: 14/12/1990 Company Type : PRIVATE COMPANY LIMITED BY SHARES Status : Live Company Status Date : 14/12/1990 Principal Activities Activities (I) WHOLESALE TRADE OF A VARIETY OF GOODS WITHOUT A DOMINANT PRODUCT (46900) : IMPORT/EXPORT AND SALES OF POLYMERS Description : Activities (II) : Description Capital CurrencyIssued Share Capital Share TypeNumber of Shares * (AMOUNT) 694600 SINGAPORE, DOLLARS ORDINARY694600 7200000 UNITED STATES OF AMERICA, DOLLARS ORDINARY7200000 * Number of Shares includes number of Treasury Shares CurrencyPaid-Up Capital Share TypeNumber of Shares (AMOUNT) 694600 SINGAPORE, DOLLARS ORDINARY 7200000 UNITED STATES OF AMERICA, DOLLARS ORDINARY Page 1 of 4 Number Of Shares Currency COMPANY HAS THE FOLLOWING ORDINARY SHARES HELD AS TREASURY SHARES Registered Office Address 3 INTERNATIONAL BUSINESS PARK #04-14/15 NORDIC EUROPEAN CENTRE SINGAPORE (609927) Date of Address 16/08/2020: Date of Last AGM : 29/08/2020 Date of Last AR : 26/10/2020 FYE As At Date of Last AR : 31/12/2019 Audit Firms NAME ERNST & YOUNG LLP Amount Secured Chargee(s) Charges CurrencyCharge No. 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.

Utilizing the Social Plastic from Plastic Bank, two new Maxxam™ REC Recycled Polyolefin formulations were developed, one in each RAL color requested. The Maxxam REC Recycled Polyolefin formulations met the required technical specifications, including good UV resistance, scratch resistance, impact resistance, and with a matte finish, making them suitable for use in the cubyko leaf waterproof outdoor socket. THE IMPACT The new Maxxam REC Recycled Polyolefin formulations from Avient enabled Hager to bring the new cubyko leaf to market quickly, with a first launch in the French market in January 2024.

750009A 10% 249-1284 BLUE/90% CC PP FR 8-6 LMS-1000

GEON EXP CP 1502133001 WHITE 1284 PP FR 8-6 LMS-1000

Página 4 de 11 Cámara de Comercio de Bogotá Sede Virtual CERTIFICADO DE EXISTENCIA Y REPRESENTACIÓN LEGAL Fecha Expedición: 12 de abril de 2021 Hora: 13:04:47 Recibo No. Cumplir las demás funciones que por la naturaleza del cargo le corresponden. 11. Página 11 de 11

New Maxxam™ BIO Bio-Based Polyolefins can be filled with up to 40% bio-filler from cellulose fiber.  POMMERLOCH, Luxembourg – February 7, 2023 – Today, Avient Corporation announced an expansion to its portfolio of Maxxam™ BIO bio-based polyolefins, strengthening its commitment to provide more sustainable solutions. Initially launched at the K Show in October 2022, Maxxam™ BIO bio-based polyolefins are formulated with both bio-based resin and/or filler from natural sources such as olive seed powder.

Avon Lake, Ohio 11. Gazientep, Turkey 11. R&D Spend U .S .

Avon Lake, Ohio 11. Gazientep, Turkey 11. R&D Spend U .S .

AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) AU G U S T 2 0 2 3 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. GUIDANCE 11 $845 $824 $130 $131 Sales Adjusted EBITDA (in millions) $0.60 $0.63 (in millions) Q2 2023 PERFORMANCE VS. GUIDANCE 12 15.4% 15.9% Adjusted EBITDA Margin % Better-than-expected margins driven by: • Favorable mix - strong demand for composite applications • Raw material deflation Q2 EBITDA BRIDGE 13 ($ millions) CAI: Price / Mix 7) Deflation 11) SEM: Price / Mix 2) Deflation 6) Net Price Benefit 26) Wage and Energy Inflation (10) Cost Reductions 13) FX (2) Q2 2023 Actual $131) Adjusted EBITDA Q2 2022 Pro Forma $ 172) Demand (68) • Demand conditions vs. expectations: LATAM • Net price benefit remains greater than wage and energy inflation • Clariant synergies and reduced administrative costs Q2 2023 SEQUENTIAL SALES BY REGION Q 2 2 0 2 3 v s .

Hammerhead™ FR Flame Retardant Composite Panels Avient’s Hammerhead™ FR thermoplastic composite sandwich panels with integrated flame-retardant technology. Download eBook to get an in-depth look on how you can benefit from Hammerhead FR Panels