ONCOR REPORTS SECOND QUARTER 2026 RESULTS

"Economic growth cannot occur without responsible infrastructure investment, and nowhere is that more evident than in Texas today," said Oncor CEO Allen Nye. "State leaders have recently asked whether all stakeholders' concerns and the reliability of the grid are being properly considered during this period of unprecedented growth. We share the concerns of ensuring a well-balanced process that meets the needs of both reliability and Texas stakeholders. We look forward to building the infrastructure the state needs to benefit all Texans. Also, as ERCOT set new peak demand records this summer, I want to thank our employees and contractors for all their work in the summer heat to maintain the reliability of the grid and serve our customers."

Oncor also reported net income of $640 million for the six months ended June 30, 2026, compared to net income of $440 million in the six months ended June 30, 2025. The increase in net income of $200 million was driven by overall higher revenues primarily attributable to an increase in other regulated revenues recognized related to the UTM and the SRP, revenues recognized in connection with the surcharge filed pursuant to our comprehensive base rate review, higher revenues due to new base rates that went into effect on June 1, 2026, updated interim rates to reflect increases in invested capital, and customer growth.

Operational Highlights

In the second quarter of 2026, Oncor built, rebuilt, or upgraded more than 900 circuit miles of transmission and distribution lines and increased its premise count by approximately 16,200, reflecting ongoing population and business growth in Texas. Active transmission point-of-interconnection ("POI") requests increased 15% year over year. As of August 1, 2026, Oncor held approximately $5.9 billion in customer collateral for active generation and Large Commercial and Industrial ("LC&I") transmission POI requests. This collateral is intended to reduce the risk of rate payers bearing costs for projects that are cancelled after Oncor has expended funds toward building the infrastructure.

As of June 30, 2026, Oncor had 552 active generation POI requests in queue, composed of approximately 46% storage, 39% solar, 8% wind, and 7% gas. In addition, Oncor's active transmission LC&I interconnection queue included 737 requests at the end of the second quarter of 2026. Those requests included approximately 282 gigawatts from data centers and over 16 gigawatts of load from various other industrial sectors, demonstrating broad-based industrial growth within Oncor's service territory.

During the second quarter of 2026, Oncor continued to execute on projects designed to meet increasing system reliability needs and sustained customer growth. Among other projects, in June, Oncor placed in service its portion of a new 165-mile double-circuit 345 kV transmission line known as the Delaware Basin Stage 2 Project, the first in a series of upgrades needed to resolve urgent electricity import constraints into far west Texas.

In June, the Electric Reliability Council of Texas, Inc. ("ERCOT") endorsed several new transmission projects serving the southern Dallas–Fort Worth area and the I-35 corridor. Together with a series of other high voltage upgrades in the southern Dallas-Fort Worth area endorsed by ERCOT in April, these projects are expected to improve customer-serving capacity across Central and North Texas while providing improved reliability benefits to all customers. All together, these projects are expected to require investment of over $7 billion with expected construction windows between 2026 and 2034. Oncor has responsibility to construct the vast majority of these projects, subject to regulatory approvals where needed.

To address accelerating demand, the ERCOT board of directors and the Public Utility Commission of Texas ("PUCT") approved a system-wide approach to sequence large-load interconnection requests, the first stage of which is known as the Batch Zero process. While the timeline for Batch Zero remains to be determined, approximately 44 gigawatts of large-load requests are expected to be eligible as base or studied load to be connected to Oncor's transmission system, consisting of approximately 27 gigawatts of base load and approximately 17 gigawatts of studied load. The approximately 44 gigawatts also include approximately 8 gigawatts of existing interconnected large load that is ramping up to its authorized capacity. The projects reflect significant customer commitment through financial security, site control, and other ERCOT qualification requirements, reinforcing the substantial demand for infrastructure investment across Oncor's service territory. Oncor holds approximately $2 billion of large load customer collateral related to the Batch Zero projects, which is part of the approximately $5.9 billion of customer collateral mentioned above.

Regulatory Update

On August 1, 2026, Oncor implemented a temporary surcharge in accordance with its recently completed comprehensive base rate review to recover the difference between Oncor's rates in effect from January 1, 2026 to June 1, 2026, and the new rates approved by the PUCT in the base rate review, which became effective on June 1, 2026. The surcharge reflects approximately $212 million of deferred revenues to be recovered in rates through the end of the year, $181 million of which were recognized during the second quarter of 2026 in accordance with generally accepted accounting principles. The surcharge will result in an average monthly increase of approximately $3.63 over current rates for a residential customer using 1,000 kWh of electricity per month.

Liquidity Update

As of August 5, 2026, Oncor's available liquidity totaled approximately $3.6 billion, consisting of cash on hand and available borrowing capacity under its credit facilities, commercial paper program, and accounts receivable facility. Oncor anticipates these resources, combined with projected cash flows from operations and future financing activities, will be sufficient to meet capital expenditures, maturities of long-term debt, and other operational needs for at least the next twelve months.

Sempra Internet Broadcast Today

Sempra (NYSE: SRE) will broadcast a live discussion of its earnings results over the Internet today at 12 p.m. ET, which will include discussion of second quarter 2026 results and other information relating to Oncor. Oncor executives will also participate in the broadcast. Access to the broadcast is available by logging onto the Investors section of Sempra's website, sempra.com/investors. Prior to the conference call, an accompanying slide presentation will be posted on sempra.com/investors. For those unable to participate during the live webcast, a replay will be available a few hours after its conclusion at sempra.com/investors.

Quarterly Report on Form 10-Q

Oncor's Quarterly Report on Form 10-Q for the period ended June 30, 2026 will be filed with the U.S. Securities and Exchange Commission after Sempra's conference call and once filed, will be available on Oncor's website, oncor.com.

About Oncor

Headquartered in Dallas, Oncor is a regulated electricity transmission and distribution business that uses superior asset management skills to provide reliable electricity delivery to consumers. Oncor (together with its subsidiaries) operates the largest transmission and distribution system in Texas, delivering electricity to more than 4.1 million homes and businesses and operating more than 145,000 circuit miles of transmission and distribution lines in Texas. While Oncor is owned by two investors (indirect majority owner, Sempra, and minority owner, Texas Transmission Investment LLC), Oncor is managed by its Board of Directors, which is comprised of a majority of disinterested directors.

Forward-Looking Statements

This news release contains forward-looking statements relating to Oncor within the meaning of the Private Securities Litigation Reform Act of 1995, which are subject to risks and uncertainties. All statements, other than statements of historical facts, that are included in this news release, as well as statements made in presentations, in response to questions or otherwise, that address activities, events or developments that Oncor expects or anticipates to occur in the future, including such matters as projections, capital allocation, future capital expenditures, business strategy, competitive strengths, goals, future acquisitions or dispositions, development or operation of facilities, market and industry developments and the growth of Oncor's business and operations (often, but not always, through the use of words or phrases such as "intends," "plans," "will likely result," "expects," "are expected to," "will continue," "is anticipated," "estimated," "forecast," "should," "projection," "target," "goal," "objective" and "outlook"), are forward-looking statements. Although Oncor believes that in making any such forward-looking statement its expectations are based on reasonable assumptions, any such forward-looking statement involves risks, uncertainties and assumptions. Factors that could cause Oncor's actual results to differ materially from those projected in such forward-looking statements include: legislation, governmental policies and orders, and regulatory actions; legal and administrative proceedings and settlements, including the exercise of equitable powers by courts; ERCOT protocols, rules, policies, regulations, guidelines, directives, processes, endorsements, approvals, restrictions, and orders applicable to Oncor's business, including relating to transmission or distribution projects and any changes to expected projects;  weather conditions and other natural phenomena, including severe weather events, natural disasters or wildfires; cyber-attacks on Oncor or Oncor's third-party vendors; changes in expected ERCOT and service territory growth; changes in, or cancellations of, anticipated projects, including customer requested interconnection projects; physical attacks on Oncor's system, acts of sabotage, wars, terrorist activities, wildfires, fires, explosions, natural disasters, hazards customary to the industry, or other emergency events; Oncor's ability to obtain adequate insurance on reasonable terms and the possibility that it may not have adequate insurance to cover all losses incurred by Oncor or third-party liabilities; adverse actions by credit rating agencies; health epidemics and pandemics, including their impact on Oncor's business and the economy in general; interrupted or degraded service on key technology platforms, facilities failures, or equipment interruptions; economic conditions, including the impact of a recessionary environment, inflation, foreign policy, industrial strain, and global trade restrictions; supply chain disruptions, including as a result of tariffs, war, volatile commodity prices, manufacturing and shipping shortages, global trade disruptions, competition for goods and services, and service provider availability; unanticipated changes in electricity demand in ERCOT or Oncor's service territory; ERCOT grid needs and ERCOT market conditions, including insufficient electricity generation within the ERCOT market or disruptions at power generation facilities that supply power within the ERCOT market; changes in business strategy, development plans or vendor relationships; changes in interest rates, foreign currency exchange rates, or rates of inflation; significant changes in operating expenses, liquidity needs and/or capital expenditures; inability of various counterparties to meet their financial and other obligations to Oncor, including failure of counterparties to timely perform under agreements; general industry and ERCOT trends; significant decreases in demand or consumption of electricity delivered by Oncor, including as a result of increased consumer use of third-party distributed energy resources or other technologies; changes in technology used by and services offered by Oncor; changes in employee and contractor labor availability and cost; significant changes in Oncor's relationship with its employees, and the potential adverse effects if labor disputes or grievances were to occur; changes in assumptions used to estimate costs of providing employee benefits, including pension and other postretirement employee benefits, and future funding requirements related thereto; significant changes in accounting policies or critical accounting estimates material to Oncor; commercial bank and financial market conditions, macroeconomic conditions, access to capital, the cost of such capital, and the results of financing and refinancing efforts, including availability of funds and the potential impact of any disruptions in U.S. or foreign capital and credit markets; financial market volatility and the impact of volatile financial markets on investments, including investments held by Oncor's pension and other postretirement employee benefit plans; circumstances which may contribute to future impairment of goodwill, intangible or other long-lived assets; Oncor's adoption and deployment of artificial intelligence; financial and other restrictions under Oncor's debt agreements; Oncor's ability to generate sufficient cash flow to make interest payments on its debt instruments; and Oncor's ability to effectively execute its operational and financing strategy.

Further discussion of risks and uncertainties that could cause actual results to differ materially from management's current projections, forecasts, estimates and expectations is contained in filings made by Oncor with the U.S. Securities and Exchange Commission. Specifically, Oncor makes reference to the section entitled "Risk Factors" in its annual and quarterly reports. Any forward-looking statement speaks only as of the date on which it is made, and, except as may be required by law, Oncor undertakes no obligation to update any forward-looking statement to reflect events or circumstances after the date on which it is made or to reflect the occurrence of unanticipated events. New factors emerge from time to time, and it is not possible for Oncor to predict all of them; nor can it assess the impact of each such factor or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statement. As such, you should not unduly rely on such forward-looking statements.

The information contained on, or that can be accessed through, any website referenced in this news release, is not, and shall not be deemed to be, part of this document.

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SOURCE Oncor Electric Delivery Company LLC