Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau the introduction and application of a management system according to ISO 50001:2018 scope: Delelopment and production of technical Polymers; at the sites according to appendix. This certificate is valid from: 23.05.2024 bis: 19.05.2027 Certificate No.: 000870.E/24.R Würzburg, 23.05.2024 Benjamin Kirchgeßner Certification Body Appendix to certification number: 000870.E/24.R Avient Th. Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau c/o Avient ECCOH High Performance Solutions GmbH Oldendorfer Straße 9, 49324 Melle Production of technical Polymers

A webcast of the event can be also viewed live at www.avient.com/investors. 2 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

AQUARIUS™ SB - BLUE G CONCENTRATE 2. Lookout Point utilizes the Aquarius™ Soft Base CMYK color profile to bring color to life, even in the darkest of places. AQUARIUS™ SOFT BASE - YELLOW 2.

İNTERNET SİTESİ İÇERİĞİ POLYONE TEKNO POLİMER MÜHENDİSLİK PLASTİKLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ Şirket Bilgileri (Yönlendirilmiş Mesaj) No İçerik Detay 1 Ticaret Unvanı Polyone Tekno Polimer Mühendislik Plastikleri Sanayi ve Ticaret Anonim Şirketi 2 MERSİS Numarası 0836003561100014 3 Merkezi Orhan Gazi Mah.1683 Sk. No Content Detail 1 MERSIS number of the Company 0836003561100014 2 Title of the Company Polyone Tekno Polimer Mühendislik Plastikleri Sanayi ve Ticaret Anonim Şirketi 3 Registered office of the Company Orhan Gazi Mah.1683 Sk. No:8 Esenyurt/İstanbul 4 Committed and Paid Company Capital TRY 100,799,000.00 5 Full names of the Board members of the Company (in the event that a legal entity is a board member, that legal entity's MERSIS number, trade name, registered address and its individual representative's full name) • Holger Hans Kronimus • Christoph Palm • Zaneta Gabriela Potoczny 6 Independent auditor's title, registered address, and branch offices (if any).

PolyOne Investor Presentation 3Q 2016 Morgan Stanley Global Chemicals and Agriculture Conference November 2016 POLYONE CORPORATION 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. PolyOne Investor �Presentation�3Q 2016 Forward-Looking Statements Use of Non-GAAP Measures About PolyOne What We Do At a Glance Slide Number 7 28 Consecutive Quarters of EPS Growth Proof of Performance & 2020 Goals Ours is Not a Cost Cutting Story Innovation Drives Earnings Growth Strategic Growth Opportunities Primary Industries Served Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Returning Cash to Shareholders Why Invest In PolyOne?

Eastern Time on November 2, 2022. Webcast Details Avient will host a webcast on Wednesday, November 2, 2022 at 8:00 a.m. Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and a personal PIN, which are required to access the conference call.

Orangeville Compound (Update 1) Report Preview National Pollutant Release Inventory (NPRI) and Partners Home Submission Management Help My Profile:Brian Greer Logout Ec.gc.ca Report Preview Report Details Company and Facility Details Permits Contacts Details Report Year 2016 Report Type: NPRI Report Status: Update 1 ­ Submitted Modified Date/Time: 13/03/2018 2:04 PM Report Update Comments: As per email from NPRI QC team Feb 13, 2018 Company Name: Polyone Canada Inc. Business Number: 898451794 Mailing Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Facility Name: Orangeville Compound NAICS Code: 326198 NPRI ID: 4358 Physical Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Latitude: 43.91230 Longitude: ­80.11300 Number or Permit Number: ON9820023 Government Department, Agency, or Program Name: Ontario MOE ­ Hazardous Waste Generator Number Number or Permit Number: 0778­6DZLMV Government Department, Agency, or Program Name: Certificate of Approval Air Number or Permit Number: 5626­5DFQF2 Government Department, Agency, or Program Name: Certificate of Approval Industrial Sewage Works Contact Type Technical Contact, Company Coordinator Name: Brian Greer about:/V003/Html http://www.canada.gc.ca/home.html http://www.servicecanada.gc.ca/eng/home.shtml http://www.canada.gc.ca/aboutgov-ausujetgouv/depts/menu-eng.html https://ec.ss.ec.gc.ca/auth/en/Services about:blank# about:blank# about:blank# about:/V003/Logout_Deconnexion http://ec.gc.ca/default.asp? 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 NA ­ 01 Antimony (and its compounds) 0.0004 N/A N/A N/A tonnes NA ­ 02 Arsenic (and its compounds) 0.0007 N/A N/A N/A kg 103­23­1 Bis(2­ethylhexyl) adipate 0.0106 N/A N/A N/A tonnes 117­81­7 Bis(2­ethylhexyl) phthalate 0.0283 N/A N/A N/A tonnes 85­68­7 Butyl benzyl phthalate 0.0008 N/A N/A N/A tonnes NA ­ 14 Zinc (and its compounds) 0.0000 N/A N/A 0.0002 tonnes 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 NA ­ 01 Antimony (and its compounds) Yes NA ­ 02 Arsenic (and its compounds) Yes 103­23­1 Bis(2­ethylhexyl) adipate Yes 117­81­7 Bis(2­ethylhexyl) phthalate Yes 85­68­7 Butyl benzyl phthalate Yes NA ­ 14 Zinc (and its compounds) Yes Position: EHS Manager Telephone: 5192150535 Email: brian.greer@polyone.com Contact Type Certifying Official Name: Najat Kamal Position: EHSQ specialist Telephone: 5148089920 Email: najat.kamal@polyone.com Number of employees: 45 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 Was the facility shut down for more than one week during the year: 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): 00:00 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 NA ­ 01 Antimony (and its compounds) Yes Yes No NA ­ 02 Arsenic (and its compounds) Yes No No 103­23­1 Bis(2­ethylhexyl) adipate Yes Yes No 117­81­7 Bis(2­ethylhexyl) phthalate Yes Yes No 85­68­7 Butyl benzyl phthalate Yes Yes No NA ­ 14 Zinc (and its compounds) Yes 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 NA ­ 01 Antimony (and its compounds) No No No NA ­ 02 Arsenic (and its compounds) No No No 103­23­1 Bis(2­ ethylhexyl) adipate No No No 117­81­7 Bis(2­ ethylhexyl) phthalate No No No 85­68­7 Butyl benzyl phthalate No No No NA ­ 14 Zinc (and its compounds) Yes 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 NA ­ 01 Antimony (and its compounds) For on­site use/processing As a reactant As a by­product NA ­ 02 Arsenic (and its compounds) For on­site use/processing As a reactant As a by­product 103­23­1 Bis(2­ethylhexyl) adipate For on­site use/processing As a reactant As a by­product 117­81­7 Bis(2­ethylhexyl) phthalate For on­site use/processing As a reactant As a by­product 85­68­7 Butyl benzyl phthalate For on­site use/processing As a reactant As a by­product NA ­ 14 Zinc (and its compounds) For on­site use/processing As a reactant As a by­product On­site Releases ­ Releases to air CAS RN Substance Name Category Basis of Estimate Detail Code Quantity NA ­ 02 Arsenic (and its compounds) Stack or Point Releases O ­ Engineering Estimates 0.0000 kg NA ­ 14 Zinc (and its compounds) Stack or Point Releases O ­ Engineering Estimates 0.0000 tonnes On­site Releases ­ Releases to air ­ Total CAS RN Substance Name Total ­ Releases to Air NA ­ 02 Arsenic (and its compounds) 0.0000 kg NA ­ 14 Zinc (and its compounds) 0.0000 tonnes On­site Releases ­ Releases to land CAS RN Substance Name Category Basis of Estimate Detail Code Quantity NA ­ 02 Arsenic (and its compounds) Other O ­ Engineering Estimates 0.0007 kg Onsite Releases ­ Nature of Other Land Release CAS RN Substance Name Nature of Other Land Release NA ­ 02 Arsenic (and its compounds) Landfill disposal CAS RN Substance Name Nature of Other Land Release On­site Releases ­ Releases to land ­ Total CAS RN Substance Name Total ­ Releases to Land NA ­ 02 Arsenic (and its compounds) 0.0007 kg Total Quantity Released (All Media) CAS RN Substance Name Category Basis of Estimate Detail Code Quantity NA ­ 01 Antimony (and its compounds) Total Quantity Released O ­ Engineering Estimates 0.0004 tonnes 103­23­1 Bis(2­ethylhexyl) adipate Total Quantity Released O ­ Engineering Estimates 0.0106 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate Total Quantity Released O ­ Engineering Estimates 0.0283 tonnes 85­68­7 Butyl benzyl phthalate Total Quantity Released O ­ Engineering Estimates 0.0008 tonnes On­site Releases ­ Total CAS RN Substance Name Total releases NA ­ 02 Arsenic (and its compounds) 0.0007 kg NA ­ 14 Zinc (and its compounds) 0.0000 tonnes On­site Releases ­ Quarterly Breakdown of Annual Releases CAS RN Substance Name Quarter 1 Quarter 2 Quarter 3 Quarter 4 NA ­ 01 Antimony (and its compounds) 25 25 25 25 NA ­ 02 Arsenic (and its compounds) 25 25 25 25 103­23­1 Bis(2­ethylhexyl) adipate 25 25 25 25 117­81­7 Bis(2­ethylhexyl) phthalate 25 25 25 25 85­68­7 Butyl benzyl 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. 

LUXE PACK New York is the premier trade show for creative, luxury packaging taking place at the Javits Center May 10-11, 2023. Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

The event, taking place today and tomorrow, is an international gathering that aims to promote sustainability for the packaging industry and consumers.   Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

With a new user-centric online platform and modern, premium visual identity, the Dyneema® brand is better placed than ever to showcase its strengths, generate and capture market demand, and meet the needs and expectations of today’s buyers.   Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.