EATON CONSTRUCTION COMPANY, INC.

Employer Contributions (Matching) - Participants of the Plan receive a Company matching contribution of 50 % of the first 6 % of their deferred compensation.

Company Contribution Eligibility and Vesting: All participants are 100 % vested in elective deferrals, employer contributions (matching) for prior years, rollover contributions made to the Plan, and actual earnings thereon.

Newly hired employees are automatically enrolled in the Plan at a rate of 6 % of eligible compensation.

Revenue credits are recorded in administrative expenses and allocated to participants who hold these investments.

contributions and will have attained age 50 before the close of the Plan year to make elective catch-up deferrals. The maximum catch-up deferral was $7,500 for the 2025 Plan year. Employer Matching Contributions Each Employer may elect to provide matching contributions on behalf of participants employed by such Employer, equal to a percentage of such participant’s pre-tax and Roth deferral contributions up to a specified percent of the participant’s annual eligible compensation as provided under the Plan or as adopted by the Employer and approved by the Committee. All matching contributions are made in cash to the participant’s matching contribution account and invested as directed by the participant. 4 Profit Sharing/Retirement Contributions The Employer, in its sole discretion and subjec

bution, if eligible. Vesting A participant’s interest in their pre-tax and Roth deferral accounts, matching contribution account, rollover account and ESOP account is at all times fully vested and nonforfeitable. A participant’s interest in a profit sharing/retirement contribution account is 100 % vested after completing three years of vesting service. A year of vesting service means a plan year in which the participant is credited with at least 1,000 hours of service. Participant accounts are valued on a daily basis. Distributions and Withdrawals The amount credited to participant accounts shall become payable to the participant or the participant’s beneficiary/beneficiaries, as applicable, upon death, retirement, disability or other termination of employment with the Employers. The distr

ntribution, which was $23,500 for the 2025 Plan year. The Plan provides an automatic 6 % deferral election feature and an automatic deferral escalation feature, which increases an automatically enrolled participant's deferral percentage by 1 % annually until the participant's deferral percentage reaches 15 %, unless the participant opts out or changes their deferral election. Additionally, the Plan allows a participant who is eligible to make deferral contributions and will have attained age 50 before the close of the Plan year to make elective catch-up deferrals. The maximum catch-up deferral was $7,500 for the 2025 Plan year. Employer Matching Contributions Each Employer may elect to provide matching contributions on behalf of participants employed by such Employer, equal to a percentage

ers 8,186,262 Participants 13,252,799 Participant rollovers 3,519,100 Total contributions 24,958,161 Total additions 57,012,131 Deductions: Distributions - participants 21,677,272 Administrative expenses 227,223 Total deductions 21,904,495 Net increase in net assets available for benefits prior to Plan transfers 35,107,636 Plan transfers 1,795 Net increase in net assets available for benefits after Plan transfers 35,109,431 Net assets available for benefits at beginning of period 194,545,051 Net assets available for benefits at end of period $ 229,654,482 The accompanying notes are an integral part of these financial statements. 3 Everus 401(k) Plan Notes to Financial Statements As of December 31, 2025 and 2024, and for the Year Ended December 31, 2025 Note 1 - Description of the Plan The