Exhibit 99.1 NEWS RELEASE May 22, 2024 DYCOM INDUSTRIES, INC. ANNOUNCES FISCAL 2025 FIRST QUARTER RESULTS First Quarter Highlights Palm Beach Gardens, Florida, May 22, 2024 - Dycom Industries, Inc. (NYSE: DY) announced today its results for the first quarter ended April 27, 2024. Contract revenues increased 9.3% to $1.142 billion for the quarter ended April 27, 2024, compared to $1.045 billion in the year ago quarter. Contract revenues increased 2.5% on an organic basis after excluding $71.2 million of cont ...