Mr. Steven Mark Bender, also known as Steve, CPA, serves as Managing Director of Vinnolit GmbH & Co. KG. Bender has been Senior Vice President of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP since March 2014 and has been its Chief Financial Officer since March 2014. He has been Chief Financial Officer of Westlake Chemical Corp. since February 26, 2007 and has been its Executive Vice President since August 9, 2017. Mr. Bender served as an Executive Vice President of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP since September 28, 2017 until November 30, 2017 and served as its Treasurer since July 2011. Mr. Mr. Bender served as Senior Vice President of Westlake Chemical Corp. since February 2008 until August 9, 2017. He served as Treasurer of Westlake Chemical Corp. since June 16, 2005 until May 17, 2017, a position previously he served from February 2008 to December 2010. Mr. Bender served as Vice President, Chief Financial Officer and Treasurer at Westlake Chemical Corp. from February 2007 to February 2008 and served as its Vice President and Treasurer from June 2005 to February 2007. Mr. Bender served as Vice President and Treasurer of KBR, Inc. from June 2002 to June 2005. He served as an Assistant Treasurer and Director of International Treasury for Halliburton Company from 1996 to 2002. He served various financial positions within Halliburton Company. Additionally, he served at Texas Eastern Corporation for over a decade in a variety of increasingly responsible audit, finance and treasury positions. He has over 27 years of treasury and finance experience. He has been Director of Westlake Chemical Partners GP Llc since March 2014. Mr. Bender is a Certified Public Accountant. He holds a Bachelor degree in Business Administration from Texas A & M University and an M.B.A from Southern Methodist University.