Exhibit 99.1 MYR Group Inc. Announces First-Quarter 2024 Results Thornton, Colo., May 1, 2024 – MYR Group Inc. (“MYR”) (NASDAQ: MYRG), a holding company of leading specialty contractors serving the electric utility infrastructure, commercial and industrial construction markets in the United States and Canada, announced today its first-quarter 2024 financial results. Highlights for First Quarter 2024 • Quarterly revenues of $815.6 million • Quarterly net income of$18.9 million, or $1.12 per diluted share • ...