Board Committees

Robert B. Mills has served on our Board of Directors since October 8, 2015. Prior to his retirement, Mr. Mills was Chief Operating Officer of Assured Guaranty, Ltd., the largest financial guaranty insurance company in the world, and was previously its Chief Financial Officer. Mr. Mills began his career at KPMG, where he progressed to partner and was later appointed National Practice Director for Investment Banking and Capital Markets. His career also included serving as Chief Operating Officer and Chief Financial Officer of the Americas Region for UBS, AG. Mr Mills currently serves on the Johns Hopkins University Lyme Research Center Board.

Mr. Mills was awarded a B.B.A in Accounting from Niagara University and is a Certified Public Accountant (CPA) and Certified Global Management Accountant (CGMA).

David A. B. Brown has served on our Board of Directors since June 2016. Mr. Brown is the Chairman of the Board of Directors of Layne Christensen Company and is a member of the Board of Directors of EMCOR Group, Inc. He is the former President and Chief Executive Officer of Layne Christensen and the former Chairman of the Board of Directors of Pride International, Inc. until it was acquired by Ensco plc in May 2011. A chartered accountant and CPA, Mr. Brown has been involved in the energy industry for the majority of his career and served on several other Boards. Mr. Brown earned his Bachelor of Commerce and a Masters in Accounting from McGill University and his MBA with Distinction from the Harvard Business School.

Mr. Davis served in a variety of positions at Sempra Energy, a Fortune 500 global energy infrastructure and public utility company (NYSE: SRE), and its indirect subsidiaries, Southern California Gas Company (“SCGC”) (OTC: SOCGM) and San Diego Gas & Electric Company (“SDG&E”), from 1980 until his retirement in March 2018. Some of his roles included Corporate Group President – Utilities of Sempra Energy, Executive Vice President – External Affairs and Corporate Strategy of Sempra Energy, and President and Chief Operating Officer of SDG&E. Mr. Davis served as a director of SCGC from 2011 to 2013 and again from 2015 to 2018, including as its non-executive chairman in 2017 and 2018. He also served as a director of SDG&E from 2011 to 2018, including as its non-executive chairman in 2017 and 2018. Mr. Davis previously served on the boards of directors of the U.S Chamber of Commerce and the Edison Electric Institute. He received his Bachelor of Business Administration in Accounting with Honors from San Diego State University.

Ms. Goodspeed is the retired Chief Operating Officer and Managing Partner at WealthStrategies Financial Advisors and is an Independent Director at American Electric Power Corporation, Darling Ingredients, and AutoZone. Ms. Goodspeed previously served as Chief Information Officer (CIO) & Senior Vice President of The ServiceMaster Company, prior to which she was the CIO & Vice President of Information Systems at Nissan North America and also the Executive Vice President and Chief Technology and Supply Chain Logistics Officer at Lennox International. Ms. Goodspeed earned her B.S. in Mechanical Engineering from Michigan State University and has an MBA in International Finance from the University of Michigan.

David A. B. Brown has served on our Board of Directors since June 2016. Mr. Brown is the Chairman of the Board of Directors of Layne Christensen Company and is a member of the Board of Directors of EMCOR Group, Inc. He is the former President and Chief Executive Officer of Layne Christensen and the former Chairman of the Board of Directors of Pride International, Inc. until it was acquired by Ensco plc in May 2011. A chartered accountant and CPA, Mr. Brown has been involved in the energy industry for the majority of his career and served on several other Boards. Mr. Brown earned his Bachelor of Commerce and a Masters in Accounting from McGill University and his MBA with Distinction from the Harvard Business School.

Mr. Davis served in a variety of positions at Sempra Energy, a Fortune 500 global energy infrastructure and public utility company (NYSE: SRE), and its indirect subsidiaries, Southern California Gas Company (“SCGC”) (OTC: SOCGM) and San Diego Gas & Electric Company (“SDG&E”), from 1980 until his retirement in March 2018. Some of his roles included Corporate Group President – Utilities of Sempra Energy, Executive Vice President – External Affairs and Corporate Strategy of Sempra Energy, and President and Chief Operating Officer of SDG&E. Mr. Davis served as a director of SCGC from 2011 to 2013 and again from 2015 to 2018, including as its non-executive chairman in 2017 and 2018. He also served as a director of SDG&E from 2011 to 2018, including as its non-executive chairman in 2017 and 2018. Mr. Davis previously served on the boards of directors of the U.S Chamber of Commerce and the Edison Electric Institute. He received his Bachelor of Business Administration in Accounting with Honors from San Diego State University.

Ms. Goodspeed is the retired Chief Operating Officer and Managing Partner at WealthStrategies Financial Advisors and is an Independent Director at American Electric Power Corporation, Darling Ingredients, and AutoZone. Ms. Goodspeed previously served as Chief Information Officer (CIO) & Senior Vice President of The ServiceMaster Company, prior to which she was the CIO & Vice President of Information Systems at Nissan North America and also the Executive Vice President and Chief Technology and Supply Chain Logistics Officer at Lennox International. Ms. Goodspeed earned her B.S. in Mechanical Engineering from Michigan State University and has an MBA in International Finance from the University of Michigan.

Robert B. Mills has served on our Board of Directors since October 8, 2015. Prior to his retirement, Mr. Mills was Chief Operating Officer of Assured Guaranty, Ltd., the largest financial guaranty insurance company in the world, and was previously its Chief Financial Officer. Mr. Mills began his career at KPMG, where he progressed to partner and was later appointed National Practice Director for Investment Banking and Capital Markets. His career also included serving as Chief Operating Officer and Chief Financial Officer of the Americas Region for UBS, AG. Mr Mills currently serves on the Johns Hopkins University Lyme Research Center Board.

Mr. Mills was awarded a B.B.A in Accounting from Niagara University and is a Certified Public Accountant (CPA) and Certified Global Management Accountant (CGMA).

Mr. Quain has served on the Executive Council of American Securities LLC, a private equity firm, since January 2020. From December 2011 to December 2019, Mr. Quain wasa Senior Advisor at the private equity firm Carlyle Group. From January 2010 through December 2011, Mr. Quain was a Partner at One Equity Partners, a private investmentfirm. From 2006 through 2009, he was a Senior Director and then Managing Director of ACI Capital Corp., a private equity investment firm. From 2002 through 2005,Mr. Quain served as Chairman of Register.com, Inc., a provider of domain name registration and internet services, and from 1997 to 2001 he was employed with ABN AMROBank N.V. and its predecessors in several capacities, including Vice Chairman of Investment Banking. Mr. Quain has served on the board of directors of AstroNova, Inc.(Nasdaq: ALOT), which designs, develops, manufactures and distributes a broad range of specialty printers and data acquisition and analysis systems, where he serves on thecompensation and nominating and governance committees and as chair of the audit committee, since 2011; Digirad Corporation (Nasdaq: DRAD), a diversified holdingcompany with three divisions: Healthcare, Building and Construction, and Real Estate and Investments, where he serves on the audit and corporate governance committees,since 2019; and Kensington Capital Acquisition Corp. (NYSE: KCAC), a special purpose acquisition company formed for the purpose of effecting a merger, stock purchase orsimilar business combination with a business in the automotive and automotive-related sector, where he serves on the audit committee and as chair of the nominating andcorporate governance committee, since 2020. Mr. Quain previously served on the boards of multiple other public and private companies, including Jason Industries, Inc.,DeCrane Aircraft Holdings, Inc., Handy & Harman Ltd., Hardinge Inc., HEICO Corporation, Magnetek, Inc., Mechanical Dynamics, Inc., RBC Bearings Incorporated,Register.com, Inc., Strategic Distribution, Inc., Tecumseh Products Company, Titan International, Inc., and Xerium Technologies, Inc. He is also a Chartered Financial Analyst.

Mr. Davis served in a variety of positions at Sempra Energy, a Fortune 500 global energy infrastructure and public utility company (NYSE: SRE), and its indirect subsidiaries, Southern California Gas Company (“SCGC”) (OTC: SOCGM) and San Diego Gas & Electric Company (“SDG&E”), from 1980 until his retirement in March 2018. Some of his roles included Corporate Group President – Utilities of Sempra Energy, Executive Vice President – External Affairs and Corporate Strategy of Sempra Energy, and President and Chief Operating Officer of SDG&E. Mr. Davis served as a director of SCGC from 2011 to 2013 and again from 2015 to 2018, including as its non-executive chairman in 2017 and 2018. He also served as a director of SDG&E from 2011 to 2018, including as its non-executive chairman in 2017 and 2018. Mr. Davis previously served on the boards of directors of the U.S Chamber of Commerce and the Edison Electric Institute. He received his Bachelor of Business Administration in Accounting with Honors from San Diego State University.

David A. B. Brown has served on our Board of Directors since June 2016. Mr. Brown is the Chairman of the Board of Directors of Layne Christensen Company and is a member of the Board of Directors of EMCOR Group, Inc. He is the former President and Chief Executive Officer of Layne Christensen and the former Chairman of the Board of Directors of Pride International, Inc. until it was acquired by Ensco plc in May 2011. A chartered accountant and CPA, Mr. Brown has been involved in the energy industry for the majority of his career and served on several other Boards. Mr. Brown earned his Bachelor of Commerce and a Masters in Accounting from McGill University and his MBA with Distinction from the Harvard Business School.

Robert B. Mills has served on our Board of Directors since October 8, 2015. Prior to his retirement, Mr. Mills was Chief Operating Officer of Assured Guaranty, Ltd., the largest financial guaranty insurance company in the world, and was previously its Chief Financial Officer. Mr. Mills began his career at KPMG, where he progressed to partner and was later appointed National Practice Director for Investment Banking and Capital Markets. His career also included serving as Chief Operating Officer and Chief Financial Officer of the Americas Region for UBS, AG. Mr Mills currently serves on the Johns Hopkins University Lyme Research Center Board.

Mr. Mills was awarded a B.B.A in Accounting from Niagara University and is a Certified Public Accountant (CPA) and Certified Global Management Accountant (CGMA).

Mr. Quain has served on the Executive Council of American Securities LLC, a private equity firm, since January 2020. From December 2011 to December 2019, Mr. Quain wasa Senior Advisor at the private equity firm Carlyle Group. From January 2010 through December 2011, Mr. Quain was a Partner at One Equity Partners, a private investmentfirm. From 2006 through 2009, he was a Senior Director and then Managing Director of ACI Capital Corp., a private equity investment firm. From 2002 through 2005,Mr. Quain served as Chairman of Register.com, Inc., a provider of domain name registration and internet services, and from 1997 to 2001 he was employed with ABN AMROBank N.V. and its predecessors in several capacities, including Vice Chairman of Investment Banking. Mr. Quain has served on the board of directors of AstroNova, Inc.(Nasdaq: ALOT), which designs, develops, manufactures and distributes a broad range of specialty printers and data acquisition and analysis systems, where he serves on thecompensation and nominating and governance committees and as chair of the audit committee, since 2011; Digirad Corporation (Nasdaq: DRAD), a diversified holdingcompany with three divisions: Healthcare, Building and Construction, and Real Estate and Investments, where he serves on the audit and corporate governance committees,since 2019; and Kensington Capital Acquisition Corp. (NYSE: KCAC), a special purpose acquisition company formed for the purpose of effecting a merger, stock purchase orsimilar business combination with a business in the automotive and automotive-related sector, where he serves on the audit committee and as chair of the nominating andcorporate governance committee, since 2020. Mr. Quain previously served on the boards of multiple other public and private companies, including Jason Industries, Inc.,DeCrane Aircraft Holdings, Inc., Handy & Harman Ltd., Hardinge Inc., HEICO Corporation, Magnetek, Inc., Mechanical Dynamics, Inc., RBC Bearings Incorporated,Register.com, Inc., Strategic Distribution, Inc., Tecumseh Products Company, Titan International, Inc., and Xerium Technologies, Inc. He is also a Chartered Financial Analyst.