AES CORP

Non-GAAP Measures

EBITDA, Adjusted EBITDA, Adjusted EBITDA with Tax Attributes, Adjusted PTC, and Adjusted EPS are non-GAAP supplemental measures that are used by management and external users of our condensed consolidated financial statements such as investors, industry analysts, and lenders.

During the first quarter of 2025, the Company updated the definitions of Adjusted EBITDA, Adjusted PTC, and Adjusted EPS to exclude costs directly associated with a major restructuring program, including, but not limited to, workforce reduction efforts. These restructuring initiatives to streamline our organization and right-size our development company would result in significant incremental costs above normal operations, and the inclusion of such costs would result in a lack of comparability in our results of operations and could be misleading to investors. We believe excluding these costs associated with a major restructuring initiative better reflects the underlying business performance of the Company.

For the year ended December 31, 2024, the Company updated the definitions of EBITDA and Adjusted EBITDA to include accretion of AROs in thedepreciation and amortization add-back. We believe excluding accretion of AROs from these metrics better reflects the underlying business performance of the Company and is aligned with the metrics of our industry peers. For comparability and consistency, all prior period EBITDA and Adjusted EBITDA measures have been recast to conform to the current presentation. The impact of this update resulted in an

42 | The AES Corporation | March 31, 2025 Form 10-Q

increase to Adjusted EBITDA of $5 million for the three months ended March 31, 2024.

During the first quarter of 2024, the Company updated the definitions of Adjusted EBITDA, Adjusted PTC, and Adjusted EPS add-back (a)unrealized gains or losses related to derivative transactions and equity securities to include financial assets and liabilities measured using the fair value option, and updated add-back (e)gains, losses, and costs due to the early retirement of debt to include troubled debt restructuring. We believe excluding these gains or losses better reflects the underlying business performance of the Company. The Company also removed the adjustment for net gains at Angamos, one of our businesses in the Energy Infrastructure SBU, associated with the early contract terminations with Minera Escondida and Minera Spence. As this adjustment was specific to certain contract terminations that occurred in 2020, we believe removing this adjustment from our non-GAAP definitions provides simplification and clarity for our investors. There were no such impacts in 2024.

EBITDA, Adjusted EBITDA and Adjusted EBITDA with Tax Attributes

We define EBITDA as earnings before interest income and expense, taxes, depreciation, amortization, and accretion of AROs. We define Adjusted EBITDA as EBITDA adjusted for the impact of NCI and interest, taxes, depreciation, amortization, and accretion of AROs of our equity affiliates, adding back interest income recognized under service concession arrangements, and excluding gains or losses of both consolidated entities and entities accounted for under the equity method due to (a) unrealized gains or losses pertaining to derivative transactions, equity securities, and financial assets and liabilities measured using the fair value option; (b) unrealized foreign currency gains or losses; (c) gains, losses, benefits and costs associated with dispositions and acquisitions of business interests, including early plant closures, and gains and losses recognized at commencement of sales-type leases; (d) losses due to impairments; (e) gains, losses, and costs due to the early retirement of debt or troubled debt restructuring; and (f) costs directly associated with a major restructuring program, including, but not limited to, workforce reduction efforts.

In addition to the revenue and cost of sales reflected in Operating Margin, Adjusted EBITDA includes the other components of our Consolidated Statement of Operations, such asgeneral and administrative expenses in Corporate and Other as well as business development costs, other expense andother income, realized foreign currency transaction gains and losses, andnet equity in earnings (losses) of affiliates.

We further define Adjusted EBITDA with Tax Attributes as Adjusted EBITDA, adding back the pre-tax effect of Production Tax Credits (“PTCs”), Investment Tax Credits (“ITCs”), and depreciation tax deductions allocated to tax equity investors, as well as the tax benefit recorded from tax credits retained or transferred to third parties.

The GAAP measure most comparable to EBITDA, Adjusted EBITDA, and Adjusted EBITDA with Tax Attributes is Net income. We believe that EBITDA, Adjusted EBITDA, and Adjusted EBITDA with Tax Attributes better reflect the underlying business performance of the Company. Adjusted EBITDA is the most relevant measure considered in the Company’s internal evaluation of the financial performance of its segments. Factors in this determination include the variability due to unrealized gains or losses pertaining to derivative transactions, equity securities, or financial assets and liabilities remeasurement, unrealized foreign currency gains or losses, losses due to impairments, strategic decisions to dispose of or acquire business interests, retire debt, or implement restructuring initiatives, and the variability of allocations of earnings to tax equity investors, which affect results in a given period or periods. In addition, each of these metrics represents the business performance of the Company before the application of statutory income tax rates and tax adjustments, including the effects of tax planning, corresponding to the various jurisdictions in which the Company operates. Given its large number of businesses and overall complexity, the Company concluded that Adjusted EBITDA is a more transparent measure than Net income that better assists investors in determining which businesses have the greatest impact on the Company’s results.

EBITDA, Adjusted EBITDA, and Adjusted EBITDA with Tax Attributes should not be construed as alternatives to Net income, which is determined in accordance with GAAP.

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(1)The allocation of earnings and losses to tax equity investors from both consolidated entities and equity affiliates is removed from Adjusted EBITDA. NCI also excludes amounts allocated to preferred shareholders during the construction phase before a project becomes operational, as this is akin to a financing arrangement.

(2)Adjusted EBITDA with Tax Attributes includes the impact of the share of the ITCs, PTCs, and depreciation deductions allocated to tax equity investors under the HLBV accounting method and recognized as Net loss (income) attributable to noncontrolling interests and redeemable stock of subsidiarieson the Condensed Consolidated Statements of Operations. It also includes the tax benefit recorded from tax credits retained or transferred to third parties. The tax attributes are related to the Renewables and Utilities SBUs.

Adjusted PTC

We define Adjusted PTC as pre-tax income from continuing operations attributable to The AES Corporation excluding gains or losses of the consolidated entity due to (a) unrealized gains or losses pertaining to derivative transactions, equity securities, and financial assets and liabilities measured using the fair value option; (b) unrealized foreign currency gains or losses; (c) gains, losses, benefits, and costs associated with dispositions and acquisitions of business interests, including early plant closures, and gains and losses recognized at commencement of sales-type leases; (d) losses due to impairments; (e) gains, losses, and costs due to the early retirement of debt or troubled debt restructuring; and (f) costs directly associated with a major restructuring program, including, but not limited to, workforce reduction efforts. Adjusted PTC also includes net equity in earnings of affiliates on an after-tax basis adjusted for the same gains or losses excluded from consolidated entities.

Adjusted PTC reflects the impact of NCI and excludes the items specified in the definition above. In addition to

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the revenue and cost of sales reflected in Operating Margin, Adjusted PTC includes the other components of our Consolidated Statement of Operations, such asgeneral and administrative expenses in Corporate and Other as well as business development costs, interest expense andinterest income, other expense andother income, realized foreign currency transaction gains and losses, andnet equity in earnings (losses) of affiliates.

The GAAP measure most comparable to Adjusted PTC is Income from continuing operations attributable to The AES Corporation. We believe that Adjusted PTC better reflects the underlying business performance of the Company and is a relevant measure considered in the Company’s internal evaluation of the financial performance of its segments. Factors in this determination include the variability due to unrealized gains or losses pertaining to derivative transactions, equity securities, or financial assets and liabilities remeasurement, unrealized foreign currency gains or losses, losses due to impairments, strategic decisions to dispose of or acquire business interests, retire debt, or implement restructuring initiatives, which affect results in a given period or periods. In addition, Adjusted PTC represents the business performance of the Company before the application of statutory income tax rates and tax adjustments, including the effects of tax planning, corresponding to the various jurisdictions in which the Company operates. Given its large number of businesses and complexity, the Company concluded that Adjusted PTC is a more transparent measure than Income from continuing operations attributable to The AES Corporation that better assists investors in determining which businesses have the greatest impact on the Company’s results.

Adjusted PTC should not be construed as an alternative to Income from continuing operations attributable to The AES Corporation, which is determined in accordance with GAAP.

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Adjusted EPS

We define Adjusted EPS as diluted earnings per share from continuing operations excluding gains or losses of both consolidated entities and entities accounted for under the equity method due to (a) unrealized gains or losses pertaining to derivative transactions, equity securities, and financial assets and liabilities measured using the fair value option; (b) unrealized foreign currency gains or losses; (c) gains, losses, benefits and costs associated with dispositions and acquisitions of business interests, including early plant closures, and the tax impact from the repatriation of sales proceeds, and gains and losses recognized at commencement of sales-type leases; (d) losses due to impairments; (e) gains, losses, and costs due to the early retirement of debt or troubled debt restructuring; and (f) costs directly associated with a major restructuring program, including, but not limited to, workforce reduction efforts.

The GAAP measure most comparable to Adjusted EPS is Diluted earnings per share from continuing operations. We believe that Adjusted EPS better reflects the underlying business performance of the Company and is considered in the Company’s internal evaluation of financial performance. Factors in this determination include the variability due to unrealized gains or losses pertaining to derivative transactions, equity securities, or financial assets and liabilities remeasurement, unrealized foreign currency gains or losses, losses due to impairments, strategic decisions to dispose of or acquire business interests, retire debt, or implement restructuring initiatives, which affect results in a given period or periods.

Adjusted EPS should not be construed as an alternative to Diluted earnings per share from continuing operations, which is determined in accordance with GAAP.

The Company reported diluted earnings per share of $0.60 for the three months ended March 31, 2024. For purposes of measuring earnings per share under U.S. GAAP, income available to AES common stockholders is reduced by increases in the carrying amount of redeemable stock of subsidiaries to redemption value. While the adjustment reduced earnings per share, it did not impact Net income on the Condensed Consolidated Statement of Operations. For purposes of computing Adjusted EPS, the Company excluded the adjustment to redemption value from the numerator. The table below reconciles the income available to AES common stockholders used in GAAP diluted earnings per share to the income from continuing operations used in calculating the non-GAAP measure of Adjusted EPS.

(1)Amount primarily relates to net unrealized derivative gains at the Energy Infrastructure SBU of $68 million, or $0.10 per share.

(2)Amount primarily relates to losses on contingent consideration at AES Clean Energy of $28 million, or $0.04 per share, and day-one losses on commencement of sales-type leases at AES Renewable Holdings of $9 million, or $0.01 per share.

(3)Amount primarily relates to gain on dilution of ownership in Uplight due to its acquisition of AutoGrid of $52 million, or $0.07 per share, partially offset by the loss on partial sale of our ownership interest in Amman East and IPP4 in Jordan of $10 million, or $0.01 per share.

(4)Amount primarily relates to impairments at AES Clean Energy Development projects of $25 million, or $0.03 per share, and Mong Duong of $9 million, or $0.01 per share.

(5)Amount primarily relates to impairment at Mong Duong of $19 million, or $0.03 per share.

(6)Amount primarily relates to costs incurred due to troubled debt restructuring at Puerto Rico of $19 million, or $0.03 per share.

(7)Amount primarily relates to severance costs associated with the Company-wide restructuring program.

(8)Amount primarily relates to income tax expense associated with severance costs related to the Company-wide restructuring program of $10 million, or $0.01 per share, losses on contingent consideration at AES Clean Energy of $8 million, or $0.01 per share, and impairment at AES Clean Energy Development projects of $7 million, or $0.01 per share.

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Renewables SBU

The following table summarizes Operating Margin, Adjusted EBITDA, and Adjusted EBITDA with Tax Attributes (in millions) for the periods indicated:

Operating Margin for the three months ended March 31, 2025 increased $10 million. This increase was primarily driven by a $36 million increase related to higher generation in Panama as a result of better hydrological conditions, $35 million positive impact from new businesses, and $22 million of prior year operating margin related to the AES Andes portfolio, which is reported in the Renewables SBU beginning in 2025 following the sale and expiration of certain coal-related assets and contracts. These positive impacts were partially offset by a $36 million increase in fixed costs primarily related to an accelerated growth plan, a $32 million impact from the sale of AES Brasil, and $16 million of one-time costs due to restructuring.

Adjusted EBITDA for the three months ended March 31, 2025 increased $50 million, primarily due to the drivers mentioned above, adjusted for NCI, unrealized derivatives, restructuring costs, and depreciation.

Adjusted EBITDA with Tax Attributes for the three months ended March 31, 2025 decreased $48 million, primarily driven by lower tax attributes realized in the current year due to timing of tax attribute recognition, partially offset by the increase in Adjusted EBITDA explained above. During the three months ended March 31, 2025 and 2024, we realized $128 million and $226 million, respectively, from tax attributes earned by our U.S. renewables business.

Utilities SBU

The following table summarizes Operating Margin, Adjusted EBITDA, Adjusted EBITDA with Tax Attributes, and Adjusted PTC (in millions) for the periods indicated:

(2)Adjusted PTC remains a key metric used by management for analyzing our businesses in the utilities industry.

Operating Margin for the three months ended March 31, 2025 increased $35 million, driven primarily by $43 million due to higher retail rates as a result of the 2024 Base Rate Order, including the impact of certain riders now included in base rate; $20 million resulting from higher demand due to the impact of weather; and a $13 million increase in transmission and rider revenues. These increases are partially offset by a $13 million increase in depreciation expense from additional assets placed in service, higher amortization of regulatory assets, and changes in depreciation rates as a result of the 2024 Base Rate Order; an $8 million decrease due to the impact of planned outages; an $8 million decrease due to higher credit losses; and a $7 million decrease due to higher property taxes driven by higher assessed values.

Adjusted EBITDA for the three months ended March 31, 2025 increased $41 million, primarily due to the drivers above, adjusted for NCI, depreciation, and restructuring costs.

Adjusted EBITDA with Tax Attributes increased $97 million, mainly driven by the drivers above, as well as a $56 million increase in realized tax attributes, primarily related to the Pike County BESS project in the current year.

Adjusted PTC for the three months ended March 31, 2025 increased $80 million due to the drivers above, offset by higher depreciation expense.

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Energy Infrastructure SBU

The following table summarizes Operating Margin and Adjusted EBITDA (in millions) for the periods indicated:

Operating Margin for the three months ended March 31, 2025 decreased $205 million, driven by $96 million higher prior year revenues from the monetization of the Warrior Run coal plant PPA, $71 million due to prior year unrealized derivative gains as part of our commercial hedging strategy, $22 million of prior year operating margin at AES Andes, which is reported in the Renewables SBU beginning in 2025, and $17 million of one-time costs due to restructuring.

Adjusted EBITDA for the three months ended March 31, 2025 decreased $102 million, primarily due to the drivers above adjusted for NCI, unrealized derivatives, and restructuring costs.

New Energy Technologies SBU

The following table summarizes Operating Margin and Adjusted EBITDA (in millions) for the periods indicated:

Operating Margin for the three months ended March 31, 2025 increased $2 million, with no material drivers.

Adjusted EBITDA for the three months ended March 31, 2025 decreased $8 million, primarily due to higher net losses at Fluence. The increased losses were mainly driven by a decline in sales, reflecting lower volumes fulfilled due to the timing of customer schedules.