MOBILE, Ala. – August 18, 2026 — Thompson Holdings has appointed Todd M. Musterait, P.E., to its Board of Directors, strengthening the board with an executive leader who has guided strategic growth, acquisitions and organizational transformation across some of the architecture, engineering and construction industry’s most recognized firms.

Musterait is a licensed professional engineer and accomplished civil and environmental engineering leader with more than 30 years of experience in the architecture, engineering and construction industry. He has helped guide complex engineering and environmental programs while serving in executive leadership roles with WSP, Ecology & Environment, AECOM, Apex Companies, Hatch and BST Global. His blend of technical expertise and industry leadership has made him a trusted advisor on both operational and strategic initiatives across the AEC sector.

“Todd will bring an important point of view to the Thompson Holdings Board of Directors,” said Chad Brown, CEO of Thompson Holdings. “He has a strategic mindset and proven record of guiding growth-focused organizations. That will be a tremendous asset as we continue to dream big for the future of our employee-owners.”

“Thompson Holdings has built an impressive foundation, and I’m excited to join the Board at a time when the company is poised for continued growth,” said Musterait. “The AEC, disaster response, and technology industries are evolving rapidly, creating new opportunities for innovation, expansion and impact. I look forward to partnering with the leadership team to help navigate that future and support strategies that create lasting value for Thompson’s subsidiaries, employee-owners and the communities they serve.”

Thompson Holdings comprises four subsidiaries: Thompson Engineering, Watermark Design Group, Thompson Consulting Services, and Sourcetoad. The company operates as an employee stock ownership plan (ESOP) where every employee earns shares in the company as it grows. Thompson and its subsidiaries encompass nearly 900 employees working in eight Southeastern states.

Musterait’s appointment reflects Thompson Holdings’ commitment to strong governance and experienced leadership as the company continues to build its long-term strategy and pursue new opportunities across its family of companies.

About Thompson Holdings

Thompson Holdings is the parent company of subsidiaries operating in the engineering, architecture, disaster recovery, and software and app development fields. As parent company, Thompson Holdings provides corporate services, ESOP governance, and capital investment strategies for the benefit of all Thompson employee-owners. For more information, visit www.thompsonholdingsinc.com.