These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. At Avient, we’ve built a culture of winning and how we do so is unique, lasting and difficult to replicate.

It’s at the heart of why we are better together. Avient Corporation 104 Unprecedented Market Opportunity $3 Billion Market • 5G Infrastructure • Vehicle Electrification • IoT, Wearables • Home Health & Consumer Medical Devices Engineered Materials: Revolutionary Adaptation Source: Lux Research Inc., How can Avient “capture & create” value in this segment? It’s how we innovate best for them.

We held our priorities firm by keeping health and safety first, providing world-class service to our customers, and utilizing our unique position to aid in recovery efforts as an essential supplier throughout the world.” 2021 Outlook Commenting on the Company’s 2021 outlook, Mr. Non-GAAP Reconciliation The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for adjusted earnings per share, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. Three Months Ended December 31, Year Ended December 31, 2020 2019 2020 2019 Sales: Color, Additives and Inks $ 525.8 $ 226.7 $ 1,502.9 $ 1,003.8 Specialty Engineered Materials 190.6 177.5 708.8 745.7 Distribution 305.1 272.4 1,110.3 1,192.2 Corporate and eliminations (24.5) (18.0) (79.9) (79.0) Sales $ 997.0 $ 658.6 $ 3,242.1 $ 2,862.7 Gross margin: Color, Additives and Inks $ 164.3 $ 73.9 $ 484.4 $ 338.4 Specialty Engineered Materials 59.1 47.7 207.6 200.2 Distribution 32.4 31.0 124.0 132.1 Corporate and eliminations (2.9) 0.7 (31.7) (13.5) Gross margin $ 252.9 $ 153.3 $ 784.3 $ 657.2 Selling and administrative expense: Color, Additives and Inks $ 106.8 $ 46.7 $ 303.6 $ 191.0 Specialty Engineered Materials 28.7 28.9 113.2 116.5 Distribution 14.4 14.0 54.5 56.7 Corporate and eliminations 38.0 43.2 123.7 136.2 Selling and administrative expense $ 187.9 $ 132.8 $ 595.0 $ 500.4 Operating income: Color, Additives and Inks $ 57.5 $ 27.2 $ 180.8 $ 147.4 Specialty Engineered Materials 30.4 18.8 94.4 83.7 Distribution 18.0 17.0 69.5 75.4 Corporate and eliminations (40.9) (42.5) (155.4) (149.7) Operating income $ 65.0 $ 20.5 $ 189.3 $ 156.8 11 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

At the highest level, Avient’s Board of Directors has a long-standing Environmental, Health & Safety (EH&S) Committee that oversees and monitors environmental, health, safety, security and product stewardship policies, standards and practices. Safety & Health Policy, which focuses on providing a safe and healthy workplace for our associates, contractors and visitors through building an actively caring culture; How can we help you?

We were also effective in applying our operational know-how in our North American asset realignment at legacy Spartech operations. Within these global business segments and functional departments are the heart and soul of all we accomplish. Environmental, Health and Safety 4.

Knowing that the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work, we let our personal values of Integrity, Honesty and Respect shape the way we do business. How Our Products Enable Sustainability How can we help you?

There is a potential for ‘weak spots’ where the barrier additive is less concentrated and this could affect protection levels. Some UV additives can affect the clarity of clear and transparent PET containers. How can we help you?

Ongoing potential risk identification and mitigation in occupational health and safety is critical to our “safety first” culture. Focus on continuous improvement in this area is described in Occupational Health and Safety. How can we help you?

Emulsion Seed x200 How can we help you?

Initially launched at the K Show in October 2022, Maxxam™ BIO bio-based polyolefins are formulated with both bio-based resin and/or filler from natural sources such as olive seed powder. How can we help you?