Analyst Call to Review Fiscal 2025 Third Quarter Financial Results August 7, 2025 10:00 a.m. Eastern Fiscal Q3 2025 Review • 8.1% increase in fiscal 2025 indicated annual dividend to $3.48 per diluted share Q3 Fiscal 2025 Financial Performance Fiscal 2025 Highlights • Financial Performance • Executed Our Regulatory Strategy • Strong Balance Sheet 1. Includes $56.0 million that is implemented subject to refund and awaiting final order. As of August 6, 2025 Page 2 2. Includes $48.9 million that is implemented ...

Market Overview - Wall Street experienced a sharp retreat after the Federal Reserve decided to keep interest rates unchanged in the range of 4.25-4.50% [4][5] - Investor optimism faded following the announcement, leading to increased market volatility [1] - The uncertainty surrounding President Trump's impending tariff decisions is contributing to market fluctuations [1][7] Investment Recommendations - It is advisable to invest in safe-haven defensive stocks from the utility sector, including ONE Gas, Inc. (OGS), Fortis, Inc. (FTS), Northwest Natural Holding Company (NWN), and IDACORP, Inc. (IDA) [2] - These stocks are categorized as low-beta (beta greater than 0 but less than 1), making them suitable for investors seeking stability [3] Company Profiles ONE Gas, Inc. (OGS) - OGS is a regulated natural gas distribution utility serving over 2.3 million customers across Oklahoma, Kansas, and Texas [9] - Expected earnings growth rate for the current year is 9.7%, with a Zacks Consensus Estimate improvement of 0.2% over the last 60 days [11] - OGS has a beta of 0.80 and a current dividend yield of 3.68% [11] Fortis, Inc. (FTS) - Fortis operates in the electric and gas utility sector, primarily in Canada, the U.S., and the Caribbean [12] - The expected earnings growth rate for the current year is 4.2%, with a Zacks Consensus Estimate improvement of 0.8% over the last 60 days [12] - FTS has a beta of 0.48 and a current dividend yield of 3.63% [12] Northwest Natural Holding Company (NWN) - NWN builds and maintains natural gas distribution systems and invests in pipeline projects, serving customers in the U.S. and Canada [13] - The expected earnings growth rate for the current year is 23.6%, with a Zacks Consensus Estimate improvement of 1.4% over the last 60 days [14] - NWN has a beta of 0.53 and a current dividend yield of 4.83% [14] IDACORP, Inc. (IDA) - IDA is involved in the transmission, distribution, and sale of electricity services in southern Idaho and eastern Oregon [15] - The expected earnings growth rate for the current year is 6%, with a Zacks Consensus Estimate improvement of 0.3% over the last 60 days [15] - IDA has a beta of 0.56 and a current dividend yield of 2.81% [15]

Group 1 - ONE Gas, Inc. plans to make a public offering of 2,500,000 shares of its common stock [1][3] - The offering includes an option for the underwriter to purchase up to an additional 375,000 shares [1][3] - J.P. Morgan Securities LLC is acting as the sole underwriter for the offering [2] Group 2 - The forward sale agreement allows ONE Gas to sell shares at a price equal to the underwriter's purchase price [3] - Settlement of the forward sale agreement is expected to occur no later than December 31, 2026 [3] - ONE Gas may elect cash settlement or net share settlement for its obligations under the forward sale agreement [4] Group 3 - Proceeds from the offering will be used for general corporate purposes, including debt repayment and capital expenditures [4] - ONE Gas is a regulated natural gas utility serving over 2.3 million customers in Kansas, Oklahoma, and Texas [7][8] - The company operates divisions including Kansas Gas Service, Oklahoma Natural Gas, and Texas Gas Service [8]

Core Viewpoint - Sempra is taking strategic actions to simplify its portfolio and recycle capital to support growth in its Texas and California utilities, including the sale of certain energy infrastructure assets in Mexico and a minority stake in Sempra Infrastructure Partners [1][2]. Asset Sales - Sempra Infrastructure plans to sell Ecogas México, which operates three utility franchises and has over 5,000 kilometers of distribution pipelines serving more than 600,000 consumers in Mexico [3]. - The sale of Ecogas is part of a strategy to divest non-core assets and focus on the U.S. utilities [14]. Minority Stake Sale - The company is initiating a process to sell a minority interest in Sempra Infrastructure, which has a strong position in liquefied natural gas (LNG) assets [4]. - Previous sales of non-controlling interests in Sempra Infrastructure were valued at approximately $16.9 billion in 2021 and $17.9 billion in 2022 [4]. LNG Growth Opportunities - Sempra Infrastructure is expanding its LNG franchise, with projects like Energía Costa Azul LNG Phase 1 expected to commence operations in spring 2026, and Port Arthur LNG Phase 1 on track for 2027 and 2028 [5][6]. - The company is in discussions for Phase 2 of Port Arthur LNG, which has strong commercial interest and aims for a final investment decision in 2025 [6][7]. Value Creation Initiatives - The announced sales are part of five value creation initiatives for 2025, aimed at increasing long-term value for shareholders and stakeholders [8]. - These transactions are expected to be accretive to earnings-per-share forecasts and enhance the company's credit profile [9].