3025-GYA80 PP GRAY MASTERBATCH 3044-BUA80 PP BLUE MASTERBATCH 3106-YEA80 YELLOW PP MASTERBATCH

151828 BK PE MASTERBATCH 154612 PU PE MASTERBATCH 154623 PK PE MASTERBATCH

23351 BN PE Masterbatch Gravel 55 25696 GN PE Masterbatch 25696 GN PE Masterbatch

185651 GY SAN MASTERBATCH 185654 BN SAN MASTERBATCH 131133 GY ABS MASTERBATCH

030BU216 BLUE PVC CC 030PU71 PURPLE PVC CC 030RD342 RED PVC CC

SÃO PAULO, Brazil – 2019年4月19日 – During the 2019 Feiplastic tradeshow here next week, PolyOne will feature enhanced local service capabilities in South America, combined with its unmatched portfolio of polymer colorants and additives that span both solid masterbatch and liquid colorant solutions. Masterbatch Colorant Solution Now available in South America, OnColor™ SC Super Concentrates are densely pigmented masterbatches that feature greater active loadings to lower colorant use rates without compromising quality

SHANGHAI – 2020年9月11日 – Avient Corporation, a premier global provider of specialized and sustainable material solutions and services to the healthcare industry, will feature a combined portfolio of polymer formulations, colorants, functional masterbatches, and thermoplastic elastomers at Medtec China 2020 next week. Avient’s robust portfolio of products and services from its legacy businesses – PolyOne and Clariant Masterbatch – is complemented by its global healthcare industry expertise as well as application development, regulatory, and quality services to provide an unparalleled offering. NOTE: On 2020年7月1日, PolyOne and Clariant Masterbatch joined together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe.

Park, Pudong, Shanghai China, 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016/ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Masterbatch Certificate No: 7071-1998-AQ-RGC-RvA Place and date: Shanghai, 19 March, 2021 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31(0)102922689. www.dnvgl.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No.28#C, Jin Bin Hi-Tech Industrial Park, 156 Nan Hai Road, Tianjin Economic-Technological, Tianjin, China, 300457 Manufacture of Masterbatch PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, Pudong, Shanghai, China, 201203 Design and Manufacture of Masterbatch

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

Increased Clariant Masterbatch cost synergy estimate to $75 million from preliminary estimate of $60 million NYSE: AVNT), a leading provider of specialized and sustainable material solutions, provided third quarter financial performance expectations today as well as updated synergy estimates related to the Clariant Masterbatch acquisition. added, "We are also benefitting from the acquisition of the Clariant Masterbatch business, which has been immediately accretive to adjusted EPS."