Diperbarui: Februari 2021 Kebijakan Global Avient mengenai Antimonopoli Konten Ikhtisar Kebijakan 1 Ikhtisar Undang-Undang Antimonopoli A.S. 2 Pelanggaran Hukum Antimonopoli 3 Potensi Bidang yang Harus Diperhatikan untuk Antimonopoli 3 Kesimpulan 6 Melaporkan Kemungkinan Pelanggaran 7 Saluran Langsung Etika Avient 7 Perlindungan dari Pembalasan Dendam 7 Daftar Periksa Antimonopoli 8 Referensi Cepat: ANJURAN dan LARANGAN Antimonopoli 10 Panduan Kepatuhan Avient berkomitmen untuk menggalakkan persaingan adil dan perusahaan bebas di pasar. Hormati kebebasan pelanggan Anda; jangan pernah memaksakan pembatasan harga, wilayah, pelanggan, atau penggunaan akhir atas kemampuan pelanggan Anda untuk menjual kembali produk Avient tanpa persetujuan sebelumnya dari Departemen Hukum Avient. 10. Segera hubungi Departemen Hukum Avient dan dokumentasikan insiden tersebut. 10 Konten Kebijakan Antimonopoli yang Direvisi 2021 Amerika Utara Kantor Pusat Global Avon Lake, Amerika Serikat 33587 Walker Road Avon Lake, OH, Amerika Serikat 44012 Nomor Bebas Pulsa: +1 866 765 9663 Nomor Telepon: +1 440 930 1000 Faks: +1 440 930 3064 Asia Pasifik Kantor Pusat Regional Shanghai, Tiongkok 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Tiongkok Telepon: +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Amerika Selatan Kantor Pusat Regional Sao Paulo, Brasil Av.

Güncellenme Tarihi: Şubat 2021 Avient Küresel Antitröst Politikası İçindekiler Politikaya Genel Bakış 1 Amerika Birleşik Devletleri Antitröst Yasalarına Genel Bakış 2 Antitröst Yasası İhlalleri 3 Potansiyel Antitröst Endişe Kaynağı Alanlar 3 Sonuç 6 Olası İhlallerin Bildirilmesi 7 Avient Etik Yardım Hattı 7 Misillemeye Karşı Koruma 7 Antitröst Kontrol Listesi 8 Rychlé rady: Antimonopolní zásady CO DĚLAT a CO NEDĚLAT 10 Uyum Kılavuzu Avient, pazarda adil rekabet ve serbest girişimin geliştirilmesi taahhüdüne bağlıdır. Müşterinizin bağımsızlığına saygı duyun; Avient Hukuk Departmanının ön onayı olmaksızın müşterinizin Avient ürünlerini satma gücü üzerinde fiyat, bölge, müşteri veya son kullanım kısıtlamaları tesis etmeyin. 10. Při nejbližší příležitosti kontaktujte právní oddělení společnosti Avient a zdokumentujte incident. 10 İçindekiler 2021 Revize Antitröst Politikası Kuzey Amerika Global Genel Müdürlük Avon Lake, Amerika Birleşik Devletleri 33587 Walker Road Avon Lake, OH, Amerika Birleşik Devletleri 44012 Ücretsiz: 1-866-765-9663 Telefon: 1-440-930-1000 Faks: +440 930 3064 Asya Pasifik Bölge Merkezi Şanghay, Çin 2F, Block C 200 Jinsu Road Pudong, 201206 Şanghay, Çin Telefon: +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Güney Amerika Bölge Merkezi Sao Paulo, Brezilya Av.

Globale Kartellrichtlinie von Avient Aktualisiert: Februar 2021 Inhalt Überblick über die Richtlinie 1 Ein Überblick über die US-Kartellgesetze 2 Verstöße gegen das Kartellrecht 3 Potenzielle Problembereiche in Bezug auf das Kartellrecht 4 Fazit 6 Meldung möglicher Verstöße 7 Ethik-Hotline von Avient 7 Schutz vor Vergeltungsmaßnahmen 7 Checkliste Kartellrecht 8 Kurzübersicht: RICHTIG und FALSCH im Kartellrecht 10 Compliance-Leitfaden Avient verpflichtet sich zur Förderung eines fairen und freien Wettbewerbs. Respektieren Sie die Unabhängigkeit Ihrer Kunden; auferlegen Sie niemals Preis-, Gebiets-, Kunden- oder Endbenutzungsbeschränkungen für die Fähigkeit Ihres Kunden, Avient-Produkte weiterzuverkaufen, ohne die vorherige Genehmigung der Avient-Rechtsabteilung. 10. Wenden Sie sich bei der ersten Gelegenheit an die Rechtsabteilung von Avient und dokumentieren Sie den Vorfall. 10 Inhalt Überarbeitete Kartellrichtlinie 2021 Nordamerika Globale Hauptverwaltung Avon Lake, USA 33587 Walker Road Avon Lake, OH, USA 44012 Gebührenfrei: 1-866-765-9663 Telefon: 1-440-930-1000 Fax: +440 930 3064 Asien-Pazifik Regionale Hauptverwaltung Shanghai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Telefon: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Südamerika Regionale Hauptverwaltung São Paulo, Brasilien Av.

No. 0514.02) Revised 10/08/2019 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 POLYMER DIAGNOSTICS INC. 33587 Walker Road Avon Lake, OH 44012 Ana De La Ree Phone: 440-930-3271 CHEMICAL Valid To: December 31, 2019 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) 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 10/08/2019 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 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.

Hickory, North Carolina 10. Malmoe, Sweden 10. St.

LD R (% ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 Impact of 5 Melt Heat Histories on Preform Color Reference ColorMatrix AAzure Reduction in AA Level 35% 55% 70% ColorMatrix AAzure allows for further optimization of the polymer weight distribution during the bottle blowing process, which improves mechanical strength and bottle quality. IMPROVED BOTTLE QUALITY +2% in neck weight +3% in body weight -12% in base weight 8.5g 0.5L bottle, 60% rPET Re-optimization of Polymer Weight Distribution to Improve Bottle Strength Based on commercially produced water bottles, 51,000bph Mechanical Strength Increasing ColorMatrix AAzure Concentration Based on PTI 14.4g 0.5L water bottles, Instron testing To p Lo ad (l bs ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 Burst Pressure Increasing ColorMatrix AAzure Concentration Based on 8.5g, 0.5L commercially produced water bottles Bu rs t P re ss ur e (B ar ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 REDUCED CO2 EMISSIONS Increasing ColorMatrix AAzure Concentration 25% reduction in energy consumed during the bottle blowing process, based on a commercial process producing 8.5g 0.5L water bottles at 51,000 bph En er gy k W Reduced Energy Consumption ColorMatrix AAzure increases the heat-up rate for preforms, enabling energy reductions for the heating lamps used during the bottle blowing process. This effect contributes towards reducing CO2 emissions. 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 Increasing ColorMatrix AAzure Concentration Translates to 25% CO2 reduction based on 25% energy reduction in bottle blowing process CO 2 (t on ne s p er y ea r) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 ColorMatrix AAzure products are supplied in ColorMatrix approved packaging and are active as supplied.

Slide 1 PolyOne Corporation Page 1 PolyOne Investor Presentation KeyBanc 2014 Basic Materials & Packaging Conference Boston, MA September 10, 2014 PolyOne Corporation Page 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. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. S&P 500 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 All time high of $43.34 July 1st, 2014 PolyOne Corporation Page 9 2006 2014 YTD 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 15.2% 12 – 16% Global Specialty Engineered Materials 1.1% 11.8% 12 – 16% Designed Structures & Solutions -- 7.1% 8 – 10% Performance Products & Solutions 5.5% 8.0% 9 – 12% Distribution 2.6% 6.0% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 65 – 75% 3) ROIC* 5.0% 9.9% 15% 4) Adjusted EPS Growth N/A 40% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period (Est. in 2012) PolyOne Corporation Page 10 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity* Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 *Pipeline as of May 29, 2014 as presented during our Innovation Day PolyOne Corporation Page 13 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of June 30, 2014 Debt Maturities & Pension Funding – 6/30/14 Net Debt / EBITDA* = 1.8x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of June 30, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 6/30/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.8 million shares in Q2 2014 Repurchased 8.2 million shares since early 2013  11.8 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

65799 Avient Corporation At the below facilities FACILITY NAME FACILITY ACTIVITY ADDRESS Avient Corporation - Avon Lake, OH Management of QMS, Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds 33587 Walker Road Avon Lake OH 44012 United States Avient (Argentina) SA Administration, Site management, Manufacture, Laboratory (QC and Colormatching), Procurement, Maintenance, Infrastructure, Warehouse and Transport, Sales Av.

China Date of Issue：2021-10-28 Date of Expiry：2024-10-27 E证书编号 E受审核方 组织机构代码 英文组织机构代码 认证模式全称 E认证范围 E注册地址 E生产办公地址 E注册日期 E有效期至 E初次颁证日期 二维码

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA; • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation, geopolitical conflicts and any recessionary conditions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2023 under Item 1A, “Risk Factors.” You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT (Q3 2024 PERFORMANCE VS Q3 2023) $487 $522 Q3 23 Q3 24 $89 $97 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 7 + 7% (+8% excluding FX) + 9% (+11% excluding FX) 18.3% +40 bps *18.7% * * Adjusted EBITDA Margin % • Sales growth driven by winning new product specifications in consumer & packaging, strong underlying demand in healthcare and improving demand in building & construction • Favorable mix and raw material deflation contributed to EBITDA margin expansion SPECIALTY ENGINEERED MATERIALS SEGMENT (Q3 2024 PERFORMANCE VS Q3 2023) $268 $295 Q3 23 Q3 24 $51 $57 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 8 • Sales growth driven by restocking in healthcare & consumer end markets and strong underlying demand for composite applications used in building & construction, energy and defense end markets • Favorable mix contributed to EBITDA margin expansion + 10% (+10% excluding FX) + 12% (+13% excluding FX) 19.0% +40 bps *19.4% * * Adjusted EBITDA Margin % 2024 G U IDA N CE FY 2024 GUIDANCE Previous (Aug 6) Current Adjusted EPS $2.55 to $2.70 $2.63 to $2.67 Adjusted EBITDA $515 to $540 million $525 to $530 million Interest Expense $105 million $104 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures & Investment in S/4 Hana ~$140 million ~$140 million 10 11 • Investor Day to be held December 4, 2024 at the NYSE, beginning at 10AM • The focus will be to do a deep dive on the Company’s strategy • Registration and microsite will be available in early November 2024 AVIENT INVESTOR DAY AP P EN D IX 18 Performance Additives 15% Pigments 13% TiO2 9% Dyestuffs 2% Polyethylene 10%Nylon 5% Polypropylene 4% Styrenic Block Copolymer 4% Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 20 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 21 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION US & Canada 52% EMEA 35% Asia 13% 22 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2023 AVIENT REGIONAL SALES Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 23 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.