was a Managing Director for JLL. From 1989 until 1998, he held several positions with the predecessor organization, LaSalle Partners. Prior to his employment with JLL, he served over eleven years of active duty service with the United States Army. Mr. Bulls was the Co-Founder, President, and Chief Executive Officer of Bulls Capital Partners, a commercial mortgage firm. He sold the firm to a Wall Street entity in 2010. Mr. Bulls retired as a Colonel from the Army Reserve. Mr. Bulls is a member of the Board of Directors of the West Point Association of Graduates, serves as a member of the Real Estate Advisory Committee for New York State Teachers’ Retirement System, and serves on the Board of Directors of Rasmussen College and USAA. Mr. Bulls also currently serves on the Board of Governors for the American Red Cross and the Military Bowl. Mr. Bulls previously served on the Board of Directors of Computer Sciences Corporation (CSC) from 2015 to 2017, Exelis Inc., from 2011 until its 2015 merger with Harris Corporation, and Tyco International from 2014 until its 2016 merger with Johnson Controls International PLC. Mr. Bulls is a graduate of the United States Military Academy at West Point and of the Harvard Business School.

Mr. Bulls has decades of real estate and finance experience with a particular knowledge of team-building, marketing, and strategic development.

ALAN P. KRUSI, 64

Director

Alan P. Krusi has served as a Director of the Company since March 2008. Mr. Krusi was President, Strategic Development of AECOM Technology Corporation, a global provider of professional technical and management support services, from October 2011 until his retirement in March 2015. He served as Executive Vice President for Corporate Development of AECOM Technology Corporation from August 2008 until October 2011. From 2003 until 2008, Mr. Krusi served as President of Earth Tech, Inc., an engineering, consulting, and construction services firm owned by Tyco International. From 2002 to 2003, Mr. Krusi served as CEO of RealEnergy, Inc., a company providing onsite cogeneration to commercial and industrial customers. From 1999 to 2002, Mr. Krusi served as President of the Construction Services division of URS Corporation, where he oversaw an international construction services business specializing in construction management and program management. Prior to his employment with URS, and over a period of twenty‑two

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​	ALAN P. KRUSI​ Director ​ ■ Age 66 ​	​	​	​	Alan P. Krusi has served as a Director of the Company since March 2008. Mr. Krusi was President, Strategic Development of AECOM Technology Corporation, a global provider of professional technical and management support services, from October 2011 until his retirement in March 2015. He served as Executive Vice President for Corporate Development of AECOM Technology Corporation from August 2008 until October 2011. From 2003 until 2008, Mr. Krusi served as President of Earth Tech, Inc., an engineering, consulting, and construction services firm owned by Tyco International. From 2002 to 2003, Mr. Krusi served as CEO of RealEnergy, Inc., a company providing onsite cogeneration to commercial and industrial customers. From 1999 to 2002, Mr. Krusi served as President of the Construction Services division of URS Corporation, where he oversaw an international construction services business specializing in construction management and program management. Prior to his employment with URS, and over a period of twenty-two years, Mr. Krusi held a number of technical and management positions within the engineering and construction industries. Mr. Krusi currently also serves on the Board of Directors of Granite Construction Incorporated, Lithko Contracting, LLC and SSR Mining. Mr. Krusi served on the Board of Directors of Alacer Gold Corp from September 2014 to September 2020; Boxwood Merger Corp from November 2018 to January 2020; Layne Christensen from January 2016 to June 2018; and Blue Earth, Inc. from September 2014 to June 2016. Mr. Krusi is a graduate of the University of California at Santa Barbara and is a Registered Geologist, Certified Engineering Geologist, and Licensed General Contractor in the State of California. Mr. Krusi has over forty years of experience in the construction and engineering industries, including experience in executive management and director positions for public companies.	​

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​	BRIAN E. LANE​ ■ Director, President, and Chief Executive Officer ​ ■ Age 64 ​	​	​	​	Brian E. Lane has served as Chief Executive Officer and President of the Company since December 2011 and as a Director since November 2010. Mr. Lane served as the Company’s President and Chief Operating Officer from March 2010 until December 2011. Mr. Lane joined the Company in October 2003 and served as Vice President and then Senior Vice President for Region One of the Company until he was named Executive Vice President and Chief Operating Officer in January 2009. Prior to joining the Company, Mr. Lane spent fifteen years at Halliburton, the global service and equipment company devoted to energy, industrial, and government customers. During his tenure at Halliburton, he held various positions in business development, strategy, and project initiatives. He departed as the Regional Director of Europe and Africa. Mr. Lane’s additional experience included serving as a Regional Director of Capstone Turbine Corporation, a distributed power manufacturer. He also was a Vice President of Kvaerner, an international engineering and construction company where he focused on the chemical industry. Mr. Lane is a member of the Board of Directors of Main Street Capital Corporation and previously served as a member of the Board of Directors of Griffin Dewatering Corporation. Mr. Lane earned a Bachelor of Science in Chemistry from the University of Notre Dame and his MBA from Boston College. Mr. Lane has more than thirty years of experience in the construction and engineering industries. As the Company’s Chief Executive Officer and President, Mr. Lane provides the Board a valuable perspective on the Company’s day-to-day operations and on current trends and developments in the industry.	​

Mr. Lane has more than thirty years of experience in the construction and engineering industries. As the Company’s Chief Executive Officer and President, Mr. Lane provides the Board a valuable perspective on the Company’s day‑to‑day operations and on current trends and developments in the industry.

PABLO G. MERCADO, 42

Director

Pablo G. Mercado has served as a Director of the Company since November 2018. Mr. Mercado has served as Senior Vice President and Chief Financial Officer of Forum Energy Technologies, Inc. since March 2018. Since November 2011, Mr. Mercado served in various roles at Forum Energy Technologies, Inc., including as Senior Vice President, Finance from June 2017 to March 2018; Vice President, Operations Finance from August 2015 to June 2017; Vice President, Corporate Strategy and Treasurer from January 2014 to August 2015; Vice President, Corporate Development & Strategy from February 2013 to January 2014; and Vice President, Corporate Development from November 2011 to February 2013. From May 2005 to October 2011, Mr. Mercado was an investment banker in the Oil and Gas Group of Credit Suisse Securities (USA) LLC where he worked with oilfield services companies. From 1998 to 2001 and 2003 to May 2005, Mr. Mercado was an investment banker at other firms, primarily working with companies in the oil and gas industry. Mr. Mercado holds a B.B.A. from the Cox School of Business, a B.A. in Economics from the Dedman College at Southern Methodist University, and an M.B.A. from The University of Chicago Booth School of Business.

Mr. Mercado has extensive public company finance and accounting experience, and he has significant experience in corporate strategy and operations.

FRANKLIN MYERS, 66

Director and Chairman of the Board

Franklin Myers has served as a Director of the Company since May 2005 and as Chairman of the Board since May 2014. Mr. Myers has been a Senior Advisor and advisory director of Quantum Energy Partners, a private equity firm, since February 2013 and was an operating advisor to Paine and Partners, a private equity firm, from October 2009 until December 2012. From April 2008 until March 2009, Mr. Myers served as Senior Advisor to Cameron International Corporation, a global provider to the oil & gas and process industries. Mr. Myers served as the Senior Vice President of Finance and Chief Financial Officer of Cameron International Corporation from 2003 to 2008. From 1995 to 2003, Mr. Myers served at various times as Senior Vice President and President of a division within Cooper Cameron Corporation as well as General Counsel and Secretary. Prior to joining Cooper Cameron Corporation in 1995, Mr. Myers served as Senior Vice President and General Counsel of Baker Hughes Incorporated, and an attorney and partner at the law firm of Fulbright & Jaworski, now known as Norton Rose Fulbright. Mr. Myers currently serves on the Board of Directors of Ion Geophysical Corporation, HollyFrontier Corporation and NCS Multistage, and Mr. Myers also serves on the board of WireCo WorldGroup, a privately-owned company. Mr. Myers served on the Board of Directors of Seahawk Drilling Company from 2009 until 2011, Frontier Oil Corporation—a predecessor of HollyFrontier Corporation—from 2009 until its 2011 merger with Holly Corporation, and Forum Energy Technologies from 2011 until March 2018. Mr. Myers holds a Bachelor of Science, Industrial Engineering, from Mississippi State University and a J.D. degree, with honors, from the University of Mississippi.

Mr. Myers has several decades of public company experience, with a particular knowledge of operations, financial management, and legal affairs. Additionally, Mr. Myers has significant experience serving on other public company boards and has served as an adjunct professor at the University of Texas School of Law where he taught a course on mergers and acquisitions.

WILLIAM J. SANDBROOK, 61

Director

William J. Sandbrook has served as a Director of the Company since April 2018. Since August 2011, Mr. Sandbrook has served as President and Chief Executive Officer of U.S. Concrete, Inc. From June 2008 until August 2011, Mr. Sandbrook was Chief Executive Officer of Oldcastle Inc.’s Products and Distribution Group. From 2006 to

June 2008, Mr. Sandbrook was Chief Executive Officer of Oldcastle Architectural Product’s Group responsible for Oldcastle’s U.S. and Canadian Operations, as well as CRH plc’s business in South America. From 1996 to 2006, Mr. Sandbrook served in various roles at Oldcastle Materials, including most recently as President of Oldcastle Materials West Division. From 1995 to 1996, Mr. Sandbrook served as President and Chief Executive Officer of Tilcon New York, and as Vice President from 1992 to 1995. Prior to 1992, Mr. Sandbrook spent thirteen years in the U.S. Army. Mr. Sandbrook currently serves as the Chairman of the Board of Directors of U.S. Concrete, Inc. In recognition of his efforts at Ground Zero after the September 11th bombing of the World Trade Center, Mr. Sandbrook was named the Rockland County, New York 2002 Business Leader of the Year, the Dominican College 2002 Man of the Year and the American Red Cross 2003 Man of the Year for Southern New York. In 2017, Mr. Sandbrook was awarded the Lifetime Achievement Award by the New Jersey Concrete and Aggregate Association. In March of 2018, he was awarded the William B. Allen Award from the National Ready Mixed Concrete Association in recognition of his lifetime commitment to the concrete industry. Also in March of 2018, Mr. Sandbrook  was inducted into the Pit and Quarry Magazine’s Hall of Fame. Mr. Sandbrook holds an MBA from Wharton, a Master of Science in Systems Engineering from the University of Pennsylvania, a Master in Public Policy from the Naval War College, a Master of Arts in International Relations from Salve Regina University, and a Bachelor of Science from the United States Military Academy.

Mr. Sandbrook has over twenty-five years of operations experience in the building materials and construction industries, including significant experience as a Chief Executive Officer and experience as a public company board member.

JAMES H. SCHULTZ, 70

Director

James H. Schultz has served as a Director of the Company since November 2002. He retired from the American Standard Companies in 2001, where he had worked for thirty‑one years. Mr. Schultz served as President of the Trane Commercial Air Conditioning Group, a division of the American Standard Companies, from 1998 to 2001. Prior to that time, he served in various other capacities, including Executive Vice President. Mr. Schultz served on the Board of Directors of Goodman Global, Inc. from 2006 to 2008. Mr. Schultz has been Chair and a Board member of the Air Conditioning and Refrigeration Institute, and serves on The Iowa State University Foundation Board of Governors. Mr. Schultz is a graduate of Iowa State University.

Mr. Schultz has extensive experience related to the manufacture, sale, service, and installation of HVAC equipment and performance contracting and building energy management. As President of the Trane Commercial Air Conditioning Group, Mr. Schultz was responsible for the division’s profit and loss statements. As a result of his experience, Mr. Schultz is very knowledgeable about the Company’s industry.

CONSTANCE E. SKIDMORE, 67

Director

Constance E. Skidmore has served as a Director of the Company since December 2012. Ms. Skidmore retired from PricewaterhouseCoopers, a public accounting firm, in 2009 after serving for more than two decades as a partner, including a term on its governing board. Ms. Skidmore serves on the Board of Directors and chairs the Audit Committee of Sensata Technologies (NYSE: ST) and on the boards of several other privately-held and non-profit companies: Proterra, Inc., The V Foundation for Cancer Research and Viz Kinect. Ms. Skidmore previously served on the Board of Directors and Audit Committee of Shortel, Inc. (NASDAQ: SHOR) from 2014 until 2017 when it was acquired by Mitel Networks Corporation. Ms. Skidmore is a graduate of Florida State University and earned a Master of Science in Taxation from Golden Gate University.

Ms. Skidmore has more than thirty years of experience in accounting and finance, including in the construction industry, and significant experience and knowledge in talent management and strategic planning.

VANCE W. TANG, 52

Director

Vance W. Tang has served as a Director of the Company since December 2012. Mr. Tang has been President and Owner of VanTegrity Consulting, a strategy and leadership consulting services and executive coaching provider, since August 2012. Mr. Tang previously owned a wealth management business, VanTegrity Financial, LLC, from February 2012 to December 2016. He served as President and Chief Executive Officer of the U.S. subsidiary of KONE OY, a public company and a leading global provider of elevators and escalators, and Executive Vice President of KONE Corporation from February 2007 until August 2012. In this role, he led the organization through a major transformation around customer focus and profitable growth. Prior to joining KONE, he was Vice President and General Manager at Honeywell Building Control Systems. Previously, he spent over fourteen years at Trane, a supplier of heating, ventilation, and air conditioning systems to both the residential and commercial markets. He serves on the Board of Directors of American Woodmark Corporation (NASDAQ:AMWD) and previously on the Board of Governors of the Center for Creative Leadership. Mr. Tang has a Bachelor of Science degree in Electrical Engineering and an MBA degree from the University of Wisconsin.

Mr. Tang has deep operations experience in the construction and service industries, including experience as a Chief Executive Officer, and he also has experience serving on other public company boards. Additionally, Mr. Tang is currently serving as our Board Liaison for Cybersecurity, leveraging his engineering background and business leadership experience.

The Board of Directors recommends that stockholders vote FOR

the Directors listed above in Proposal Number 1.

Meetings of the Board and Committees