Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Avient 2011, 2018 and 2021 multiples reflect trailing 12 months EBITDA at December 31. 28 EV / 2023E EBITDA 6.5 8.5 11.0 10.8 16.1 15.5 14.1 14.0 10.3 21.0 19.0 14.3 12.1 11.8 11.7 11.5 9.7 11 21 23 PM AV FM Avient Historic Multiple Avient Specialty Other Specialty / AP P E N DI X 30 Performance Additives 16% Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 40% 37% 18% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Building and END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) 9% 32 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 BILLION US & Canada 34% 38% END MARKET REGION 33 34% 21% Building & 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 BILLION US & Canada 52% 35% 34 19% 8%Industrial 16% 9% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 9% 2022 PROFORMA AVIENT REGIONAL SALES 27% 14% 17% Building & (37% of sales)Transportation 12% Building & US & Canada (40% of sales) 7% 56% 23% 7% Building & 1% LATAM (5% of sales) 3% 35 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Martorell no.124 08740 Sant Andreu de la Barca Spain Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems - Requirements for any organization in the food chain Reg. no. 46388 Page 1 of 1 Validity 25. 02. 2024  – 24. 02. 2027 Issue 25. 02. 2024  A.Grisard, President SQS F.

Microsoft Word - 55453- PolyOne Corporation RCMS 2013 Option 2.docx ABS Quality Evaluations Letter Of Conformity Page 1 of 1 This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 33587 Walker Road Avon Lake, OH 44012 U.S.A.

AVIENT SOLUTION SUSTAINABILITY + AESTHETICS LEARN MORE Avient Corporation 1 https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates/colorant-chromatics-metallic-effect-pre-colored-sulfone-colorants Slide 1: Aviation COMPONENTs manufacturer

Kebijakan Global Avient tentang Antisuap dan Antikorupsi Diterbitkan: 1 Juli 2020 Kebijakan Global Kita tentang Antisuap dan Antikorupsi 1 Pentingnya Kepatuhan 1 Tanggung Jawab Kita 1 Apa yang Dimaksud dengan Suap? Menawarkan barang berharga tidak boleh disalahartikan sebagai pengeluaran yang sah, wajar, dan terbatas untuk hadiah, hiburan bisnis, dan kegiatan sah lainnya yang berkaitan langsung dengan perilaku bisnis Avient. 1 Pentingnya Kepatuhan Di mana pun kita beroperasi di dunia, Undang-Undang Antisuap dan Antikorupsi (Anti-Bribery and Anti-Corruption atau ABAC) berlaku untuk bisnis kita, termasuk, tetapi tidak terbatas pada, Undang-undang Praktik Korupsi Luar Negeri 1 Bacalah bagian Hadiah dan Keramahtamahan dalam Pedoman Perilaku Avient dan Kebijakan Hadiah dan Hiburan kita untuk menentukan jika pengeluaran yang Anda usulkan diizinkan. Larangan ini berlaku jika penawaran atau pembayaran dilakukan secara langsung atau melalui orang lain • Membuat entri yang menyesatkan, tidak lengkap, atau palsu dalam pembukuan dan catatan Avient • Mengabaikan tanda bahaya saat berurusan dengan pihak ketiga Amerika Utara Kantor Pusat Global Avon Lake, Amerika Serikat 33587 Walker Road Avon Lake, OH, Amerika Serikat 44012 Nomor Bebas Pulsa: +1 866 765 9663 Nomor Telepon: +1 440 930 1000 Faks: +1 440 930 3064 Asia Pasifik Kantor Pusat Regional Shanghai, Tiongkok 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Tiongkok Telepon: +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Amerika Selatan Kantor Pusat Regional Sao Paulo, Brasil Av.

Avient Küresel Rüşvet ve Yolsuzluk Karşıtı Politika Yayınlanma Tarihi: 1 Temmuz 2020 Küresel Rüşvet ve Yolsuzluk Karşıtı Politika 1 Uyumun Önemi 1 Bizim Sorumluluğumuz 1 Rüşvet Nedir? Tek tek ülke yasaları değişiklik gösterse de bu yasalar herhangi bir yolsuzluk veya rüşveti 1 Teklif edilen harcamanıza izin verilip verilmediğini görmek için Avient Davranış Kurallarının Hediyeler ve Ağırlama bölümüne ve Hediyeler ve Ağırlama Politikamıza başvurun. Bu yasak, ödeme doğrudan ya da bir aracı aracılığıyla yapılmış olsun ya da olmasın geçerlidir • Avient’in defterlerinde ve kayıtlarında, yanıltıcı, eksik ya da yanlış girişler yapmayın • Üçüncü taraflarla çalışırken uyarı işaretlerini görmezden gelmeyin Kuzey Amerika Global Genel Müdürlük Avon Lake, Amerika Birleşik Devletleri 33587 Walker Road Avon Lake, OH, Amerika Birleşik Devletleri 44012 Ücretsiz: +1 866 765 9663 Telefon: +1 440 930 1000 Faks: +1 440 930 3064 Asya Pasifik Bölge Merkezi Şanghay, Çin 2F, Block C 200 Jinsu Road Pudong, 201206 Şanghay, Çin Telefon: +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Güney Amerika Bölge Merkezi Sao Paulo, Brezilya Av.

Avient Pakistan (Private) Limited 1-A/1, Sector-20 Korangi Industrial Area Korangi, Sindh 74900 Pakistan 65536-117317Certificate No: Page 20 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Avient Colorants SA Parc Scientifique Fleming, Fond Jean Pâques 1 Louvain-La-Nueve, Walloon Brabant 1348 Belgium 65536-116977Certificate No: Page 26 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Avient Corporation - Rania, India Survey No.344/1-2-3 Rania Works, Sakarda Bhadarwa Road Rania, Gujarat 391780 65536-117322Certificate No: Page 40 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Página [1] de [3] CEDULA DE IDENTIFICACION FISCAL PMS190904JZ1 Registro Federal de Contribuyentes AVIENT COLORANT SOLUTIONS MX Nombre, denominación o razón social idCIF: 19090104984 VALIDA TU INFORMACIÓN FISCAL CONSTANCIA DE SITUACIÓN FISCAL Lugar y Fecha de Emisión ECATEPEC DE MORELOS , MEXICO A 18 DE MAYO DE 2021 PMS190904JZ1 Datos de Identificación del Contribuyente: RFC: PMS190904JZ1 Denominación/Razón Social: AVIENT COLORANT SOLUTIONS MX Régimen Capital: SOCIEDAD DE RESPONSABILIDAD LIMITADA DE CAPITAL VARIABLE Nombre Comercial: AVIENT COLORANT SOLUTIONS MX Fecha inicio de operaciones: 04 DE SEPTIEMBRE DE 2019 Estatus en el padrón: ACTIVO Fecha de último cambio de estado: 04 DE SEPTIEMBRE DE 2019 Datos de Ubicación: Código Postal:55540 Tipo de Vialidad: CALLE Nombre de Vialidad: PLASTICOS Número Exterior: 28 Número Interior:B-102 Nombre de la Colonia: SANTA CLARA COATITLA Nombre de la Localidad: Nombre del Municipio o Demarcación Territorial: ECATEPEC DE MORELOS Nombre de la Entidad Federativa: MEXICO Entre Calle: CANAL DE RISCO Y Calle: AVENIDA VIA MORELOS Correo Electrónico: caio.zuccarelli@clariant.com Tel. Móvil Lada: 044 Número: 5578657254 Página [2] de [3] Actividades Económicas: Orden Actividad Económica Porcentaje Fecha Inicio Fecha Fin 1 Servicios de consultoría en administración 100 04/09/2019 Regímenes: Régimen Fecha Inicio Fecha Fin Régimen General de Ley Personas Morales 04/09/2019 Obligaciones: Descripción de la Obligación Descripción Vencimiento Fecha Inicio Fecha Fin Pago definitivo mensual de IVA. Si conoces algún posible acto de corrupción o delito presenta una queja o denuncia a través de: www.sat.gob.mx, denuncias@sat.gob.mx, desde México: 01 (55) 8852 2222, desde el extranjero: 1 844 28 73 803, SAT móvil o www.gob.mx/sfp".

Density Impact Flexural Tensile HDT Equilibrium Moisture — PKE-GF PA12-GF PA612-GF 5 4 3 2 1 0 Impact Shrink Modulus Chemical Resistance Flexural (Cond.) CO2 Emission Factor — PKE-GF — PA6-GF — PA66-GF HDT Wear Density 5 4 3 2 1 0 Equilibrium Moisture 1: Poor 3: Good 5: Excellent

And, because TPEs can be overmolded, brand owners and packaging manufacturers have new options for designing components that can be integrated directly into the package. 4345, 4355, 4365 4465 4570 4665 Hardness Shore A 45A, 55A, 65A 65A 70A 65A Regulatory* • EU 10/2011 Color Translucent Translucent Natural Natural Overmolding Bonds To Polypropylene Polypropylene Polar substrates Polar substrates Chemical Resistance • #1 for soaps • Low-cost solution for non-polar oils • #2 for soaps • Some oils • #1 for polar & non-polar oils • #1 for non-polar solvents, like isododecane • #2 for non-polar oils • Abrasion resistance * Regulatory compliance is offered for consideration only—limitations apply; please check with product stewardship.