Tutor Perini Corporation (NYSE:TPC) (the "Company"), a leading civil, building and specialty construction company, announced today that its subsidiary, Perini Management Services, Inc. ("PMSI"), has been awarded a contract valued at approximately $42 million by the U.S. Army Corps of Engineers (USACE), Middle East District, Southwestern Division to complete the construction of facilities at Tabuk Air Base in the Kingdom of Saudi Arabia.

The scope of work includes the completion of a helicopter maintenance hangar, warehouse facility, and Ground Support Equipment (GSE) facility to support the mission of the Royal Saudi Land Forces Aviation Corps. The project also includes work required to integrate the new facilities with adjacent existing infrastructure, including airfield pavements, airfield lighting connections, airfield markings, site grading and landscaping, utilities, and utility connections.

Design work is expected to begin in September 2026, with substantial completion anticipated in September 2028. The contract value will be added to the Company’s backlog in the third quarter of 2026.

About Tutor Perini Corporation

Tutor Perini Corporation is a leading civil, building and specialty construction company offering diversified general contracting and design-build services to private customers and public agencies throughout the world. We have provided construction services since 1894 and have established a strong reputation within our markets by executing large, complex projects on time and within budget while adhering to strict safety and quality control measures. We offer general contracting, pre-construction planning and comprehensive project management services, and have strong expertise in delivering design-bid-build, design-build, construction management, and public-private partnership (P3) projects. We often self-perform multiple project components, including earthwork, excavation, concrete forming and placement, steel erection, electrical, mechanical, plumbing, heating, ventilation and air conditioning (HVAC), and fire protection.

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Tutor Perini Corporation

Jorge Casado, 818-362-8391

Senior Vice President, Investor Relations and Corporate Communications

www.tutorperini.com