ONCOR TO RELEASE 2024 RESULTS FEBRUARY 25

Core Insights - Oncor Electric Delivery Company LLC plans to release its fourth quarter and year-end 2024 results on February 25, 2025, prior to Sempra's results conference call [1] - Sempra executives will host a conference call at 12 p.m. ET on February 25 to discuss Oncor's operational and financial results [2] - Oncor's Annual Report on Form 10-K for the year ended December 31, 2024, will be filed with the U.S. Securities and Exchange Commission after Sempra's conference call [3] Company Overview - Oncor Electric Delivery Company LLC is a regulated electricity transmission and distribution business headquartered in Dallas, Texas [4] - The company operates the largest transmission and distribution system in Texas, delivering electricity to over 4 million homes and businesses [4] - Oncor manages more than 143,000 circuit miles of transmission and distribution lines in Texas and is owned by Sempra (indirect majority owner) and Texas Transmission Investment LLC (minority owner) [4]