Directions | Contact | Safety | Jobs ABOUT US MINING AGRICULTURE DRILLING PRODUCTS LEONARDITE OXIDIZED BY GLACIAL WATERS Leonardite Products mines and processes leonardite, a natural form of humates. The geography in Northwestern North Dakota holds unique leonardite deposits. Once dried and sized, leonardite is useful to several industries. The managers at Leonardite Products are also the owners. The words responsible and efficient apply to the Leonardite Products team and our customers who use leonardite. Learn About Our Process We mine and process our leonardite from the prairie in two to three-acre sections approximately 20 feet deep. By mining small areas, the ecosystem is not drastically disturbed and the area wildlife has ample room to thrive. READ MORE Product Safety Resources Here’s where you’ll find all of the safety and technical data sheets for each of our products. Everything you need to know right at your fingertips. READ MORE © 2021 Leonardite Products. All rights reserved. Site by DAWA HELPFUL LINKS Directions Safety Data Sheets The Mine Our Process Jobs Humic Products Trade Association CONTACT US PLANT 13375 Highway 1804 Williston, ND 58801 701.572.2315 701.572.7659 Source@LeonarditeProducts.com LOADING HOURS 8 am to 3 pm CT Monday — Friday

Directions | Contact | Safety | Jobs ABOUT US MINING AGRICULTURE DRILLING PRODUCTS JOBS Join Our Team We are located in the beautiful Williston Basin of western North Dakota. we are looking for team players with a great attitude and eagerness to learn. We’ll show you the ropes. Current Job Openings Processing Crew Member Overnight Plant Supervisor Apply For Job If you are interested please complete the application and email to source@leonarditeproducts.com or apply at ND Job Service. © 2021 Leonardite Products. All rights reserved. Site by DAWA HELPFUL LINKS Directions Safety Data Sheets The Mine Our Process Jobs Humic Products Trade Association CONTACT US PLANT 13375 Highway 1804 Williston, ND 58801 701.572.2315 701.572.7659 Source@LeonarditeProducts.com LOADING HOURS 8 am to 3 pm CT Monday — Friday