Quanta Services(PWR) - 2025 Q3 - Quarterly Results

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE 25-15 Contacts: Jayshree Desai, CFO Kip Rupp, CFA, IRC - Investors Quanta Services, Inc. (713) 629-7600 Media – Noa Schwartz FGS Global (310) 405-4312 QUANTA SERVICES REPORTS THIRD QUARTER 2025 RESULTS Certain items that impacted Quanta's results for the three months ended September 30, 2025 and 2024 are reflected as adjustments in the calculation of Quanta's adjusted net income attributable to common stock, adjusted diluted earnings per share attributable to ...