M.K. GRAHAM LANDSCAPE CONSTRUCTION, INC.

lyde’s who are designated as hourly employees and Kaplan, Inc. who are designated as part-time employees and certain collectively bargained union employees are eligible to receive Company Matching Contributions (generally 1 % of base salary) if they are not eligible to participate in The Retirement Plan for Graham Holdings Company; • Add Roth and Roth catch-up employee contributions as an option to the Plan, and allow rollover contributions to the Plan in the form of Roth contributions; • Allow participants to elect an In-Plan Roth conversion with respect to all or a portion of the vested amounts in the participant’s accounts other than a Roth Contribution Account or a Roth Rollover Account; • Permit participants to take out one active loan from the Plan at a time; • Additionally, the Plan

received, there may be additional participant loans transferred to the Plan and administered in accordance with their terms. Vesting Upon enrollment in the Plan, participants are fully vested at all times in all amounts held in their accounts. Transfers (to) from other GHC plans From time to time, participant accounts are reviewed and transferred into the Company plan that the participant is currently participating in. Additionally, transfers may also occur between the Plan and other GHC plans that relate to new organizational positions, rehired employees by one of the employers with an existing balance in another GHC plan, or transferred employees to one of the employers with an existing balance in another GHC plan. Plan Expenses Certain costs of administering the Plan are generally paid

250,187 Total contributions 4,175,777 Interest income - notes receivable 73,130 Total additions 16,740,535 Deductions from net assets: Benefits paid to participants ( 7,110,123 ) Administrative expenses ( 128,294 ) Total deductions ( 7,238,417 ) Net increase 9,502,118 Transfers (to) from affiliated plans Transfers from Kaplan Tax Deferred Savings Plan 1,813,308 Transfers to Kaplan Tax Deferred Savings Plan ( 1,187,240 ) Transfers to Savings Plan for Graham Holdings Company ( 19,279 ) Net transfers from other affiliated plans 606,789 Net assets available for benefits Beginning of year 76,612,299 End of year $ 86,721,206 See the accompanying notes to the financial statements. 3 THE 401(k) SAVINGS PLAN FOR GHC AFFILIATES NOTES TO FINANCIAL STATEMENTS NOTE 1 – DESCRIPTION OF PLAN The followin

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