V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Injuries per 100 Workers Spartech Acquisition PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N 9% United States 59% 14% 10% Latin America 9% Canada PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction Electrical & Electronics 2009 2010 2011 2012 2013 2014 2015 2016* 2017* P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% **ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 680130 153 504 618 2014 Q1 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% more sales calls 25% more marketing campaigns 1,000 new customers, expanding customer base by 5% $1.0B increase in new opportunities Enhancing efficiency 8% reduction of average territory size, enabling greater customer focus 20% more prospecting calls I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 Inside sellers $11M $88M Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% $3.0 billion $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 38% $20 $52 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Incremental development from existing base of technology New development adjacent to current New technology development outside of and with our current base Service adjacent markets and Create new markets, target new customer needs Service existing markets and Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 6 2 1 15 4 10 11 4 7 Breakthrough Platform Derivative Number of Projects 26 16 20 15 2 79 Total Addressable Market ($ millions) - - $1,230 $1,170 $440 $2,840 F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 18 Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Short Glass Fiber Thermoplastics Continuous Fiber Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y PolyOne Corporation 19 Acquired Polystrand Installed LFT production Avon Lake Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Acquired Gordon Thermoplastic Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2010 2012 2015 2016 20162009 20122011 2014 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 20 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 Capture sourcing synergies Cross-sell & blend 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First!

For more information about our international operations, see Note 14, Segment Information, to the accompanying consolidated financial Where You Can Find Additional Information Our principal executive offices are located at 33587 Walker Road, Avon Lake, Ohio 44012, and our telephone number is (440) 930-1000. Indefinite-lived intangible assets primarily consist of the GLS, ColorMatrix and Gordon Composites trade names. SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2815 or 1-651-450-4064 www.shareowneronline.com Additional information about PolyOne, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.polyone.com or free of charge from: Investor Affairs Administrator 33587 Walker Road Avon Lake, Ohio 44012 Phone: 440-930-1000 ANNUAL MEETING The annual meeting of shareholders of PolyOne will be held May 17, 2018 at 9:00 a.m. at PolyOne’s Corporate headquarters, 33587 Walker Road, Avon Lake, Ohio.

Where You Can Find Additional Information Our principal executive offices are located at 33587 Walker Road, Avon Lake, Ohio 44012, and our telephone number is +1 (440) 930-1000. Indefinite-lived intangible assets primarily consist of the Dyneema, GLS, ColorMatrix, Gordon Composites, and Fiber-Line trade names. Wulfsohn 69 AVIENT CORPORATION [This page intentionally left blank] [This page intentionally left blank] [This page intentionally left blank] STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m.

Where You Can Find Additional Information Our principal executive offices are located at 33587 Walker Road, Avon Lake, Ohio 44012, and our telephone number is (440) 930-1000. Š At December 31, 2013, our Consolidated Balance Sheet reflected $96.3 million of indefinite lived trade name assets, which includes, $33.2 million associated with the trade name acquired as part of the acquisition of GLS and $63.1 million associated with trade names acquired as part of the ColorMatrix acquisition. Indefinite-lived intangible assets consist of a trade name acquired as part of the January 2008 acquisition of GLS, trade names acquired as part of the December 2011 acquisition of ColorMatrix, and in-process research and development acquired as part of the ColorMatrix acquisition.

Where You Can Find Additional Information Our principal executive offices are located at 33587 Walker Road, Avon Lake, Ohio 44012, and our telephone number is (440) 930-1000. Š At December 31, 2014, our Consolidated Balance Sheet reflected $96.3 million of indefinite lived trade name assets, which includes, $33.2 million associated with the trade name acquired as part of the acquisition of GLS and $63.1 million associated with trade names acquired as part of the ColorMatrix Š We estimate the fair value of trade names using a “relief from royalty payments” approach. Indefinite-lived intangible assets primarily consist of the GLS and ColorMatrix trade names.

• أمريكا الشمالية المقر العالمي آفون ليك، الولايات المتحدة الأمريكية 33587 ووكر رود آفون ليك، أوهايو ، الولايات المتحدة 44012 الخط المجاني: 9663 765 866 1+ الهاتف: 1000 930 440 1+ الفاكس:3064 930 440 1+ آسيا والمحيط الهادئ المقر الإقليمي بشنغهاي الصين 2ف، بلوك سي 200 جينسو رود بودونغ، 201206، شنغهاي، الصين الهاتف: 4888 6028 21 (0) 86+ الفاكس:4999 6028 21 (0) 86+ أمريكا الجنوبية المقر الإقليمي ساو باولو ، البرازيل جادة فرانسيسكو ناكاساتو، 1700 000- 13295إتوبيفا، ساو باولو، البرازيل الهاتف: 9200 4593 11 55+ أوروبا المقر الإقليمي بومرلوتش، لوكسمبورغ 19 طريق باستون بومرلوتش، لوكسمبورغ، L-9638 الهاتف: 35 050 269 352+ الفاكس: 45 050 269 352+ www.avient.com https://www.avient.com

Dieses Verbot gilt unabhängig davon, ob das Angebot oder die Zahlung direkt oder durch eine andere Person erfolgt • Irreführende, unvollständige oder falsche Einträge in Büchern und Aufzeichnungen von Avient vorzunehmen • Warnsignale beim Umgang mit Drittparteien zu ignorieren Nordamerika Globale Hauptverwaltung Avon Lake, USA 33587 Walker Road Avon Lake, OH, USA 44012 Gebührenfrei: 1-866-765-9663 Telefon: 1-440-930-1000 Fax: +440 930 3064 Asien-Pazifik Regionale Hauptverwaltung Shanghai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Telefon: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Südamerika Regionale Hauptverwaltung São Paulo, Brasilien Av.

Tale divieto si applica sia se l’offerta o il pagamento sono effettuati direttamente sia tramite un’altra persona • Inserire voci fuorvianti, incomplete o false nei libri e nei registri di Avient • Ignorare i segnali di allerta quando si tratta con terze parti Nord America Sede globale Avon Lake, Stati Uniti 33587 Walker Road Avon Lake, Ohio, Stati Uniti 44012 Numero verde: +1 866 765 9663 Telefono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacifico Sede regionale Shanghai, Cina 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Cina Telefono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 America del Sud Sede regionale San Paolo, Brasile Av.

Ameryka Północna Global Headquarters Avon Lake, Stany Zjednoczone 33587 Walker Road Avon Lake, OH, Stany Zjednoczone 44012 Bezpłatny numer telefonu: +1-866-765-9663 Numer telefonu: +1-440-930-1000 Faks: +440 930 3064 Azja i Pacyfik Regional Headquarters Shanghai, Chiny 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Chiny Tel. +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Ameryka Południowa Regional Headquarters Sao Paulo, Brazylia Av.

Avient की बहियों और अभिलेखों में भ्रामक, अपूर्ण या मिथ्या प्रविष्टियां करना • तृतीय पक्षों के साथ कार्य-व्यवहार करते समय खतरे के संकेतों को नज़र-अंदाज़ करना उत्तरी अमेरिका वैश्विक मुख्यालय एवन लेक, संयुक्त राज्य अमेरिका 33587 वॉकर रोड एवन लेक, OH, संयुक्त राज्य अमेरिका 44012 टोल फ्री: +1 866 765 9663 फोन: +1 440 930 1000 फैक्सः +1 440 930 3064 एशिया प्रशांत प्रक्षेत्रीय मुख्यालय शंघाई, चीन 2F, ब्लॉक C 200 जिन्सू रोड पुडोंग, 201206 शंघाई, चीन दूरभाष: +86 (0) 21 6028 4888 फैक्सः +86 (0) 21 6028 4999 दक्षिण अमेरिका प्रक्षेत्रीय मुख्यालय साओ पॉलो, ब्राज़ील Av.