Bobby Parker was appointed chairman emeritus of the Board of Directors of the Company, effective March 26, 2019. Mr. Parker served the Company as chairman of the Board of Directors from January 1, 2014 until May 2014. Prior to that, he served as executive chairman of the Board of Directors from October 2012 until January 1, 2014. Mr. Parker stepped down from his role as the interim president and chief executive officer of the Company in October 2012 upon Mr. Rich’s appointment to the office of President and Chief Executive Officer. Having joined the Company in 1973, Mr. Parker served as chief executive officer from 1991 to 2009, and was appointed chairman of the Board of Directors in 2006. He previously was elected Vice President in 1973, Executive Vice President in 1976, and President and Chief Operating Officer in 1977. Mr. Parker is on the Board of Directors of the University of Texas at Austin Development Board and the University of Texas Health Science Center (Houston) Development Board. Mr. Parker is also a member of the Board of Trustees of Schreiner University. Mr. Parker brings significant experience in the oil and gas service industry through his more than 40 years with the Company, and his prior leadership in the International Association of Drilling Contractors and the American Petroleum Institute.