and in Exhibit 99.1 shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Other Events. On August 17, 2026, Southern California Gas Company (the “Company”), an indirect subsidiary of Sempra, entered into an underwriting agreement (the “Underwriting Agreement”) with Barclays Capital Inc., Credit Agricole Securities (USA) Inc., MUFG Securities Americas Inc. and TD Securities (USA) LLC, as the representatives of the several underwriters named on Schedule I thereto (the “Underwriters”), pursuant to which the Company agreed to issue and sell to the Underwriters, several…

and in Exhibit 99.1 shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Chief Financial Officer — Justin C. Bird: Justin C. Bird was promoted to Executive Vice President and Chief Financial Officer.

shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra, whether made before or after the date hereof, regardless of any general incorporation language in such filing. Forward-Looking Statements This report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based on assumptions about the future…

Other Events. On June 9, 2026, Sempra (the “Company”) closed its public offering and sale of $1,000,000,000 aggregate principal amount of its Floating Rate Notes due 2028 (the “notes”). Proceeds to the Company (after deducting the underwriting discount but before deducting offering expenses payable by the Company estimated at approximately $1.7 million) from the sale of the notes were approximately $998.5 million. The offer and sale of the notes was registered under a prospectus supplement an…

Other Events. On May 11, 2026, Southern California Gas Company (the “Company”), an indirect subsidiary of Sempra, entered into an underwriting agreement (the “Underwriting Agreement”) with BNP Paribas Securities Corp., CIBC World Markets Corp., Mizuho Securities USA LLC and Wells Fargo Securities, LLC, as the representatives of the several underwriters named on Schedule I thereto (the “Underwriters”), pursuant to which the Company agreed to issue and sell to the Underwriters, severally and no…

and in Exhibit 99.1 shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra, whether made before or after the date hereof, regardless of any general incorporation language in such filing. Forward-Looking Statements This report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based on assumptions about the future…

shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra or SDG&E, whether made before or after the date hereof, regardless of any general incorporation language in such filing. Forward-Looking Statements This report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based on assumptions about t…

Other Events. On March 16, 2026, San Diego Gas & Electric Company (the “Company”), an indirect subsidiary of Sempra, entered into an underwriting agreement (the “Underwriting Agreement”) with BofA Securities, Inc., Goldman Sachs & Co. LLC, RBC Capital Markets, LLC and Truist Securities, Inc., as the representatives of the several underwriters named on Schedule I thereto (the “Underwriters”), pursuant to which the Company agreed to issue and sell to the Underwriters, severally and not jointly,…

Other Events. On March 13, 2026, Sempra (the “Company”) closed its public offering and sale of $800,000,000 aggregate principal amount of its 5.250% Notes due 2036 (the “notes”). Proceeds to the Company (after deducting the underwriting discount but before deducting offering expenses payable by the Company estimated at approximately $2.0 million) from the sale of the notes were approximately $793.4 million. The offer and sale of the notes was registered under a prospectus supplement and relat…

Results of Operations and Financial Condition. On February 26, 2026, Sempra issued a press release announcing its financial results for the three months and year ended December 31, 2025. A copy of Sempra’s press release is attached hereto as Exhibit 99.1. Sempra’s Statements of Operations Data by Segment for the three months and years ended December 31, 2025 and 2024 is attached hereto as Exhibit 99.2. The information furnished in this

Regulation FD Disclosure. Introductory Note In June 2025, Oncor Electric Delivery Company LLC (“Oncor”), in which Sempra owns an 80.25% interest, filed a request for a comprehensive base rate review with the Public Utility Commission of Texas (“PUCT”) and the 210 cities in its service territory that have retained original jurisdiction over rates. The PUCT docket number is 58306. Comprehensive Base Rate Review Settlement On January 29, 2026, Oncor filed a stipulation in the comprehensive base…

Other Events. The California Public Utilities Commission (“CPUC”) issues proposed decisions (“PD”) from time to time on regulatory matters in advance of voting on a final decision. Such PDs are subject to public comment and must be voted on by the CPUC before a decision becomes final. The CPUC may adopt, modify, or reject PDs. On November 14, 2025, the CPUC issued a PD in San Diego Gas & Electric Company’s (“SDG&E”) Track 2 request in its 2024 General Rate Case (“GRC”) and a PD in the Cost of…

Results of Operations and Financial Condition. On November 5, 2025, Sempra issued a press release announcing its financial results for the three months and nine months ended September 30, 2025. A copy of Sempra’s press release is attached hereto as Exhibit 99.1. Sempra’s Statements of Operations Data by Segment for the three months and nine months ended September 30, 2025 and 2024 is attached hereto as Exhibit 99.2. The information furnished in this

Other Events. On August 29, 2025, Sempra (the “Company”) closed its public offering and sale of $800,000,000 aggregate principal amount of its 6.375% Fixed-to-Fixed Reset Rate Junior Subordinated Notes due 2056 (the “notes”). Proceeds to the Company (after deducting underwriting discounts but before deducting offering expenses payable by the Company estimated at approximately $1.4 million) from the sale of the notes were approximately $792.0 million. The Company intends to use the net proceed…

Results of Operations and Financial Condition. On August 7, 2025, Sempra issued a press release announcing its financial results for the three months and six months ended June 30, 2025. A copy of Sempra’s press release is attached hereto as Exhibit 99.1. Sempra’s Statements of Operations Data by Segment for the three months and six months ended June 30, 2025 and 2024 is attached hereto as Exhibit 99.2. The information furnished in this

CFO — Dyan Z. Wold: The filing primarily discloses the internal promotion of Dyan Z. Wold to Sempra's CFO and the promotion of Caroline A. Winn to EVP, which are standard succession moves rather than a loss of a senior executive.

shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, nor shall it be deemed to be incorporated by reference in any filing of Sempra, whether made before or after the date hereof, regardless of any general incorporation language in such filing. Forward-Looking Statements This report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based on assumptions about the future…

Other Events. On May 12, 2025, Southern California Gas Company (the “Company”), an indirect subsidiary of Sempra, entered into an underwriting agreement (the “Underwriting Agreement”) with BNP Paribas Securities Corp., Mizuho Securities USA LLC, RBC Capital Markets, LLC, Scotia Capital (USA) Inc. and SMBC Nikko Securities America, Inc., as the representatives of the several underwriters named on Schedule I thereto (the “Underwriters”), pursuant to which the Company agreed to issue and sell to…

Results of Operations and Financial Condition. On May 8, 2025, Sempra issued a press release announcing its financial results for the three months ended March 31, 2025. A copy of Sempra’s press release is attached hereto as Exhibit 99.1. Sempra’s Statements of Operations Data by Segment for the three months ended March 31, 2025 and 2024 is attached hereto as Exhibit 99.2. The information furnished in this

Other Events. On March 28, 2025, the Board of Directors of Sempra determined to move forward with a process to sell (i) Ecogas México, S. de R.L. de C.V. (“Ecogas”), a natural gas regulated distribution utility in Mexico owned by Sempra Infrastructure Partners (“SI”), and (ii) a portion of Sempra’s 70% interest in SI equal to between 15% and 30% of SI’s total outstanding interests (the “Minority Interest Sale”). SI and its operating subsidiaries generally make up one of Sempra’s reportable se…

Other Events. On March 24, 2025, San Diego Gas & Electric Company (the “Company”), an indirect subsidiary of Sempra, entered into an underwriting agreement (the “Underwriting Agreement”) with CIBC World Markets Corp., Morgan Stanley & Co. LLC, TD Securities (USA) LLC and U.S. Bancorp Investments, Inc., as the representatives of the several underwriters named on Schedule I thereto (the “Underwriters”), pursuant to which the Company agreed to issue and sell to the Underwriters, severally and no…

Results of Operations and Financial Condition. On February 25, 2025, Sempra issued a press release announcing its financial results for the three months and year ended December 31, 2024. A copy of Sempra’s press release is attached hereto as Exhibit 99.1. Sempra’s Statements of Operations Data by Segment for the three months and years ended December 31, 2024 and 2023 is attached hereto as Exhibit 99.2. The information furnished in this