Exhibit 99.1 Everus Reports First Quarter 2026 Results, Raises Guidance for 2026 BISMARCK, N.D. — May 5, 2026 — Everus Construction Group (NYSE: ECG) today reported financial results for the first quarter 2026. (all comparisons versus the prior-year period unless otherwise noted, and results denoted with * are quarterly records) See the Non-GAAP Measures sections for definitions and reconciliations of the non-GAAP financial measures used in this news release. Management Commentary "We are very pleased with ...