BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF “CLARIANT PLASTICS & COATINGS USA LLC”, CHANGING ITS NAME FROM "CLARIANT PLASTICS & COATINGS USA LLC" TO "AVIENT COLORANTS USA LLC", FILED IN THIS OFFICE ON THE ELEVENTH DAY OF JANUARY, A.D. 2021, AT 10:39 O`CLOCK A.M.

MEVOPUR™ LQ Liquid Color & Additive Concentrates for Silicone Elastomers Silicones elastomers are materials of choice in a wide range of medical applications because of the combination of unique physical properties such as strength, durability, and flexibility combined with one of the most tested polymers in terms of biocompatibility and hypo-allergenic properties. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Processing conditions can cause material properties to shift from the values stated in the information.

July 10, 2023 Creating specialty materials that reduce carbon emissions at the beginning of the product life cycle is one way we can support customers in fulfilling sustainability commitments and maintain critical performance demands.”   Jul 10, 2025

July 10, 2025 One of the standout features of ColorMatrix Amosorb Oxyloop-1 is that it can deliver exceptional oxygen scavenging performance, even with up to 100% rPET content, so that packing applications for products like juices, vitamin drinks, ready-to-drink (RTD) teas, and certain dairy products maintain their freshness and shelf life.  Jul 10, 2025

Homepage // News Center // PolyOne Protects Polymer Textiles from the Sun, Letting Colors and Performance Shine Through Combining colorants with performance-boosting additives, these formulations help to protect non-woven polymer fabrics, fibers and filaments from UV light-induced degradation without any tradeoffs in performance. Jul 10, 2025

Homepage // News Center // High-Temperature COMPTEK™ Medical-Grade Formulations from PolyOne Now Available in North America PolyOne is exhibiting at MD&M West in Anaheim, California, in booth 2101 from February 6-8, 2018. Jul 10, 2025

Hanna consolidate • Cultures clash – commodity wins • Dependent on income derived from commodity joint ventures The First 6 Years • Globally organized along three strategic platforms • Non-core equity investment dispositions • Talent upgrades, discipline instilled throughout organization • New CEO hired to transform POL into specialty business �18 of 20 officers new • Implemented four pillar strategy • Nearly 50% of The Second 6 Years History of PolyOne – A Transformation • Focused on increasing volume, not profits • Heavily tied to cyclical markets 2000 2006 2012 The FormationThe Formation The TransformationThe Transformation The New PolyOneThe New PolyOne organization • Demonstrated ability to deliver • Nearly 50% of business operating income derived from Specialty Platform* • Specialty assets acquired *Pro forma for ColorMatrix acquisition Page 8 30% 50% 70% 90% $10 $12 $14 $16 $18 PolyOnePolyOne Stock Price S&P 500 (relative performance) Strategy and Execution Drive Results | | | | -50% -30% -10% 10% 30% $0 $2 $4 $6 $8 $10 2006 2007 2008 2009 2010 2011 2012 Page 9 Four Pillar Strategy The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Page 10 60% 80% 100% % o f O p e ra ti n g I n co m e * Old PolyOne Transformation 2012 Target “What We Said” Mix Shift Highlights Specialty Transformation Ahead of Schedule *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% >50% 0% 20% 40% 2005 2008 2011 2011** 2012 % o f O p e ra ti n g I n co m e * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M “What We Said” Page 11 2007 2012 Target 2011 “Where we were” “What we said” “Where we are” 1) Operating Income % Specialty 3.2% 10% - 12% 8.9% PP&S 6.1% 8% - 10% 7.2% Pro forma ColorMatrix Proof of Performance Distribution 3.0% 4% - 5% 5.6% 2) Specialty Platform sss% of Operating Income 20% >50% 50% 3) Specialty Vitality Index 21% 35% - 40% 49% 4) ROIC* (pre-tax) 11% >15% 16% 5) Sales outside the US 37% >40% 40% *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 12 2011 Pro forma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 13 • Four pillar strategy, coupled with our ability to execute is driving results • Strong leadership team driving growth & executing • Innovation and services provide differentiation and How do we get there?

Homepage // News Center // PVDF Processing Aids for Enhancing Extrusion Efficiency Now Available from Avient Jul 10, 2025

ENERGY MOVES FROM LAND TO WATER CASE STUDY: PHOTOVOLTAIC FLOATING POWER STATION Challe nge Accepted. FLOATING SOLAR POWER STATIONS GET WEATHERING PROTECTION FROM ANTI-UV COLOR CONCENTRATE To learn more, contact Avient at +86-21-28981188. In addition, power generation efficiency is enhanced by roughly 10% when water cools photovoltaic panels and cables.

ONE MATERIAL AMPLIFIES COMFORT AND HEIGHTENS DURABILITY Challe nge Accepted. Based on this relationship, the designers decided to meet with Avient to determine how a joint team could change the game when it came to mitigating recoil. The new material, a GLS™ thermoplastic elastomer (TPE) from Avient, met the rigorous needs of the high-end rifle manufacturer, and then some.