on fuel cell systems and related infrastructure includes the labor, material costs and allocated overhead costs incurred for our product service and hydrogen site maintenance contracts and spare parts. Cost of revenue from services performed on fuel cell systems and related infrastructure during the three months ended September 30, 2025 increased $11.0 million, or 121.0%, to $20.1 million from $9.1 million during the three months ended September 30, 2024. The increase in cost of revenue was primarily due to the increase in volume of average number of GenDrive units described above. Additionally, there was an increase in inventory valuation adjustments related to services performed on fuel cell systems and related infrastructure, with $6.0 million recorded during the three months ended September 30, 2025 compared to $0.1 million during the three months ended September 30, 2024. The increase in inventory valuation adjustments related to services performed on fuel cell systems and related infrastructure during the three months ended September 30, 2025 was primarily due to higher excess and obsolete inventory adjustments on service-related parts due to demand of the Company’s mid-market hydrogen infrastructure offering. Gross loss increased to (1.7%) for the three months ended September 30, 2025 compared to gross margin of 35.8% for the three months ended September 30, 2024. The increase in gross loss was primarily due to an increase in inventory valuation adjustments.

Current wording

Cost of revenue – services performed on fuel cell systems and related infrastructure. Cost of revenue from services performed on fuel cell systems and related infrastructure includes the labor, material costs and allocated overhead costs incurred for our product service and hydrogen site maintenance contracts and spare parts. Cost of revenue from services performed on fuel cell systems and related infrastructure during the three months ended March 31, 2026 decreased $0.1 million, or 0.3%, to $14.4 million from $14.5 million during the three months ended March 31, 2025. The decrease in cost of revenue was primarily due to improved stack reliability and decreased labor and overhead costs, partially offset by the increase in volume of average number of GenDrive units described above. Gross margin increased to 34.4% for the three months ended March 31, 2026 compared to 14.3% for the three months ended March 31, 2025. The increase in gross margin was primarily due to improved stack reliability and decreased labor and overhead costs.

Previous wording

Cost of revenue – (benefit)/provision for loss contracts related to service. The Company recorded a benefit for loss contracts related to service of $4.3 million during the three months ended September 30, 2025 compared to a provision for loss contracts related to service of $6.0 million during the three months ended September 30, 2024. The Company recorded a benefit primarily due to reductions in cost to service our GenDrive units and continued improvements.

Current wording

Cost of revenue – (benefit)/provision for loss contracts related to service. The Company recorded a benefit for loss contracts related to service of ($7.8) million during the three months ended March 31, 2026 compared to a provision for loss contracts related to service of $8.9 million during the three months ended March 31, 2025. The Company recorded a benefit primarily due to improved pricing structure as well as reductions in cost to service our GenDrive units due to improved stack reliability and increased labor utilization.

Previous wording

Cost of revenue – power purchase agreements. Cost of revenue from PPAs includes depreciation of assets utilized and service costs to fulfill PPA obligations and interest costs associated with certain financial institutions for leased equipment. Cost of revenue from PPAs during the three months ended September 30, 2025 decreased $6.2 million, or 12.0%, to $45.6 million from $51.8 million during the three months ended September 30, 2024. The decrease in cost was primarily due to a decrease in depreciation related to the Company’s right of use assets resulting from the Company’s annual impairment analysis conducted during the fourth quarter of 2024. Gross loss decreased to (85.2%) during the three months ended September 30, 2025 compared to (153.1%) during the three months ended September 30, 2024. The decrease in gross loss was primarily due to improved pricing and the reduction in cost described above.

Current wording

Cost of revenue – power purchase agreements. Cost of revenue from PPAs includes depreciation of assets utilized and service costs to fulfill PPA obligations and interest costs associated with certain financial institutions for leased equipment. Cost of revenue from PPAs during the three months ended March 31, 2026 decreased $9.8 million, or 19.6%, to $40.1 million from $49.9 million during the three months ended March 31, 2025. The decrease in cost during the three months ended March 31, 2026 was primarily due to improved stack reliability and decreased labor and overhead costs compared to the three months ended March 31, 2025. Gross loss decreased to (52.7%) during the three months ended March 31, 2026 compared to (115.1%) during the three months ended March 31, 2025. The decrease in gross loss was primarily due to improved pricing and the reduction in cost described above.

Previous wording

Cost of revenue – fuel delivered to customers and related equipment. Cost of revenue from fuel delivered to customers and related equipment represents the purchase of hydrogen from suppliers and internally produced hydrogen that is ultimately sold to customers. Cost of revenue from fuel delivered to customers during the three months ended September 30, 2025 increased $8.9 million, or 15.9%, to $64.4 million from $55.5 million during the three months ended September 30, 2024. The increase in cost of revenue was primarily due to an increase in volume of fuel delivered to customers during the three months ended September 30, 2025 described above. Gross loss decreased to (79.3%) during the three months ended September 30, 2025 compared to (86.4%) during the three months ended September 30, 2024. The decrease in gross loss was primarily due to increased fuel prices negotiated with certain customers.

Current wording

Cost of revenue – fuel delivered to customers and related equipment. Cost of revenue from fuel delivered to customers and related equipment represents the purchase of hydrogen from suppliers and internally produced hydrogen that is ultimately sold to customers. Cost of revenue from fuel delivered to customers during the three months ended March 31, 2026 decreased $6.5 million, or 10.9%, to $52.9 million from $59.4 million during the three months ended March 31, 2025. The decrease in cost of revenue was primarily due to a decrease in the average cost of purchased fuel during the three months ended March 31, 2026 compared to the three months ended March 31, 2025. Gross loss decreased to (47.8%) during the three months ended March 31, 2026 compared to (101.5%) during the three months ended March 31, 2025. The decrease in gross loss was primarily due to an increase in the average selling price of fuel, decreased cost of purchased fuel and an increase in internal fuel production, which inherently costs less than purchased fuel.

Previous wording

Research and development. Research and development expenses include: materials to build development and prototype units, cash and non-cash stock compensation and benefits for the engineering and related staff, expenses for contract engineers, fees paid to consultants for services provided, materials and supplies consumed, facility related costs such as computer and network services, and other general overhead costs associated with our research and development activities. Research and development expense for the three months ended September 30, 2025 decreased $3.6 million, or 18.2%, to $16.1 million from $19.7 million for the three months ended September 30, 2024. The decrease was primarily related to headcount reductions related to the 2025 Restructuring Plan, a decrease in stock compensation and a decrease in system and component materials.

Current wording

Research and development. Research and development expenses include: materials to build development and prototype units, cash and non-cash stock compensation and benefits for the engineering and related staff, expenses for contract engineers, fees paid to consultants for services provided, materials and supplies consumed, facility related costs such as computer and network services, and other general overhead costs associated with our research and development

Previous wording

Selling, general and administrative. Selling, general and administrative expenses include cash and non-cash stock compensation, benefits, amortization of intangible assets and related costs in support of our general corporate functions, including general management, finance and accounting, human resources, selling and marketing, information technology and legal services. Selling, general and administrative expenses for the three months ended September 30, 2025 increased $19.0 million, or 20.8%, to $110.6 million from $91.6 million for the three months ended September 30, 2024. The increase was primarily due to an increase in contract renegotiation costs of $28.3 million, partially offset by a decrease in stock compensation of $10.0 million.

Current wording

Selling, general and administrative. Selling, general and administrative expenses include cash and non-cash stock compensation, benefits, amortization of intangible assets and related costs in support of our general corporate functions, including general management, finance and accounting, human resources, selling and marketing, information technology and legal services. Selling, general and administrative expenses for the three months ended March 31, 2026 decreased $10.6 million, or 13.2%, to $70.2 million from $80.8 million for the three months ended March 31, 2025. The decrease was primarily due to a decrease in contract termination fees, a decrease in professional fees and reductions to the Company’s depreciation and amortization expenses resulting from the Company’s impairment recorded during the fourth quarter of 2025.

Previous wording

Restructuring. Expenses related to restructuring activities for the three months ended September 30, 2025 increased $5.0 million, or 973.7%, to $5.5 million from $0.5 million for the three months ended September 30, 2024. The increase was due to severance and benefits related to the 2025 Restructuring Plan, which impacted more employees than the 2024 Restructuring Plan.

Current wording

Restructuring. Expenses related to restructuring activities for the three months ended March 31, 2026 decreased $15.8 million, or 91.7%, to $1.4 million from $17.2 million for the three months ended March 31, 2025. The decrease was due to lower severance and benefits expenses resulting from restructuring activities during the three months ended March 31, 2026, which impacted less employees than from restructuring activities during the three months ended March 31, 2025.

Previous wording

*Change in fair value of contingent consideration.*The change in fair value of contingent consideration is related to earn-outs for the Joule Processing LLC (“Joule”) and Frames Holding B.V. (“Frames”)acquisitions. The change in fair value of contingent consideration for the three months ended September 30, 2025 and 2024 was ($1.1) million and $0.1 million, respectively.

Current wording

*Change in fair value of contingent consideration.*The change in fair value of contingent consideration is related to earn-outs for the Joule Processing LLC (“Joule”) acquisition and Frames Holding B.V. (“Frames”)acquisition (prior period only). The change in fair value of contingent consideration for the three months ended March 31, 2026 and 2025 was $0.3 million and ($11.8) million, respectively.

Previous wording

Interest income. Interest income primarily consists of income generated by our investment holdings, restricted cash escrow accounts, and money market accounts. Interest income for the three months ended September 30, 2025 decreased $3.1 million compared to the three months ended September 30, 2024. The decrease was primarily due to the decrease in the Company’s average restricted cash balance during the third quarter of 2025.

Current wording

Interest income. Interest income primarily consists of income generated by our investment holdings, restricted cash escrow accounts, and money market accounts. Interest income for the three months ended March 31, 2026 decreased $1.4 million compared to the three months ended March 31, 2025. The decrease was primarily due to the decrease in the Company’s average restricted cash balance during the first quarter of 2026.

Previous wording

Interest expense. Interest expense consists of interest expense related to our long-term debt, convertible debt instruments, obligations under finance leases and our finance obligations. Interest expense for the three months ended September 30, 2025 increased $7.4 million compared to the three months ended September 30, 2024. The increase was primarily due to interest expense incurred related to the 15.00% Secured Debenture, which was entered into during the second quarter of 2025.

Current wording

Interest expense. Interest expense consists of interest expense related to our long-term debt, convertible debt instruments, obligations under finance leases and our finance obligations. Interest expense for the three months ended March 31, 2026 increased $5.9 million compared to the three months ended March 31, 2025. The increase was primarily due to interest expense incurred related to the 6.75% Convertible Senior Notes, which was entered into during the fourth quarter of 2025.

Previous wording

Other income/(expense), net. Other income/(expense), net primarily consists of gains and losses related to energy contracts and foreign currency transactions. Other income, net during the three months ended September 30, 2025 decreased to $3.5 million compared to $15.5 million during the three months ended September 30, 2024. The decrease was primarily due to a decrease in foreign currency transaction gains during the three months ended September 30, 2025 compared to the three months ended September 30, 2024.

Current wording

Other income, net. Other income, net primarily consists of gains and losses related to energy contracts and foreign currency transactions. Other income, net during the three months ended March 31, 2026 decreased to $1.1 million compared to $1.3 million during the three months ended March 31, 2025.

Previous wording

Loss on extinguishment of convertible debt instruments and debt. Loss on extinguishment of convertible debt instruments and debt consists of losses that arise from retirement of the Company’s convertible debenture, convertible senior notes and debt before maturity. During the three months ended September 30, 2025 and 2024, the Company had loss on extinguishment of convertible debt instruments and debt of $0.

Current wording

Gain/(loss) on extinguishment of convertible debt instruments and finance obligations. Gain/(loss) on extinguishment of convertible debt instruments and finance obligations consists of losses that arise from retirement of the Company’s convertible debt instruments and finance obligations before maturity. During the three months ended March 31, 2026 and 2025, the Company recorded a gain/(loss) on extinguishment of convertible debt instruments and finance obligations of $1.8 million and ($3.7) million, respectively. The gain on extinguishment of convertible debt instruments and finance obligations recorded during the three months ended March 31, 2026 was due to a gain on the extinguishment of a finance obligation.

Previous wording

Change in fair value of convertible debenture. Change in fair value of convertible debenture consists of gains/(losses) that arise from the changes in fair value of the Company’s 6.00% Convertible Debenture. During the three and nine months ended September 30, 2025, the Company recorded a change in fair value of convertible debenture of $0 and $1.9 million, respectively, compared to a change in fair value of convertible debenture of $0 for the three and nine months ended September 30, 2024 as the 6.00% Convertible Debenture originated during the fourth quarter of 2024 and was fully paid off during the second quarter of 2025.

Current wording

Change in fair value of convertible debt instruments. Change in fair value of convertible debt instruments consists of gains/(losses) that arise from the changes in fair value of the Company’s convertible debt instruments. During the three months ended March 31, 2026, the Company recorded a change in fair value of convertible debt instruments of ($70.8) million compared to a change in fair value of convertible debt instruments of ($7.3) million for the three months ended March 31, 2025. The increase in losses on change in fair value of convertible debt instruments during the three months ended March 31, 2026 was primarily due to an increase in the Company’s common stock price, an increase in the Company’s volatility as well as a larger principal balance of the 6.75% Convertible Senior Notes compared to the principal balance of the Company’s convertible debt instruments held during the three months ended March 31, 2025.

Previous wording

Change in fair value of debt. Change in fair value of debt consists of gains/(losses) that arise from the changes in fair value of the Company’s 15.00% Secured Debenture. During the three and nine months ended September 30, 2025, the Company recorded a change in fair value of debt of ($2.7) million and ($6.1) million, respectively, compared to a change in fair value of debt of $0 for the three and nine months ended September 30, 2024 as the 15.00% Secured Debenture originated during the second quarter of 2025.

Current wording

Change in fair value of warrant liabilities. Change in fair value of warrant liabilities consists of gains/(losses) that arise from the changes in fair value of the Company’s $7.75 Warrants. During the three months ended March 31, 2026, the Company recorded a change in fair value of warrant liabilities of ($54.6) million primarily due to an increase in the Company’s common stock price and an increase in the Company’s stock price volatility compared to no change in fair value of warrant liabilities during the three months ended March 31, 2025, as the $7.75 Warrants were issued during the fourth quarter of 2025.

Previous wording

*Loss on equity method investments.*Loss on equity method investments consists of our interest in AccionaPlug S.L., which is our 50/50 joint venture with Acciona Generación Renovable, S.A., SK Plug Hyverse, which is our 49/51 joint venture with SK Innovation Co., Ltd, successor in interest to SK E&S Co., Ltd., and Clean H2 Infra Fund. For the three months ended September 30, 2025, the Company recorded a loss of $3.3 million on equity method investments compared to a loss of $8.7 million for the three months ended September 30, 2024. The decrease in loss on equity method investments was primarily due to the Company recording no losses related to HyVia during the three months ended September 30, 2025 as the joint venture entered into receivership proceedings during the fourth quarter of 2024.

Current wording

*Loss on equity method investments.*Loss on equity method investments consists of our interest in AccionaPlug S.L., which is our 50/50 joint venture with Acciona Generación Renovable, S.A. and Clean H2 Infra Fund. Prior to the fourth quarter of 2025, we also held a 49% interest in SK Plug Hyverse, our joint venture with SK Innovation Co., Ltd., successor in interest to SK E&S Co., Ltd. For the three months ended March 31, 2026, the Company recorded a loss of $0.5 million on equity method investments compared to a loss of $2.4 million for the three months ended March 31, 2025. The decrease in loss on equity method investments was primarily due to the Company not recognizing losses related to SK Plug Hyverse during the three months ended March 31, 2026 as the Company sold its entire 49% equity interest in SK Plug Hyverse during the fourth quarter of 2025.

Previous wording

The Company recorded $0.1 million and $0.1 million of income tax expense during the three months ended September 30, 2025 and 2024, respectively. The Company recorded $0.1 million of income tax expense and $0.1 million of income tax benefit during the nine months ended September 30, 2025 and 2024, respectively. The Company has not changed its overall conclusion with respect to the need for a valuation allowance against its net deferred tax assets in the U.S., which remain fully reserved. With the exception of a few service entities mainly in Europe, all domestic and foreign deferred tax assets are offset by a full valuation allowance because it is more likely than not that the tax benefits of the net operating loss carryforwards and other deferred tax assets will not be realized. The Company recognizes accrued interest and penalties related to unrecognized tax benefits, if any, as a component of income tax expense.

Current wording

The Company recorded income tax expense of $41 thousand and $0 during the three months ended March 31, 2026 and 2025, respectively. The income tax expense for the three months ended March 31, 2026 was primarily attributable to current tax incurred in foreign jurisdictions. The Company has not changed its overall conclusion with respect to the need for a valuation allowance against its net deferred tax assets in the United States, which remain fully reserved. Except for a few service entities mainly in Europe, all deferred tax assets are offset by a full valuation allowance because it is more likely than not that the tax benefits of the net operating loss carryforwards and other deferred tax assets will not be realized. As of March 31, 2026, the Company’s Netherlands subsidiary maintains a full valuation allowance on its deferred tax assets that will not be realized.

Previous wording

The net cash used in operating activities during the nine months ended September 30, 2025 and 2024 was $387.2 million and $597.4 million, respectively. The decrease in net cash used in operating activities was primarily due to an increase in cash provided by inventory, prepaid expenses and other assets and accounts payable, accrued expenses, and other liabilities as well as a decrease in cash used by deferred revenue and other contract liabilities. Those changes were partially offset by a decrease in cash provided by accounts receivable and an increase in cash used by contract assets and payments of operating lease liabilities.

Current wording

The net cash used in operating activities during the three months ended March 31, 2026 and 2025 was $150.0 million and $105.6 million, respectively. The increase in net cash used in operating activities was primarily due to an increase in cash used in prepaid expenses and other assets and accounts payable, accrued expenses, and other liabilities as well as an increase in payments of operating lease liabilities, net resulting from strategic buy-outs of the Company’s

Previous wording

The net cash used in investing activities during the nine months ended September 30, 2025 and 2024 was $117.7 million and $358.5 million, respectively. The decrease in net cash used in investing activities was primarily due to a decrease in purchases of property, plant and equipment as well as a decrease in contributions to equity method investments during the nine months ended September 30, 2025.

Current wording

The net cash used in investing activities during the three months ended March 31, 2026 and 2025 was $8.5 million and $46.6 million, respectively. The decrease in net cash used in investing activities was primarily due to a decrease in purchases of property, plant and equipment.

Previous wording

The net cash provided by financing activities during the nine months ended September 30, 2025 and 2024 was $313.1 million and $779.2 million, respectively. The decrease in cash provided by financing activities was primarily driven by a decrease in proceeds from public and private offerings and an increase in principal payments on convertible debentures, partially offset by an increase in proceeds from debt issuance.

Current wording

The net cash (used in)/provided by financing activities during the three months ended March 31, 2026 and 2025 was ($31.7) million and $193.2 million, respectively. The decrease from cash provided by financing activities to cash used in financing activities was primarily driven by a decrease in proceeds from public and private offerings as well as an increase in principal repayments of finance obligations and finance leases resulting from strategic buy-outs of the Company’s finance obligations and finance lease liabilities of $8.3 million during the first quarter of 2026. These activities were partially offset by a decrease in principal payments on convertible debt instruments.

Previous wording

The Company has continued to experience negative cash flows from operations and net losses. The Company incurred net losses of approximately $363.5 million and $211.2 million during the three months ended September 30, 2025 and 2024, respectively. The Company incurred net losses of approximately $789.1 million and $769.3 million during the nine months ended September 30, 2025 and 2024, respectively. The Company’s working capital was $288.4 million as of September 30, 2025, which included unrestricted cash and cash equivalents of $165.9 million and current restricted cash of $189.3 million, and the Company had an accumulated deficit of $7.4 billion.

Current wording

The Company has continued to experience negative cash flows from operations and net losses. The Company incurred net losses of approximately $246.0 million and $196.9 million during the three months ended March 31, 2026 and 2025, respectively. As of March 31, 2026, the Company’s working capital was $734.1 million, which included unrestricted cash and cash equivalents of $223.2 million and current restricted cash of $183.7 million, and the Company had an accumulated deficit of $8.5 billion.

Previous wording

“at-the-market” equity offering program will terminate upon the earliest of (a) August 15, 2027 with respect to principal and agency transactions, (b) the sale of all shares of common stock under the program or (c) termination of the sales agreement. On September 29, 2025, the Company and B. Riley amended the “at-the-market” equity offering program to add Yorkville Securities, LLC (“Yorkville”) as an additional sales agent and/or principal through which the Company may offer and sell shares pursuant to the “at-the-market” equity offering program. During the three months ended September 30, 2025, the Company sold 29,419,352 shares of common stock at a weighted-average sales price of $1.60 per share for gross proceeds of $47.2 million with related issuance costs of $0.8 million. During the nine months ended September 30, 2025, the Company sold 34,573,529 shares of common stock at a weighted-average sales price of $1.62 per share for gross proceeds of $55.9 million with related issuance costs of $1.0 million through the “at-the-market” equity offering program. As of September 30, 2025, the Company had $944.1 million of aggregate gross sales price of shares available to be sold under the “at-the-market” equity offering program.

Current wording

The Company has an “at-the-market” equity offering program with B. Riley Securities, Inc. (“B. Riley”) pursuant to which the Company may, from time to time, offer and sell through or to B. Riley, as sales agent or principal, shares of the Company’s common stock, having an aggregate gross sales price of up to $1.0 billion under a sales agreement. On August 15, 2025, the Company and B. Riley amended the “at-the-market” equity offering program to extend the term. The “at-the-market” equity offering program will terminate upon the earliest of (a) August 15, 2027, with respect to principal and agency transactions, (b) the sale of all shares of common stock under the program or (c) termination of the sales agreement. On September 29, 2025, the Company and B. Riley amended the “at-the-market” equity offering program to add Yorkville Securities, LLC (“Yorkville”) as an additional sales agent and/or principal through which the Company may offer and sell shares pursuant to the “at-the-market” equity offering program. As of March 31, 2026, the Company had $944.1 million of aggregate gross sales price of shares available to be sold under the “at-the-market” equity offering program.

Showing the first 40 of 61 pairs. Open the source sections for the rest.

Rearranged current paragraphs (4)

Current report — wording carried from elsewhere

the sale of hydrogen to customers that has been purchased by the Company from a third party or generated at our hydrogen production plants.

Current report — wording carried from elsewhere

Revenue – sales of equipment, related infrastructure and other. Revenue from sales of equipment, related infrastructure and other represents sales of our GenDrive units, GenSure stationary backup power units, cryogenic delivery

Current report — wording carried from elsewhere

operating lease liabilities of $6.9 million during the first quarter of 2026. Those changes were partially offset by a decrease in cash used in inventory and deferred revenue and other contract liabilities as well as an increase in cash provided by accounts receivable.

Current report — wording carried from elsewhere

In January 2026, the Company initiated reductions to its workforce (the “2026 Restructuring Plan”). We began executing the 2026 Restructuring Plan in January 2026 and expect the 2026 Restructuring Plan to be substantially completed in the second quarter of 2026, subject to local law and consultation requirements.
Rearranged previous paragraphs (6)

Previous report — wording carried elsewhere

The Company recorded a benefit for loss contracts related to service of $6.3 million during the nine months ended September 30, 2025 compared to a provision for loss contracts related to service of $38.3 million during the nine months ended September 30, 2024. The Company recorded a benefit primarily due to reductions in cost to service our GenDrive units and continued improvements.

Previous report — wording carried elsewhere

The Company has an “at-the-market” equity offering program with B. Riley Securities, Inc. (“B. Riley”) pursuant to which the Company may, from time to time, offer and sell through or to B. Riley, as sales agent or principal, shares of the Company’s common stock, having an aggregate gross sales price of up to $1.0 billion under a sales agreement. On August 15, 2025, the Company and B. Riley amended the “at-the-market” equity offering program to extend the term. The

Previous report — wording carried elsewhere

“At-the-Market” Equity Offering Program

Previous report — wording carried elsewhere

The following table summarizes the total interest expense and effective interest rate related to the 15.00% Secured Debenture during the three and nine months ended September 30, 2025 (in thousands, except for the effective interest rate):

Previous report — wording carried elsewhere

As of September 30, 2025, the Company was in compliance with all debt covenants associated with the 7.00% Convertible Senior Notes.

Previous report — wording carried elsewhere

a competitive market. We began executing the 2024 Restructuring Plan in February 2024 and it was effectively completed during the fourth quarter of 2024.