These include positions in Assistant Corporate Corporate Controller; an ex-pat assignment in the UK supporting Avient’s Color business; Director of Finance for the Color, Additives & Inks segment; and, most recently, as Vice President of Internal Audit.

PTFE Wire insulation ELECTRICAL EQUIPMENT MANUFACTURER H I G H - T E M P E R A T U R E C A B L E S - O I L & G A S I N D U S T R Y • Formulations suitable for a wide range of cable types, including high-voltage and self-regulating heating applications • Fine-tuned and consistent resistivity • Consistent performance across a wide range of temperatures • Optimized dispersion for ease of processing • Provided tailored solutions for specific conductivity requirements, protecting cables against damage from electrostatic discharge (ESD), arc failures, and temperature fluctuation • Supplied ESD and conductive fluoropolymer solutions in PFA, FEP, ETFE and PVDF • Shared more than 40 years of experience in the processing and formulation of fluoropolymers • Offered a global manufacturing footprint Colorant Chromatics Conductive Formulations KEY REQUIREMENTS WHY AVIENT? LEARN MORE https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/colorant-chromatics-conductive-formulations-0 Slide 1: electrical equipment manufacturer

INDUSTRIAL EQUIPMENT OEM P A I N T S P R A Y E R • Meet or exceed UL94 V-2 flame rating • Able to interact with existing bulk chemistry without compromising functionality or brand color and aesthetics • Deliver cost targets while providing operational efficiency and a working capital strategy • Accelerate product development timeline, and provide UL94 testing verification prior to production trials • Achieved all flame rating requirements and assisted with regulatory approvals • Developed a proprietary Smartbatch solution that minimized potential effects from interaction with current bulk chemistries • Provided needed support with qualification process and testing requirements, saving time and cost • Afforded on-going support with A2LA test labs, sampling, and lot-to-lot consistency with exacting performance Smartbatch™ Formulation: Cesa™ Flame Retardant Additives and OnColor™ Colorants KEY REQUIREMENTS WHY AVIENT?

GENOMIC DIAGNOSTIC DEVICE MANUFACTURER I N - V I T R O D I AG N O S T I C ( I V D ) D E V I C E MEVOPURTM Laser-Transmitting and Laser-Absorbing Pre-color Solution AVIENT SOLUTION • Customized solutions - Quality-by-Design (QdB) approach • Optimized pigment / additive selection – good distribution in final part minimizes welding failure • Mitigated contamination and extractable risk on incoming raw material with control based on fingerprinting • Ensured uninterrupted supply from multiple ISO13485-2016 certified sites • Minimized risk of change with change control agreements WHY AVIENT KEY REQUIREM ENTS P R O D U C T I V I T Y & Q UA L I T Y • Good weldability, low rejection rate • Solutions in wide range of polymers, colors and transparency • Pre-tested ingredients to biocompatibility and extractable metals LEARN MORE https://www.avient.com/products/polymer-additives/performance-enhancement-additives/mevopur-functional-additives

AUTOMOTIVE AFTERMARKET MANUFACTURER S T O R A G E B O X L A T C H • Low coefficient of friction (CoF) to allow for ease-of-use • Colorable to a brand-specified Pantone color • Low odor in the end product • Maintain performance when exposed to outdoor elements and extreme temperatures • Offered lubricious polyketone (PK) material to facilitate easy slide and effective latching • Provided excellent chemical resistance to cleaning and harsh chemicals, such as bleach, isopropyl alcohol and automotive fluids • Formulated a durable material with abrasion resistance, UV stability, and tolerant of temperatures from 0°-140°F • Delivered surety of supply vs. incumbent material LubriOne™ PKE Polyketone Formulations KEY REQUIREMENTS WHY AVIENT?

https://www.avient.com/products/polymer-colorants/colorant-dispersions https://www.avient.com/products/vinyl-formulations/vinyl-plastisols-organosols/core-vinyl-plastisols

https://pt.avient.com/products/polymer-colorants/liquid-color-concentrates/hiformer-liquid-masterbatches Slide 1: Fabricante de embalagens farmacêuticas

These USP-compliant colorants are available in liquid silicone rubber (LSR) and high consistency silicone rubber (HCR) forms and can be customized for specific medical uses. Standard and custom colors are available. KEY CHARACTERISTICS • Meets USP Class VI standards • Biocompatible • Provides lightfastness, chemical resistance, and heat stability • Available in standard single pigment or custom multi-pigment colors • LSR and HCR options available TARGET APPLICATIONS Stan-Tone HC Plus silicone dispersions are suitable for a variety of healthcare applications including: • Catheters and medical tubing • Medical and surgical equipment • Labware and diagnostic devices • Specialty medical devices and wearables Product Code Pigment Type % Pigment (approx.)

The Company acquired the Clariant Color business on July 1, 2020. André Schuhmacher, Chief Quality Manager “At L’Oréal, my job is to guarantee color consistency. Avient’s PCR Color Prediction Service helps me achieve this objective… The Redken launch would not have been possible without this service.”

Three Months Ended March 31, 2022 2021 Sales: Color, Additives and Inks $ 649.5 $ 609.3 Specialty Engineered Materials 244.7 216.5 Distribution 432.9 362.7 Corporate and eliminations (33.3) (26.2) Sales $ 1,293.8 $ 1,162.3 Gross margin: Color, Additives and Inks $ 192.1 $ 197.5 Specialty Engineered Materials 69.8 64.7 Distribution 39.3 39.3 Corporate and eliminations (7.5) 0.9 Gross margin $ 293.7 $ 302.4 Selling and administrative expense: Color, Additives and Inks $ 97.6 $ 108.7 Specialty Engineered Materials 30.1 30.5 Distribution 15.1 15.3 Corporate and eliminations 22.3 27.5 Selling and administrative expense $ 165.1 $ 182.0 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 Specialty Engineered Materials 39.7 34.2 Distribution 24.2 24.0 Corporate and eliminations (29.8) (26.6) Operating income $ 128.6 $ 120.4 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 120.5 $ 116.2 Specialty Engineered Materials 47.5 42.0 Distribution 24.4 24.2 Corporate and eliminations (26.0) (24.9) Other income, net (0.6) 1.5 EBITDA $ 165.8 $ 159.0 11 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Three Months Ended March 31, 2022 2021 GAAP Results Special Items Adjusted Results GAAP Results Special Items Adjusted Results $111.1 $ 7.7 $ 118.8 $102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (26.6) — (26.6) (22.9) — (22.9) Income tax impact of special items (Attachment 3) — (2.0) (2.0) — (0.9) (0.9) Tax adjustments (Attachment 3) — 1.5 1.5 — 1.1 1.1 Income tax (expense) benefit $ (26.6) $ (0.5) $ (27.1) $ (22.9) $ 0.2 $ (22.7) Effective Tax Rate(1) 23.9 % 22.8 % 22.3 % 21.6 % (1) Rates may not recalculate from figures presented herein due to rounding 12 Reconciliation of EBITDA by Segment Three Months Ended March 31, 2022 2021 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 Specialty Engineered Materials 39.7 34.2 Distribution 24.2 24.0 Corporate and eliminations (29.8) (26.6) Operating income $ 128.6 $ 120.4 Items below OI in Corporate: Other income, net $ (0.6) $ 1.5 Depreciation & amortization: Color, Additives and Inks $ 26.0 $ 27.4 Specialty Engineered Materials 7.8 7.8 Distribution 0.2 0.2 Corporate and eliminations 3.8 1.7 Depreciation & Amortization $ 37.8 $ 37.1 EBITDA: Color, Additives and Inks $ 120.5 $ 116.2 Specialty Engineered Materials 47.5 42.0 Distribution 24.4 24.2 Corporate and eliminations (26.0) (24.9) Other income, net (0.6) 1.5 EBITDA $ 165.8 $ 159.0 EBITDA as a % of Sales: Color, Additives and Inks 18.6 % 19.1 % Specialty Engineered Materials 19.4 % 19.4 % Distribution 5.6 % 6.7 % Three Months Ended March 31, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 Net income from continuing operations – GAAP $ 84.5 $ 79.7 Income tax expense 26.6 22.9 Interest expense 16.9 19.3 Depreciation and amortization 37.8 37.1 EBITDA $ 165.8 $ 159.0 Special items, before tax 7.7 2.4 Depreciation and amortization included in special items (2.1) (0.5) Adjusted EBITDA $ 171.4 $ 160.9 NEWS RELEASE Attachment 1