Everus Construction Group, Inc.

Note 10 –Income Taxes

The Company’s quarterly income tax provision is measured using an estimate of its consolidated annual effective tax rate, adjusted in the current period for discrete income tax items, within the periods presented.

For the three months ended March 31, 2025, income tax expense was $13.6 million, resulting in an effective tax rate of 27.0%. The effective tax rate for the three months ended March 31, 2025 differed from the 2025 statutory tax rate of 21% primarily due to state income taxes, net of federal income taxes, and certain unfavorable permanent book-tax differences due to meals and entertainment expenses and non-deductible employee compensation.

For the three months ended March 31, 2024, income tax expense was $10.0 million, resulting in an effective tax rate of 26.1%. The effective tax rate for the three months ended March 31, 2024 differed from the 2024 statutory tax rate of 21% primarily due to state income taxes, net of federal income taxes, and certain unfavorable permanent book-tax differences due to market performance as well as meals and entertainment expenses.

The effective tax rate for the three months ended March 31, 2025 differed from the effective tax rate for the three months ended March 31, 2024 due to changes in the Company’s permanent book-tax differences between those periods, specifically increased permanent add-back for meals and entertainment expenses and non-deductible employee compensation.