Tutor Perini Corporation announced that James A. Frost, the Company's President and Chief Operating Officer and Chief Executive Officer of the Company's Civil Group, will retire from the Company on June 30, 2023. Mr. Frost will step down from his current roles effective as of September 30, 2022, and at such time Michael F. Smithson will be appointed as Executive Vice President, Civil Group and Ghassan Ariqat will be appointed Executive Vice President, Building & Specialty Contractors Groups. Additionally, Ronald N. Tutor, the Company's Chairman and Chief Executive Officer, will assume the role of President, in addition to his current roles.

As agreed on September 22, 2022, Mr. Frost will transition to a new role as Executive Vice President, Special Projects on September 30, 2022 until his retirement as an employee of the Company on June 30, 2023. Mr. Frost has agreed to serve as a consultant to the Company from July 1, 2023 through March 31, 2024, during which such period Mr. Frost will work with the Company on the settlement and resolution of various project disputes.