Effective February 6, 2018, Lonestar Resources US Inc. appointed Jason N. Werth, age 42, as Chief Accounting Officer of the Company. Douglas W. Banister will continue in his role as Chief Financial Officer of the Company but will no longer serve as the Company’s principal accounting officer as of the date of Mr. Werth’s appointment. Prior to joining the Company, Mr. Werth served as Director of Audit at Denbury Resources Inc., where he worked for the past 7 years. Prior to his time at Denbury Resources, Mr. Werth held controller and other accounting positions at Grande Energy and Orix Corporation and has additionally held various audit and assurance positions at PricewaterhouseCoopers, LLP and Arthur Andersen LLP, where he served for a collective 8 years.