NITROGEN

Certificate of Analysis By Air-Liquefaction Process Product: NITROGEN NF* Manufacturing Plant: Pryor, OK Address: Hwy 69A & 412 B Pryor, OK 74361 Date / Time: 8/16/2018 9:43:00 AM Lot Number: 037-08/16/2018/09:43 Delivery Unit # (Tanker / Railcar): 037 Quantity / Level / Prossure Gross: 31245 Tare: Net: LBS *NF/EP applies only when used in a medical application or by medical customers properly registered with the FDA Product delivered has been tested for indicated parameters and satisfies the contractually guaranteed purity specifications. Results are nominal values within statistical accuracy of analytical test methods. This certificate does not add to or replace the warranty, limitations of liablilty or other provisions of the agreement between parties. Requirement Test Method Specification Limit Result Nitrogen Diff ≥ 99.999 percent ≥ 99.999 percent Oxygen ** Delta F FAH0100 ≤ 5.00 ppm .68 ppm Odor ** Organoleptic None None Ppm = parts per million by volume ppb = parts per billion by volume *Analysis on storage tank on periodic basis **Analysis of each delivery unit Released By: Released via Electronic Signature: no handwritten signature required (Signature) Kevin N. Shue (Printed Name) QA-046US (08/17) USJS0I00239193000 AutoLand TM nitrogen

• Certificate of Analysis By Air-Liquefaction Process Product: NITROGEN NF* Manufacturing Plant: Pryor, OK Address: Hwy 69A & 412 B Pryor, OK 74361 Date / Time: 8/16/2018 9:43:00 AM Lot Number: 037-08/16/2018/09:43 Delivery Unit # (Tanker / Railcar): 037 Quantity / Level / Prossure Gross: 31245 Tare: Net: LBS *NF/EP applies only when used in a medical application or by medical customers properly registered with the FDA Product delivered has been tested for indicated parameters and satisfies the contractually guaranteed purity specifications. Results are nominal values within statistical accuracy of analytical test methods. This certificate does not add to or replace the warranty, limitations of liablilty or other provisions of the agreement between parties. Requirement Test Method Specification Limit Result Nitrogen Diff ≥ 99.999 percent ≥ 99.999 percent Oxygen ** Delta F FAH0100 ≤ 5.00 ppm .68 ppm Odor ** Organoleptic None None Ppm = parts per million by volume ppb = parts per billion by volume *Analysis on storage tank on periodic basis **Analysis of each delivery unit Released By: Released via Electronic Signature: no handwritten signature required (Signature) Kevin N. Shue (Printed Name) QA-046US (08/17) USJS0I00239193000 AutoLand TM nitrogen