MEDIA CONTACT About Quanta Capabilities Safety People Projects Training Investor Relations Corporate Responsibility INVESTOR RELATIONS CONTACT THE BOARD OVERVIEW NEWS & EVENTS COMPANY INFO FINANCIAL INFO STOCK DATA SEC FILINGS GOVERNANCE SOCIAL MEDIA MEDIA GOVERNANCE Overview Board of Directors Board Committees Governance Documents Sustainability Contact the Board Disclaimers Shareholders and other interested parties may communicate with the Board through Quanta’s Corporate Secretary at the following address: Corporate Secretary Quanta Services, Inc. 2800 Post Oak Blvd, Suite 2600 Houston, Texas 77056 Anyone who has a concern about Quanta’s conduct, accounting, financial reporting, internal controls or auditing matters may communicate that concern through Quanta’s Ethics help line. Such communications may be confidential or anonymous, and may be emailed (may not be anonymous), submitted in writing or reported by phone as follows: By Phone: 1-866-7QUANTA (866-778-2682) By Mail: Corporate Compliance Officer Quanta Services, Inc. 2800 Post Oak Blvd, Suite 2600 Houston, Texas 77056 By E-mail: EthicsHelpLine@quantaservices.com 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 EMAIL ALERTS OVERVIEW NEWS & EVENTS COMPANY INFO FINANCIAL INFO STOCK DATA SEC FILINGS GOVERNANCE SOCIAL MEDIA MEDIA NEWS & EVENTS Overview Press Releases IR Calendar Investor Day Email Alerts Please fill out the form below to receive company press releases via email when they occur. First Name: Last Name: Company Name: Email: Contact Type: Individual Investor Choose Notifications COMPANY INFORMATION All Press Releases Events Presentations End of Day Stock Quote Weekly Summary Report SEC FILINGS All SEC Filings 10-K & 10-Q Reports Current Reports Insider Transactions Proxy Information End of Day SEC Filings SUBMIT We respect your privacy. We do not sell, rent, or loan any information to any third party. Any information you give us is held with the utmost care and security, and will be used only in ways to which you have consented. 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