Vistra Corp.

Filing receipts

“Sources and Uses of Cash Three Months Ended March 31, 2026 2025 Change (in millions) Net cash provided by operating activities $ 1,199 $ 599 $ 600 Net cash used in investing activities $ (638) $ (1,061) $ 423 Net cash used in financing activities $ (706) $ (164) $ (542) Operating Cash Flows The change in net cash provided by operating activities was primarily driven by (i) increased realized revenue net of fuel driven primarily by higher realized capacity prices and energy margins, (ii) increase in realized revenue net of expenses from the addition of plants acquired in the Lotus Acquisition and (iii) a $284 million increase in net margin deposits as $67 million in net margin deposits suppo...”

“Three Months Ended March 31, 2026 2025 (in millions) Interest expense and related charges $ (263) $ (319) Interest expense and related charges decreased primarily due to a $64 million increase in unrealized mark-to-market gains on interest rate swaps.”

“Retail Three Months Ended March 31, 2026 2025 (in millions) Net income (loss) $ (724) $ 1,132 Adjusted EBITDA $ 68 $ 184 Retail electricity sales volumes (GWh): Sales volumes in ERCOT 15,904 17,965 Sales volumes in Northeast/Midwest 14,205 15,358 Total retail electricity sales volumes 30,109 33,323 Retail net income decreased due to a $1.762 billion increase in unrealized mark-to-market losses on commodity derivative positions and a decrease in retail margins primarily due to an increase in excess volumes sold at lower wholesale prices and a decrease in customer consumption due to weather.”