ColorMatrix™ Excelite™ Foaming Agents High performance liquid foaming additives for extrusion applications PRODUCT DESCRIPTION Excelite™ high performance liquid foaming additives are specifically designed for vinyl, polyethylene and polystyrene foaming applications. The combination of carrier selection and high active loading permits targeting of greater density reduction. With less impact on the manufacturing process, more CFA can effectively be introduced.

Impact on cost of sales Impact on operating income Diluted earnings per common share impact

In creating the Black Label, Rome sought to add a premium highback to their binding collection that would be flexible and durable, providing highly responsive performance in an ultra-light, high-tech binding. THE IMPACT The injection-overmolded Polystrand composite construction in Rome’s Black Label binding is the first of its kind in the industry.

Often, a white–flash–white–flash print order using a finer mesh has dramatic impact on the softness of the print and keeps the opacity of the colors.

273.06 ETFE750 CC HIGH BLUE 273.08 ETFE750 CC HIGH GREY 273.62 ETFE750 CC HIGH RED

This translates to 6% adjusted EPS growth, excluding the impact of foreign exchange, and an encouraging start to the year, especially considering the outsized timing of defense orders that benefited the first quarter last year.” The mid-point of the adjusted EPS range of $2.82 represents 11% growth, excluding the unfavorable impact from foreign exchange of $0.12 for the full year.” By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable.

At Avient, we recognize that sustainable business practices can positively impact the issue of climate change. However, by taking advantage of developments in longer-term carbon management and removal technologies and circularity, we are committed to enabling positive climate impacts across our value chain. This tool encourages investments in low-carbon & carbon-free technologies while increasing the visibility of, and encouraging accountability for, the impact of carbon emissions on the business.

ColorMatrix AAzure has shown to have a much improved impact on the recycling process, with reduced yellowing through multiple heat histories. LD R (% ) 14 15 16 17 8 9 10 11 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 Impact of 5 Melt Heat Histories on Preform Color Reference ColorMatrix AAzure Reduction in AA Level 35% 55% 70% ColorMatrix AAzure allows for further optimization of the polymer weight distribution during the bottle blowing process, which improves mechanical strength and bottle quality. This improves processability at high levels of rPET, reducing blowouts, improving productivity, allowing for higher levels of rPET use, and also lightweighting.

Consumers and investors alike are paying close attention to plastic packaging and its potential negative impact on the environment. In 2019, the EU enacted its Single Use Plastics directive aimed at reducing the impact that such products have on the environment. These commitments and mandates will continue to drive the high and increasing demand for recycled plastic bottles.

Unless otherwise stated, Adjusted Operating Income, Adjusted EBITDA and Adjusted EPS figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases. ColorWorks innovation centers are specially designed to foster imagination and enable creative exploration of innovative solutions • Focus on customers’ sustainability initiatives through recyclability and post-consumer recycled materials for packaging applications • Supports 8-12% long-term revenue growth expectations across our sustainable solutions portfolio 8 2020 Pro forma $870 $69 Sustainable Solutions 66 37% 26 Healthcare 29 20% 7 Composites 12 36% 6 Growth in Asia / LATAM 47 39% 11 Other 190 48% 22 Sub-total $1,214 40% $141 COVID Response Applications (15) (8) FX Impact 36 4 Synergies 11 Incentives, Travel, Other Employee Costs (26) 2021 Actual $1,235 42% $122 Q2 2021 ORGANIC SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 9 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Adjusted Operating Income$ millions (1) 10 Q2 2020PF Q2 2021 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) Financial information is presented on a constant currency basis (1,2) (44% of total revenue) (56% of total revenue) Q2 END MARKET SALES PERFORMANCE +26% +38% +46% +103% +51% +9% +7% +67% Energy Telecom Building & Construction Transportation Industrial Healthcare Packaging Consumer Q2 YEAR-OVER-YEAR EBITDA BRIDGE Q2 2020 Pro forma $ 106 Demand 69 11 Adjusted EBITDA$ millions • Demand impact driven by growth in sustainable solutions and consumer products • Price increases more than offset raw material and supply chain impacts (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1) CAI: Price / Mix 40 Inflation (32) SEM: Price / Mix 23 Inflation (18) Distribution: Price / Mix 81 Inflation (77) Net Price Benefit 17 Supply Chain Disruptions (14) COVID Response Applications (8) Synergies 11 Incentives, Travel, FX, Other (22) Q2 2021 Actual $ 159     Q1 2021 Actual $ 161 CAI: Price / Mix 32 Inflation (22) SEM: Price / Mix 15 Inflation (9) Distribution: Price / Mix 50 Inflation (48) Net Price Benefit 18 Supply Chain Disruptions (12) Demand / Seasonality (6) Other (2) Q2 2021 Actual $ 15912 Adjusted EBITDA$ millions • Price increases more than offset raw material and freight inflation impacts • Demand impact driven by Q2 seasonality for the business Q1 TO Q2 SEQUENTIAL EBITDA BRIDGE     Q 3 A N D F U L L Y E A R 2 0 2 1 O U T L O O K $74 $98 2020 2021E $0.46 $0.68 2020 2021E ORGANIC GROWTH PROJECTIONS – Q3 ( T O TA L C O M PA N Y ) 14 Sales Adjusted Operating Income $925 $1,150 2020 2021E + 24% Adjusted EPS + 32% + 48% (in millions) (in millions) FULL YEAR GUIDANCE INCREASED 15 Sales Adj. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 25 Avient reflects 2021 estimated EBITDA of $580M O U R VA LUATI O N V E R S U S P E E R S Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 18.5 15.1 15.1 14.0 11.0 10.4 29.5 28.2 23.9 18.7 12.4 12.2 11.1 9.3 9.2 9.2 7.6 7.6 6.0 A vi e n t K W R P P G A V Y R P M F U L G C P A L B H X L E C L IF F F M C B N R A S H S C L E M N U N V R K R A C E H U N Median: 11.1xMedian: 14.6x S U M M A RY: W H Y I N V E S T I N AV I E N T ?