Edison International Reports First-Quarter 2025 Results

• First-quarter 2025 GAAP EPS of $3.73; Core EPS of $1.37
• Eaton Fire investigation continues; working closely with state and county leaders and communities to rebuild wildfire-impacted areas stronger
• Strong regulatory progress: TKM settlement approved; filed 2026 Cost of Capital and NextGen ERP applications; reached settlement in WMCE proceeding
• Affirmed 2025 Core EPS guidance of $5.94-$6.34
• Continued confidence in delivering 5-7% Core EPS growth from 2025 to 2028 ($6.74-$7.14)

Edison International (NYSE:EIX) today reported first-quarter net income of $1,436 million, or $3.73 per share, compared to a net loss of $11 million, or $0.03 per share, in the first quarter of last year. As adjusted, first-quarter core earnings were $528 million, or $1.37 per share, compared to core earnings of $438 million, or $1.13 per share, in the first quarter of last year.

Southern California Edison's first-quarter 2025 core earnings per share (EPS) increased year over year, primarily due to a benefit to interest expense related to cost recoveries authorized under the TKM Settlement Agreement.

Edison International Parent and Other's first-quarter 2025 core loss per share increased year over year, primarily due to higher interest expense.

"We have continued engaging with key stakeholders to find solutions to support the safety of the community and enhance California's industry-leading AB 1054 regulatory framework," said Pedro J. Pizarro, president and CEO of Edison International. "The conversations we've had make us confident that stakeholders understand the criticality of addressing the issue and the important role the investor-owned utilities play in supporting California's growth and economic development."

Pizarro added, "We are working closely with state and county leaders and the communities of Altadena and Malibu to rebuild wildfire-impacted areas stronger than ever. Once constructed, SCE's grid hardening in these areas will increase reliability and reduce the exposure of electrical distribution infrastructure to high wind and other extreme weather events, helping us better protect and serve our communities."

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.

2025 Earnings Guidance

The company affirmed 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.

First-Quarter 2025 Earnings Conference Call and Webcast Details

Edison International has posted its earnings conference call prepared remarks by the CEO and CFO, the teleconference presentation, and Form 10-Q to the company's investor relations website. These materials are available at www.edisoninvestor.com.

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, California, 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.

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;
• 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 and capital investment program, including those 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");
• risk that California Assembly Bill 1054 ("AB 1054") 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 cause, including the longevity of the Wildfire Insurance Fund and the California Public Utilities Commission ("CPUC") interpretation of and actions under AB 1054, 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 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, 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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