Earnings release
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Exhibit 99.1 NEWS Investor Relations: Sam Ramraj, (626) 302-2540Media Relations: (626) 302-2255news@sce.com Edison International Reports Third Quarter 2025 Results • Third-quarter 2025 GAAP EPS of $2.16; core EPS of $2.34 • Legislature passed SB 254, a key action supporting IOU financial stability • Continued strong regulatory progress: constructive GRC final decision; Woolsey settlement filed • Eaton Fire confirmed as a "covered wildfire" by Wildfire Fund administrator for purposes of accessing the fund • Narrowed 2025 core EPS guidance to $5.95-$6.20 • Continued confidence in delivering 5-7% core EPS growth from 2025-28 ROSEMEAD, Calif., Oct. 28, 2025 — Edison International (NYSE: EIX) today reported third-quarter net income of $832 million, or $2.16 per share, compared to net income of $516 million, or $1.33 per share, in the third quarter of last year. As adjusted, third-quarter core earnings were $901 million, or $2.34 per share, compared to core earnings of $582 million, or $1.51 per share, in the third quarter of last year. Southern California Edison’s third-quarter 2025 core earnings per share (EPS) increased year over year, primarily due to higher revenue from the 2025 GRC final decision. Edison International Parent and Other’s third-quarter 2025 core loss per share increased year over year, primarily due to higher interest expense. “We have made significant progress on the regulatory front this year, further de-risking our financial outlook and bolstering our ability to deliver for customers and investors,” said Pedro J. Pizarro, president and CEO of Edison International. “The CPUC’s decision on SCE’s 2025 General Rate Case approved 91% of SCE’s proposed capital investments and highlighted the important investments in the grid that provide long-lasting value to customers.” Pizarro added, “We are encouraged by the recent passage of Senate Bill 254 and the next phase, which will evaluate reforms to equitably socialize the risks and costs of climate-driven natural disasters. We look forward to continuing to work with legislators and stakeholders and are confident that we will see meaningful legislative action next year.” Edison International uses core earnings internally for financial planning and analysis of performance. Core earnings are also used when communicating with investors and analysts regarding Edison International’s earnings results to facilitate comparisons of the company’s performance from period to period. Please see the attached tables to reconcile core earnings to basic GAAP earnings.
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2025 Earnings Guidance The company narrowed its earnings guidance range for 2025, as summarized in the following chart. See the presentation accompanying the company’s conference call for further information and assumptions. 2025 Earnings Guidance as of July 31, 2025 2025 Earnings Guidance as of Oct. 28, 2025 Low High Low High EIX Basic EPS $ 8.22 $ 8.62 $ 8.05 $ 8.30 Less: Non-core Items* 2.28 2.28 2.10 2.10 EIX Core EPS $ 5.94 $ 6.34 $ 5.95 $ 6.20 *There were $808 million, or $2.10 per share, of non-core items recorded for the nine months ending Sept. 30, 2025. Basic EPS guidance only incorporates non-core items until Sept. 30, 2025. Third-Quarter 2025 Earnings Conference Call and Webcast Details When: Tuesday, Oct. 28, 1:30-2:30 p.m. (PDT) Telephone Numbers: 1-888-673-9780 (U.S.) and 1-312-470-0178 (Int'l) — Passcode: Edison Telephone Replay: 1-800-685-6667 (U.S.) and 1-203-369-3864 (Int’l) — Passcode: 2185 Telephone replay available through Nov. 11 at 6 p.m. (PST) Webcast www.edisoninvestor.com Edison International has posted its earnings conference call prepared remarks by the CEO and CFO, the teleconference presentation, and Form 10-Q on the company’s investor relations website. These materials are available at www.edisoninvestor.com.
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About Edison International Edison International (NYSE: EIX) is one of the nation’s largest electric utility holding companies, focused on providing clean and reliable energy and energy services through its independent companies. Headquartered in Rosemead, Calif., Edison International is the parent company of Southern California Edison Company, a utility delivering electricity to 15 million people across Southern, Central and Coastal California. Edison International is also the parent company of Trio (formerly Edison Energy), a portfolio of nonregulated competitive businesses providing integrated sustainability and energy advisory services to large commercial, industrial and institutional organizations in North America and Europe.
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Appendix Use of Non-GAAP Financial Measures Edison International’s earnings are prepared in accordance with generally accepted accounting principles used in the United States and represent the company’s earnings as reported to the Securities and Exchange Commission. Our management uses core earnings and core earnings per share ("EPS") internally for financial planning and for analysis of performance of Edison International and Southern California Edison. We also use core earnings and core EPS when communicating with analysts and investors regarding our earnings results to facilitate comparisons of the Company’s performance from period to period. Financial measures referred to as net income, basic EPS, core earnings, or core EPS also apply to the description of earnings or earnings per share. Core earnings and core EPS are non-GAAP financial measures and may not be comparable to those of other companies. Core earnings and core EPS are defined as basic earnings and basic EPS excluding income or loss from discontinued operations and income or loss from significant discrete items that management does not consider representative of ongoing earnings. Basic earnings and losses refer to net income or losses attributable to Edison International shareholders. Core earnings are reconciled to basic earnings in the attached tables. The impact of participating securities (vested awards that earn dividend equivalents that may participate in undistributed earnings with common stock) for the principal operating subsidiary is not material to the principal operating subsidiary’s EPS and is therefore reflected in the results of the Edison International holding company, which is included in Edison International Parent and Other. Safe Harbor Statement Statements contained in this release about future performance, including, without limitation, operating results, capital expenditures, rate base growth, dividend policy, financial outlook, and other statements that are not purely historical, are forward-looking statements. These forward-looking statements reflect our current expectations; however, such statements involve risks and uncertainties. Actual results could differ materially from current expectations. These forward-looking statements represent our expectations only as of the date of this release, and Edison International assumes no duty to update them to reflect new information, events or circumstances. Important factors that could cause different results include, but are not limited to the: • ability of SCE to recover its costs through regulated rates, timely or at all, including uninsured wildfire-related and debris flow-related costs (including amounts paid for self-insured retention and co-insurance, and amounts not recoverable from the Wildfire Insurance Fund), and costs incurred for wildfire restoration efforts and to mitigate the risk of utility equipment causing future wildfires; • the cybersecurity of Edison International's and SCE's critical information technology systems for grid control and business, employee and customer data, and the physical security of Edison International's and SCE's critical assets and personnel; • risks associated with the operation and maintenance of electrical facilities, including worker, contractor, and public safety issues, the risk of utility assets causing or contributing to wildfires, failure, availability, efficiency, and output of equipment and facilities, and availability and cost of spare parts; • impact of affordability of customer rates on SCE's ability to execute its strategy, including the impact of affordability on SCE’s ability to obtain regulatory approval of, or cost recovery for, operations and maintenance expenses, proposed capital investment projects, and increased costs due to supply chain constraints, tariffs, inflation and rising interest rates and the impact of legislative actions on affordability; • ability of SCE to update its grid infrastructure to maintain system integrity and reliability, and meet electrification needs; • ability of SCE to implement its operational and strategic plans, including its Wildfire Mitigation Plan, its target energization times and capital investment program, including challenges related to project site identification, public opposition, environmental mitigation, construction, permitting, contractor performance, changes in the California Independent System Operator's (“CAISO”) transmission plans, and governmental approvals; • risks of regulatory or legislative restrictions that would limit SCE's ability to implement operational measures to mitigate wildfire risk, including Public Safety Power Shutoff (“PSPS”) and fast curve settings, when conditions warrant or would otherwise limit SCE's operational practices relative to wildfire risk mitigation; • ability of SCE to obtain safety certifications from the Office of Energy Infrastructure Safety of the California Natural Resources Agency (“OEIS“);
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• risk that California Assembly Bill 1054 (“AB 1054“), California Senate Bill 254 ("SB 254") or other new California legislation does not effectively mitigate the significant exposure faced by California investor-owned utilities related to liability for damages arising from catastrophic wildfires where utility facilities are alleged to be a substantial or contributing cause, including the longevity of the Wildfire Insurance Fund and the California Public Utilities Commission (“CPUC”) interpretation of and actions under AB 1054 or SB 254, including its interpretation of the prudency standard clarified by AB 1054; • ability of Edison International and SCE to effectively attract, manage, develop and retain a skilled workforce, including its contract workers; • decisions and other actions by the CPUC, the Federal Energy Regulatory Commission, and the United States Nuclear Regulatory Commission, the California legislature and other governmental authorities, including decisions and actions related to nationwide or statewide crisis, approval of regulatory proceeding settlements, determinations of authorized rates of return or return on equity, the recoverability of wildfire-related and debris flow-related costs, issuance of SCE's wildfire safety certification, reforming wildfire-related liability protections available to California investor-owned utilities, wildfire mitigation efforts, approval and implementation of electrification programs, and delays in executive, regulatory and legislative actions; • governmental, statutory, regulatory, or administrative changes or initiatives affecting the electricity industry, including the market structure rules applicable to each market adopted by the North American Electric Reliability Corporation, CAISO, Western Electricity Coordinating Council, and similar regulatory bodies in adjoining regions, and changes in the United States' and California's environmental priorities that lessen the importance placed on greenhouse gas reduction and other climate related priorities; • potential for penalties or disallowances for non-compliance with applicable laws and regulations, including fines, penalties and disallowances related to wildfires where SCE's equipment is alleged to be associated with ignition; • extreme weather-related incidents (including events caused, or exacerbated, by climate change), such as wildfires, debris flows, flooding, droughts, high wind events and extreme heat events and other natural disasters (such as earthquakes), which could cause, among other things, worker and public safety issues, property damage, outages and other operational issues (such as issues due to damaged infrastructure), PSPS activations and unanticipated costs; • risks associated with the decommissioning of San Onofre, including those related to worker and public safety, public opposition, permitting, governmental approvals, on-site storage of spent nuclear fuel and other radioactive material, delays, contractual disputes, and cost overruns; • risks associated with cost allocation resulting in higher rates for utility bundled service customers because of possible customer bypass or departure for other electricity providers such as Community Choice Aggregators (“CCA,” which are cities, counties, and certain other public agencies with the authority to generate and/or purchase electricity for their local residents and businesses) and Electric Service Providers (entities that offer electric power and ancillary services to retail customers, other than electrical corporations (like SCE) and CCAs); • actions by credit rating agencies to downgrade Edison International or SCE’s credit ratings or to place those ratings on negative watch or negative outlook. Other important factors are discussed under the headings “Forward-Looking Statements”, “Risk Factors” and “Management’s Discussion and Analysis” in Edison International’s Form 10-K and other reports filed with the Securities and Exchange Commission, which are available on our website: www.edisoninvestor.com. These filings also provide additional information on historical and other factual data contained in this release.
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Third Quarter Reconciliation of Basic Earnings Per Share to Core Earnings Per Share Three Months Ended September 30, Nine Months Ended September 30, 2025 2024 Change 2025 2024 Change Earnings (loss) per share available to Edison International SCE $ 2.40 $ 1.56 $ 0.84 $ 7.62 $ 3.09 $ 4.53 Edison International Parent and Other (0.24) (0.23) (0.01) (0.84) (0.64) (0.20) Edison International 2.16 1.33 0.83 6.78 2.45 4.33 Less: Non-core items SCE (0.18) (0.18) — 2.20 (1.43) 3.63 Edison International Parent and Other — — — (0.10) — (0.10) Total non-core items (0.18) (0.18) — 2.10 (1.43) 3.53 Core earnings (loss) per share SCE 2.58 1.74 0.84 5.42 4.52 0.90 Edison International Parent and Other (0.24) (0.23) (0.01) (0.74) (0.64) (0.10) Edison International $ 2.34 $ 1.51 $ 0.83 $ 4.68 $ 3.88 $ 0.80 Note: Diluted earnings were $2.16 and $1.32 per share for the three months ended September 30, 2025 and 2024, respectively. Diluted earnings were $6.76 and $2.44 per share for the nine months ended September 30, 2025 and 2024, respectively. Third Quarter Reconciliation of Basic Earnings to Core Earnings (in millions) Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2025 2024 Change 2025 2024 Change Net income (loss) available to Edison International SCE $ 925 $ 602 $ 323 $ 2,935 $ 1,190 $ 1,745 Edison International Parent and Other (93) (86) (7) (324) (246) (78) Edison International 832 516 316 2,611 944 1,667 Less: Non-core items SCE (69) (65) (4) 847 (549) 1,396 Edison International Parent and Other — (1) 1 (39) (2) (37) Total non-core items (69) (66) (3) 808 (551) 1,359 Core earnings (losses) SCE 994 667 327 2,088 1,739 349 Edison International Parent and Other (93) (85) (8) (285) (244) (41) Edison International $ 901 $ 582 $ 319 $ 1,803 $ 1,495 $ 308 Includes net earnings recorded in the nine months ended September 30, 2025 related to TKM Settlement Agreement, including ongoing activities after the initial implementation: $1,341 million ($966 million after-tax) of claim costs and $58 million ($42 million after-tax) of legal expenses authorized for recovery, partially offset by shareholder-funded wildfire mitigation expenses of $50 million ($36 million after-tax) and impairment of incremental restoration-related assets of $8 million ($6 million after-tax). Charges of $3 million ($2 million after-tax) and $7 million ($5 million after-tax) recorded in the three and nine months ended September 30, 2025, respectively, and $7 million ($5 million after-tax) and $485 million ($349 million after-tax) recorded in the three and nine months ended September 30, 2024, respectively, related to 2017/2018 Wildfire/Mudslide Events claim costs and related legal expenses, net of expected regulatory recoveries. Includes charges for Other Wildfires claims and related legal expenses, net of expected insurance and regulatory recoveries of $2 million ($2 million after-tax) and $3 million ($2 million after-tax), for the three months ended September 30, 2025 and 2024, respectively. Includes net earnings of $4 million ($3 million after-tax) recorded in the nine months ended September 30, 2025, which consisted of $14 million insurance reimbursements for costs incurred in previous years, partially offset by $10 million of legal expenses, net of expected regulatory recoveries, and charges of $124 million ($90 million after-tax) recorded in the nine months 1,2,3,4,5 6 1 2
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ended September 30, 2024, for Other Wildfire Events claims and related legal expenses, net of expected insurance and regulatory recoveries. Includes amortization of SCE's Wildfire Insurance Fund expenses of $36 million ($26 million after-tax) and $36 million ($26 million after- tax) for the three months ended September 30, 2025 and 2024, respectively, and $108 million ($78 million after-tax) and $109 million ($78 million after-tax) for the nine months ended September 30, 2025 and 2024, respectively. Includes net charges of $76 million ($39 million after-tax) recorded in the third quarter of 2025, primarily related to impairment of utility property, plant and equipment associated with historical capital expenditures disallowed in SCE's 2025 GRC final decision. Includes severance costs of $44 million ($32 million after-tax), net of expected FERC recovery, recorded in the third quarter of 2024 due to reductions in workforce. Includes wildfire claims of $1 million ($1 million after-tax) insured by EIS for the three months ended September 30, 2024, and $50 million ($39 million after-tax) and $2 million ($2 million after-tax) for the nine months ended September 30, 2025 and 2024, respectively. 3 4 5 6
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Condensed Consolidated Statements of Income Edison International Three months ended September 30, Nine months ended September 30, (in millions, except per-share amounts, unaudited) 2025 2024 2025 2024 Operating revenue $ 5,750 $ 5,201 $ 14,104 $ 13,615 Purchased power and fuel 1,701 1,898 3,905 4,140 Operation and maintenance 1,175 1,393 3,738 3,995 Wildfire-related claims, net of (recoveries) 295 1 (1,010) 616 Wildfire Insurance Fund expense 36 36 108 109 Depreciation and amortization 862 710 2,430 2,138 Property and other taxes 161 168 495 477 Asset impairment and other 88 — 97 — Total operating expenses 4,318 4,206 9,763 11,475 Operating income 1,432 995 4,341 2,140 Interest expense (488) (477) (1,293) (1,401) Other income, net 119 127 339 413 Income before income taxes 1,063 645 3,387 1,152 Income tax expense 175 68 609 14 Net income 888 577 2,778 1,138 Less: Preference stock dividend requirements of SCE 34 39 101 129 Preferred stock dividend requirements of Edison International 22 22 66 65 Net income available to Edison International common shareholders $ 832 $ 516 $ 2,611 $ 944 Basic earnings per share: Weighted average shares of common stock outstanding 385 387 385 386 Basic earnings per common share available to Edison International common shareholders $ 2.16 $ 1.33 $ 6.78 $ 2.45 Diluted earnings per share: Weighted average shares of common stock outstanding, including effect of dilutive securities 386 390 386 388 Diluted earnings per common share available to Edison International common shareholders $ 2.16 $ 1.32 $ 6.76 $ 2.44
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Condensed Consolidated Balance Sheets Edison International (in millions, unaudited) September 30, 2025 December 31, 2024 ASSETS Cash and cash equivalents $ 364 $ 193 Receivables, net of allowances for uncollectible accounts of $326 and $352 at respective dates 2,284 2,169 Accrued unbilled revenue 1,159 848 Inventory 524 538 Prepaid expenses 116 103 Regulatory assets 2,703 2,748 Wildfire Insurance Fund contributions 138 138 Other current assets 440 418 Total current assets 7,728 7,155 Nuclear decommissioning trusts 4,475 4,286 Other investments 70 57 Total investments 4,545 4,343 Utility property, plant and equipment, net of accumulated depreciation and amortization of $14,923 and $14,207 at respective dates 61,588 59,047 Nonutility property, plant and equipment, net of accumulated depreciation of $128 and $124 at respective dates 200 207 Total property, plant and equipment 61,788 59,254 Receivables, net of allowances for uncollectible accounts of $41 and $43 at respective dates 50 62 Regulatory assets (include $1,476 and $1,512 related to a Variable Interest Entity ("VIE") at respective dates) 10,686 8,886 Wildfire Insurance Fund contributions 1,774 1,878 Operating lease right-of-use assets 1,180 1,180 Long-term insurance receivables 307 418 Other long-term assets 2,431 2,403 Total other assets 16,428 14,827 Total assets $ 90,489 $ 85,579
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Condensed Consolidated Balance Sheets Edison International (in millions, except share amounts, unaudited) September 30, 2025 December 31, 2024 LIABILITIES AND EQUITY Short-term debt $ 1,879 $ 998 Current portion of long-term debt 1,899 2,049 Accounts payable 2,346 2,000 Wildfire-related claims 98 60 Accrued interest 436 422 Regulatory liabilities 1,109 1,347 Current portion of operating lease liabilities 120 124 Other current liabilities 1,532 1,439 Total current liabilities 9,419 8,439 Long-term debt (includes $1,444 and $1,468 related to a VIE at respective dates) 34,479 33,534 Deferred income taxes and credits 8,433 7,180 Pensions and benefits 370 384 Asset retirement obligations 2,540 2,580 Regulatory liabilities 10,736 10,159 Operating lease liabilities 1,060 1,056 Wildfire-related claims 456 941 Other deferred credits and other long-term liabilities 3,666 3,566 Total deferred credits and other liabilities 27,261 25,866 Total liabilities 71,159 67,839 Preferred stock (50,000,000 shares authorized; 1,159,317 shares of Series A and 503,454 shares of Series B issued and outstanding at respective dates) 1,645 1,645 Common stock, no par value (800,000,000 shares authorized; 384,787,056 and 384,784,719 shares issued and outstanding at respective dates) 6,343 6,353 Accumulated other comprehensive income 2 — Retained earnings 9,165 7,567 Total Edison International's shareholders' equity 17,155 15,565 Noncontrolling interests – preference stock of SCE 2,175 2,175 Total equity 19,330 17,740 Total liabilities and equity $ 90,489 $ 85,579
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Condensed Consolidated Statements of Cash Flows Edison International Nine months ended September 30, (in millions, unaudited) 2025 2024 Cash flows from operating activities: Net income $ 2,778 $ 1,138 Adjustments to reconcile to net cash provided by operating activities: Depreciation and amortization 2,430 2,183 Equity allowance for funds used during construction (140) (143) Asset impairment and other 97 — Deferred income taxes 598 (42) Wildfire Insurance Fund amortization expense 108 109 Other 123 43 Nuclear decommissioning trusts (106) (118) Changes in operating assets and liabilities: Receivables (152) (847) Inventory 10 (9) Accounts payable 362 336 Tax receivables and payables 154 198 Other current assets and liabilities (539) (492) Derivative assets and liabilities, net (37) (2) Regulatory assets and liabilities, net (1,373) 1,557 Wildfire-related insurance receivable 111 115 Wildfire-related claims (447) (304) Other noncurrent assets and liabilities 251 122 Net cash provided by operating activities 4,228 3,844 Cash flows from financing activities: Long-term debt issued, net of discount and issuance costs of $49 and $37 for the respective periods 3,502 4,713 Long-term debt repaid (2,027) (2,176) Short-term debt issued 510 — Short-term debt repaid (20) (401) Common stock repurchased (32) — Preference stock issued, net of issuance cost — 345 Preferred stock repurchased — (378) Commercial paper repayments, net of borrowing (314) (817) Dividends and distribution to noncontrolling interests (101) (130) Common stock dividends paid (955) (896) Preferred stock dividends paid (87) (88) Other 2 192 Net cash provided by financing activities 478 364 Cash flows from investing activities: Capital expenditures (4,624) (4,211) Proceeds from sale of nuclear decommissioning trust investments 4,502 3,558 Purchases of nuclear decommissioning trust investments (4,398) (3,488) Other 27 44 Net cash used in investing activities (4,493) (4,097) Net increase in cash, cash equivalents and restricted cash 213 111 Cash, cash equivalents and restricted cash at beginning of period 684 532 Cash, cash equivalents and restricted cash at end of period $ 897 $ 643