CEG · 8-K · 20260806PR000097

Income Tax Rate Changes

Constellation Energy Corp · 2026-08-06 · Importance 36 · Surprise 14

The second-quarter effective tax rate increased to 44.2% from 34.6%, a 9.6-percentage-point increase. Income tax expense declined to $398 million from $440 million because pretax income fell to $900 million from $1,273 million, despite the higher effective rate. For the first six months, the effective tax rate decreased to 30.7% from 32.4%, while income tax expense increased to $928 million from $462 million because pretax income more than doubled to $3,025 million. The company reported a 25.5% marginal statutory federal and state income tax rate for both second quarters.

Key facts

• Effective tax rate for the three months ended June 30, 2026: 44.2%; for the three months ended June 30, 2025: 34.6%. source
• Effective tax rate for the six months ended June 30, 2026: 30.7%; for the six months ended June 30, 2025: 32.4%. source
• Marginal statutory income tax rate was 25.5% for the three months ended June 30, 2026 and 2025. source