PWRQuanta Services

On March 6, 2025, the Rule 10b5-1 trading arrangement previously adopted on November 25, 2024 by Donald C. Wayne, Executive Vice President and General Counsel of Quanta, terminated upon expiration of all orders. Mr. Wayne’s plan provided for the sale of up to 19,307 shares of Quanta common stock

On November 25, 2024, Donald C. Wayne, Executive Vice President and General Counsel of Quanta, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K), with an expiration date of the earlier of May 30, 2025 or the date on which all contemplated transactions set forth in the plan are completed. Mr. Wayne’s plan provides for the potential sale of up to 19,307 shares of Quanta common stock and is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act.

On June 3, 2024, the Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K) previously adopted by Derrick A. Jensen, Executive Vice President of Quanta, terminated upon execution of all orders. Mr. Jensen’s plan provided for the sale of up to 30,000 shares of Quanta common stock through December 27, 2024.

On March 27, 2024, the Rule 10b5-1 trading arrangement previously adopted by Donald C. Wayne, Executive Vice President and General Counsel of Quanta, terminated upon execution of all orders. Mr. Wayne’s plan provided for the sale of up to 17,750 shares of Quanta common stock through April 30, 2024.

On March 1, 2024, Derrick A. Jensen, Executive Vice President of Quanta, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K), with an effective date of March 31, 2024 and an expiration date of December 27, 2024. Mr. Jensen’s plan provides for the potential sale of up to 30,000 shares of Quanta common stock and is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act.

On May 15, 2023, Donald C. Wayne, Executive Vice President and General Counsel of Quanta, adopted a Rule 10b5-1 trading arrangement (as such term is defined in Item 408 of Regulation S-K). Mr. Wayne’s plan provides for the potential sale of up to 17,750 shares of Quanta’s common stock through April 30, 2024. This Rule 10b5-1 trading arrangement is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended, and Quanta’s policies regarding transactions in our securities.