Vistra(VST) - 2024 Q3 - Quarterly Results

Exhibit 99.1 Vistra – Press Release Nov. 7, 2024, Page 1 NEWS RELEASE Vistra Reports Third Quarter 2024 Results, Raises and Narrows 2024 Guidance, and Initiates 2025 Guidance Earnings Release Highlights • GAAP third quarter 2024 Net Income of $1,837 million and Cash Flow from Operations of$1,702 million. • Net Income from Ongoing Operations 1 of $1,855 million and Ongoing Operations Adjusted EBITDA1 of$1,444 million. • Raised and narrowed 2024 Ongoing Operations Adjusted EBITDA1 and Ongoing Operations Adj ...