UV CINNEMARK GOLD 4 GREY 802278 AL2447 4

17060TFX EPIC TFX BLUE GRAY 4 18100TFX EPIC TFX GRAY 4

AMARILLO 4-3C #1 AMARILLO 4-3C #2

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) F E B R U A R Y 2 0 2 4 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Deliver annual EBITDA and EPS growth of 10% and 15% 4. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- F E B R U A R Y 1 4 , 2 0 2 4 W E B C A S T P R E S E N T AT I O N DR.

Foreign name(s), foreign abbreviated name(s) of the company 4/2. Date of registration: 2018/08/21 Published: 2018/08/23 2/4 https://occsz.e-cegjegyzek.hu/IMOnline? Microsec zrt. 4/4 Company register extract I.

Czech Republic Branch Sídlo: Pobřežní 620/3, Karlín, 186 00 Praha 8 Identifikační číslo: 074 10 026 Právní forma: Odštěpný závod zahraniční právnické osoby Předmět podnikání: Výroba, obchod a služby neuvedené v přílohách 1 až 3 živnostenského zákona Vedoucí odštěpného závodu:   LÁSZLÓ MEDNYÁNSZKY, dat. nar. 23. listopadu 1967 9400 Sopron, Ösvény 7, Maďarská republika Zřizovatel - zahraniční osoba: Avient S.à r.l. 9638 Pommerloch, Route de Bastogne 19, Lucemburské velkovévodství Registrační číslo: B226205 Právní forma: společnost s ručením omezeným Statutární orgán zřizovatele - zahraniční osoby: Jednatel:   HOLGER HANS KRONIMUS, dat. nar. 26. ledna 1968 76571 Gaggenau, Adolf Dambach-Strasse 2, Spolková republika Německo Den vzniku funkce: 4. července 2018 Den vzniku členství: 4. července 2018 Jednatel:   CHRISTOPH PALM, dat. nar. 16. května 1963 9638 Pommerloch, Route de Bastogne 19, Lucemburské velkovévodství Den vzniku funkce: 4. července 2018 Den vzniku členství: 4. července 2018 Jednatel:   ZANETA GABRIELA POTOCZNY, dat. nar. 17. října 1974 9638 Pommerloch, route de Bastogne 19, Lucemburské velkovévodství Den vzniku funkce: 27. února 2019 Den vzniku členství: 27. února 2019 Jednatel:   NORBERT MERKLEIN, dat. nar. 3. května 1964 4132 Muttenz, Rothausstrasse 61, Švýcarská konfederace Den vzniku funkce: 18. ledna 2021 Den vzniku členství: 18. ledna 2021 Počet členů: 4 Společnost je platně vázána nebo zastupována vůči třetím osobám takto: má-li Společnost více než jednoho jednatele, pak podpisem kteréhokoli jednatele.

Microsoft PowerPoint - AVNT M8 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) A U G U S T 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. EBITDA Margin 16.9% +100 bps Q 2 2 0 2 4 R E S U L T S Q2 2024 PERFORMANCE VS. Q2 2023 ( T O TA L C O M PA N Y ) $824 $850 Q2 23 Q2 24 $131 $143 Q2 23 Q2 24 Sales Adjusted EBITDA (in millions) $0.63 $0.76 Q2 23 Q2 24 (in millions) Adjusted EBITDA Adjusted EPS 8 + 3% (+5% excluding FX) + 9% (+12% excluding FX) + 21% (+25% excluding FX) Sales 9 Q2 2 024 RESULTS – ORGA NI C SA LES BY REGION VS PY 9 US & Canada Latin America EMEA Asia +5% +4% +1% +19% Avient ex.

Page 3 Strategy and Execution Drive Results 90% $22 $24 PolyOne Stock Price 50% 70% $18 $20 $22 S&P 500 (relative performance) 30% $12 $14 $16 S&P 500 (relative performance) ‐10% 10% $6 $8 $10 50% ‐30% $0 $2 $4 $ | ‐50%$0 2006 2007 2008 2009 2010 2011 2012 2013 Page 4 Four Pillar Strategy The World’s Premier Provider of SpecializedThe World s Premier Provider of Specialized  Polymer Materials, Services & Solutions Page 5 Spartech – Compelling Strategic Rationale • Spartech expands PolyOne’s specialty portfolio with adjacent  technologies in attractive end markets  Bolt on acquisition with opportunity for global expansion as only Bolt‐on acquisition with opportunity for global expansion, as only  6% of Spartech’s revenues are outside of North America • PolyOne has a proven management team with a track record of  transformational success • Preliminary synergy estimated at $65 million run rate by end of  3year 3  Significant opportunity to expand profitability by leveraging  PolyOne’s four pillar strategy • Substantial potential share price appreciation for all  shareholders f f ll / $ Accretive to EPS in first full year post‐acquisition / $0.50 once  synergies realized Page 6 Mix Shift Highlights Specialty Transformation  Old  PolyOne Transformation 100% 2015 Target 80% In co m e*   65 – 75%40% 60% f O pe ra ti ng   34% 43% 45% 65  75% 20% %  o f 2%0% 2005 2008 2010 2012 2015 Specialty OI $5M   $46M                        $87M                       $114M                     Target *Operating Income excludes corporate charges and special items JV's PP&S Distribution Specialty Page 7 Proof of Performance 2007 2012 2015 “Where we were” “Where we are” “Where we  Where we were Where we are expect to be" 1)  Operating Income % Specialty 3.2% 9.1% 12 – 16% PP&S 6.1% 9.0% 9 – 12% Distribution 3.0% 6.4% 6 – 7.5% 2)  Specialty Platform sss% of Operating Income 20% 45% 65 – 75% 3) ROIC* ( ft t ) 7% 11% 15%3) ROIC* (after‐tax) 7% 11% 15% 4)  Adjusted EPS Growth** N/A 4 yr CAGR = 55% Double Digit  Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period **4 yr EPS CAGR calculated using 2012 adjusted EPS vs 2008 adjusted EPS Page 8 Proof of Performance Spartech Opportunity Intermediate  PolyOne Spartech Opportunity 2006 2012 Today Goal “Where we were” “Where we are” “Where  Spartech is”* “Where we can go”were are Spartech is can go Specialty Operating Margin 1.5% 9.1% 2.2% 8.0% – 10.0%  Margin Page 9 *Pro Forma results include Spartech corporate allocations for FY12 ended November 3, 2012 At a Glance PolyOne Europe 14% Canada 8% Asia 5% Latin America 3% Distribution 2012 Revenues: $4.2 Billion* 2012 Revenues: $4.2 Billion* United States 70% 14% 5% PP&S 20%Specialty 57% 23% 70% Appliance 5% Building & HealthCare Transportation 16% Textiles 2% 1.02 1.20 $1.20 $1.40 ha re End Markets* EPS Growth g Construction 14% Wire & Cable 8% Consumer 8% Packaging 17% Industrial 11% Misc. 6% 9% 0.27 0 21 0.79 $0.40 $0.60 $0.80 $1.00 A dj us te d  Ea rn in gs  P er  S Electrical & Electronics 4% 0.12 0.21 0.13 $0.00 $0.20 2006 2007 2008 2009 2010 2011 2012 Page 10 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms At a Glance Specialty U it d 2012 Revenues: $2.4 Billion* Solutions United States 59% Europe 23% Asia Canada 4% Asia 9% Latin America 5% Appliance 4% Building & C t ti HealthCare 5% Transportation 16% Textiles 2% %   o f S al es 12-16% End Markets* Expanding Profits Construction 11% Wire & Cable 7% Electrical & Electronics Packaging 23% Industrial 7% Misc. 15% 1.5% 3.2% 4.3% 5.3% 8.4% 9.1% O pe ra ti ng  In co m e  % 8.0% Electronics 4% Consumer 6% Page 11 2006 2007 2008 2009 2010 2011 2012 2015 O Target* Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms At a Glance Designed Structures and Solutions United States 2012 Revenues: $0.85 Billion* Solutions 84% Europe 2% Canada 7% Latin America 7% Appliance 4% Building & Construction 11% Wire & Cable Sign & Advertising 3% Recreation & Leisure 2% Pool & Spa 1% Distribution & Thermoform 8% Textiles 2% Operating Income % of Sales 2012 Revenue by Industry Segment* Expanding Profits** Wire & Cable 7% Electrical & Electronics 4% Consumer 6% Packaging 23%Industrial 7% Transportation 16% 3% 2.2% 8 ‐ 10% 7% Misc. 1% HealthCare 5% 2012 2015 Target  Page 12 *Pro Forma includes FY2012 results for Spartech (11/03/12 YE) **Pro Forma results include Spartech corporate allocations for FY12 Positioned for Earnings Growth 2015 Target Rev: $5B Adj. 

Avient corporation first quarter 2024 results and 2024 financial guidance AVIENT CORPORATION F I R S T Q U A R T E R 2 0 2 4 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) M A Y 7 , 2 0 2 4 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 O P E N I N G R E M A R K S 4 REGIONAL DEMAND TRENDS-TOTAL COMPANY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 4 US & Canada Latin America EMEA Asia +2% -6% Flat +2% Avient ex. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2 0 2 4 R E S U L T S Q1 2024 PERFORMANCE VS.

Jan 30, 2025