Sterling Infrastructure Appoints Katherine Hargis as General Counsel and Corporate Secretary

Executive Appointment Analysis: Sterling Infrastructure, Inc. (NASDAQ: STRL)

Overview of Event

On October 5, 2026, Sterling Infrastructure, Inc. filed a Form 8-K under Item 7.01 (Regulation FD Disclosure) announcing the appointment of Katherine Hargis as Senior Vice President, General Counsel, Chief Compliance Officer, and Corporate Secretary, effective October 5, 2026. Ms. Hargis succeeds Mark D. Wolf, who had served in those capacities since August 2020.

Executive Background

• Prior Role: Senior Vice President, Chief Administrative Officer, General Counsel, and Corporate Secretary at Key Energy Services.
• Key Competencies: Legal affairs, corporate governance, enterprise compliance and ethics, human capital, cybersecurity, and risk management.
• Previous Experience: Leadership legal roles at U.S. Concrete (including Vice President, General Counsel, and Corporate Secretary).
• Education: J.D. from Tulane Law School; B.S. in Administration of Justice from Arizona State University.

Strategic & Market Implications

• Governance & Legal Oversight: Ms. Hargis brings extensive legal and compliance experience across infrastructure and energy-related services, supporting the company's M&A activity and regulatory compliance obligations.
• Operational Continuity: The appointment transitions executive legal leadership smoothly following the tenure of Mark D. Wolf.
• Market Impact: Because this filing is furnished under Item 7.01 and contains no financial guidance revisions or insider share transactions, it is deemed to have a low direct trading impact.