ALAMO CITY ENGINEERING SERVICES, INC.

put the Hourly Plan into a separate 401(k) retirement and savings plan. The Company provides a defined contribution 401(k) retirement and savings plan for eligible U.S. employees. Company matching contributions are based on a percentage of employee contributions. Company contributions to the plan during 2025, 2024 and 2023 were $ 4.2 million, $ 4.3 million, and $ 4.5 million, respectively. Three of the Company’s international subsidiaries also participate in a defined contribution and savings plan covering eligible employees. The Company’s international subsidiaries contribute between 0 % and 10 % of the participant’s salary up to a specific limit. Total contributions made to the above plans were $ 1.5 million, $ 1.2 million, and $ 1.1 million for the years ended December 31, 2025, 2024 an

by lower revenue and production inefficiencies in the Vegetation Management Division, partially offset by the healthy demand in Industrial Equipment Division. Selling, general and administrative expenses (“SG&A”) were $229.7 million (14.3% of net sales) in 2025 compared to $231.5 million (14.2% of net sales) in 2024, a decrease of $1.8 million attributable to labor cost savings actions taken in Vegetation Management, offsetting the additional costs related to the CEO succession, and acquisition and integration expenses. Amortization expense in 2025 was $16.5 million compared to $16.2 million in 2024, an increase of $0.3 million due to the acquisition of Ring-O-Matic. Interest expense for 2025 was $14.9 million compared to $20.5 million in 2024, a decrease of $5.6 million or 27.6% primarily

an investment option, all contributions are invested in an age-based default fund (based upon the participant's age), as defined in the Plan agreement. Vesting - Participants are immediately vested in all contributions, the employer match, and earnings thereon when they are made to the Plan. Fully Benefit-Responsive Investment Contracts - This investment is a general account product offered through a group annuity contract and the participant's principal and interest are fully guaranteed by the entire general account assets of the insurance company. Participant transfers may be restricted for up to 30 days in the event of excessive participant trading. If the Plan Sponsor chooses a book value payout for termination, participant transfer restrictions will apply until the money is paid to t

tions from participants 4,196,234 5,519,500 Net appreciation in fair value of investments 11,605,773 Total additions 18,011,021 Deductions: Benefits paid to participants 6,186,546 Administrative expenses 17,384 Total deductions 6,203,930 Net increase 11,807,091 Net assets available for benefits: Beginning of year 96,175,537 End of year $ 107,982,628 The accompanying notes are an integral part of these financial statements. 4 City Holding Company 401(k) Plan and Trust Notes to Financial Statements Note 1. Description of Plan The following description of the City Holding Company 401(k) Plan and Trust (the “Plan”) provides only general information. Participants should refer to the plan document for a complete description of the Plan's provisions. General - The Plan is a defined contribution s

le U.S. employees who are not provided retirement benefits through a collective bargaining agreement may make contributions through payroll deductions and to which we make certain matching contributions. Ethics and Compliance All of our employees are subject to Quanta’s Code of Conduct, which addresses compliance with applicable laws and Quanta’s policies concerning, among other things, general business ethics, competition, anti-corruption and bribery, environmental protection, conflicts of interest, harassment and discrimination, data security and privacy, and insider trading. Quanta’s Code of Conduct also informs employees and third parties (such as suppliers, subcontractors and members of the public) about the resources and confidential reporting mechanisms available to detect, prevent

law. Quanta may also make discretionary employer contributions to such plan. Matching contributions vest immediately, and discretionary employer contributions may be subject to a vesting schedule determined at the time of the contribution, provided that vesting accelerates upon a change in control or the participant’s death or retirement. All matching and discretionary employer contributions, whether vested or not, are forfeited upon a participant’s termination of employment for cause or upon the participant engaging in competition with Quanta or any of its affiliates. As of December 31, 2025 and 2024, the liability related to deferred cash compensation under these plans, including amounts contributed by Quanta, was $ 126.1 million and $ 110.2 million, the majority of which was included i

2 20.1 % Gross profit 4,275,081 15.0 3,510,761 14.8 764,320 21.8 % Equity in earnings of integral unconsolidated affiliates 55,635 0.2 50,484 0.2 5,151 10.2 % Selling, general and administrative expenses (2,189,209) (7.7) (1,824,754) (7.7) (364,455) 20.0 % Amortization of intangible assets (498,795) (1.7) (382,959) (1.6) (115,836) 30.2 % Increase in fair value of contingent consideration liabilities (31,203) (0.1) (7,064) — (24,139) 341.7 % Operating income 1,611,509 5.7 1,346,468 5.7 265,041 19.7 % Interest and other financing expenses (261,445) (1.0) (202,687) (0.9) (58,758) 29.0 % Interest income 15,702 0.1 32,404 0.1 (16,702) (51.5) % Other income, net 23,739 0.1 35,845 0.2 (12,106) (33.8) % Income before income taxes 1,389,505 4.9 1,212,030 5.1 177,475 14.6 % Provision for income taxe