MasTec(MTZ) - 2023 Q4 - Annual Results

Exhibit 99.1 Contact: 800 S. Douglas Road, 12th Floor J. Marc Lewis, Vice President-Investor Relations Coral Gables, Florida 33134 305-406-1815 Tel: 305-599-1800 marc.lewis@mastec.com www.mastec.com For Immediate Release MasTec Announces Fourth Quarter and Annual 2023 Financial Results and Provides Initial 2024 Guidance Coral Gables, FL (February 29, 2024) — MasTec, Inc. (NYSE: MTZ) today announced 2023 fourth quarter and full year financial results and issued its initial 2024 guidance expectation. For the ...