ROBINSON REAL ESTATE SERVICES, INC.

IT PLANS. We offer a defined contribution plan, which qualifies under section 401(k) of the Internal Revenue Code and covers all eligible U.S. employees. We can also elect to make matching contributions to the plan. Annual discretionary contributions may also be made to the plan. Defined contribution plan expense, including matching contributions, is as follows (in thousands): 2025 $ 45,787 2024 47,017 2023 45,854 We contributed a defined contribution match of six percent in 2025, 2024, and 2023. LEASE COMMITMENTS. We maintain operating leases for office space, warehouses, office equipment, trailers, and a small number of intermodal containers. See Note 10, Leases , for further information. 60 Table of Contents LITIGATION. We are not subject to any pending or threatened litigation other th

he Plan as of December 31, 2025. STOCK OPTIONS. We have awarded stock options to certain key employees that vested primarily based on their continued employment. These awards were fully vested in 2024 and there is no remaining unrecognized compensation expense related to stock options as of December 31, 2025. The outstanding options have expiration dates between 2026 and 2030. Although participants can exercise options via a stock swap exercise, we do not issue reloads (restoration options) on the grants. The following schedule summarizes stock option activity in the plans. Options Weighted Average Exercise Price Aggregate Intrinsic Value (in thousands) Average Remaining Life (years) Outstanding as of December 31, 2024 3,491,998 $ 79.83 $ 82,024 3.6 Exercised ( 1,803,369 ) 79.83 Forfeiture

.2) % Purchased products sourced for resale 1,268,190 1,240,007 2.3 % 1,105,811 12.1 % Personnel expenses 1,370,158 1,456,249 (5.9) % 1,465,735 (0.6) % Other selling, general, and administrative expenses 564,291 639,624 (11.8) % 624,266 2.5 % Total costs and expenses 15,437,802 17,055,815 (9.5) % 17,081,836 (0.2) % Income from operations 794,961 669,141 18.8 % 514,607 30.0 % Interest and other expense (72,504) (89,937) (19.4) % (105,421) (14.7) % Income before provision for income taxes 722,457 579,204 24.7 % 409,186 41.6 % Provision for income taxes 135,376 113,514 19.3 % 84,057 35.0 % Net income $ 587,081 $ 465,690 26.1 % $ 325,129 43.2 % Diluted net income per share $ 4.83 $ 3.86 25.1 % $ 2.72 41.9 % Average employee headcount 12,733 14,386 (11.5) % 16,041 (10.3) % Adjusted gross profit

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