Exhibit 99.1 News Release FOR IMMEDIATE RELEASE Arcosa, Inc. Announces First Quarter 2024 Results and Raises Full Year 2024 Guidance – First Quarter Revenues Up 9%, with Contribution From All Three Segments – Adjusted EBITDA Growth of 7%, Normalizing for the $22 Million Land Sale Gain in 2023 – Operating Cash Flow of $81 Million, Up 195% – Full Year 2024 Adjusted EBITDA Guidance Range Increased to $410 Million to $440 Million, Reflecting Recently Completed Ameron Acquisition and Solid First Quarter Results ...