predecessor company BF Goodrich in 1988 and thereafter ascended in his career through various sales and commercial roles of increasing responsibility – in PP&S; Color, Additives & Inks; and Distribution.  Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Organize Sanayi Bölgesi, 83539 27060 Sehitkamil Türkiye Avient Colorants USA LLC 926 Elliott Road Albion MI 49224 3023 Mayo Street Dalton GA 30720 85 Industrial Park Holden MA 01520 17 Foss Road Lewiston ME 04240 9101 International Parkway Minneapolis MN 55428 United States 337 Timber Road Mooresville NC 28115 United States 4425 East Elwood Street, Suite 104 Phoenix AZ 85040 United States 625 Wegner Drive West Chicago IL 60185 United States 382 Arbor Court Winchester VA 22602 United States Avient Vietnam Company Limited 3 VSIP street 02 75000 Tuan Anh Town Vietnam (Guangzhou) Ltd. Development and manufacturing of Masterbatch products (including additive Masterbatch) No 88 Lane 4377 Jindu Road 201108 Shanghai Page 4 of 4

CLEVELAND - PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that John Mi

Martorell no. 124 Sant Andreu de la Barca, Barcelona 08740 Spain Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Activity: Administration, Site Management, Manufacture, Laboratory, Procurement, Supply Chain Management, Engineering and Maintenance, Infrastructure, Warehouse and Transport Page 8 of 10 926 Elliott Road Albion, MI 49224 3023 Mayo Street Dalton, GA 30720 Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and 85 Industrial Park Holden, MA 01520 17 Foss Rd. No 88 Lane 4377 Jindu Road Minhang District Shanghai, Shanghai 201108 People's Republic of China Activity: Development and manufacturing of Colorants products (including additive Masterbatch) Activity: Development and manufacturing of Masterbatch products (including additive Masterbatch)

TARGET (TUBE) - HC-8121

ROSE Vice President, Corporate Communications Kyle Rose is Vice President, Corporate Communications, for Avient Corporation, the world’s premier provider of specialized and sustainable material solutions and services. Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. Rose served in marketing and communications roles at Navistar and two global public relations firms.

ROSE Vice President, Corporate Communications Kyle Rose is Vice President, Corporate Communications at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. Rose served in marketing and communications roles at Navistar and two global public relations firms.

Date Registered ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment XU TAO EB6238077 CHINESE 30/06/2021ACRA DirectorROOM 102, BUILDING 20, SUB LANE 7, LANE 888, LUOJIN ROAD SHANGHAI, 201104, CHINA CHAN BAI RONG S8534833G SINGAPORE CITIZEN 30/06/2021ACRA Director10A BENDEMEER ROAD #26-103 BENDEMEER LIGHT SINGAPORE (331010) LEE SAY ENG A52290094 MALAYSIAN 30/06/2021ACRA Page 2 of 4 ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment Director168 JINAN ROAD, BUILDING 10, ROOM 802, SHANGHAI CHINA 200021 CHAN LAI YIN S7480587F MALAYSIAN 28/06/2010ACRA Secretary26 SIMEI STREET 1 #11-08 MELVILLE PARK SINGAPORE (529947) LEE WEI HSIUNG S7927166G SINGAPORE CITIZEN 01/12/2009ACRA Secretary633 JURONG WEST STREET 65 #10-310 SINGAPORE (640633) Shareholder(s) Name ID Nationality/Citizenship Place of incorporation/ Origin/Registration Address Changed AVIENT CORPORATION T05UF0103G UNITED STATES OF AMERICA ACRA1 33587 WALKER ROAD, AVON LAKE, OHIO 44012, UNITED STATES OF AMERICA Ordinary(Number) Currency 694600 SINGAPORE, DOLLARS Ordinary(Number) Currency 7200000 UNITED STATES OF AMERICA, DOLLARS Page 3 of 4 Abbreviation UL - Local Entity not registered with ACRA UF - Foreign Entity not registered with ACRA AR - Annual Return AGM - Annual General Meeting FS - Financial Statements OSCARS - One Stop Change of Address Reporting Service by Immigration & Checkpoint Authority.

STAN-TONE HCC-34900 LANE SANDTONE

TS Moss Lane