Summit Midstream Corporation will report third quarter 2025 results on November 10, 2025, after the close of trading on the New York Stock Exchange. The third quarter 2025 earnings call is scheduled for November 11, 2025, at 10:00 a.m. Eastern and can be accessed via teleconference at Q3 2025 Summit Midstream Corporation Earnings Conference Call. The conference call, live webcast, and archive will be available through the Investors section of SMC's website at https://www.summitmidstream.com. Members of SMC's senior management team will attend the 2025 Bank of America Leverage Finance Conference on December 2-3, 2025, and the 2025 Wells Fargo Energy & Power Symposium on December 9-10, 2025. Presentation materials for these conferences will be accessible through the Investors section of SMC's website prior to the events.