OXYGEN

Certificate of Analysis – Oxygen USP Product: Oxygen USP Date Facility Name Facility Address Lot # Batch # Final Analysis Results Analyzer # Test / Units USP Specs Analysis Results N/A Odor None % O₂ ≥99.0% % (Messer Spec ≥99.50%) ppm H₂O N/A ppm ppm THC N/A ppm N/A % CO ≤ .001 *** N/A % CO₂ ≤ .03 *** NT = not tested *** = This product was manufactured by Air Liquefaction and testing is exempt under the USP compendium. The methodology used to perform the USP test: Paramagnetic Analyzer Manufacturer/Model #: This analyzer has been validated by Messer as acceptable alternatives to the official USP for Oxygen Assay. Validation study documentation is maintained by Messer at the corporate offices. Analyst Date Quality Reviewer Date Should the material not be delivered to a USP customer, the material is “Not Approved for Human Drug Use.” Oxygen Refrigerated Liquid COA; Certificate of Analysis – Oxygen USP Product: Oxygen USP Date Facility Name Facility Address Lot # NDA 205818 Batch # NADA 141374 Final Analysis Results Analyzer # Test / Units USP Specs Analysis Results N/A Odor None % O₂ ≥99.0% % (Messer Spec ≥99.50%) ppm H₂O N/A ppm ppm THC N/A ppm N/A % CO ≤ .001 *** N/A % CO₂ ≤ .03 *** NT = not tested *** = This product was manufactured by Air Liquefaction and testing is exempt under the USP compendium. The methodology used to perform the USP test: Paramagnetic Analyzer Manufacturer/Model #: This analyzer has been validated by Messer as acceptable alternatives to the official USP for Oxygen Assay. Validation study documentation is maintained by Messer at the corporate offices. Analyst Date Quality Reviewer Date Should the material not be delivered to a USP customer, the material is “Not Approved for Human Drug Use.” oxygen pr 2025

• Certificate of Analysis – Oxygen USP Product: Oxygen USP Date Facility Name Facility Address Lot # Batch # Final Analysis Results Analyzer # Test / Units USP Specs Analysis Results N/A Odor None % O₂ ≥99.0% % (Messer Spec ≥99.50%) ppm H₂O N/A ppm ppm THC N/A ppm N/A % CO ≤ .001 *** N/A % CO₂ ≤ .03 *** NT = not tested *** = This product was manufactured by Air Liquefaction and testing is exempt under the USP compendium. The methodology used to perform the USP test: Paramagnetic Analyzer Manufacturer/Model #: This analyzer has been validated by Messer as acceptable alternatives to the official USP for Oxygen Assay. Validation study documentation is maintained by Messer at the corporate offices. Analyst Date Quality Reviewer Date Should the material not be delivered to a USP customer, the material is “Not Approved for Human Drug Use.” Oxygen Refrigerated Liquid COA
• Certificate of Analysis – Oxygen USP Product: Oxygen USP Date Facility Name Facility Address Lot # NDA 205818 Batch # NADA 141374 Final Analysis Results Analyzer # Test / Units USP Specs Analysis Results N/A Odor None % O₂ ≥99.0% % (Messer Spec ≥99.50%) ppm H₂O N/A ppm ppm THC N/A ppm N/A % CO ≤ .001 *** N/A % CO₂ ≤ .03 *** NT = not tested *** = This product was manufactured by Air Liquefaction and testing is exempt under the USP compendium. The methodology used to perform the USP test: Paramagnetic Analyzer Manufacturer/Model #: This analyzer has been validated by Messer as acceptable alternatives to the official USP for Oxygen Assay. Validation study documentation is maintained by Messer at the corporate offices. Analyst Date Quality Reviewer Date Should the material not be delivered to a USP customer, the material is “Not Approved for Human Drug Use.” oxygen pr 2025