Exhibit 99.1 Sonida Senior Living Announces Second Quarter 2025 Results DALLAS, Texas – August 11, 2025 – Sonida Senior Living, Inc. (the "Company," "Sonida," "we," "our," or "us") (NYSE: SNDA), a leading owner, operator and investor of senior housing communities, today announced its results for the second quarter ended June 30, 2025. "Sonida delivered strong total portfolio community NOI in the second quarter propelled by healthy rent rate growth and effective integration of recently acquired communities," ...