ONE Gas, Inc. 8-K

What Happened
ONE Gas, Inc. (OGS) filed an 8-K on May 12, 2026 disclosing it will participate in the American Gas Association (AGA) Financial Forum scheduled for May 17–19, 2026 in Scottsdale, Arizona. CEO Robert S. McAnnally, President & COO Curtis Dinan, and SVP & CFO Christopher Sighinolfi will conduct a series of meetings with members of the investment community. A news release announcing the participation was attached as Exhibit 99.1, and presentation materials will be posted to ONE Gas’s investor events page.

Key Details

• Filing date: May 12, 2026 (Form 8-K, Item 7.01 Regulation FD Disclosure).
• Event dates: AGA Financial Forum, May 17–19, 2026, Scottsdale, AZ.
• Management attending: Robert S. McAnnally (CEO); Curtis Dinan (President & COO); Christopher Sighinolfi (SVP & CFO).
• Presentation materials will be available at: www.onegas.com/investors/events-and-presentations. News release attached as Exhibit 99.1.

Why It Matters
This is a disclosure of upcoming investor engagement and does not report financial results. For investors, management’s presence and scheduled meetings can provide opportunities for updates on strategy, operations, and outlook. Materials posted on ONE Gas’s investor site will be the public source for any slides or remarks made at the forum.