Michael T. McDonnell has 25 years of experience in management and executive roles and serves as TPC Group Chief Executive Officer and President and serves as a member of the board of directors. Mr. McDonnell joined TPC Group from Pregis Corporation, a leading global provider of innovative protective, flexible and food service packaging and hospital supply products, where he served as President and Chief Executive Officer. In this role, he built a standalone corporation from its prior parent company, Pactiv. Prior to this, Mr. McDonnell was Group Vice President, Environmental Technologies of Engelhard Corporation, from 2002 to 2006; and Vice President of a chemicals division for Cytec Industries, Inc., from 1998 to 2002. In his roles at Engelhard and Cytec, Mr. McDonnell grew global businesses of specialty chemicals and materials focused on value-added products. Early in his career he also served in progressively responsible management roles with Henkel Corporation and DuPont. Mr. McDonnell earned his B.S. in chemical engineering from Penn State University and his M.A. in economics from University of Massachusetts Amherst.

Eugene R. Allspach was appointed Senior Vice President – Corporate Development in September 2011. Mr. Allspach has served as a member of the board of directors since February 2011. Prior to joining TPC Group, Mr. Allspach was President of E.R. Allspach & Associates, LLC, a company providing consulting services to new business development activities in the petrochemical industry, since 2003. Mr. Allspach has nearly 38 years of experience in the plastics and chemical industries. He served as President and Chief Operating Officer of Equistar Chemicals LP, a joint venture of Lyondell Chemical Company, Millennium Petrochemicals, and Occidental Chemical Company, from December 1997 to March 2002. He served as Group Vice President, Manufacturing and Technology for Millennium Petrochemicals (formerly, Quantum Chemical Company) from 1993 to 1997. From 1988 to 1997, Mr. Allspach held several different executive management positions with Millennium, Inc. and Millennium Petrochemical, including Group Vice President, Manufacturing and Manufacturing Services and Vice President, Specialty Polymers and Business Development. Mr. Allspach served at Millennium Petrochemicals or its predecessor from 1973 to 1988, and also served in various production management and process engineering capacities from 1973 to 1982. Mr. Allspach served as President of EVAL Company of America from 1985 to 1988. He is a member of the boards of directors of A. Schulman, Inc. and The Plaza Group and a past board member of the American Chemistry Council, the American Plastics Council and the National Petrochemical and Refiners Association. He is a board member of Christus Foundation for HealthCare and is a Trustee on the University of Cincinnati Foundation Board. Mr. Allspach holds a B.S. in Chemical Engineering from University of Cincinnati, an M.S. in Chemical Engineering from Rice University and has completed the University of Pennsylvania, Wharton Advanced Management School.

Micheal Bloesch was appointed Vice President – Strategic Initiatives in January, 2011. With more than 19 years of industry experience, he is responsible for development and implementation of the Company's growth initiatives, including the announced return to service of our butane dehydrogenation process. Prior to his current role, Mr. Bloesch served as Vice President- Strategic Planning & Isobutylene / Propylene Derivatives Business Management, where he led business development and business analysis for the Company, along with commercial responsibility for the Company's isobutylene and recently developed propylene derivatives business. Mr. Bloesch also led the business operations due diligence process for the Company's acquisition of our Port Neches operations site, along with its subsequent integration and synergy achievement. His experience includes roles in strategic planning, commercial, supply chain, engineering, sales & operations planning, business analysis, procurement, business development, due diligence, & acquisitions. Mr. Bloesch holds a B.S. in Chemical Engineering from Mississippi State University, and an M.B.A. with concentration in Finance from the University of Houston.

Russell T. Crockett was appointed Senior Vice President, Commercial in September 2008. From April 2001 to January 2008, Mr. Crockett previously served as Vice President, Chemical Sales Americas for LyondellBasell Industries. He has also served as Vice President Responsible Care and Engineering, Hydrocarbons Plant Manager - Channelview, Business Director, Aromatics & Fuels and Treasury Management support for Lyondell Chemical Company from January 1996 to April 2001. Mr. Crockett began his career with EI Dupont de Nemours & Co., serving in successive business and operations assignments. Mr. Crockett holds an M.B.A. from University of Michigan and a B.S. in Chemical Engineering from Carnegie-Mellon University.

Sandra Davis has been with our Company since November 2000. In October 2008 she was appointed Vice President of Business Performance & Analysis supporting business strategy and company performance. Ms. Davis has nearly 26 years experience in specialty polymers, lube and fuel additives technology. She has held various positions in operations, strategic planning, technical, product management, marketing and new business development. Prior to joining our Company, Ms. Davis held various technical and business assignments at ExxonMobil. Ms. Davis received a B.S. in Chemical Engineering and an M.B.A. from Rutgers University.

Miguel A. Desdin was appointed Senior Vice President and Chief Financial Officer of the Company in June 2010. Prior to joining the Company, Mr. Desdin served as Senior Vice President and Chief Financial Officer of Furmanite Corporation from April 2009 to December 2009. He also held senior leadership roles with Celanese Corporation, serving as Vice President and Controller from July 2007 to April 2009 and as Vice President, Financial Planning and Analysis from September 2005 to June 2007. Previously, Mr. Desdin was employed by Great Lakes Chemical Corporation, serving as Vice President and Treasurer from January 2004 to August 2005 and as Vice President of Finance, Performance Chemicals from September 2001 to December 2003. Mr. Desdin's prior experience includes strategic planning and all finance-related functions, including accounting, treasury, financial planning and analysis, investor relations and SEC reporting. He holds a Masters in Business Administration in Finance from the University of Pennsylvania, Wharton School, and a Bachelor of Science in Industrial and Systems Engineering from the University of Florida.

Shelly Heuser was appointed as Vice President of Supply Chain in May 2010. Prior to joining our Company, Ms. Heuser served as Vice President of Manufacturing at LyondellBasell Industries from May 2008 to May 2010. She has more than 20 years of industry experience and has held various leadership positions in engineering, operational excellence, site management, human resources and operations planning. Ms. Heuser received a B.S. in Chemical Engineering from the University of Oklahoma and an M.B.A. from the University of Houston-Clear Lake.

Rishi A. Varma serves as TPC Group Vice President and General Counsel. Mr. Varma has more than 14 years experience as an attorney and more than six years serving in management and executive roles throughout his career. Prior to joining TPC Group, Mr. Varma served in a senior leadership role with Trico Marine Services, Inc., a global provider of subsea, trenching and installation, and towing and supply services, serving as President and Chief Operating Officer from January 2010 to August 2010; Senior Vice President, Chief Administrative Officer and General Counsel from March 2007 to December 2009; and General Counsel from April 2005 to March 2007. Prior to Trico Marine Services, Inc., he was employed by EGL, Inc., an international freight forwarding company, serving as Securities Counsel and Director of Investor Relations from February 2003 to April 2005. He was also a consultant and Acting General Counsel for Technology Holdings (India) Pvt. Ltd., a global merger and acquisitions firm, from June 2002 to January 2003; and previously was an associate with the law firms of Brobeck, Phleger & Harrison LLP and Rosenman & Colin LLP. Mr. Varma earned his B.A. in political science from Georgetown University and a jurisprudence doctorate from Georgetown University Law Center.

Michael S. White serves as TPC Group Senior Vice President, Operations. Mr. White has more than 32 years of experience serving in management and executive management roles within manufacturing and environmental, health and safety. Prior to joining TPC Group, Mr. White had served as Senior Vice President, Operations for SunCoke Energy since July 2008. He also served as Vice President, Chemicals Manufacturing for Sunoco from 2003 to 2008 and worked for Lyondell-Equistar from 1989 to 2003 where he held roles of increasing responsibility including plant manager, general manager manufacturing, and Vice President Health, Environment, and Safety. From 1980 to 1989 he worked for Exxon in both the refining and chemicals businesses, including a two year assignment in Italy. Mr. White holds a B.S. degree in Chemical Engineering from Rensselaer Polytechnic Institute.

Mr. Whitlow brings more than 30 years of diversified experience in both small and large companies, including commodity and specialty chemicals, oil and gas, money management and banking. Prior to joining TPC, he was a consultant for Tatum Partners, LLP, an executive services and consulting firm. Before this he served as Sr. VP, CFO and Treasurer of Borden Chemicals and Plastics, a Master Limited Partnership traded on the NYSE with annual revenue of $500 million. He also served as the senior financial officer for CONDEA Vista Company, the successor of Vista Chemical Company, one of the world's largest surfactant chemical company's and the fifth largest producer of polyvinyl chloride in the United States. Mr. Whitlow holds a BS from Oklahoma State University and an MBA from Oklahoma City University.

Roger Wollenberg was appointed as Vice President and Corporate Controller in September 2006. Mr. Wollenberg previously served as global controller for the Epoxy and Coatings Resins Division of Hexion Specialty Chemicals and global controller for Resolution Performance Products, from 2003 to 2006, where he was responsible for worldwide accounting, management and SEC reporting and Sarbanes-Oxley compliance. Mr. Wollenberg has a B.S. in Accounting from Ohio State University and is a Certified Public Accountant.