QUANTA SERVICES, INC. — fact timeline

QUANTA SERVICES, INC. shareholders approved Ratification of Appointment of Independent Registered Public Accounting Firm at the 2026-05-21 meeting.

“Ratification of Appointment of Independent Registered Public Accounting Firm (Item 3) The appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for fiscal year 2026 was ratified with the vote totals, rounded to the nearest whole share, as set forth in the table below: Number of Votes Cast For Number of Votes Cast Against Withhold /Abstentions Broker Non-Votes 125,199,372 8,114,219 67,276 —”

QUANTA SERVICES, INC. shareholders approved Advisory Vote on Executive Compensation at the 2026-05-21 meeting.

“Advisory Vote on Executive Compensation (Item 2) The advisory resolution approving the Company’s executive compensation as set forth in the 2026 Proxy Statement was approved with the vote totals, rounded to the nearest whole share, as set forth in the table below: Number of Votes Cast For Number of Votes Cast Against Withhold / Abstentions Broker Non-Votes 114,220,186 7,122,529 231,119 11,807,033”

QUANTA SERVICES, INC. shareholders approved Election of Directors at the 2026-05-21 meeting.

“Election of Directors (Item 1) The following ten director nominees were elected as directors of the Company to serve one-year terms expiring at the 2027 Annual Meeting of Stockholders. The vote totals for each director, rounded to the nearest whole share, are set forth in the table below: Nominee: Number of Votes Cast For Number of Votes Cast Against Withhold / Abstentions Broker Non-Votes Earl C. Austin, Jr. 121,035,028 481,029 57,777 11,807,033 Warner L. Baxter 119,732,272 1,600,979 240,583 11,807,033 Doyle N. Beneby 118,416,075 3,093,186 64,573 11,807,033 Bernard Fried 116,964,232 4,237,535 372,067 11,807,033 Worthing F. Jackman 106,953,127 14,239,457 381,249 11,807,033 Joseph Kim 121,230,587 279,793 63,454 11,807,033 Holli C. Ladhani 121,354,250 153,836 65,748 11,807,033 Jo-ann M. dePass Oslovsky 121,206,221 305,528 62,085 11,807,033 R. Scott Rowe 118,160,620 3,172,592 240,622 11,807,033 Martha B. Wyrsch 118,718,836 2,790,359 64,639 11,807,033”

QUANTA SERVICES, INC. reported the fiscal quarter ended March 31, 2026 results: revenue $7.87 billion, net income $220.6 million, EPS $1.45 per diluted share.

“CFA, IRC - Investors FGS Global Quanta Services, Inc. (832) 640-7570 (713) 629-7600 QUANTA SERVICES REPORTS FIRST QUARTER 2026 RESULTS First Quarter Consolidated Revenues of $7.9 Billion* First Quarter GAAP Diluted EPS of $1.45* and Adjusted Diluted EPS of $2.68* Net Income Attributable to Common Stock of $220.6 Million* Adjusted EBITDA of $686.4 Million* Cash”

QUANTA SERVICES, INC. incurred senior notes of $500,000,000 aggregate principal amount with BofA Securities, Inc., Wells Fargo Securities, LLC, J.P. Morgan Securities LLC, PNC Capital Markets LLC and Truist Securities, Inc. at 5.100% maturing August 9, 2035.

“13(a) of the Exchange Act. ☐ Item 1.01 Entry into a Material Definitive Agreement. On August 7, 2025 (the “Closing Date”), Quanta Services, Inc. (the “Company”) issued (i) $500,000,000 aggregate principal amount of its 4.300% Senior Notes due 2028 (the “2028 Notes”), (ii) $500,000,000 aggregate principal amount of its 4.500% Senior Notes due 2031 (the “2031”

QUANTA SERVICES, INC. incurred senior notes of $500,000,000 aggregate principal amount with BofA Securities, Inc., Wells Fargo Securities, LLC, J.P. Morgan Securities LLC, PNC Capital Markets LLC and Truist Securities, Inc. at 4.500% maturing January 15, 2031.

“(ii) $500,000,000 aggregate principal amount of its 4.500% Senior Notes due 2031 (the "2031 Notes")”

QUANTA SERVICES, INC. incurred senior notes of $500,000,000 aggregate principal amount with BofA Securities, Inc., Wells Fargo Securities, LLC, J.P. Morgan Securities LLC, PNC Capital Markets LLC and Truist Securities, Inc. at 4.300% maturing August 9, 2028.

“On August 7, 2025 (the "Closing Date"), Quanta Services, Inc. (the "Company") issued (i) $500,000,000 aggregate principal amount of its 4.300% Senior Notes due 2028 (the "2028 Notes")”

Derrick Jensen resigned as Executive Vice President – Business Administration at QUANTA SERVICES, INC..

“Additionally, Derrick Jensen has resigned from his role as Executive Vice President – Business Administration of Quanta, effective as of June 1, 2025.”

Earl C. (Duke) Austin, Jr. changed role as principal operating officer at QUANTA SERVICES, INC..

“Upon Mr. Probst’s resignation, Earl C. (Duke) Austin, Jr., who currently serves as President and Chief Executive Officer of the Company, assumed the additional role of principal operating officer of the Company.”

J. Redgie Probst resigned as Chief Operating Officer at QUANTA SERVICES, INC..

“Effective as of December 31, 2024, J. Redgie Probst resigned from his role as Chief Operating Officer and as principal operating officer of Quanta Services, Inc.”

QUANTA SERVICES, INC. completed an acquisition involving Cupertino Electric, Inc. for $1.505 billion (closed 2024-07-17).

“of CEI were converted into the right to receive certain amounts as set forth in the Merger Agreement. The Estimated Merger Consideration (as defined in the Merger Agreement) is $1.505 billion, subject to certain adjustments set forth in the Merger Agreement. Pursuant to the Merger Agreement, $225.75 million (such agreed value as of the execution of the Merger”

QUANTA SERVICES, INC. updated its full-year 2024 guidance (raised).

“Raising Full-Year 2024 Revenue and Earnings Per Share Expectations”

QUANTA SERVICES, INC. reported first quarter 2024 results: revenue $5.03 billion, net income $118.4 million, EPS $0.79.

“First Quarter Consolidated Revenues of $5.03 Billion* First Quarter GAAP Diluted EPS of $0.79 and Adjusted Diluted EPS of $1.41* Net Income Attributable to Common Stock of $118.4 Million”

QUANTA SERVICES, INC. reported FY 2023 results: revenue $20.88 billion, net income $744.7 million, EPS $5.00 per diluted share.

“Consolidated Revenues of $20.88 Billion* • GAAP Diluted EPS of $5.00* and Adjusted Diluted EPS of $7.16* • Net Income Attributable to Common Stock of $744.7 Million*”

QUANTA SERVICES, INC. reported Q4 2023 results: revenue $5.78 billion, net income $210.9 million, EPS $1.42 per diluted share.

“Consolidated Revenues of $5.78 Billion* • GAAP Diluted EPS of $1.42* and Adjusted Diluted EPS of $2.04* • Net Income Attributable to Common Stock of $210.9 Million*”

QUANTA SERVICES, INC. reported the fiscal quarter ended September 30, 2023 results: revenue $5.62 billion, net income $272.8 million, EPS $1.83 per diluted share. Guidance raised.

“Revenues in the third quarter of 2023 were $5.62 billion compared to revenues of $4.46 billion in the third quarter of 2022, and net income attributable to common stock was $272.8 million, or $1.83 per diluted share, in the third quarter of 2023 compared to net income attributable to common stock of $156.0 million, or $1.06 per diluted share, in the third quarter of 2022.”

QUANTA SERVICES, INC. amended debt of up to a maximum aggregate face amount of $1.5 billion.

“On September 26, 2023, Quanta Services, Inc., a Delaware corporation (the “ Company ”), increased the size of its existing unsecured commercial paper program, established on August 23, 2022 (the “ CP Program ”), to permit the issuance of short-term, unsecured commercial paper notes (the “ Notes ”) up to a maximum aggregate face amount of $1.5 billion outstanding at any time, effective October 6, 2023.”

QUANTA SERVICES, INC. reported second quarter 2023 results: revenue $5.05 billion, net income $165.9 million, EPS $1.12 per diluted share. Guidance raised.

“Revenues in the second quarter of 2023 were $5.05 billion compared to revenues of $4.23 billion in the second quarter of 2022, and net income attributable to common stock was $165.9 million, or $1.12 per diluted share”

Raúl J. Valentín was elected as Director at QUANTA SERVICES, INC..

“the Board increased the size of the Board from ten to eleven directors and, upon the recommendation of the Governance and Nominating Committee of the Board, elected Raúl J. Valentín to serve as a director, filling the vacancy created by such increase.”

QUANTA SERVICES, INC. shareholders approved Ratification of appointment of PricewaterhouseCoopers LLP as independent registered public accounting firm for fiscal year 2023 at the 2023-05-23 meeting.

“The appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for fiscal year 2023 was ratified with the vote totals, rounded to the nearest whole share, as set forth in the table below: Number of Votes Cast For Number of Votes Cast Against Abstentions Broker Non-Votes 120,212,403 8,366,400 46,816 —”

QUANTA SERVICES, INC. shareholders approved Advisory vote on the frequency of future stockholder advisory votes on executive compensation at the 2023-05-23 meeting.

“In the advisory vote on the frequency of future stockholder advisory votes on the Company’s executive compensation, votes were cast in favor of holding future advisory votes every year, every two years or every three years as set forth in the table below: 1 year 2 years 3 years Abstentions Broker Non-Votes 116,504,088 86,312 2,496,300 75,137 9,463,781”

QUANTA SERVICES, INC. shareholders approved Advisory resolution approving the Company's executive compensation at the 2023-05-23 meeting.

“The advisory resolution approving the Company’s executive compensation as set forth in the 2023 Proxy Statement was approved with the vote totals, rounded to the nearest whole share, as set forth in the table below: Number of Votes Cast For Number of Votes Cast Against Abstentions Broker Non-Votes 107,486,060 11,460,767 215,010 9,463,781”

QUANTA SERVICES, INC. shareholders approved Election of ten director nominees to serve one-year terms expiring at the 2024 Annual Meeting of Stockholders at the 2023-05-23 meeting.

“The following ten director nominees were elected as directors of the Company to serve one-year terms expiring at the 2024 Annual Meeting of Stockholders. The vote totals for each director, rounded to the nearest whole share, are set forth in the table below: Nominee: Number of Votes Cast For Number of Votes Cast Against Abstentions Broker Non-Votes Earl C. Austin, Jr. 118,225,626 865,154 71,058 9,463,781 Doyle N. Beneby 114,185,830 4,911,601 64,407 9,463,781 Vincent D. Foster 110,660,399 8,425,628 75,810 9,463,781 Bernard Fried 112,176,410 6,909,997 75,430 9,463,781 Worthing F. Jackman 109,991,445 9,094,589 75,803 9,463,781 Holli C. Ladhani 118,278,119 820,754 62,965 9,463,781 David M. McClanahan 115,140,823 3,957,701 63,313 9,463,781 R. Scott Rowe 118,051,385 1,046,234 64,219 9,463,781 Margaret B. Shannon 115,258,346 3,836,616 66,876 9,463,781 Martha B. Wyrsch 98,842,396 20,247,644 71,798 9,463,781”

QUANTA SERVICES, INC. reported the first quarter of 2023 results: revenue $4.43 billion, net income $95.0 million, EPS $0.64 per diluted share. Guidance raised.

“Revenues in the first quarter of 2023 were $4.43 billion compared to revenues of $3.97 billion in the first quarter of 2022, and net income attributable to common stock was $95.0 million, or $0.64 per diluted share, in the first quarter of 2023 compared to net income attributable to common stock of $84.6 million, or $0.57 per diluted share, in the first quarter of 2022.”

Paul Gregory departed as Chief Strategy Officer at QUANTA SERVICES, INC..

“On March 27, 2023, Quanta Services, Inc. (the “Company”) received notice that Paul Gregory would be retiring from his role as Chief Strategy Officer of the Company. Mr. Gregory’s retirement is anticipated to be effective as of April 1, 2023.”

QUANTA SERVICES, INC. reported Full-Year 2022 results: revenue $17.07 Billion, net income $491.2 Million, EPS $3.32 per diluted share.

“Full-Year 2022 Results Include: • Consolidated Revenues of $17.07 Billion* • GAAP Diluted EPS of $3.32 and Adjusted Diluted EPS of $6.34* • Net Income Attributable to Common Stock of $491.2 Million*”

QUANTA SERVICES, INC. reported Fourth Quarter 2022 results: revenue $4.42 Billion, net income $162.6 Million, EPS $1.10 per diluted share.

“Revenues in the fourth quarter of 2022 were $4.42 billion compared to revenues of $3.92 billion in the fourth quarter of 2021, and net income attributable to common stock was $162.6 million, or $1.10 per diluted share”

QUANTA SERVICES, INC.: Amended and restated bylaws effective immediately, including proxy access, updated nomination procedures, Delaware law updates, exclusive federal forum, and administrative changes (effective 2023-01-13).

“On January 13, 2023, the Board of Directors (the “Board”) of Quanta Services, Inc. (“Quanta”) approved an amendment and restatement of the Bylaws of Quanta, effective immediately (as so amended and restated, the “Amended Bylaws”).”

QUANTA SERVICES, INC. reported the fiscal quarter ended September 30, 2022 results: revenue $4.46 Billion, net income $156.0 million, EPS $1.06 per diluted share. Guidance reaffirmed.

“Rupp, CFA, IRC - Investors FGS Global Quanta Services, Inc. (281) 881-5170 713-629-7600 QUANTA SERVICES REPORTS THIRD QUARTER 2022 RESULTS Third Quarter Consolidated Revenues of $4.46 Billion* Third Quarter GAAP Diluted EPS of $1.06 and Adjusted Diluted EPS of $1.77* Net Income Attributable to Common Stock of $156.0 Million and Adjusted EBITDA of $467.4 Million* Cash”

R. Scott Rowe was elected as Director at QUANTA SERVICES, INC..

“the Board increased the size of the Board from nine to ten directors and, upon the recommendation of the Governance and Nominating Committee of the Board, elected R. Scott Rowe to serve as a director, filling the vacancy created by such increase.”

Jayshree S. Desai changed role as Chief Financial Officer and principal financial officer at QUANTA SERVICES, INC..

“effective as of July 18, 2022, Jayshree S. Desai transitioned from her role as Chief Corporate Development Officer of the Company to Chief Financial Officer and principal financial officer of the Company.”

Derrick A. Jensen changed role as Executive Vice President – Business Operations at QUANTA SERVICES, INC..

“Derrick A. Jensen’s planned transition from his role as Chief Financial Officer and principal financial officer of Quanta Services, Inc. (“ Quanta ” or the “ Company ”) to Executive Vice President – Business Operations of the Company, as previously reported in a Current Report on Form 8-K filed by Quanta with the U.S. Securities and Exchange Commission (“ SEC ”) on May 5, 2022, became effective as of July 18, 2022.”

Jayshree S. Desai changed role as Chief Financial Officer at QUANTA SERVICES, INC..

“Jayshree S. Desai will transition from her current role as Chief Corporate Development Officer to Chief Financial Officer and principal financial officer of the Company”

Derrick A. Jensen changed role as Executive Vice President – Business Operations at QUANTA SERVICES, INC..

“Derrick A. Jensen will transition from his current role as Chief Financial Officer and principal financial officer of the Company to another role with Quanta, Executive Vice President – Business Operations”

Redgie Probst was appointed as Chief Operating Officer at QUANTA SERVICES, INC..

“The changes to Mr. Probst’s compensation arrangement are effective as of January 26, 2022, the date of his appointment.”

Earl C. Austin, Jr. changed role as Chief Operating Officer at QUANTA SERVICES, INC..

“in connection with Mr. Probst’s appointment, Earl C. Austin, Jr., the Company’s President and Chief Executive Officer, relinquished his additional role as Chief Operating Officer of the Company.”

Holli C. Ladhani was elected as director at QUANTA SERVICES, INC..

“elected Holli C. Ladhani to serve as a director”