MEDIA CONTACT About Quanta Capabilities Safety People Projects Training Investor Relations Corporate Responsibility INVESTOR RELATIONS SEC FILINGS OVERVIEW NEWS & EVENTS COMPANY INFO FINANCIAL INFO STOCK DATA SEC FILINGS GOVERNANCE SOCIAL MEDIA MEDIA Latest Quarterly or Annual Filing November 4, 2021 10-Q Quarterly report pursuant to Section 13 or 15(d) VIEW PDF VIEW HTML Related Documents Latest Current Report November 4, 2021 8-K Current report filing VIEW PDF VIEW HTML Latest Proxy Statement April 16, 2021 DEF 14A Definitive proxy statements VIEW PDF VIEW HTML SEC Filings View and filter SEC Filings by group or type ANNUAL REPORTS QUARTERLY REPORTS VIEW ALL Email Alerts Tear Sheet Contacts RSS News Feed HEADQUARTERS 2800 Post Oak Blvd., Suite 2600 Houston, Texas 77056 P: 713.629.7600 CONTACT US ABOUT QUANTA LEADERSHIP HISTORY MAKING A DIFFERENCE QUANTA COMPANIES CAPABILITIES ELECTRIC POWER PIPELINE AND INDUSTRIAL COMMUNICATIONS SPECIALTY PEOPLE OUR VALUES WHO WE ARE WORK WITH US INVESTOR RELATIONS PRESS RELEASES FINANCIAL INFO $110.51 -3.27 Currency in USD. Quote data delayed by at least 15 minutes. COPYRIGHT © 2021 QUANTA SERVICES PRIVACY POLICY BACK TO TOP

MEDIA CONTACT About Quanta Capabilities Safety People Projects Training Investor Relations Corporate Responsibility INVESTOR RELATIONS CONTACTS OVERVIEW NEWS & EVENTS COMPANY INFO FINANCIAL INFO STOCK DATA SEC FILINGS GOVERNANCE SOCIAL MEDIA MEDIA COMPANY INFO Overview Presentations Management Team Contacts FAQ Investor Relations Kip Rupp, CFA Vice President Investor Relations T: 713-341-7260 investors@quantaservices.com Sard Verbinnen & Co Liz James T: 281-881-5170 media@quantaservices.com Transfer Agent American Stock Transfer & Trust Company, LLC 6201 15th Avenue Brooklyn, NY 11219 T: 718-921-8200 Email Alerts Tear Sheet Contacts RSS News Feed HEADQUARTERS 2800 Post Oak Blvd., Suite 2600 Houston, Texas 77056 P: 713.629.7600 CONTACT US ABOUT QUANTA LEADERSHIP HISTORY MAKING A DIFFERENCE QUANTA COMPANIES CAPABILITIES ELECTRIC POWER PIPELINE AND INDUSTRIAL COMMUNICATIONS SPECIALTY PEOPLE OUR VALUES WHO WE ARE WORK WITH US INVESTOR RELATIONS PRESS RELEASES FINANCIAL INFO $110.51 -3.27 Currency in USD. Quote data delayed by at least 15 minutes. COPYRIGHT © 2021 QUANTA SERVICES PRIVACY POLICY BACK TO TOP