10011390 RED W/ RELEASE Safety Data Sheets Substance Safety Summaries

MM443 BLACK HOT PLATE AIR RELEASE ADDED Safety Data Sheets Substance Safety Summaries

MOLD RELEASE & CTR Safety Data Sheets Substance Safety Summaries

M00047 NPT FOIL RELEASE Safety Data Sheets Substance Safety Summaries

IR Presentation - Q4 2016v13 PolyOne Investor �Presentation�March 2017 Forward-Looking Statements Use of Non-GAAP Measures What We Do At a Glance Returning Cash to Shareholders Slide Number 7 Proof of Performance & 2020 Platinum Vision Ours is Not a Cost Cutting Story Innovation Drives Earnings Growth Primary Industries Served Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Why Invest In PolyOne?

Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. No statement of agreement, oral or written, made before or at the formation of the contract shall vary or modify the written terms hereof, and neither party shall claim any amendment, modification or release from any provision hereof unless such change occurs in a writing signed by the other party and specifically identifying it as an amendment to the contract. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 22.

Microsoft Word - Avient Announces Second Quarter 2025 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2025 Results • Second quarter sales of $867 million reflect 2% growth over the prior year quarter and includes a favorable impact of 1% from foreign exchange • Second quarter GAAP EPS of $0.57 compared to $0.36 in the prior year quarter • Second quarter adjusted EPS of $0.80 exceeds previous guidance of $0.79; represents 5% growth over the prior year quarter and includes a favorable impact of $0.01 attributable to foreign exchange • 2025 full-year adjusted EPS guidance range narrowed to $2.77 to $2.87 from previous guidance of $2.70 to $2.94 • Strong cash flow from operations of $113 million in the quarter supported $50 million of debt repayment; on-track to reduce debt in total by $100 to $200 million by year-end CLEVELAND – August 1, 2025 – Avient Corporation (NYSE: AVNT), an innovator of materials solutions, today announced its second quarter results for 2025. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. https://www.avient.com/investors https://edge.media-server.com/mmc/p/uxwr6azx/ https://www.avient.com/investors https://register-conf.media-server.com/register/BI382391ef65ac4be8a89542609691ae56 https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Visit www.avient.com to learn more. 4 Forward-looking Statements In this press release, 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.

Microsoft Word - Avient Announces First Quarter 2025 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2025 Results • First quarter sales of $827 million, reflects 2% organic growth over the prior year quarter, excluding the impact of foreign exchange • First quarter GAAP EPS of ($0.22) compared to $0.54 in the prior year quarter • First quarter adjusted EPS of $0.76, in-line with guidance; growth of 4% over the prior year quarter, excluding an unfavorable impact of $0.03 from foreign exchange • 2025 full year adjusted EPS guidance range of $2.70 to $2.94, unchanged from prior guidance CLEVELAND – May 6, 2025 – Avient Corporation (NYSE: AVNT), an innovator of materials solutions, today announced its first quarter results for 2025. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. https://www.avient.com/investors https://edge.media-server.com/mmc/p/tay7mbuw/ https://www.avient.com/investors https://register-conf.media-server.com/register/BI648915d05d0c44c4bdef681472840ace https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Visit www.avient.com to learn more. 4 Forward-looking Statements In this press release, 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.

Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information 15. No statement of agreement, oral or written, made before or at the formation of the contract shall vary or modify the written terms hereof, and neither party shall claim any amendment, modification or release from any provision hereof unless such change occurs in a writing signed by the other party and specifically identifying it as an amendment to the contract. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 19.

Examples include Residual Risk Reduction (R3), which incorporates behavioral safety, improvements to safety leadership, various safety suggestion mechanisms, internal and external audit systems, and quarterly Global Safety Days. Ongoing potential risk identification and mitigation in occupational health and safety is critical to our “safety first” culture. Through this data, we create safety data sheet sand customer certification statements for intended use and product safety improvements.