Additionally, Avient formed an internal Sustainability Council in 2019 that is responsible for managing sustainability initiatives at all levels of our organization in support of our long-term business strategy. More information regarding risks is available in our Annual Report on Form 10-K. For more detailed information on cybersecurity, please refer to our 2024 Annual Report on Form 10-K.

titel 20 21 -0 4- 12 1 4: 06 :2 8 Business Register extract Netherlands Chamber of Commerce CCI number 34246357 Page 1 (of 2) Legal entity RSIN 815617781 Legal form Besloten Vennootschap (comparable with Private Limited Liability Company) Statutory name Avient Colorants Netherlands B.V. The Chamber of Commerce recommends that this document be viewed in digital form so that its integrity is safeguarded and the signature remains verifiable. 20 21 -0 4- 12 1 4: 06 :2 8 under number CHE-112.279.714 Sole shareholder since 20-10-2015 (registration date: 03-11-2015) Board members Name Borst, Rainer Erich Date of birth 10-10-1961 Date of entry into office 01-07-2020 (registration date: 06-07-2020) Title Director Powers Solely/independently authorised Name Kamalak, Ihsan Date of birth 21-08-1985 Date of entry into office 01-07-2020 (registration date: 06-07-2020) Title Director Powers Solely/independently authorised Name Merklein, Norbert Date of birth 03-05-1964 Date of entry into office 05-03-2021 (registration date: 30-03-2021) Powers Solely/independently authorised Extract was made on 12-04-2021 at 14.06 hours. The Chamber of Commerce recommends that this document be viewed in digital form so that its integrity is safeguarded and the signature remains verifiable.

A thermoset is a cross-linked polymer that cannot be reshaped after it’s formed, cured, and cooled. A thermoplastic is not cross-linked, so it can be re-melted and re-formed, much like an ice cube that can melt and re-freeze.

A thermoset is a cross-linked polymer that cannot be reshaped after it’s formed, cured, and cooled. A thermoplastic is not cross-linked, so it can be re-melted and re-formed, much like an ice cube that can melt and re-freeze.

Jellison Sandra B. B-7 4. B-19 22.

The Board believes that risk management is not only understanding the risks we face and what steps management is taking to manage those risks, but also understanding what level of risk is appropriate for Avient overall. Jellison 48,972 (2) — 48,972 * Sandra B. Rathbun 9,600 335,844 2,083 173,323 Option Awards (columns (b) and (c)) Column (b) reports exercises of SARs during 2021 on an aggregate basis.

STAN-TONE HCC-103091 B-CLAY STAN-TONE HCC-103094 B-STEEL STAN-TONE HCC-103095 B-LUNAR

STAN-TONE HCC-103096 B-STORM STAN-TONE HCC-103097 B-TAUPE STAN-TONE HCC-103099 B-BUFF

STAN-TONE HCC-103086 B-CHAR BLACK STAN-TONE HCC-103087 B-PORTABELLA STAN-TONE HCC-103089 B-SHADOW

© PolyOne® Corporation 2007 FOFS-02–72831-B • Massillon, Ohio: Located in the region known for rubber and polymer research, development, and manufacturing, our modern Massillon plant with 90 employees and 100,000 sq. ft. of manufacturing floor space is home to our latest technology. A line of casein-free dispersions is also available. 17 in 11 in 17.25 in 11.25 in CMYK P1PC-011AquamixFactSheet2.indd REMAY 72831-B Zig trim: 17.000" x 11.000" bleed: .125" Digital/IAM QC˛______ ______ Client˛_____ _____ Date ____/____/____ Proof No.4______ 25 50 100 25 50 100 25 2 2 50 100 25 2 2 50 100 Asset No. 72831-B Antioxidants Dispersions AO 2246 Aquamix 105 40 Irganox® 1010 Aquamix 327 40 Irganox® 1076 Aquamix 683 40 Wingstay® L Aquamix 125 50 Antioxidants Emulsions Wingstay® 29/SN-1 Aquamix 312 50 Wingstay® L/SN-1 Aquamix 289 50 Wingstay® L/SN-1 Aquamix 494 60 Higher concentrated version of Aquamix 289. A line of casein-free dispersions is also available. 17 in 11 in 17.25 in 11.25 in CMYK P1PC-011AquamixFactSheet2.indd REMAY 72831-B Zig trim: 17.000" x 11.000" bleed: .125" Digital/IAM QC˛______ ______ Client˛_____ _____ Date ____/____/____ Proof No.4______ 25 50 100 25 50 100 25 2 2 50 100 25 2 2 50 100 Asset No. 72831-B