Vistra(VST) - 2025 Q3 - Quarterly Results

Exhibit 99.1 Vistra Reports Third Quarter 2025 Results, Narrows 2025 Guidance, and Initiates 2026 Guidance Earnings Release Highlights "The Vistra team continues to execute on our core competency of operating a diverse generation fleet and providing power for our customers. We are committed to reliably powering homes and businesses across the United States, and we look forward to finishing the year strong," Burke concluded. • Third quarter 2025 GAAP Net Income of $652 million and third quarter Ongoing Opera ...