Directions | Contact | Safety | Jobs ABOUT US MINING AGRICULTURE DRILLING PRODUCTS CONTACT We Want To Hear From You We invite you to contact us with any questions you may have about our products. Our staff will be happy to discuss your specific situation. Office Phone: 701.572.7659 Fax: 701.572.7655 Email: Source@LeonarditeProducts.com Mailing Address PO Box 548, Williston, ND 58802-0548 Plant Address 13375 Highway 1804 Williston, ND 58801 Phone: 701.572.2315 © 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 DIRECTIONS From The West Come in on West 2nd Street Follow the truck route to East 1804 Go about 1.5 miles over a railroad overpass. At the bottom of the overpass turn left (north) into Leonardite Products From The North Go East on Truck Route 85B (Left at Love’s Travel Stop) Follow the Truck Route (East with a right turn to the South) Turn left at the stoplight to go East on 1804 Go about 1.5 miles over a railroad overpass. At the bottom of the overpass turn left (north) into Leonardite Products Directions PDF Google Map © 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 SAFETY Safety and Information Documents Product Label Data Sheet Safety Sheet Heavy Metal HumiSource® HumiSource® Plus HumiSource® Plus Xtra Dry LenOX® Source 11 Source Coarse™ SourceFul® Source X® Source X® Fines Leonardite Safety Leonardite is not hazardous Leonardite in not combustible - yet it will smolder Keep leonardite away from flames and sparks Do not smoke near leonardite Leonardite is not toxic Masks should be worn when handling leonardite Hands should be washed after handling leonardite Dry Product Instructions Caution Hazard Statement: not hazardous material. May cause irritation to the respiratory system, eyes, and skin. Precautionary Statement: Wear a NIOSH-approved respirator, safety glasses, gloves, and any other proper personal protection equipment when handling product. © 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