DUK · 8-K · 20260804PR000037

Income Tax Rate Changes

Duke Energy CORP · 2026-08-04 · Importance 46 · Surprise 56

Second-quarter reported effective tax rate increased to 12.3% from 10.6%, while adjusted effective tax rate increased to 12.6% from 10.6%. The rate increases were primarily caused by lower amortization of excess deferred taxes. Second-quarter reported income-tax expense rose to $160 million from $119 million, and adjusted tax expense was $161 million on adjusted pretax income of $1,277 million.

Key facts

• Electric Utilities and Infrastructure income tax expense for Six Months Ended June 30, 2026: $356 million. source
• Consolidated reported effective tax rate for second quarter 2026: 12.3% source
• Consolidated adjusted effective tax rate for second quarter 2026: 12.6% source
• Increase in reported effective tax rate was primarily due to a decrease in the amortization of excess deferred taxes source