Standard packaging for Silcogum: 10 lbs and 50lb cartons (4.5kg and 23kg equivalent). 

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

June 10, 2019 June 10, 2019 You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the

August 10, 2022 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks, including recessionary conditions; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including without limitation, any supply chain and logistics issues; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; information systems failures and cyberattacks; amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; any material adverse changes in the acquired DPM protective materials business; our ability to achieve the strategic and other objectives relating to the Acquisition and the possible sale of the Distribution business segment; and other factors described in our Annual Report on Form 10-K for the year ended You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the

Aliphatic polyketone, often referred to as just polyketone or PK, is a semi-crystalline engineering resin that is an alternating copolymer of carbon monoxide and ethylene with some propylene (1–10%). Avient also soak-tested its performance against other chemicals including 10% hydrochloric acid, 10% calcium chloride, antifreeze, 10% ammonium hydroxide, 12% sodium hypochlorite (bleach), and ethanol.