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. Forward Looking Statements POLYONE CORPORATION 3  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Use of Non-GAAP Measures 4POLYONE CORPORATION INPUTS FORMULATION EXPERTISE SERVICE VALUE Base resins Additives Modifiers Pigments Expertise in Polymer Materials, Services and Solutions OEMs Brand Owners Processers Assemblers InVisiO SM Color Services IQ Design Labs LSS Customer First Specialty products & services What We Do Driving customer value 5POLYONE CORPORATION $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 2009 2010 2011 2012 2013 2014 2015 2016* *Recast for DSS in discontinued operations PolyOne At a Glance Performance Products & Solutions 22% PolyOne Distribution 34% Specialty Engineered Materials 18% Color Additives and Inks 26% 2016 Revenue by Segment Adjusted Earnings per Share 2016 Revenue by Geography United States 60% Europe 15% Latin America 9% Canada 7% Asia 10% 6POLYONE CORPORATION 2% 43% 76% 0% 20% 40% 60% 80% 100% 2005 2010 3Q 2017 % o f O p e ra ti n g I n c o m e * *Operating Income excludes corporate charges and special items **LTM 3Q 2017 Specialty OI $5M $87M $275M** JV’s Performance Products & Solutions Specialty MixDistribution Mix Shift Highlights Specialty Transformation Distribution and Contract Manufacturing Businesses 7POLYONE CORPORATION 2014 2015 2016 2017 2014 2015 2016 2017 Driving Growth • Refreshed training curriculum for sales force • Upgraded capabilities to generate and capture new business leads • Expanded R&D resources to focus on key platforms 2014 2015 2016 2017 Investment in Commercial Resources Commercial Resource Additions* Total Sales CallsSales Opportunity Funnel (in billions) *Sales, Marketing & Technology headcount 8POLYONE CORPORATION *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Proof of Performance & 2020 Platinum Vision 20%+ 20%+ 12 - 14% 6.5 – 7.5% 15% Consistently Deliver Double Digit Annual EPS Growth 2006 YTD 2017 2020 “Where we were” “Where we are” Platinum Vision ROIC* 5.0% 13.8% Operating Income % of Sales Color, Additives & Inks 1.7% 16.4% Specialty Engineered Materials 1.1% 13.1% Performance Products & Solutions 5.5% 11.4% Distribution 2.6% 6.6% 9POLYONE CORPORATION $50 $116 $137 $0 $40 $80 $120 $160 $200 2012 2014 2016 2017 10.8% 11.3% 12.9% 13.8% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 2012 2014 2016 3Q 2017 2020 Platinum Vision Free Cash Flow (in millions) ROIC* *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Free Cash Flow and Improving Returns 15.0% >$200 10POLYONE CORPORATION $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $- $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 $0.70 $0.80 $0.90 $1.00 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Annual Dividend 7 Consecutive Years of Increased Dividends 3-Year Dividend Plan  Announced 30% increase to dividend in October 2017, reflecting strong and sustainable cash flow as well as confidence in future earnings growth  Expect to increase annual dividend 60% or more cumulatively over next three years 11POLYONE CORPORATION $767M Returning Cash to Shareholders $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 3Q 2017 Cumulative Share Repurchases (in millions)  Since 2011, we have returned over $950 million to shareholders  $192 million returned through dividends  $767 million returned through share repurchases  Have repurchased 20.8 million shares since early 2013 $767M 12POLYONE CORPORATION  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~60 - 70% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Growth synergies  Adjacent material solutions  Repurchased 2.0 million shares YTD 2017  Repurchased 20.8 million shares since early 2013  6.5 million shares are available for repurchase under the current authorization  Increased annual dividend by 30% to $0.70 per share, representing the seventh consecutive year of dividend growth Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return 13POLYONE CORPORATION *Specialty Platform revenue from products introduced in last five years Vitality Index Progression* 12% 42% 2006 2016 Target ≥ 35% Innovation Drives Earnings Growth Innovation Pipeline Potential $20 $54 2006 2016 Research & Development Spending ($ millions) Phase 1 Frame Opportunity 12 Projects Phase 2 Build Business Case 10 Projects Phase 3 Prototype 21 Projects Phase 4 Scale-up & Test Market 19 Projects Phase 5 Commercial Launch 10 Projects $500 Million $1.4 Billion $700 Million Total Specialty Addressable Market of over $2.6 Billion 14POLYONE CORPORATION Key Innovation Growth Drivers Composites Barrier Additive Technology Fiber Colorants Flame Retardant Polymers  Increasing regulatory drive for halogen replacements  $400m addressable market  Drive to prevent oxygen, light and UV rays from affecting contents in PET packaging, extending shelf life  $200m addressable market  60% of world fiber consumption is synthetic, need to simplify manufacturing and eliminate waste  $300m addressable market  Polymer formulation and process engineering create a pipeline for next generation materials  Drive to replace aluminum and steel with plastics without compromising on strength 15POLYONE CORPORATION  Providing LSS services to small/medium sized customers  54% of associates trained in LSS, with over 125 active black belts  Have trained over 30 customers in LSS methodology  Providing training in Customer Centric Selling Skills with customers  Providing Industrial design and color services to small/medium sized customers  On time delivery above 95% Strengthening relationships: Customer First Through World-Class Service 16POLYONE CORPORATION  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic reinvestment for growth while returning cash to shareholders  Strong and proven management team driving growth and performance Why Invest In PolyOne?

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. This innovation drives performance and is reflective of consistent, strategic investments in technology and people Clariant Color business acquired July 1, 2020 1 1 2 3 5 7 7 7 9 10 30 40 14 25 13 22 35 9 19 13 18 41 Current Additional share needed to reach 2025 target B R A N D O W N E R S C O M M I T T E D TO I N C R E A S I N G U S E O F R E C YC L E D M AT E R I A L S 8 Brand Owner 1 Brand Owner 3 Brand Owner 2 Brand Owner 7 Brand Owner 4 Brand Owner 10 Brand Owner 6 Brand Owner 11 Brand Owner 5 Brand Owner 8 Brand Owner 9 Brand Owner 12 Brand Owner 13 Percent recycled plastic used: (examples and not exhaustive) (1) (1) Latest year reported. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 1 2 3 3 3 4 3 3 5 5 5 5 6 8 A vi e n t A vi e n t (E xc l.

Therefore, changes in exchange rates may either positively or negatively affect our net sales and expenses from foreign operations as expressed in U.S. dollars. 38 POLYONE CORPORATION ITEM 8. a)(3) Exhibits. Compensation 3.

Date of registration: 2018/08/21 Published: 2018/08/23 Effective: 2018/08/21 ... 8. Date of the deed of foundation 8/1. 31 July 2018 Date of registration: 2018/08/21 Published: 2018/08/23 Effective: 2018/08/21 ... 8/2. 4 December 2019 Date of change: 2019/12/04 Date of registration: 2020/02/13 Published: 2020/02/15 Effective: 2019/12/04 ... 8/3. 24 November 2021 Date of change: 2021/11/24 Date of registration: 2021/12/06 Effective: 2021/11/24 ... 902. TT 8.

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. This innovation drives performance and is reflective of consistent, strategic investments in our portfolio…and people. 2020 Pro forma $991 $86 Sustainable Solutions 15 11% 6 Healthcare 28 22% 6 Composites 6 10% 3 Growth in Emerging Regions 44 30% 10 Other 53 10% 7 Sub-total $1,137 15% $118 FX Impact 25 - 2 Synergies - - 11 Incentives, Travel, Other Employee Costs - - (8) 2021 Actual $1,162 17% $123 Q1 2021 ORGANIC SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 7 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Adjusted Operating Income$ millions (1) 8 Electrical & Electronics Building & Construction Wire & Cable Transportation Industrial Healthcare Packaging Consumer Q1 2020PF Q1 2021 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) Financial information is presented on a constant currency basis (1,2) (42% of total revenue) (58% of total revenue) Q1 END MARKET SALES PERFORMANCE +17% +14% +8% +10% +8% +22% +5% +24% Q 2 A N D F U L L Y E A R 2 0 2 1 O U T L O O K $69 $112 2020PF 2021E $0.42 $0.80 2020PF 2021E ORGANIC GROWTH PROJECTIONS – Q2 ( T O TA L C O M PA N Y ) 10 Sales Adjusted Operating Income $870 $1,100 2020PF 2021E + 26% Adjusted EPS + 62% + 90% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition FULL YEAR GUIDANCE INCREASED 11 Sales Adj. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 18 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 3 4 3 3 3 4 4 5 5 5 6 7 7 8 24 A vi e n t A vi e n t (E xc l.

identifikační číslo 26689537, sídlem Pobřežní 620/3, Karlín, 186 00 Praha 8, spisová značka C 87503 vedená u Městského soudu v Praze (dále též „Společnost“), o změně obsahu společenské smlouvy (dále též „Rozhodnutí“), konané dne 21.10.2021 v budově na adrese Jáchymova 26/2, Staré Město, 110 00 Praha 1. ------------------ I. 1. Kateřinou Hájkovou, LL.M., datum narození 03.06.1982, adresa místa pobytu Křižíkova 220/91, Karlín, 186 00 Praha 8, advokáta, evidenční číslo ČAK 13682, spolupracujícího s PRK Partners s.r.o., advokátní kancelář, IČO 266 92 392, se sídlem Jáchymova 26/2, Staré Město, 110 00 Praha 1, na základě plných moci, které jsou přílohami číslo 3 a číslo 4 tohoto notářského zápisu, mající 980 hlasů, ---------------------------------------------------- - prohlášením Předsedajícího dle článku II., že valná hromada je způsobilá přijímat Rozhodnutí. Petr Elšík, -3-, notář v Litoměřicích ---------------------------------------------------------------- .

SOCIETE A RESPONSABILITE LIMITEE 5.Nazwa rejestru, numer w rejestrze, określenie ogranu prowadzącego rejestr i przechowującego akta przedsiębiorcy zagranicznego REGISTRE DE COMMERCE ET DES SOCIETES B226205 LUXEMBOURG BUSINESS REGISTERS G.I.E. 6.Prawo państwa właściwego dla przedsiębiorcy zagranicznego, jeśli przedsiębiorca nie podlega prawu jednego z państw członkowskich UE lub EFTA - stron umowy o EOG WIELKIE KSIĘSTWO LUKSEMBURGA 7.Dane o wcześniejszej rejestracji ------ 8.Czy przedsiębiorca prowadzi działalność gospodarczą z innymi podmiotami na podstawie umowy spółki cywilnej? KUTNO, kod 99-300, poczta KUTNO, kraj POLSKA Strona 1 z 5 3.Siedziba i adres zakładu głównego przedsiębiorcy zagranicznego kraj LUKSEMBURG, woj. Podrubryka 1 Dane osób wchodzących w skład organu 1 1.Nazwisko / Nazwa lub firma KRONIMUS 2.Imiona HOLGER HANS 3.Funkcja w organie reprezentującym ZARZĄDZAJĄCY 2 1.Nazwisko / Nazwa lub firma PALM 2.Imiona CHRISTOPH 3.Funkcja w organie reprezentującym ZARZĄDZAJACY 3 1.Nazwisko / Nazwa lub firma POTOCZNY 2.Imiona ŻANETA GABRIELA 3.Funkcja w organie reprezentującym ZARZĄDZAJACY 4 1.Nazwisko / Nazwa lub firma MERKLEIN 2.Imiona NORBERT 3.Funkcja w organie reprezentującym ZARZĄDZAJĄCY Rubryka 2 ­ Organ nadzoru Brak wpisów Rubryka 3 ­ Prokurenci Brak wpisów Rubryka 4 ­ Osoby reprezentujące zagranicznego przedsiębiorcę w oddziale 1 1.Nazwisko DROJMA 2.Imiona KAMIL RAFAŁ Strona 2 z 5 3.Numer PESEL 85072613192 4.Funkcja w oddziale ­­­­­­ Dział 3 Rubryka 1 ­ Przedmiot działalności 1.Przedmiot przeważającej działalności przedsiębiorcy 1 20, 12, Z, PRODUKCJA BARWNIKÓW I PIGMENTÓW 2.Przedmiot pozostałej działalności przedsiębiorcy 1 20, 16, Z, PRODUKCJA TWORZYW SZTUCZNYCH W FORMACH PODSTAWOWYCH 2 22, 2, , PRODUKCJA WYROBÓW Z TWORZYW SZTUCZNYCH 3 22, 22, Z, PRODUKCJA OPAKOWAŃ Z TWORZYW SZTUCZNYCH 4 22, 23, Z, PRODUKCJA WYROBÓW DLA BUDOWNICTWA Z TWORZYW SZTUCZNYCH 5 22, 29, Z, PRODUKCJA POZOSTAŁYCH WYROBÓW Z TWORZYW SZTUCZNYCH 6 22, 21, Z, PRODUKCJA PŁYT, ARKUSZY, RUR I KSZTAŁTOWNIKÓW Z TWORZYW SZTUCZNYCH 7 70, 22, , POZOSTAŁE DORADZTWO W ZAKRESIE PROWADZENIA DZIAŁALNOŚCI GOSPODARCZEJ I ZARZĄDZANIA 8 68, 10, Z, KUPNO I SPRZEDAŻ NIERUCHOMOŚCI NA WŁASNY RACHUNEK 9 68, 20, Z, WYNAJEM I ZARZĄDZANIE NIERUCHOMOŚCIAMI WŁASNYMI LUB DZIERŻAWIONYMI Rubryka 2 ­ Wzmianki o złożonych dokumentach Rodzaj dokumentu Nr kolejny w polu Data złożenia Za okres od do 1.Wzmianka o złożeniu rocznego sprawozdania finansowego 1 20.02.2020 OD 11.09.2018 DO 31.12.2018 2 21.07.2021 OD 01.01.2019 DO 31.12.2019 3 10.09.2021 OD 01.01.2020 DO 31.12.2020 2.Wzmianka o złożeniu opinii biegłego rewidenta / sprawozdania z badania rocznego sprawozdania finansowego 1 ***** OD 01.01.2019 DO 31.12.2019 2 ***** OD 01.01.2020 DO 31.12.2020 3.Wzmianka o złożeniu uchwały lub postanowienia o zatwierdzeniu rocznego sprawozdania finansowego 1 ***** OD 01.01.2019 DO 31.12.2019 2 ***** OD 11.09.2018 DO 31.12.2018 Rubryka 3 Brak wpisów Rubryka 4 ­ Przedmiot działalności statutowej organizacji pożytku publicznego Brak wpisów Rubryka 5 ­ Informacja o dniu kończącym rok obrotowy 1.Dzień kończący pierwszy rok obrotowy, za który należy złożyć sprawozdanie finansowe 31.12.2018 Strona 3 z 5 Dział 4 Rubryka 1 ­ Zaległości Brak wpisów Rubryka 2 ­ Wierzytelności Brak wpisów Rubryka 3 ­ Informacje o oddaleniu wniosku o ogłoszenie upadłości na podstawie art. 13 ustawy z 28 lutego 2003 r.

Sanders joined Avient in April 2024 and has responsibility for all legal functions, including contracts and transactions, M&A, compliance, labor relations, digital information, privacy, and intellectual property.

Guide to part design, mold design, hot runner systems, overmolding, machine selection, material handling and preparation, processing conditions and troubleshooting for GLS™ solutions Injection molding parameters and troubleshooting recommendations for Gravi-Tech™ Injection molding parameters and troubleshooting recommendations for Gravi-Tech™ (Chinese language version)