Carin Barth - Group 1 Independent Director

Ms. Carin Marcy Barth is Independent Director of the Company. She is cofounder and President of LB Capital, Inc., a private equity investment firm established in 1988. Since 2015, Ms. Barth has served on the Board of Directors of Enterprise Holdings, LLC, the General Partner of Enterprise Product Partners, L.P., one of the largest publicly traded partnerships and a leading North American provider of midstream energy services to producers and consumers of natural gas, and Black Stone Minerals, L.P., one of the largest oil and gas mineral and royalty companies in the United States, where she serves as Chair of the Audit Committee. Ms. Barth also serves as a Trustee of the Welch Foundation, and as a oard member of the Ronald McDonald House in Houston, Texas. From 2012 through 2018, Ms. Barth served as Chair of the Investment Advisory Committee for Texas Tech University. From 2008 to 2014, she served as a Commissioner for theTexas Department of Public Safety. Ms. Barth previously served on the Board of Directors of Bill Barrett Corporation where she served on the Compensation Committee and on the Nominating and Corporationrationrate Governance Committee from 2012 through 2016. From 2010 through 2017, she served on the board of directors of Strategic Growth Bancorp Incorporated, a privately held bank holding company located in El Paso, Texas, where she served as Chair of the Audit Committee, and Capital Bank, SSB, an affiliate of Strategic Growth Bancorp. Additional past board service includes Western Refining, Inc. from 2006 through 2016, where she served as Audit Committee Chair, Methodist Hospital Research Institute from 2007 through 2012, Encore Bancshares, Inc. from 2009 through 2012, Amegy Bancorporation, Inc. from 2006 through 2009, Texas Public Finance Authority from 2006 through 2008, and the Texas Tech University System Board of Regents from 1999 through 2005 since 2017.