ONE Gas, Inc. Announces Investor Meetings at AGA Mini-Forum Sept 15

What Happened
ONE Gas, Inc. (OGS) filed a Form 8‑K on September 8, 2026, disclosing that it will participate in the American Gas Association Mini‑Forum on September 15, 2026, in Boston. The company furnished a news release (Exhibit 99.1) and said Christopher P. Sighinolfi, Senior Vice President and Chief Financial Officer, and Mark Smith, Vice President and Treasurer, will conduct a series of meetings with members of the investment community. Presentation materials are available on ONE Gas’s investor site: www.onegas.com/investors/events-and-presentations.

Key Details

• Event: American Gas Association Mini‑Forum, September 15, 2026 — Boston.
• Management attending: Christopher P. Sighinolfi (SVP & CFO) and Mark Smith (VP & Treasurer) will hold investor meetings.
• Filing date: Form 8‑K filed September 8, 2026; news release furnished as Exhibit 99.1.
• Materials: Presentation and conference materials posted on ONE Gas’s investor website.

Why It Matters
This is a Regulation FD investor‑relations disclosure notifying the market of management’s participation in an industry investor forum and scheduled meetings. The 8‑K does not report earnings, revenue, or other financial results; instead it signals opportunities for investors and analysts to hear management commentary and view the posted presentation materials. Retail investors who follow ONE Gas for updates on operations, strategy, or capital allocation can review the materials online or look for follow‑up disclosures after the meetings.