No. 0514.02) Revised 09/21/2021 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 POLYMER DIAGNOSTICS INC. 33587 Walker Road Avon Lake, OH 44012 Ana De La Ree Phone: 440-930-3271 CHEMICAL Valid To: December 31, 2021 Certificate Number: 0514.02 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following rubber and plastics tests: Test Description: Test Method or Standard: Analysis of Volatile Contaminants from Polymers (Chromatography) VDA 277 FTIR (Fourier Transform Infrared) Spectroscopy ASTM E1252 (Except 7.6, 11.2, and 11.4) Flammability Horizontal Burn of Self-Supporting Plastics ASTM D635; UL 94; IEC 60695-11-10 Horizontal Burn of Materials Used in Occupant Compartments of Motor Vehicles ASTM D5132; FMVSS 302 (49 CFR 571.302); ISO 3785 Vertical Burn, 20 mm ASTM D3801; UL 94; IEC 60695-11-10 Vertical Burn, 125 mm ASTM D5048; UL 94; IEC 60695-11-20 Oxygen Index ASTM D2863 FT1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.3 Cable Flame Test UL1581, Clause 1061 VW1 Flame Test UL1581, Clause 1080; UL2556/CSA C22.2 No 2556, Clause 9.4 FT2/FH Flame Test UL1581, Clause 1100; UL2556/CSA C22.2 No 2556, Clause 9.1 FV-1 Flame Test UL1581, Clause 1060; UL2556/CSA C22.2 No 2556, Clause 9.5 Thin Material Burning Test UL-94 Glow Wire Test IEC 60695 2-10, 2-11, 2-12, 2-13 RVCM in PVC ASTM D4443 (A2LA Cert. No. 0514.02) Revised 09/21/2021 Page 2 of 2 Test Description: Test Method or Standard: Thermal Analysis DSC (Differential Scanning Calorimetry) ASTM D3418, E794, E1356 TGA (Thermogravimetric Analysis) ASTM E1131 Karl Fischer Moisture Content ASTM D6869 Phthalate Determination by CPSIA CPSC-CH-C1001-09.3, CPSC-CH-C1001-09.4 1 The Consumer Product Safety Improvement Act (CPSIA) requires that every children's product subject to a federal consumer product safety requirement be tested by a Consumer Product Safety Commission (CPSC) accepted laboratory for compliance with the applicable federal children's product safety requirements.

Products Colorant Chromatics™ Evoluscend™ Non-PFAS High-Temperature Mold Release Additive Vinyl Powder Coating and Dip Molding

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. Buyer must notify Seller of such acquisition within 10 (ten) days thereof.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. Buyer must notify Seller of such acquisition within 10 (ten) days thereof.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. Buyer must notify Seller of such acquisition within 10 (ten) days thereof.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. Buyer must notify Seller of such acquisition within 10 (ten) days thereof.

Colorant Chromatics™ Evoluscend™ Non-PFAS High-Temperature Mold Release Additive Colorant Chromatics™ Evoluscend™ Non-PFAS High-Temperature Mold Release Additive Vinyl Powder Coating and Dip Molding

lang=En&n=FD9B0E51-1 https://ec.ss.ec.gc.ca/auth/en/Services about:/ about:/ about:/ General Information Substance List CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit 103­23­1 Bis(2­ethylhexyl) adipate 0.0000 N/A N/A N/A tonnes 117­81­7 Bis(2­ethylhexyl) phthalate 0.0001 N/A N/A N/A tonnes 85­44­9 Phthalic anhydride N/A N/A N/A N/A tonnes Extension 73642 Fax: 4164994687 Email: darryl.chartrand@ch2m.com Contact Type Highest Ranking Employee Name: Robert Greenop Position: Plant Manager Telephone: 5199385865 Email: robert.greenop@polyone.com Mailing Address: Address Line 1: City, Province/Territory, Postal Code: None Country: None Contact Type Person who prepared the report Name: Najat Kamal Position: EHSQ specialist Telephone: 5148089920 Email: najat.kamal@polyone.com Mailing Address: Delivery Mode: GeneralDelivery Address Line 1: City, Province/Territory, Postal Code: None Country: None Number of employees: 16 Activities for Which the 20,000­Hour Employee Threshold Does Not Apply: None of the above Activities Relevant to Reporting Dioxins, Furans and Hexacholorobenzene: None of the above Activities Relevant to Reporting of Polycyclic Aromatic Hydrocarbons (PAHs): Wood preservation using creosote: No Is this the first time the facility is reporting to the NPRI (under current or past ownership): No Is the facility controlled by another Canadian company or companies: No Did the facility report under other environmental regulations or permits: No Is the facility required to report one or more NPRI Part 4 substances (Criteria Air Contaminants): No Operating Schedule ­ Days of the Week: Mon, Tue, Wed, Thu, Fri Usual Number of Operating Hours per day: 24 Usual Daily Start Time (24h) (hh:mm): 07:00 CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit Applicable Programs CAS RN Substance Name NPRI ON MOE TRA ON MOE Reg 127/01 First report for this substance to the ON MOE TRA 103­23­1 Bis(2­ethylhexyl) adipate Yes Yes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Yes Yes No 85­44­9 Phthalic anhydride Yes Yes No General Information about the Substance ­ Releases and Transfers of the Substance CAS RN Substance Name Was the substance released on­site The substance will be reported as the sum of releases to all media (total of 1 tonne or less) 1 tonne or more of a Part 5 Substance (Speciated VOC) was released to air 103­23­1 Bis(2­ ethylhexyl) adipate Yes Yes No 117­81­7 Bis(2­ ethylhexyl) phthalate Yes Yes No 85­44­9 Phthalic anhydride No No No General Information about the Substance ­ Disposals and Off­site Transfers for Recycling CAS RN Substance Name Was the substance disposed of (on­site or off­ site), or transferred for treatment prior to final disposal Is the facility required to report on disposals of tailings and waste rock for the selected reporting period Was the substance transferred off­site for recycling 103­23­1 Bis(2­ ethylhexyl) adipate No No No 117­81­7 Bis(2­ ethylhexyl) phthalate No No No 85­44­9 Phthalic anhydride No No No General Information about the Substance ­ Nature of Activities CAS RN Substance Name Manufacture the Substance Process the Substance Otherwise Use of the Substance 103­23­1 Bis(2­ethylhexyl) adipate For sale/distribution As a formulation component As a by­product 117­81­7 Bis(2­ethylhexyl) phthalate For sale/distribution As a formulation component As a by­product 85­44­9 Phthalic anhydride As a by­product As a reactant As a by­product TRA Quantifications CAS RN Substance Name Use, Creation, Contained in Product Quantity Use ranges for public reporting 103­23­1 Bis(2­ethylhexyl) adipate Use 0.000 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Creation 27.159 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Contained in Product 27.159 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Use 0.000 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Creation 0.104 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Contained in Product 0.104 tonnes Yes 85­44­9 Phthalic anhydride Use 4228.7 tonnes Yes 85­44­9 Phthalic anhydride Creation 0.000 tonnes Yes 85­44­9 Phthalic anhydride Contained in Product 4228.7 tonnes Yes TRA Quantifications ­ Others CAS RN Substance Name Change in Method of Quantification Reasons for Change Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Change 103­23­1 Bis(2­ ethylhexyl) adipate No 117­81­7 Bis(2­ ethylhexyl) phthalate No 85­44­9 Phthalic anhydride No CAS RN Substance Name Change in Method of Quantification Reasons for Change Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Change Total Quantity Released (All Media) CAS RN Substance Name Category Basis of Estimate Detail Code Quantity 103­23­1 Bis(2­ethylhexyl) adipate Total Quantity Released O ­ Engineering Estimates 0.0000 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate Total Quantity Released O ­ Engineering Estimates 0.0001 tonnes On­site Releases ­ Quarterly Breakdown of Annual Releases CAS RN Substance Name Quarter 1 Quarter 2 Quarter 3 Quarter 4 117­81­7 Bis(2­ethylhexyl) phthalate 25 25 25 25 On­site Releases ­ Reasons for Changes in Quantities Released from Previous Year CAS RN Substance Name Reasons for Changes in Quantities from Previous Year Comments 103­23­1 Bis(2­ethylhexyl) adipate No significant change (i.e. < 10%) or no change 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e. < 10%) or no change 85­44­9 Phthalic anhydride No significant change (i.e. < 10%) or no change Disposals ­ Reasons and Comments CAS RN Substance Name Reasons Why Substance Was Disposed Reasons for Changes in Quantities from Previous Year Comments 103­23­1 Bis(2­ethylhexyl) adipate No significant change (i.e. < 10%) or no change 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e. < 10%) or no change 85­44­9 Phthalic anhydride No significant change (i.e. < 10%) or no change Recycling ­ Reasons and Comments CAS RN Substance Name Reasons Why Substance Was Recycled Reasons for Changes in Quantities Recycled from Previous Year Comments 103­23­1 Bis(2­ethylhexyl) adipate No significant change (i.e. < 10%) or no change 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e. < 10%) or no change 85­44­9 Phthalic anhydride No significant change (i.e. < 10%) or no change Comparison Report ­ Enters, Creation, Contained in Product CAS RN Substance Name Is Breakdown Category Quantity Last Reported Quantity Reporting Period of Last Reported Quantity Change % Change 117­81­7 Bis(2­ethylhexyl) phthalate No Enters the facility (Use) 0.000 tonnes 0.000 tonnes 2015 0.000 117­81­7 Bis(2­ethylhexyl) phthalate No Creation 0.104 tonnes 52.387 tonnes 2015 ­52.283 ­99.80 117­81­7 Bis(2­ethylhexyl) phthalate No Contained in Product 0.104 tonnes 52.387 tonnes 2015 ­52.283 ­99.80 85­44­9 Phthalic anhydride No Enters the facility (Use) 4228.7 tonnes 417.417 tonnes 2015 3811.283 913.06 85­44­9 Phthalic anhydride No Creation 0.000 tonnes 0.000 tonnes 2015 0.000 85­44­9 Phthalic anhydride No Contained in Product 4228.7 tonnes 417.417 tonnes 2015 3811.283 913.06 Comparison Report ­ Enters, Creation, Contained in Product : Reason(s) for Change CAS RN Substance Name Reason(s) for Change Other Reason 117­81­7 Bis(2­ethylhexyl) phthalate Decrease in production levels Implementation of actions outside of toxics reduction plan 85­44­9 Phthalic anhydride Increase in production levels Comparison Report ­ On­site Releases CAS RN Substance Name Is Breakdown Category Quantity Last Reported Quantity Reporting Period of Last Reported Quantity Change % Change 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to Air 0 tonnes CAS RN Substance Name Is Breakdown Category Quantity Last Reported Quantity Reporting Period of Last Reported Quantity Change % Change 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to Water 0 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to Land 0 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to All Media 0.0001 tonnes 0.0000 tonnes 2015 0.0001 100 Comparison Report ­ On­site Releases ­ Reason(s) for Change CAS RN Substance Name Reason(s) for Change Other Reason 117­81­7 Bis(2­ethylhexyl) phthalate No reasons ­ quantities approximately the same Pollution Prevention Progress on TRA Plan ­ Objectives CAS RN Substance Name Objectives 117­81­7 Bis(2­ ethylhexyl) phthalate Polyone will strive to reduce the use of this substance at the facility. No Amount 117­81­7 Bis(2­ethylhexyl) phthalate The amount of reduction in the substance contained in product at the facility during the reporting period that resulted due to the additional actions. No Amount 85­44­9 Phthalic anhydride The amount of reduction in the substance contained in product at the facility during the reporting period that resulted due to the additional actions.

Products Vinyl Powder Coating and Dip Molding Fiber-Line™ Engineered Fiber Products

DENTAL PRODUCTS MANUFACTURER T O O T H B R U S H E S • Achieve lower let-down ratios (LDRs) • Maintain sufficient antimicrobial functionality • Preserve clarity or retain opacity, depending on resin • Shorten lead times to minimize inventory and production bottlenecks • Provided full antimicrobial functionality at lower LDRs for 30% annual cost savings • Designed universal carrier that enabled additive use across a variety of resins • Reduced lead time over previous supplier by one week, enabling customer to better manage inventory levels and increase production efficiencies WithStand™ Antimicrobial Additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PERFORMANCE + VERSATILITY LEARN MORE © 2020, Avient Corporation, All Right Reserved https://www.avient.com/products/polymer-additives/performance-enhancement-additives/withstand-antimicrobial-additives