Investor Presentaiton

Select Debt Balances - as of Q1 2023 Funded Debt Tranches As of March 31, 20231 ($millions) Issuer Series Secured Debt Vistra Operations Vistra Operations Vistra Operations Vistra Operations Vistra Operations Vistra Operations Senior Secured Term Loan B-3 due December 2025 4.875% Senior Secured Notes due May 2024 3.550% Senior Secured Notes due July 2024 5.125% Senior Secured Notes due May 2025 3.700% Senior Secured Notes due January 2027 4.300% Senior Secured Notes due July 2029 Unsecured Notes Vistra Operations Vistra Operations Vistra Operations Vistra Operations 5.500% Senior Unsecured Notes due September 2026 5.625% Senior Unsecured Notes due February 2027 5.000% Senior Unsecured Notes due July 2027 4.375% Senior Unsecured Notes due May 2029 1 Excludes Equipment Finance Agreements, Accounts Receivable Financings and funded commodity linked revolver and funded revolver. Vistra Investor Presentation/June 2023 Principal Outstanding $2,507 400 1,500 1,100 800 800 Total Secured $7,107 $1,000 1,300 1,300 1,250 Total Unsecured $4,850 VISTRA 34

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