Trinity Industries shareholders elect directors and approve say-on-pay and auditor ratification

Proposal 1 – Election of Directors The stockholders elected eight directors for a one-year term, as follows: Nominee For Against Abstain Broker Non-Votes William P. Ainsworth 63,741,310 486,373 1,597,409 7,562,131 Robert C. Biesterfeld Jr. 63,960,722 267,636 1,596,734 7,562,131 John J. Diez 63,506,668 721,718 1,596,706 7,562,131 Leldon E. Echols 62,930,723 1,298,213 1,596,156 7,562,131 Veena M. Lakkundi 65,403,602 357,428 64,062 7,562,131 S. Todd Maclin 64,054,109 173,459 1,597,524 7,562,131 E. Jean Savage 65,303,403 423,942 97,747 7,562,131 Dunia A. Shive 64,389,016 1,362,863 73,213 7,562,131

Proposal 3 – Ratification of Appointment of Independent Registered Public Accounting Firm The stockholders ratified the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026, by the following vote: For Against Abstain 72,013,493 1,280,041 93,689

Proposal 2 – Advisory Vote to Approve Named Executive Officer Compensation The stockholders approved, on an advisory basis, the compensation of the Company’s named executive officers as disclosed in the proxy statement dated April 9, 2026, including the Compensation Discussion and Analysis, the compensation tables, and the narrative discussion related thereto, by the following vote: For Against Abstain Broker Non-Votes 63,091,993 1,030,171 1,702,928 7,562,131