Board of Directors

Retired President and CEO, general partner of Oiltanking Partners, L.P. and Oiltanking Holding Americas, Inc.
Ms. Ainsworth served as President and Chief Executive Officer of the general partner of Oiltanking Partners, L.P. and of Oiltanking Holding Americas, Inc. (collectively “Oiltanking”), companies engaged in the terminaling, storage and transportation by pipeline of crude oil, refined petroleum products and liquefied petroleum gas, from 2012 until her retirement in 2014. Prior to joining Oiltanking, Ms. Ainsworth served as Senior Vice President, Manufacturing, for Sunoco, Inc. and before that served for 30 years in various managerial positions in the United States refining industry. Ms. Ainsworth serves as a member of the Audit Committee. She is also a director and member of the audit committee of Archrock, Inc., a director and member of the audit committee of Pembina Pipeline Corporation and a director of HollyFrontier Corporation and a former director of Seventy Seven Energy Inc.

Ms. Ainsworth has over 35 years of experience in executive and managerial positions in the United States refining industry with companies providing services for products that included crude oil and refined petroleum products, which constitute a significant percentage of the cargoes carried by the Company’s marine transportation business. She also has served as Chief Executive Officer of a public company.
Retired Chairman, President and CEO of Key Energy Services, Inc.
Mr. Alario served as Chief Executive Officer and a director of Key Energy Services, Inc. (“Key Energy”), a publicly traded oilfield service company listed on the NYSE, from 2004 until his retirement in March 2016. Prior to joining Key Energy, Mr. Alario served as Vice President of BJ Services Company, an oilfield service company, from 2002 to 2004, and served for over 21 years in various capacities, most recently Executive Vice President, of OSCA, Inc., also an oilfield service company. He serves as Chairman of the Governance Committee, is a member of the Audit Committee and has been chosen by the non-management directors to serve as the presiding director at executive sessions of the non-management directors. He currently serves as Ex-Officio Chairman and Executive Committee member of the National Ocean Industries Association. Mr. Alario is a director and chairman of the compensation committee of Distribution Now.

Mr. Alario has over 35 years of experience in the oilfield service business, serving as Chief Executive Officer with both operating and financial responsibility for one of the largest oilfield service companies in the United States. That experience is valuable to the Board in its oversight of the Company’s distribution and services business which serves the oilfield services industry as a significant part of its customer base. As a former public company Chief Executive Officer, Mr. Alario adds that perspective to the collective experience of the independent directors.
Executive Chairman of Enlink Midstream GP, LLC and Enlink Midstream Manager, LLC
Mr. Davis is Executive Chairman of both EnLink Midstream GP, LLC, the general partner of EnLink Midstream Partners, LP, and EnLink Midstream Manager, LLC, the managing member of EnLink Midstream, LLC. EnLink Midstream Partners, LP and EnLink Midstream, LLC (collectively “EnLink Midstream”) are both publicly traded and listed on the New York Stock Exchange (“NYSE”). Mr. Davis served as President, Chief Executive Officer and a director of EnLink Midstream from 2014 to January 2018. Prior to the formation of EnLink Midstream in 2014 through the combination of Crosstex Energy and substantially all of the United States midstream assets of Devon Energy, Mr. Davis had served since 1996 as President and Chief Executive Officer of Crosstex Energy, as a director of Crosstex Energy since 2002 and in management roles with other companies in the energy industry since 1984. Mr. Davis serves as a member of the Audit Committee and the Compensation Committee. He is also a member and former president of the Natural Gas and Electric Power Society and the Dallas Wildcat Committee.

EnLink Midstream provides midstream energy services, including gathering, transmission, processing, fractionation, brine services and marketing of natural gas, natural gas liquids, condensate and crude oil. EnLink Midstream’s assets include an extensive pipeline network, processing plants, fractionation facilities, storage facilities, rail terminals, barge and truck terminals and an extensive fleet of trucks. Mr. Davis has extensive knowledge and experience in the transportation of hydrocarbons, which is the primary business of EnLink Midstream and its predecessors.
Chairman Emeritus of Teekay Corporation
Mr. Day is Chairman Emeritus of Teekay Corporation, a diversified foreign flag shipping group. He serves as Chairman of the Compensation Committee and is a member of the Governance Committee. He is also a member of the Board of Teekay GP L.L.C., the general partner of Teekay LNG Partners L.P., and Chairman of Compass Diversified Holdings.

Mr. Day has over 45 years of experience in the marine transportation business, serving for the past 20 years as Chairman of one of the largest tanker companies in the world and 10 years before that as chief executive officer of an international bulk shipping company. In addition, Mr. Day has been active in the private equity investment business for the last 33 years, gaining extensive experience in financial management and analysis.
President and Chief Executive Officer of Kirby Corporation
Mr. Grzebinski has served as President and Chief Executive Officer of the Company since April 2014. He served as President and Chief Operating Officer of the Company from January 2014 to April 2014, Executive Vice President from March 2010 to January 2014, as Chief Financial Officer from March 2010 to April 2014 and as Chairman of the Company’s principal offshore marine transportation subsidiary from February 2012 to April 2013. Prior to joining the Company in February 2010, he served in various administrative and operating positions with FMC Technologies Inc. (“FMC”), a global provider of advanced technology systems and products for the energy industry, including Controller, Energy Services, Treasurer, and Director of Global SAP and Industry Relations. Prior to joining FMC, he was employed by The Dow Chemical Company.

Mr. Grzebinski has primary responsibility for the business and strategic direction of the Company and is an essential link between the Board and the Company’s day-to-day operations. He has overall knowledge of all aspects of the Company, its operations, customers, financial condition and strategic planning.
Retired Executive Vice President, Chemicals, of Flint Hills Resources, LP
Mr. Miller is a consultant and private investor. He served as Executive Vice President, Chemicals, of Flint Hills Resources, LP (“Flint Hills”), a company engaged in crude oil refining, transportation and marketing, and the production of petrochemicals, from 2003 to 2006. From 1999 to 2003, he was Senior Vice President of Koch Chemical Company, a predecessor company of Flint Hills. Mr. Miller serves as a member of the Compensation Committee and the Governance Committee.

Mr. Miller has 30 years of experience in the petrochemical and refining business. A significant volume of petrochemical products and refined petroleum products are transported coastwise and on the inland waterways and petrochemicals and refined petroleum products represent a major portion of the Company’s business, so Mr. Miller’s extensive knowledge about petrochemical and refining companies, which constitute a substantial part of the Company’s customer base, as well as the products they ship and the end users of the products, is valuable to the Board. He also has experience in developing and administering incentive compensation programs at companies similar in size to the Company.
Chairman of the Board
Mr. Pyne is the Chairman of the Board of the Company. Mr. Pyne is also a director and member of the audit and compensation committees of DHT Holdings, Inc. and a director and member of the compensation committee of Genesee & Wyoming Inc.

Mr. Pyne has been with the Company for 40 years, having served as President of its principal marine transportation subsidiary before serving as President and Chief Executive Officer of the Company from 1995 to 2010 and then as Chairman of the Board, President and Chief Executive Officer or Chairman of the Board and Chief Executive Officer of the Company until April 2014. Mr. Pyne has extensive knowledge of all aspects of the Company, its history, operations, customer base, financial condition and strategic planning. He has long been active in industry associations that, among other benefits, monitor significant legislative and regulatory developments affecting both the marine transportation and distribution and services businesses.
Retired President and CEO of GE Aero Energy
Mr. Stewart served as President and Chief Executive Officer of GE Aero Energy, a division of GE Energy, and as an officer of General Electric Company, from 1998 until his retirement in 2006. From 1972 to 1998, Mr. Stewart served in various positions at Stewart & Stevenson Services, Inc. (“Stewart and Stevenson”), including Group President and member of the Board of Directors. He serves as Chairman of the Audit Committee. Mr. Stewart is also a director of Exterran Corporation and serves on its audit and compensation committees, a director and Chairman of Eagle Materials Inc. and a former director of Lufkin Industries, Inc.

During a 35-year business career, Mr. Stewart has been the principal executive officer with both operating and financial responsibility for the diesel engine and gas turbine power and service businesses at Stewart & Stevenson and then at GE Aero Energy. Mr. Stewart’s extensive experience in the diesel engine business is valuable to the Board in its oversight of the Company’s distribution and services business and complements the marine transportation and petrochemical industry experience of a number of the Company’s other directors.
Retired President and CEO of Penn Maritime Inc.
Mr. Waterman served as President and Chief Executive Officer of Penn Maritime Inc. (“Penn”) from 1983 through 2012 until the acquisition of Penn by the Company in 2012. Penn was a coastal tank barge operator, transporting primarily refinery feedstocks, asphalt and crude oil along the East Coast and Gulf Coast of the United States. He is also a director and past Chairman of The American Waterways Operators, the national trade association for the United States barge industry. Mr. Waterman serves as a member of the Governance Committee.

Mr. Waterman has over 36 years of experience in the coastal tank barge business with Penn and its predecessor companies, building Penn into one of the largest coastal tank barge operators in the United States. Mr. Waterman’s extensive experience in that business and knowledge of its markets and customers are valuable to the Board in its oversight of the Company’s coastal business and complement the inland marine transportation, midstream energy services and petrochemical industry experience of other Company directors.