Dorchester Minerals Culture Company

Ms. Leslie A. Moriyama has been Chief Financial Officer at Dorchester Minerals LP since May 18, 2015. Ms. Moriyama most recently served as a Director of Capital Markets and Accounting Advisory Services at PricewaterhouseCoopers LLC from 2014 to 2015. From 2008 to 2014, she served as Manager-Financial Reporting and Director-Accounting of the Mid-Continent Business Unit of Encana Oil & Gas (USA) Inc., a North American energy producer. Ms. Moriyama graduated with Bachelor of Commerce in Accounting and Bachelor of Arts in Economics from the University of Calgary and is a Chartered Accountant.

Ms. Teresa Williams has been a Controller of Dorchester Minerals LP since May 18, 2015. Ms. Williams served as the Dorchester Minerals's Senior Accountant since 2006. She is a Certified Public Accountant.

Mr. Bradley J. Ehrman, also known as Brad, has been Chief Operating Officer of Dorchester Minerals LP since May 18, 2015. Mr. Ehrman served as Dorchester Minerals's Engineering Manager from 2004 to 2011 when he was named Vice President of Operations. Mr. Ehrman graduated with Distinction with a Bachelor of Science in Petroleum Engineering from the University of Alberta and received his MBA from the Jones Graduate School of Management at Rice University.

Leslie Moriyama serves as the Chief Financial Officer of Dorchester Minerals, L.P.. Leslie started at Dorchester Minerals, L.P. in May of 2015. Leslie currently resides in the Dallas/Fort Worth Area.