This includes restructuring actions to accelerate the remaining synergies associated with the Clariant Color acquisition, particularly in Attachment 6 Color, Additives and Inks

Microsoft Word - Letter Detail Bank Account.docx Avient Colorant Malaysia Sdn Bhd Formerly Known as Clariant Masterbatches (M) Sdn Bhd Company No: 199701025292 (440790-X) Shah Alam Office: Butterworth Site: No. 79 & 80, Hicom Sector B, Lot 1232, MK. 15, Jalan Teluk Gadung 27/93A, Kawasan Industri Kecil & Sederhana, 40000 Shah Alam, Simpang Ampat, Selangor Darul Ehsan, Malaysia. 14120 S.P.S. Tel: (603) 5101 2888 Fax: (603) 5191 8718 Tel: (604) 588 0668 Fax: (604) 588 0590 www.avient.com Date : 17 May 2021 Dear Valued Customer, RE : Electronics Payment Info COMPANY : Bank Account Name: Avient Colorants Malaysia Sdn Bhd Formerly known as CLARIANT MASTERBATCHES (M) SB Business Registration No.: 199701025292 (440790X ) Address : Lot 1232, MK 15, Kawasan Industri Kecil & Sederhana, Simpang Ampat, 14120 S.P.S. Yours faithfully, For and on behalf of, Avient Colorants Malaysia Sdn Bhd Formerly known as Clariant Masterbatches (M) Sdn Bhd This is computer generated document and no signature is require

Additives and Colorants for Stadium and Arena Seats Over time arena seats can be susceptible to loss of mechanical properties and color fading due to sun exposure. Custom color solutions are also available on request. COLOR RAL REFERENCE COLOR RAL REFERENCE 1015 Brown/12 6026 Green/14 1034 Yellow/14 6032 Green/20 1018 Yellow/19 7004 Grey/21 1003 Yellow/20 8025 Brown/14 3020 Red/15 9022 Pearl Grey/1 5005 Blue/35 9010 White/5 5000 Blue/36

SURGICAL INSTRUMENT OEM D E N T A L S C A L E R • Attain an extreme white color to appear hygienic and aesthetically pleasing • Ability to laser mark the brand • Maintain impact resistance • Achieved a clean, bright white color that provided a more pleasing experience for patients • Allowed scaler to be laser marked for brand identification • Met the need for impact resistance and successfully passed the drop test requirements Transcend™ Premier Healthcare Colorants KEY REQUIREMENTS WHY AVIENT? All Rights Reserved. https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates/colorant-chromatics-transcend-premier-healthcare-colorants

Langiewicza 50 95-050 Konstantynów Łódzki Poland Clariant Masterbatches (Saudi Arabia) Ltd Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 2nd Industrial City, Al-Kharj Road Riyadh Saudi Arabia Avient Colorants Singapore Pte Ltd Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 1 International Business Park Singapore 609917 Avient Colorants Singapore Pte Ltd Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport 8 Third Chin Bee Road Singapore 618684 Avient South Africa (Pty) Ltd. Page 3 of 4 https://abs.ez2xs.com https://abs.ez2xs.com Avient Colorants Thailand Ltd. Development and manufacturing of Colorants products (including additive Masterbatch) No. 2 Nan Yun San Rd., Science City 510663 Guangzhou Avient Colorants (Shanghai) Ltd.

FDA/EU compliance information available upon request REMAFIN™ EP White Colorants for Pharmaceutical Packaging REMAFIN™ EP is a range of PE and PP based masterbatches designed for protecting oral, topical, parenteral, ophthalmic and nasal pharmaceuticals by opacifying primary and secondarypharmaceutical packaging. REMAFIN™ EP WHITE PORTFOLIO Copyright © 2021, Avient Corporation.

The light quality was further diminished when a white lens, intended to produce a bright white light, instead appeared washed-out and gray. This optimized combination of additive and color technology eliminated the “hot spots,” and achieved the sought-after bright white light, and streamlined the entire manufacturing process by enabling in-house production. Smartbatch solutions incorporate color, light diffusion technology and flame retardant into a single masterbatch.

Additives and Colorants for Stadium and Arena Seats Over time arena seats can be susceptible to loss of mechanical properties and color fading due to sun exposure. Custom color solutions are also available on request. COLOR RAL REFERENCE COLOR RAL REFERENCE 1015 Brown/12 6026 Green/14 1034 Yellow/14 6032 Green/20 1018 Yellow/19 7004 Grey/21 1003 Yellow/20 8025 Brown/14 3020 Red/15 9022 Pearl Grey/1 5005 Blue/35 9010 White/5 5000 Blue/36

Certificate of Amendment Loi canadienne sur les sociétés par actionsCanada Business Corporations Act Certificat de modification Avient Colorants Canada Inc. 942266-8 Corporate name / Dénomination sociale Corporation number / Numéro de société Raymond Edwards Date of amendment (YYYY-MM-DD) Date de modification (AAAA-MM-JJ) Director / Directeur 2021-01-15 I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attached articles of amendment. 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. Corporation number Numéro de la société 2 942266-8 The articles are amended as follows Les statuts sont modifiés de la façon suivante 3 The corporation changes its name to: La dénomination sociale est modifiée pour : Avient Colorants Canada Inc.

This includes increasing customer and employee engagement, optimizing our cost structure by capturing additional synergies from the Clariant acquisition, and minimizing working capital.” 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 Securities and Exchange Commission. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Three Months Ended March 31, 2023 2022 Sales: Color, Additives and Inks $ 537.0 $ 649.5 Specialty Engineered Materials 309.7 243.1 Corporate (1.0) (0.4) Sales $ 845.7 $ 892.2 Gross margin: Color, Additives and Inks $ 162.0 $ 192.1 Specialty Engineered Materials 93.9 68.4 Corporate (8.3) (6.1) Gross margin $ 247.6 $ 254.4 Selling and administrative expense: Color, Additives and Inks $ 96.4 $ 97.6 Specialty Engineered Materials 50.8 30.1 Corporate 43.3 24.5 Selling and administrative expense $ 190.5 $ 152.2 Operating income: Color, Additives and Inks $ 65.6 $ 94.5 Specialty Engineered Materials 43.1 38.3 Corporate (51.6) (30.6) Operating income $ 57.1 $ 102.2 Depreciation & amortization: Color, Additives and Inks $ 25.8 $ 26.0 Specialty Engineered Materials 21.2 7.8 Corporate 3.5 3.8 Depreciation & Amortization $ 50.5 $ 37.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 91.4 $ 120.5 Specialty Engineered Materials 64.3 46.1 Corporate (48.1) (26.8) Other income (expense), net 0.7 (0.6) EBITDA $ 108.3 $ 139.2 13 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.