These include controllers, pumps, and packaging options. VALUE BENEFITS OF USING THE FLEXCART MINI SYSTEM FlexCart units & PlanetPak containers create a market leading metering system: • Robust and dependable system control • Reliable yield (typically 99% using a PlanetPak) and sustainable packaging • Capability of data networking and remote internet support • Simplified changeover with interchangeable cassettes FLEXCART™ MINI LIQUID METERING SYSTEM Combined with the PlanetPak™ delivery packaging Note: PC = Progressing Cavity Pump Peri = Peristatic Pump ATTRIBUTE FLEXCART MINI Footprint (LxW cm) 98 x 38 Controller options 3000 5000 Typical max. throughput (kg/hr) 625 Max. metering rate (cc/s) 10 Continuous use Yes Transfer pumps Peri Metering pumps PC/Peri Interchangeable cassette Yes PLANETPAK™ CONTAINERS The FlexCart system is designed to work with the standardized PlanetPak container range of packaging, typically achieving 99% reliable yield while also achieving a sustainable packaging format that is fully recyclable. OTHER PACKAGING OPTIONS The FlexCart Mini system can be used with other containers, which could include Intermediate Bulk Containers (IBC).

COLORMATRIX™ AANCHOR™ Acetaldehyde Control Technology for PET Enhance the Recyclability and Quality of PET Packaging While Reducing Regulatory Risk ColorMatrix™ AAnchor™ is an innovative acetaldehyde control technology designed to address the challenges associated with increased rPET content in PET packaging. CHOOSE COLORMATRIX AANCHOR FOR SUSTAINABLE AND HIGH-QUALITY PET PACKAGING ColorMatrix AAnchor is an innovative solution for the polymer industry, offering a comprehensive solution to enhance the recyclability, quality, and regulatory compliance of PET packaging. This results in improved taste and odor control, extending the shelf life of the packaged products.

OnCap™ Anti-fog Additives Fog formation on food packaging frustrates consumers, can lead to product spoilage, and ultimately hinders sales. Formulations of OnCap™ anti-fog materials have been developed for use in many of the different film constructions designed for fresh food packaging. Packaging made with anti-fog additives offers the transparency and fog prevention required to confidently present fresh foods to consumers.

We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. Purchase price multiple rapidly declining on strength of business and synergy capture 12 $133 $201 2019PF 2022E 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies (1) (1) 11.9% 16.3% 2019PF 2022E EBITDA Margins (1) CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION ($ in millions) (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 13 Distribution DSM Protective Materials BOLT-ON ACQUISITION HISTORY 14 Commercial Resources Operating Income ($ in millions) Operating Margins 259 363 At Acquisition 2022E $40 $139 At Acquisition 2022E 9% 22% At Acquisition 2022E Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 7% 46% 67% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 15 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Industrial 15% Transportation 14% Energy 4% Telecom. 2% 2006 2022 Pro Forma Healthcare 8% Packaging 23% Consumer 21% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% Defense 6% END MARKET FOCUS ON LESS CYCLICAL INDUSTRIES 16 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPECIALTY EBITDA MARGIN EXPANSION 17 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 18 Adj. Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M (1) Transportation 9% Healthcare 8% 29 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .3 B ILL ION US & Canada 35% EMEA 40% Asia 20% Latin America 5% END MARKET REGION 30 Packaging 33% Consumer 22% Healthcare 9% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 1% Figures represent 2022 full year estimates S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 50% EMEA 35% Asia 15% REGION 31 Figures represent 2022 full year estimates Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 31% Consumer 28% Healthcare 8% Industrial 13% Building & Construction 5% Telecommunications 3% Energy 2% Defense 1% Asia (20% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 29% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 11% Energy 5% Defense 7% EMEA (35% of sales) Transportation 10% Packaging 14% Consumer 23% Healthcare 11% Industrial 15% Building & Construction 12% Energy 5% Defense 7% US & Canada (40% of sales) Transportation 7% Packaging 49% Consumer 22% Healthcare 8% Industrial 9% Building & Construction 6% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3%Telecommunications 6% Figures represent 2022 full year estimates32

We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. Purchase price multiple rapidly declining on strength of business and synergy capture 12 $133 $201 2019PF 2022E 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies (1) (1) 11.9% 16.3% 2019PF 2022E EBITDA Margins (1) CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION ($ in millions) (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 13 Distribution DSM Protective Materials BOLT-ON ACQUISITION HISTORY 14 Commercial Resources Operating Income ($ in millions) Operating Margins 259 363 At Acquisition 2022E $40 $139 At Acquisition 2022E 9% 22% At Acquisition 2022E Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 7% 46% 67% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 15 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Industrial 15% Transportation 14% Energy 4% Telecom. 2% 2006 2022 Pro Forma Healthcare 8% Packaging 23% Consumer 21% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% Defense 6% END MARKET FOCUS ON LESS CYCLICAL INDUSTRIES 16 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPECIALTY EBITDA MARGIN EXPANSION 17 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 18 Adj. Sales EBITDA Specialty Engineered Materials Color Additives and Inks $585M$3,635M (1) Transportation 9% Healthcare 8% 29 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .3 B ILL ION US & Canada 35% EMEA 40% Asia 20% Latin America 5% END MARKET REGION 30 Packaging 33% Consumer 22% Healthcare 9% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 1% Figures represent 2022 full year estimates S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 50% EMEA 35% Asia 15% REGION 31 Figures represent 2022 full year estimates Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 31% Consumer 28% Healthcare 8% Industrial 13% Building & Construction 5% Telecommunications 3% Energy 2% Defense 1% Asia (20% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 29% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 11% Energy 5% Defense 7% EMEA (35% of sales) Transportation 10% Packaging 14% Consumer 23% Healthcare 11% Industrial 15% Building & Construction 12% Energy 5% Defense 7% US & Canada (40% of sales) Transportation 7% Packaging 49% Consumer 22% Healthcare 8% Industrial 9% Building & Construction 6% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3%Telecommunications 6% Figures represent 2022 full year estimates32

Rejoin™ PCR Colorants Rejoin™ PCR Colorants use post-consumer recycled (PCR) material as a carrier resin to effectively enable 100% PCR packaging.. Using Rejoin PCR Colorants helps companies enhance brand reputation while meeting their customers’ demand for more sustainable packaging. KEY CHARACTERISTICS • Enables 100% PCR packaging • Helps companies meet sustainability goals • Replaces virgin resin, reducing total energy consumption and limiting emissions* • Combines colorants and functional additives in one solution • Allows for full recyclability of the end product • Provides a lower carbon product footprint than traditional masterbatch • Suitable for use in polyethylene (PET) and polypropylene (PP) as well as in rPET and rPP applications MARKETS AND APPLICATIONS Rejoin PCR Colorants are designed for use in a broad range of applications, including household and personal care packaging, consumer goods, or food and beverage containers.

OnColor™ IR Sortable Black for Recyclable Packaging Allows previously non-recyclable black packaging to be detected, sorted and recycled by NIR equipment in waste management plants. Keeps black packaging within the circular economy and out of landfills. There is also the potential to install intelligent traffic signals with dynamic functioning, improving the efficiency of traffic flows and thereby help protect air quality and congestion.

Case Study - ColorMatrix Impress rPET Bottle vF PDF © 2019, All Right Reserved PolyOne Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 BOTICÁRIO C O S M E T I C P A C K A G I N G • Cosmetic bottle packaging colorant designed to help distinguish product on the shelf • Compatible with sustainable packaging material to enable use in rPET technology • Brand-specified color • Local material development support • Achieved brighter color and more brilliant metallic effect than alternative colorants • Developed for use in 10% recycled rPET bottle • Formulated custom liquid colorant on-site and matched to brand color standard ColorMatrix™ Impress™ High Gloss Metallic Effect Colorants liquid color for bottle packaging KEY REQUIREMENTS WHY POLYONE?

What size of packaging is normally used? The packaging is designed to effectively contain and transport Avient liquid colors and additives. PlanetPak containers are available in a range of sizes either for use with the FlexCart or as standalone packaging for customers’ orders.

VALUE BENEFITS OF USING THE FLEXCART NANO SYSTEM The FlexCart Nano metering system is market leading: • Robust and dependable system control • Reliable yield (typically above 90%) and sustainable packaging • Fully supported technology • Small footprint designed for very low throughputs FLEXCART™ NANO LIQUID METERING SYSTEM Combined with the PlanetPak™ delivery packaging ATTRIBUTE FLEXCART NANO Footprint (LxW cm) 55 x 30 Controller options 3000 Typical max. throughput (kg/hr) 50 Max. metering rate (cc/s) 1.8 Continuous use No Transfer pumps N/A Metering pumps Peri Interchangeable cassette No Note: Peri = Peristatic Pump PLANETPAK™ CONTAINERS The FlexCart range of metering systems is designed to work with the standardized Avient range of packaging, typically achieving 99% reliable yield on continuous operating systems, and at the same time achieving a sustainable packaging format in terms of full recyclability. The PlanetPak container range is the standardized range of packaging used with the FlexCart systems.