Lynn L. Bourdon III , , , Chairman, President and Chief Executive Officer

Mr. Bourdon was appointed Chairman, President and Chief Executive Officer in December 2015. He also serves as Chairman of the Board of Directors of the General Partner. Most recently, Mr. Bourdon served as President and Chief Executive Officer of Enable Midstream Partners, LP. Prior to Enable Midstream, he served as Group Senior Vice President of NGL & Natural Gas Marketing, Petrochemical, Refined Products & Marine Services at Enterprise Products Partners, LP. Mr. Bourdon joined Enterprise as Senior Vice President of NGL Supply & Marketing in 2003 and served in various senior management positions during his tenure. Prior to his employment at Enterprise Products, Mr. Bourdon served as Senior Vice President and Chief Commercial Officer for Orion Refining Corporation. He also held leadership positions at En*Vantage, PG&E Gas Transmission and Valero, and earlier served in various capacities at the Dow Chemical Company. Lynn received a Bachelor of Science degree in mechanical engineering from Texas Tech University and an MBA from the University of Houston.

Stephen W. Bergstrom , , , Director

Mr. Bergstrom was elected as a member of the Board of Directors in April 2013 in connection with his affiliation with ArcLight Capital Partners LLC (“ArcLight”), which controls our General Partner, and due to his breadth of experience in the energy industry. He served as President and Chief Executive Officer of the General Partner and as Executive Chairman of the Board of Directors of the General Partner from May 2013 to December 2015. Mr. Bergstrom has been acting as an exclusive consultant to ArcLight since 2002, assisting ArcLight in connection with its energy investments. Prior to his consultancy with ArcLight, Mr. Bergstrom worked from 1986 to 2002 for Natural Gas Clearinghouse, which became Dynegy Inc. Mr. Bergstrom acted in various capacities at Dynegy, ultimately serving as President and Chief Operating Officer. Prior to his time at Dynegy, Mr. Bergstrom acted as a gas supply representative for Northern Natural Gas from 1981 to 1986. He began his career at Transco from 1980 to 1981. Mr. Bergstrom earned a Bachelor of Science from Iowa State University.

John F. Erhard , , , Director

John F. Erhard was elected as a member of the Board of Directors in April 2013; he was appointed to the board in connection with his affiliation with ArcLight Capital Partners LLC (“ArcLight”), which controls our General Partner. Mr. Erhard, a Managing Director at ArcLight, joined the firm in 2001 and has 14 years of energy finance and private equity experience. Prior to joining ArcLight, he was an Associate at Blue Chip Venture Company, a venture capital firm focused on the information-technology sector. Mr. Erhard began his career at Schroders, where he focused on mergers and acquisitions. He previously served on the Board of Directors of Patriot Coal. In addition, Mr. Erhard has experience in the MLP sector, having served on the Board of Directors of Buckeye GP Holdings (NYSE: BGH), the publicly traded General Partner of Buckeye Partners (NYSE: BPl). Mr. Erhard earned a Bachelor of Arts in Economics from Princeton University and a Juris Doctor from Harvard Law School.

Peter A. Fasullo , , , Director

Mr. Fasullo co-founded En*Vantage, Inc., in March 1999, an energy investment and strategic management consulting firm that provides advisory services to energy and financial companies, having advised more than 300 clients in the energy and financial industries. In March 2016, En*Vantage was cited by Morgan Stanley as a leading energy consultancy. Prior to forming En*Vantage, Mr. Fasullo was with Valero Energy in various executive management positions in Valero’s midstream and refining businesses from 1983 to 1997. Shortly thereafter, Mr. Fasullo was hired to lead MAPCO Inc.'s corporate and business development department and helped merge MAPCO into the Williams Companies in 1998. From 1976 to 1980, Mr. Fasullo was a process engineer with M.W. Kellogg and from 1980 to 1983, he was a market consultant with PACE Consultants and Engineers advising midstream and refining companies. Mr. Fasullo earned a Bachelor of Arts and a Master of Chemical Engineering degree from Rice University, and a MBA from the University of Houston.

Donald R. Kendall, Jr. , , , Director

Donald R. Kendall Jr. was elected a member of the Board of Directors of our General Partner in July 2013. Mr. Kendall serves as an independent director and as a member of the Audit Committee. He is currently Managing Director and Chief Executive Officer of Kenmont Capital Partners LP, an investment-management firm based in Houston, specializing in alternative investments and private equity. Prior to joining Kenmont, Mr. Kendall was a Portfolio Manager for Carlson Capital LP, President of Cogen Technologies Capital Company LP, Chairman and Chief Executive Officer of Palmetto Partners, Ltd., and a Managing Director in the project finance and leasing group at Credit Suisse First Boston. Mr. Kendall also serves as a director of SolarCity, Stream Energy, and Tangent Energy Solutions. In addition, he serves in various capacities at not-for-profit organizations, including The Jane Goodall Institute, The Houston Zoo Conservation Committee, and Earthwatch International. He is also on the Board of Overseers of Tuck School of Business at Dartmouth College. Mr. Kendall received a Bachelor of Arts from Hamilton College and an MBA with high honors from the Tuck School of Business. He was a Tuck Scholar and a recipient of the W.M. Bollenbach Jr. Fellowship.

Daniel R. Revers , , , Director

Daniel R. Revers was elected as a member of the Board of Directors in April 2013 and was appointed to the board in connection with his affiliation with ArcLight Capital Partners, LLC ("ArcLight"), which controls our General Partner. Mr. Revers is Managing Partner of and a co-founder of ArcLight and has 24 years of energy finance and private equity experience. Mr. Revers manages the Boston office of ArcLight and is responsible for overall investment, asset management, strategic planning, and operations of ArcLight and its funds. Prior to forming ArcLight in 2000, Mr. Revers was a Managing Director in the Corporate Finance Group at John Hancock Financial Services (“John Hancock”), where he was responsible for the origination, execution, and management of a $6 billion portfolio consisting of debt, equity, and mezzanine investments in the energy industry. Prior to joining John Hancock in 1995, Mr. Revers held various financial positions at Wheelabrator Technologies Inc., where he specialized in the development, acquisition, and financing of domestic and international power and energy projects. Mr. Revers earned a Bachelor of Arts in Economics from Lafayette College and a Master of Business Administration from the Tuck School of Business at Dartmouth College.

Joseph W. Sutton , , , Director

Joseph W. Sutton was elected as a member of the Board of Directors in May 2013 and serves as a member of the Audit Committee of our General Partner. Mr. Sutton is the founder and owner of Sutton Ventures Group ("SVG") and has many years of energy industry experience. SVG, through its affiliates, has been actively involved as an owner, operator, developer and investor in numerous energy businesses. These include midstream businesses focused on gathering and processing of oil and natural gas, electric power generation, and upstream exploration and production of oil and natural gas. Another affiliate of SVG is Consolidated Asset Management Services ("CAMS"), which is a service business that provides management, operations, accounting and technical capabilities throughout the United States. CAMS is currently involved with more than 60 power plants, 12 exploration and production companies, and several midstream businesses. Prior to forming SVG, Mr. Sutton was Vice Chairman of Enron Corp. He is credited with helping to form Enron's international business and was responsible for developing and managing an international energy portfolio of more than $7 billion in assets. Before joining Enron, Mr. Sutton was a career officer in the U.S. Army and retired at the rank of Colonel. During his time in the Army he held numerous command assignments in armor, armored cavalry, and aviation, served two tours of duty in the Pentagon and was an Army Ranger. Mr. Sutton holds BBA, MS and MBA degrees from Ohio, Indiana, and Long Island Universities, respectively. He is a member of the Board of Directors of Ameresco (NYSE: AMRC), where he is lead Director and serves on the Audit Committee and is Chairman of the Compensation Committee. He currently serves on many not for profit boards of directors. Mr. Sutton is also a Limited Partner in the Houston Texans NFL organization.

Lucius H. Taylor , , , Director

Lucius H. Taylor was elected as a member of the Board of Directors in April 2013 and was appointed to the board in connection with his affiliation with ArcLight Capital Partners LLC (“ArcLight”), which controls our General Partner. Mr. Taylor is a Principal at ArcLight, which he joined in 2007. Mr. Taylor has over 14 years of experience in energy and natural resource finance and engineering. In addition, Mr. Taylor serves on the Board of Directors of a privately held, midstream-focused ArcLight portfolio company. Prior to joining ArcLight, Mr. Taylor was a Vice President in the Energy and Natural Resource Group at FBR Capital Markets, where he focused on raising public and private capital for companies in the power and energy sectors. Mr. Taylor began his career as a Geologist and Project Manager at CH2M Hill Inc. Mr. Taylor earned a Bachelor of Artsin Geology from Colorado College, a Master of Science in Hydrogeology from the University of Nevada, and an MBA from the Wharton School at the University of Pennsylvania.

Gerald A. Tywoniuk , , , Director

Gerald A. Tywoniuk was elected as a member of the Board of Directors of our General Partner in May 2011. Mr. Tywoniuk also serves as Chairman of the Audit Committee of our General Partner. With regard to the Audit Committee, he also qualifies as an “audit committee financial expert.” Mr. Tywoniuk has more than 30 years of management, finance and accounting experience and has held various positions in public-energy master limited partnerships. Mr. Tywoniuk also serves as a director of the General Partner of Oxford Resource Partners LP. In addition to his board of director roles, Mr. Tywoniuk provides interim and project CFO services. Most recently, he has served as part-time Sr. Consultant to the CFO and interim Senior Vice President, Finance of Ciber Inc., a global information technology services company, since May 2010. From June 2008 until August 2013, he held various management and finance roles, including Plan Representative, acting Chief Executive Officer, and Chief Financial Officer of Pacific Energy Resources Ltd., an oil production company. He previously served as CFO of Pacific Energy Partners LP, an oil and refined products pipeline and storage partnership (2002 to 2006), and MarkWest Energy Partners LP and its predecessor, principally a natural gas and liquids midstream services partnership (1997 to 2002). Mr. Tywoniuk received a Bachelor of Commerce degree from the University of Alberta, Canada, and is a Canadian Chartered Accountant.