PALLET MANUFACTURER N O N - S L I P S T R I P S • Improve top deck coefficient of friction • Chemically bond to HDPE and extrude at lower temperatures • Durability to withstand 7-10 year product lifespan • Provided onsite technical support to incorporate a secondary material in the existing manufacturing process • Shortened the product development life cycle by quickly providing a durable material within our existing product portfolio that improved grip • Ensured supply continuity to ease concerns • Trusted provider of sustainable rigid, elastomer, and color polymer solutions to enable product innovation Versaflex™ TPE Formulation KEY REQUIREMENTS WHY AVIENT?

KEY CHARACTERISTICS • Globally harmonized formulations are manufactured at four ISO 13485 certified medical sites, providing global consistency and increased security of supply • Documented change control available • A range of standard colors eliminates color matching to expedite development time • The portfolio includes compliant colors for use in: - Needle hub applications: ISO 6009 - Ophthalmic container closures (American Academy of Ophthalmology) REGULATORY SUPPORT • A library of pre-tested raw materials including: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* HEALTHCARE APPLICATIONS • Medical devices such as catheters, surgical and dental instruments, and drug delivery devices • Pharmaceutical packaging including vials and bottles • Diagnostics for blood analysis or In Vitro Diagnostics (IVD) PRODUCT BULLETIN & COLOR CARD * FDA/EU compliance information available upon request; exceptions may occur Color Pantone Reference PE Base PP Base Transparent PP Base PEBA Base PC Base Transparent PC Base* ABS Base* White — PE0M176031 PP0M176045 ** AH0M415001 NC0M176058 ** SB0M665206 Yellow 102C PE1M176076 PP1M176060 PP1M176062 AH1M415002 NC1M176058 NC1M176059 SB1M664958 Orange 158C PE2M176044 PP2M176046 ** ** NC2M176044 NC2M664912 SB2M664939 Red 199C PE3M176131 PP3M176111 PP3M176113 AH3M415002 NC3M176116 NC3M176122 SB3M665037 Pink 196C PE3M176130 PP3M176109 ** AH3M415001 NC3M176117 NC3M665052 SB3M665039 Violet 2593C PE4M176023 PP4M176036 PP4M176039 AH4M415001 NC4M176038 NC4M176044 SB4M664978 Light Blue 292C PE5M176155 PP5M176169 ** AH5M415003 NC5M176142 ** SB5M665402 Mid Blue 285C PE5M176154 PP5M176171 PP5M176175 AH5M415002 NC5M176143 NC5M176146 SB5M665404 Dark Blue 288C PE5M176153 PP5M176173 ** ** NC5M176144 ** SB5M665406 Light Green 346C PE6M176128 PP6M176111 ** ** NC6M176118 ** SB6M665070 Bluish Green 3145C PE6M176126 PP6M176115 ** ** NC6M176119 ** SB6M665068 Medium Green 348C PE6M176127 PP6M176113 PP6M176118 AH6M415001 NC6M176120 NC6M176121 SB6M665072 Dark Gray 425C PE7M176066 PP7M176091 PP7M176094 ** NC7M176124 ** SB7M665297 Mid Gray Cool Gray 5C PE7M176067 PP7M176089 ** AH7M415001 NC7M176125 NC7M665175 SB7M665295 Beige 7502C PE8M176048 PP8M176058 ** ** NC8M176058 ** SB8M664871 Brown 463C/731C PE8M176049 PP8M176060 ** ** NC8M176059 ** SB8M664869 Black Black C PL9M176008 PP9M176017 ** ** NC9M176008 NC9M176009 SB9M664896 Colors may vary from actual color shown.

For containers/bottles, Avient also offers Remafin™ EP White Colorants, available in low density and high density PE and PP resins.

KEY CHARACTERISTICS • Designed for Nd:YAG lasers operating between 1060-1070 nm • Available for different polymers including PP, PE, PC, PBT, POM, ABS, MABS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number, reducing risk of change • Can be designed for dark marking on natural or white/light colored background or light marking on black/dark background REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* APPLICATION BULLETIN * FDA/EU compliance information available upon request.

NYSE: AVNT) AVIENT CORPORATION I N V E S T O R M E E T I N G S M AY 2 0 2 2 DISCLAIMER 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. WHAT WE DO: MATERIAL SCIENCE CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 6 AVIENT ESG RATINGS Sustainalytics 2021 ESG Risk Ranking RANK (1st = lowest risk) PERCENTILE (1st – lowest risk) Chemicals INDUSTRY 75/449 17th Specialty Chemicals SUBINDUSTRY 21/124 17th ISS March 2022 ESG Scores SCORE (1 = Best, 10 = Worst) Environmental 2 Social 1 Governance 4 777 F I RS T Q UART E R 2022 RE S U LT S $123 $136 $0.89 $0.99 Q1 2022 PERFORMANCE 9 $1,162 $1,294 (+ 14% excluding FX) Adjusted EPS (+ 15% excluding FX) (+ 16% excluding FX) (in millions) (in millions) Sales Adjusted Operating Income Q1 2022 SEGMENT PERFORMANCE 10 CAI $609 $650 SEM Distribution $89 $95 + 7% (+ 10% excluding FX) $363 $433 $24 $24 + 19% Flat $217 $245 $34 $40 + 7% (+ 11% excluding FX) + 13% (+ 17% excluding FX) + 18% (+ 20% excluding FX) Q1 2021 $1,162 $123 Sustainable Solutions 19 8% 7 Healthcare 32 21% 6 Composites (excl. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 43 Capex / Revenue 2022E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 2 2 3 3 7 7 8 P PM AV N C Source: Peer data per Bloomberg market data as of April 21, 2022.

S ee S ec ifi c In st ru ct io ns o n ag e 3. 1 Name (as shown on your income tax return). See instructions. 6 City, state, and ZIP code Requester’s name and address (optional) 7 List account number(s) here (optional) Part I Taxpayer Identification Number (TIN) Enter your TIN in the appropriate box. Go to www.irs.gov/Forms to view, download, or print Form W-7 and/or Form SS-4.

BRIGHT WHITE V1 UV WOODLAND YELLOW F/S 23695 PE STAN-TONE HCC-108246 WHITE

B/S BLACK FB459 WHITE OIL RESIS. GEON E7362 WHITE 1151

WHITE S&P ABS WEST WHITE PP STAN-TONE DB-30908 WHITE

S4000 WHITE HO A/S AQUA BLUE MM166W WHITE