Form 4 Canada Business Corporations Act (CBCA) (s. 27 or 177) Formulaire 4 Loi canadienne sur les sociétés par actions (LCSA) (art. 27 ou 177) Articles of Amendment Clauses modificatrices Corporate name Dénomination sociale 1 Clariant Plastics & Coatings Canada Inc.

Employees 4 Sole shareholder Name Clariant Plastics & Coatings AG Visiting address Rothaustrasse 61, CH-4132 Muttenz 1, Switzerland Registered in Handelsregister Basel-Landschaft, Switzerland This extract has been certified with a digital signature and is an official proof of registration in the Business Register.

Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of Clariant Color for periods prior to the Acquisition Date. Morgan • New Senior Secured Term Loan B and new Senior Unsecured Notes • Potential proceeds from sale of Distribution business modeled to pay off 5.25% senior notes due 2023 and Term Loan • Acquisition aligned with Avient’s track record of disciplined capital allocation policy • Existing dividend policy maintained, focus on deleveraging in the near term (1) (1) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution, including repayment of senior notes due 2023 and Term Loan Cash and Cash Equivalents 595$ Senior Secured Term Loan due 2026 605$ New Senior Secured Term Loan B 500 Total Senior Secured Debt 1,105$ Senior Unsecured Notes due 2025 650$ New Senior Unsecured Notes 740 Total Senior Unsecured Debt 1,390$ Total Debt 2,495$ Net Debt 1,900$ 2022 Pro forma Adjusted EBITDA 660$ Net Debt / Adjusted EBITDA 2.9x Pro Forma Capitalization (2022 estimates, all figures in $M) TWO-YEAR LEVERAGE GOAL 24 3.5x 2.7x 1.7x 2.9x 2.5x 2.2x 2019PF 2020PF 2022E 2022PF 2023E 2024E Dyneema® AcquisitionClariant Color Acquisition (1) Pro forma for the acquisition of the Clariant Color business (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution, including repayment of senior notes due 2023 and Term Loan (1) (1) (2) 25 PRO FORMA MODELING 2022E Pro Forma Pro Forma ($M) w/ Dyneema w/Sale Revenue 5,100$ 415$ 5,515$ (1,775)$ 3,740$ Adjusted EBITDA 635 130 765 (105) 660 EBITDA % 12% 31% 14% 6% 18% Pro Forma EPS (Adjusted) 3.50$ 0.00$ 3.50$ (0.56)$ 2.94$ Pro Forma EPS (excl. amortization) 3.96$ 0.35$ 4.31$ (0.56)$ 3.75$ Leverage (12/31/2022E) Net Debt / Adjusted EBITDA 1.7x 3.5x 2.9x Avient Dyneema Distribution® ® OUR SPECIALTY JOURNEY ACQUISITION HISTORY 27 Commercial Resources(1) Operating Income ($ in millions) Operating Margins 259 360 At Acquisition 2021 $40 $122 At Acquisition 2021 9% 21% At Acquisition 2021 Established Acquisitions (> 7 years) + 39% + 210% + 1200 bps (1) Commercial Resources include associate headcount in R&D / Technical, Marketing and Sales CLARIANT COLOR ACQUISITION 28 $133 $205 2019PF 2021 28 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.1x 2019PF 2021 2021 w/ Full Synergies • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $54 million of synergies realized in 2021 • Acquisition completed on July 1, 2020 for $1.45 billion.

About Plastic Bank     Plastic Bank is revealing value in plastic waste to help end poverty. PlasticBank® and Social Plastic® are registered trademarks of The Plastic Bank Recycling Corporation. 

Homepage // News Center // Colorants and Additives from Avient for Sustainable Luxury Plastic Packaging to be Featured at LUXE PACK New York Plastics Pact 2023 Sustainable Packaging Innovation Award for Recyclability. In addition, ColorForward™ 2024, the annual color forecasting guide for the plastics industry, will be on display.

Homepage // News Center // Avient to Present on Lightweighting Design Innovation and Sustainable Additive Solutions at the Plastics in Automotive Engineering Conference The two-day conference, which takes place at the Rosengarten Center in Mannheim, brings together global automotive plastics experts interested in using plastics in interior, exterior, and under-the-hood vehicle applications. Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

CLARIANT PRODUCT FZ43766050 IS LESS PINK

In addition, the plastic waste problem remains a priority for our world and our industry, as education eff orts on the sustainable and inherent benefits of polymers run in parallel with collaborative work to eliminate plastic waste. While the Clariant announcement captured headlines to close out 2019, successes within our Products cornerstone began at the onset of the year. That’s why in January of 2019 we were very proud to have joined the Alliance to End Plastic Waste (AEPW) as a founding member.

Homepage // News Center // Avient Joint Study with Borealis Reveals Wide Range of Color Options for Recycled Plastics K 2022, the world’s largest plastics industry event, will take place from 19 to 26 October 2022 in Düsseldorf, Germany. Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.  

CLARIANT BROWN