Exhibit 99.1 NEWS RELEASE August 26, 2026 DYCOM INDUSTRIES, INC. REPORTS RECORD FISCAL 2027 SECOND QUARTER RESULTS Delivers Record Second Quarter Results Across Key Financial Metrics Raises Full Year Fiscal 2027 Outlook Completes Strategic Acquisition of National Technology Integrators Second Quarter Highlights (All metrics compared to the second quarter of fiscal 2026) Amount represents quarterly record or second quarter record result (*) West Palm Beach, Florida, August 26, 2026 - Dycom Industries, Inc. ( ...