Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Renee Campbell Email: renee.campbell@valmont.com Date: May 1, 2024 Valmont Reports First Quarter 2024 Results and Raises Full-Year 2024 Guidance OMAHA, Neb.-- Valmont® Industries, Inc. (NYSE: VMI), a global leader that provides vital infrastructure and advances agricultural productivity while driving innovation through technology, today reported financial results for the first quarter ended March 30, 2024. President and Chief Executive Officer Avner M. Applbaum co ...