斯特林基建 STRL

Mr. Cutillo has served as the Chief Executive Officer of the Company since 2017. He joined the Company in October 2015 as Vice President, Strategy & Business Development. In May 2016, he was promoted to Executive Vice President and Chief Business Development Officer. In February 2017, he was promoted to President of the Company and in April 2017 he was promoted to Chief Executive Officer. Mr. Cutillo has served on the board of NPK International, Inc. (NYSE) since 2025 where he is a member of the Audit, Compensation and Environmental, Social and Governance Committees. Prior to joining the Company, Mr. Cutillo was President and Chief Executive Officer of Inland Pipe Rehabilitation LLC, a private equity-backed trenchless pipe rehabilitation company, from August 2008 to October 2015. Mr. Cutillo currently serves as Chairman at Large of the American Road and Transportation Builders Association and as a member of the Northeastern University Civil and Environmental Engineering Industry Advisory Board. In December 2024, Mr. Cutillo was appointed to the Working Group on Covered Resources for the Federal Highway Administration. Other Public Company Directorships: NPK International, Inc. (2025-Present).

Mr. Govin has been Chief Operating Officer since joining the Company in August 2024 after previously serving as President of Quanta West LLC, Inc. from 2022. Mr. Govin served as President of PAR Electrical Contractors from 2018 to 2022 and as Senior Vice President of Operations of Quanta Services, Inc. from 2011.

Mr. Wolf has been General Counsel, Chief Compliance Officer & Corporate Secretary since joining the Company in August 2020 after previously serving as Vice President, General Counsel & Corporate Secretary of US Well Services, Inc. From 2017 to 2019, Mr. Wolf served as Vice President - Legal for TechnipFMC and Deputy General Counsel for FMC Technologies, Inc. from 2015 until its merger with Technip in 2017.

Mr. Grindstaff has been Chief Financial Officer since joining the Company in July 2025 after serving as CFO for Cinterra Group Corporation (formerly Directional Services, Inc.) from 2024 to 2025. Previously, Mr. Grindstaff served as CFO of Orbital Infrastructure Group, Inc. since 2021 and as Vice President-Finance of Quanta Services, Inc. from 2011 to 2021.

Mr. Cregg has served as a board member of Westlake Corporation (NYSE) and as a board member of Canadian based Minto Group since 2024. Mr. Cregg previously served as President and Chief Executive Officer and director of AV Homes, Inc. (NASDAQ) from 2012 until its sale to Taylor Morrison Homes in 2018. Mr. Cregg previously served as a senior executive and Chief Financial Officer to The Servicemaster Company (2011 to 2012), PulteGroup, Inc. (NYSE) (1998 to 2011), the Zenith Electronics Corporation (NYSE) (1996 to 1998) and Sweetheart Cup Company, Inc. (1990 to 1996). Mr. Cregg previously served on the board of directors of Comerica Incorporated (NYSE) (2006 to 2026), where he was Chair of the Audit Committee and Chair of the Qualified Legal Compliance Committee, served on the Advisory Boards of Camden Homes, LLC (2020 to 2023) and Davidson Homes (2019 to 2021) and he also served on the board of directors of the Federal Reserve Bank of Chicago, Detroit Branch (2004 to 2009), including the role of board Chair in 2006. Mr. Cregg was elected chair of the Company's Board in January 2025. Other Public Company Directorships: Westlake Corporation (2024-Present).

Ms. O'Brien has served as a board member of AdvanSix, Inc. (NYSE) since 2025 after serving as Senior Vice President, General Counsel and Secretary of Olin Corporation (NYSE), a chemical manufacturer, from 2021 to 2025. Ms. O'Brien previously served as Senior Vice President and General Counsel of The Brinks Company (NYSE), a cash management and payment solutions company, from 2019 to 2021, and as Senior Vice President and General Counsel of CenterPoint Energy (NYSE), a natural gas and electric distribution company, from 2014 to 2019. Other Public Company Directorships: AdvanSix (2025-Present).

Mr. Wilson was Senior Vice President of Fluor Corporation (NYSE), an American multinational engineering and construction firm, from 2014 to 2016. From 2011 until 2014, Mr. Wilson served as President & CEO of Savannah River Nuclear Solutions, a joint venture between Fluor, Honeywell and Newport News. From 1980 until 2011, Mr. Wilson served increasing roles of executive responsibility with Fluor, including President of its Industrial and Infrastructure business, President of its Mining & Minerals business, and President of its Commercial & Industrial business. Currently, Mr. Wilson sits on the public company boards of Crown Holdings, Inc. (NYSE), Ingredion, Inc. (NYSE), where he previously chaired the compensation committee, and DT Midstream, Inc (NYSE) where he is chair of the compensation committee. Previously, Mr. Wilson served on the board of AK Steel Holding Corporation, including the public and environmental affairs and nominating and corporate governance committees. Other Public Company Directorships: Crown Holdings, Inc. (2020-Present), Ingredion, Inc. (2010-Present), DT Midstream, Inc. (2021-Present), AK Steel Holding Co. (2017-2020).

Ms. Dill is Director Certified by the National Association of Corporate Directors and currently serves on the board of the NACD Tri-Cities Chapter. She is a board member of Rayonier Advanced Materials (RYAM) (NYSE) since 2018 where she is Chair of the Compensation Committee and a member of the Nomination and Corporate Governance Committee, as well as a board member of Centuri Holdings (NYSE) since 2024 where she is Chair of the Audit Committee as well as a member of the Nominating and Corporate Governance Committee. From 2007 until its merger with Enbridge in 2017, Ms. Dill served in multiple executive positions at Spectra Energy Corporation (NYSE) including serving as the President of Union Gas (2007-2011), as the President and CEO of Spectra Energy Partners (NYSE) from 2012-2013 and as its Chief Communications Officer (2013-2017), which included responsibilities for investor relations, internal and external communications, community relations and sustainability. Previously, Ms. Dill held various positions with Duke Energy and Shell Oil Company, including serving as the President of Duke Energy's Asia Pacific Operations in 2001-2004. Ms. Dill has served on the then publicly held boards of Inter Pipeline Limited (TSX) from 2018-2021 and QEP Resources (NYSE) from 2018-2021 in a variety of committee roles, including chairing the audit and EH&S committees. Since 2019, Ms. Dill has served on the board of Southern Star Central Gas Pipeline, a privately held company, and has been the Chair since 2021. Ms. Dill is on the advisory council at New Mexico State University and has received a CERT Certificate in Cybersecurity Oversight from the Carnegie Mellon University Software Engineering Institute. Other Public Company Directorships: RYAM (2018-Present, Centuri Holdings (2024-Present).

Mr. Bosway has served as Chief Executive Officer and Chairman of the Board of Gibraltar Industries, Inc. (NASDAQ) since January 2022 after serving as President and Chief Executive Officer and a Director since January 2019. Mr. Bosway previously served as President and Chief Executive Officer of the Refrigeration and Food Equipment Division of Dover Corporation (NYSE), a diversified global manufacturer, from June 2016 to December 2018. Prior to joining Dover Corporation, Mr. Bosway spent 26 years with Emerson Electric Co. (NYSE), a global manufacturer of industrial, commercial and consumer products, serving as Group Vice President, Solutions & Technology for Emerson Climate Technologies from May 2008 to June 2016. Other Public Company Directorships: Gibraltar Industries, Inc. (2019-Present).

Mr. Schulz is the Executive Vice President and Special Advisor to the CEO of Wesco International, Inc. (NYSE) since February 2026 after serving as the company's Chief Financial Officer since 2016. Wesco provides distribution, logistical services, and supply chain solutions to the electrical, data communications and utility industries. Mr. Schulz plans to retire from Wesco effective May 31, 2026. Prior to joining Wesco, Mr. Schulz served as the Senior Vice President and Chief Operating Officer of Armstrong Flooring, Inc. from April 2016 to October 2016. Previously, he was the Senior Vice President and Chief Financial Officer of Armstrong World Industries, Inc. from November 2013 to March 2016 and Vice President, Finance from June 2011 to November 2013. Before joining Armstrong, Mr. Schulz held various financial leadership roles with Procter & Gamble and The J.M. Smucker Company after serving as an officer in the United States Marine Corps.