PWR: Financial results · Company disclosure

Item 2.02 Results of Operations and Financial Condition. On October 29, 2026, Quanta Services, Inc. (the “Company” or “Quanta”) issued a press release announcing its results for the fiscal quarter ended September 30, 2026. A copy of the press release is furnished herewith as Exhibit 99.1. The information furnished in Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such a filing. Item 7.01 Regulation FD Disclosure. Quanta’s Third Quarter 2026 Operational and Financial Commentary, dated October 29, 2026, prepared by the Company and relating to its results for the fiscal quarter ended September 30, 2026, as noted in the press release described in Item 2.02 above, will be posted to the Company’s website at www.quantaservices.com under the “Financial Info” area of the Investor Relations section. Investors should note that Quanta announces financial information in its documents filed with the Securities and Exchange Commission, its press releases, its public conference calls, as well as on its website. Quanta may use the Investor Relations and other sections of its website to communicate with investors and it is possible that the financial and other information posted there could be deemed to be material information. The information furnished in Item 7.01 of this Current Report on Form 8-K, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of