Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • The time required to consummate the acquisition of the Dyneema business, the satisfaction or waiver of conditions in the purchase agreement, the ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the proposed acquisition of the Dyneema business; • Our ability to achieve the strategic and other objectives relating to the proposed acquisition of the Dyneema business and possible sale of the Distribution business; • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including without any limitation, any supply chain and logistics issues; • Changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2021 under Item 1A, “Risk Factors.” As presented in previous slides, this presents potential benefits with respect to leverage and EBITDA margins PEER COMPARISONS 42 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from. Source: Peer data per Bloomberg market data as of April 21, 2022 86 82 86 86 84 78 77 89 86 81 80 76 76 76 67 67 11 (12) A vi en t A vi en t P F F U L K W R P P G R P M A V Y F M C U N V R B N R H U N H X L E C L C E A S H E M N S C L A LB 12% 18% 16% 15% 15% 14% 14% 28% 28% 26% 25% 22% 21% 19% 16% 12% 9% 9% A vi en t T od ay A vi en t P F A V Y P P G K W R FU L R P M C E A LB FM C A S H E C L E M N H X L H U N S C L B N R U N V R Median: 21%Median: 15% 2 0 2 2 E B I T DA M A RG I N S V S .

Additionally, there have been significant deviations from the Directive over time, forcing a departure from the document's original objectives and goals of maintaining the health and safety of IVD devices.  This means that an estimated 80-90% of all IVD applications will need the NB evaluation as compared to 10-20% under the original IVD Directive

Use of Non GAAP Measures Page 3 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% PolyOne S&P 500 Strategy and Execution Drive Results Page 4 All time closing high of $29.48 August 1, 2013 • 15 consecutive quarters of double digit EPS growth • 42% CAGR adjusted EPS expansion 2006-2012 • YTD stock price has increased 42% versus 20% growth in the S&P • 275% increase in market cap: $0.7b $2.6b since 2006 The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Four Pillar Strategy Page 5 PP&S 15% Specialty 60% Distribution 25% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010* 2011* 2012* 2015 Target A dj us te d Ea rn in gs P er S ha re Appliance 6% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 4% Consumer 9% Packaging 18% Industrial 10% Misc. 5% HealthCare 9% Transportation 16% Textiles 1% United States 70% Europe 14% Canada 8% Asia 5% Latin America 3% 2012 Revenues: $4.0 Billion* End Markets* 2012 Revenues: $4.0 Billion* EPS Page 6 * Pro Forma includes FY2012 results for Spartech (11/03/12 YE) and Glasforms & excludes discontinued operations PolyOne At A Glance * Restated to exclude discontinued operations Old PolyOne Transformation *Operating Income excludes corporate charges and special items **Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes discontinued operations 2% 34% 43% 45% 60% 65- 75% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2012 2012 PF** 2015 % o f O pe ra ti ng In co m e* JV's PP&S Distribution Specialty Specialty OI $5M $46M $87M $114M $150M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 7 2006 H1 2013 2015 Where we were Where we are Organic Consolidated Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 12.7% 12.6% 12 – 16% Global Specialty Engineered Materials 1.1% 10.9% 9.2% 12 – 16% Designed Structures & Solutions — — 4.4% 8 – 10% Performance Products & Solutions 5.4% 8.1% 8.2% 9 – 12% Distribution 2.6% 6.1% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 62% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 26% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 8 *Percentage of Specialty Platform revenue from products introduced in last five years 19.5% 46.5% 2006 Q2 2013 $20.3 $44.7 2006 TTM Q2'13 14.3% 31.1% 2006 Q2 2013 Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth ($ millions) Specialty Platform Gross Margin % Page 9 We are Experts in Polymer Science and Formulation  Polymer Science  Formulation  Chemistry  Processing Inputs  Base Resins  Additives  Modifiers  Colorants Specialized Polymer Materials, Services, and Solutions Expertise Satisfied Consumers PolyOne Customer Innovative Products & Services  Marketplace Demands  Performance Requirements  Value Drivers Page 10 Positioned for Strong Growth 2015 Target Rev: $5B Adj. EPS: $1.00 $0.54 $0.68 $0.30 $0.45 $0.60 $0.75 H1'12 H1'13 Adjusted EPS $101.0 $132.6 $50.0 $100.0 $150.0 H1'12 H1'13 Adjusted Operating Income (millions) +31% $68.8 $97.7 $50.0 $75.0 $100.0 H1'12 H1'13 Specialty Operating Income (millions) First Half 2013 Financial Highlights • Adjusted EPS increased 26% over prior year first half • Operating Income expanded 31% versus first half 2012 • Specialty operating income up 42% • Revenue grew 22% versus 1H ‘12 • Portfolio transformation activities  Completed acquisition of Spartech  Divested non-core Resin business +26% +42% Page 12 • Significant Debt Maturities $ 1,010 Other Debt 21 • Total Debt at 6/30/13 Less: Cash Net Debt • Available Liquidity Cash ABL Availability Total Liquidity • Net Debt / EBITDA = 1.9x • Net Debt / EBITDA = 2.1x*(tax adjusted) $392 310 $702 $1,031 392 $639 $50 $360 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Significant Debt Maturities As of June 30, 2013 ($ millions) Page 13 Coupon Rates: 7.500% 7.375% 5.250% *Pro Forma TTM for taxes on resin gain Debt Maturities & Liquidity Summary – 6/30/13 Cash Balance = $392M Net Debt / EBITDA* = 1.9x • Repurchased ~3.0M shares YTD in 2013 • 17 million shares are available for repurchase under the current authorization Share Repurchase • Introduced a quarterly dividend in Q1 2011 and increased in Q1 2012 (25%) and Q1 2013 (20%) • Objective of maintaining and growing Dividends • Expanding our sales, marketing, and technical capabilities is top priority • Investing in operational and LSS initiatives (including synergy capture) • CAPEX Organic Growth • Targets that expand our: • Specialty offering • End market presence • Geographic footprint • Synergy opportunities • Adjacent material solutions • North American manufacturing alignment Acquisitions *TTM 6/30/2013 Use of Cash Page 14 Why Invest In PolyOne?

KEY PERFORMANCE ADVANTAGES Southern Yellow Pine1 Equivalent Wood Pole GridCore FRP Pole2 14 in x .750 in Length (ft) Load Class3 Allowable Class Load4 (kip) Weight (lb) Deflection5 (in) Weight (lb) Deflection5 (in) 40 3 1.95 1360 35 1040 12 2 2.41 1580 32 14 1 2.93 1810 30 18 H1 3.51 2050 28 21 H2 4.16 2310 26 25 45 3 1.95 1630 45 1170 17 2 2.41 1880 41 21 1 2.93 2160 38 26 H1 3.51 2450 36 31 H2 4.16 2760 33 37 50 3 1.95 1910 56 1300 24 2 2.41 2210 52 30 1 2.93 2530 48 36 H1 3.51 2880 45 44 H2 4.16 3240 42 52 55 3 1.95 2210 68 1430 33 2 2.41 2550 63 40 1 2.93 2930 58 49 H1 3.51 3320 54 59 H2 4.16 3740 51 70 60 3 1.95 2520 82 1560 43 2 2.41 2910 76 53 1 2.93 3340 70 65 H1 3.51 3790 65 78 H2 4.16 4270 61 92 65 3 1.95 2840 97 1690 56 2 2.41 3290 90 69 1 2.93 3770 83 84 H1 3.51 4280 77 100 H2 4.16 4820 72 119 70 3 1.95 3180 114 1820 71 2 2.41 3690 105 87 1 2.93 4220 97 106 H1 3.51 4790 90 127 H2 4.16 5390 85 150 POLE SELECTION GUIDE 1 Wood properties data are per ANSI O5.1-2022 Table 1. Stiff., EI (lb-in2 106) 3437 2419 1158 Section Modulus, S (in3) 98.2 69.1 38.6 Allowable Moment, ɸFS (kip-ft) 368 259 145 Cross Sectional area, A (in2) 31.2 21.2 14 Weight (lb/ft) 26.0 17.7 11.4 FRP POLE SECTIONAL PROPERTIES *Additional pole sizes and features are in development

Fearon Lead Director of our Board since May 14, 2015. The awards that were originally granted to Mr. The awards that were originally granted to Mr.

The awards that were originally granted to Ms. The cash-settled performance units originally granted to Ms. All of the stock awards that vested and were settled in 2015 were granted on February 14, 2012 and settled on February 14, 2015.

: 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 Authentication No. : E21642955A Date: 02/08/2021 ACCOUNTING AND CORPORATE REGULATORY AUTHORITY WHILST EVERY ENDEAVOR IS MADE TO ENSURE THAT INFORMATION PROVIDED IS UPDATED AND CORRECT. LTD. (199006136Z) (ACRA) 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. LTD. (199006136Z) (ACRA) Source of Address ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Address 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 Address ID Nationality/Citizenship Place of incorporation/ Origin/Registration Source of Address 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 Authentication No. : E21642955A Date: 02/08/2021 ACCOUNTING AND CORPORATE REGULATORY AUTHORITY WHILST EVERY ENDEAVOR IS MADE TO ENSURE THAT INFORMATION PROVIDED IS UPDATED AND CORRECT.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows; • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • Changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • An inability to achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Our ability to consummate and successfully integrate acquisitions; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2020 under Item 1A, “Risk Factors.” This innovation drives performance and is reflective of consistent, strategic investments in our portfolio…and people. 2020 Pro forma $991 $86 Sustainable Solutions 15 11% 6 Healthcare 28 22% 6 Composites 6 10% 3 Growth in Emerging Regions 44 30% 10 Other 53 10% 7 Sub-total $1,137 15% $118 FX Impact 25 - 2 Synergies - - 11 Incentives, Travel, Other Employee Costs - - (8) 2021 Actual $1,162 17% $123 Q1 2021 ORGANIC SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 7 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Adjusted Operating Income$ millions (1) 8 Electrical & Electronics Building & Construction Wire & Cable Transportation Industrial Healthcare Packaging Consumer Q1 2020PF Q1 2021 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) Financial information is presented on a constant currency basis (1,2) (42% of total revenue) (58% of total revenue) Q1 END MARKET SALES PERFORMANCE +17% +14% +8% +10% +8% +22% +5% +24% Q 2 A N D F U L L Y E A R 2 0 2 1 O U T L O O K $69 $112 2020PF 2021E $0.42 $0.80 2020PF 2021E ORGANIC GROWTH PROJECTIONS – Q2 ( T O TA L C O M PA N Y ) 10 Sales Adjusted Operating Income $870 $1,100 2020PF 2021E + 26% Adjusted EPS + 62% + 90% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition FULL YEAR GUIDANCE INCREASED 11 Sales Adj. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Masterbatch revenue synergies, that will drive 2021 revenue growth of 14% and long-term growth in excess of GDP o Clariant Masterbatch cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

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