Exhibit 99.1 NEWS RELEASE August 20, 2025 DYCOM INDUSTRIES, INC. REPORTS FISCAL 2026 SECOND QUARTER RESULTS Second Quarter Highlights (All metrics compared to the second quarter of fiscal 2025) West Palm Beach, Florida, August 20, 2025 - Dycom Industries, Inc. (NYSE: DY) announced today its results for the second quarter ended July 26, 2025. "Dycom's first-half performance confirms the strength of our strategy, disciplined execution and ability to capitalize on a rapidly expanding market. This quarter, we d ...