Exhibit 99.1 https://files.reportify.cc/media/production/KNX464e7efb39d94414d6982101eaff0166 January 21, 2026 Phoenix, Arizona Knight-Swift Transportation Holdings Inc. Reports Fourth Quarter 2025 Revenue and Earnings Knight-Swift Transportation Holdings Inc. (NYSE: KNX) ("Knight-Swift" or the "Company"), one of the largest and most diversified freight transportation companies, operating the largest full truckload fleet in North America, today reported fourth quarter 2025 net loss attributable to Knight-Swi ...