Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™. Our innovations cover a broad range of products in several end markets, from insulator rods in power distribution to life saving vests and protective materials for the military and law enforcement agencies manufactured using Dyneema® fiber.

LEARN MORE Dyneema® from Bio-circular Feedstocks Dyneema fiber sourced from bio-circular raw materials and ISCC-certified offers reduced carbon footprint than traditional high molecular weight polyethylene fibers.

We now have what we believe to be the strongest portfolio offering in the history of the company with 100% of sales now being generated from specialty applications. 2022 Company highlights include: • Completed the acquisition of the DSM Protective Materials business ("APM"), including the Dyneema® brand, the World's Strongest Fiber™ (the "APM Acquisition"); • Completed the sale of our Distribution business for $950.0 million; • Full-year GAAP EPS from continuing operations was $0.90 in 2022, compared to $1.65 in 2021; • Increased pro forma adjusted EPS from continuing operations from $3.02 in 2021 (pro forma for the APM Acquisition and the sale of our Distribution business) to $3.04(1) in 2022; • Strong working capital performance to finish the year resulted in cash flow from operations of approximately $400 million for 2022; • Generated approximately $290 million(1) of free cash flow, paid down $950 million of debt and ended the year with a net debt-to-EBITDA leverage ratio of 2.9x(1); • Increased our dividend on an annualized basis by 4% to $0.99; the 12th consecutive year of annual increase; • Our injury incident rate was 0.51 (per 100 full-time workers per year) compared to the industry average of 3.40 in 2021; • Certified again as an ACC Responsible Care® organization for outstanding environmental, health, safety and security performance; and • Continued our journey of improving our culture: received our 4th certification as a Great Place to Work® by the Great Place to Work Institute, and the highest scores in the Company's history. (1) Adjusted EPS, Adjusted EPS pro forma for the APM Acquisition and the sale of our Distribution business, free cash flow, and net debt-to-EBITDA leverage ratio are financial measures that are not presented in accordance with generally accepted accounting principles ("GAAP"). Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports; • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy; • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint; • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility. Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports; • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy; • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint; • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility.

Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports; • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy; PROXY SUMMARY 6 PROXY STATEMENT 2024 | Annual Meeting of Shareholders • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint; • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resources conservation and fiber optic / 5G network accessibility.

The analysis also informed acquisition of the protective materials business of DSM (including the Dyneema brand), now called Avient Protective Materials (APM). The policies informed its purchase of the protective materials business of DSM (including the Dyneema brand), which is now called as Avient Protective Materials (APM).

Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports; • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy; PROXY SUMMARY 6 PROXY STATEMENT 2024 | Annual Meeting of Shareholders • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint; • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resources conservation and fiber optic / 5G network accessibility.