Trecora Resources ("Trecora") announced that Karen A. Twitchell has been appointed Chair of the Company's Board of Directors (the "Board"), effective February 13, 2019. Ms. Twitchell, who has served as an independent director since 2015, will replace Nicholas N. Carter. Mr. Carter will remain a director. Ms. Twitchell joined Trecora's Board in May 2015. Ms. Twitchell has over 35 years of experience in financial management, including financings and capital structures, mergers and acquisitions, investor relations, accounting matters and enterprise risk management. She serves on the public company board of Kraton Corporation and previously served on the board of KMG Chemicals. From 2010 until her retirement in 2013, Ms. Twitchell served as the Executive Vice President and Chief Financial Officer of Landmark Aviation.