Long fibre reinforced materials have an added degree of modelling complexity due to the need to capture the effects of bundling, fibre entanglement and weld lines.

Make recommendations regarding the appropriate size of the Board and the effectiveness of the Board in fulfilling its obligations to the Company and its shareholders.

Fostering imagination • Enabling creative exploration • Focus on customers’ sustainability • Driving long-term revenue growth ColorWorks Avient Corporation 21 • Rapid customer response • Immediate color measurement and quotation • Fast track product development to “now” • Specialized labs for fast sample delivery • Optimized formulations leveraging cost effective raw materials C U S T O M E R - F O C U S E D C O L O R F O R M U L A T I O N Avient Corporation 22 InstaColr CycleWorks A D V A N C I N G T H E C I R C U L A R E C O N O M Y • Laboratory mimics real-world circular recycling in a research environment • Conducts chemistry testing to improve plastics recycling for customers • Screening and evaluation of additive and colorant systems during recycling • Collaboration platform for customers and value chain partners Avient Corporation 23 Avient Corporation 24 Sustainable Solutions Michael Garratt and Walter Ripple Our Sustainability Promise As the world’s premier provider of specialized polymer materials, services and solutions, Avient is committed to meeting the needs of the present without compromising future generations’ ability to meet their needs. Avient Corporation 101 Electronics THEN… Avient Corporation 102 Avient Corporation 103 Electronics NOW… Meta Materials A rationally designed composite material aiming at effective material parameters that go beyond those of the ingredient materials. Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Reconciliation of EBITDA by Segment Year Ended December 31, 2019 Sales: Color, Additives and Inks $ 1,003.8 Specialty Engineered Materials 745.7 Distribution 1,192.2 Corporate and eliminations (79.0) Sales $ 2,862.7 Operating income: Color, Additives and Inks $ 147.4 Specialty Engineered Materials 83.7 Distribution 75.4 Corporate and eliminations (149.7) Operating income $ 156.8 Items below OI in Corporate: Other income, net $ 12.1 Depreciation & amortization: Color, Additives and Inks $ 42.7 Specialty Engineered Materials 29.5 Distribution 0.5 Corporate and eliminations 5.4 Depreciation & Amortization $ 78.1 EBITDA: Color, Additives and Inks $ 190.1 Specialty Engineered Materials 113.2 Distribution 75.9 Corporate and eliminations (132.2) EBITDA $ 247.0 EBITDA as a % of Sales: Color, Additives and Inks 18.9 % Specialty Engineered Materials 15.2 % Distribution 6.4 % 1 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Year Ended December 31, 2019 Sales: Color, Additives and Inks $ 1,003.8 Clariant Color pro forma adjustments(1) 1,118.6 Pro forma sales $ 2,122.4 Operating income: Color, Additives and Inks $ 147.4 Clariant Color pro forma adjustments(1) 72.9 Pro forma operating income $ 220.3 Depreciation & amortization: Color, Additives and Inks $ 42.7 Clariant Color pro forma adjustments(1) 60.3 Pro forma depreciation & amortization $ 103.0 EBITDA Color, Additives and Inks $ 190.1 Clariant Color pro forma adjustments(1) 133.2 Pro forma EBITDA $ 323.3 Pro forma EBITDA as a % of Sales 15.2 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 2009* 2010* 2011* 2012* 2013 2014 2015 2016** 2017 2018 2018*** 2019*** 2020 Net income from continuing operations attributable to Avient common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 75.5 $ 152.7 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 61.7 66.2 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (5.9) (41.4) Adjusted net income from continuing operations attributable to Avient common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 131.3 $ 177.5 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 77.7 92.1 Adjusted EPS attributable to Avient common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 1.69 $ 1.93 * Historical results have been updated to reflect subsequent changes to accounting principle and discontinued operations, excluding any changes as a result of discontinued operations from the sale of the Designed Structures and Solutions segment (DSS) and the Performance Products and Solutions segment (PP&S). ** Pro Forma for sale of DSS. *** Pro Forma for sale of PP&S. *** Pro Forma for full year of the Clariant Color acquisition 2 Nine Months Ended September 30, Year Ended December 31, Reconciliation to Pro Forma Adjusted EBITDA 2020 2021 2020 2019 Net income from continuing operations – GAAP $ 59.1 $ 201.7 $ 133.8 $ 75.7 Income tax expense 22.5 51.8 5.2 33.7 Interest expense 55.3 57.8 74.6 59.5 Depreciation and amortization from continuing operations 77.3 107.7 115.1 78.1 EBITDA $ 214.2 $ 419.0 $ 328.7 $ 247.0 Special items, before tax 62.0 36.5 66.2 61.7 Interest expense included in special items (10.1) — (10.1) — Depreciation and amortization included in special items (2.5) (0.1) (3.2) — Adjusted EBITDA $ 263.6 $ 455.4 $ 381.6 $ 308.7 Clariant MB pro forma adjustments(1) 75.1 — 75.1 133.2 Pro forma adjusted EBITDA $ 338.7 $ 455.4 $ 456.7 $ 441.9 (1) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 3 Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Return on Invested Capital Year Ended December 31, 2006 Short term debt $ 5.2 Current portion of long term debt 22.5 Long term debt 567.7 Shareholder's equity 574.5 Invested capital $ 1,169.9 Cash 66.2 Current invested capital (net) $ 1,103.7 Adjusted operating income 87.5 Current tax rate 0.33 Return on invested capital 5.3 % Year Ended December 31, Reconciliation to Enterprise Value / Adjusted EBITDA 2011 2016 Net income from continuing operations – GAAP $ 172.6 $ 165.0 Income tax expense 26.1 57.3 Interest expense 33.7 59.8 Depreciation and amortization from continuing operations 57.5 105.9 EBITDA $ 289.9 $ 388.0 Special items, before tax (46.7) 35.3 SunBelt equity income (5.7) — Depreciation and amortization included in special items — (5.4) Adjusted EBITDA $ 237.5 $ 417.9 Enterprise value(2) $ 1,542.0 $ 3,763.0 Enterprise value / adjusted EBITDA 6.5 9.0 (2) - Enterprise value is defined as market capitalization plus net debt 4 AVNT 2021 Investor Day adfa.pdf AVNT 2021 Investor Day.pdf AVNT 2021 Investor Day.pdf AVNT 2021 Investor Day - Final.pdf 2021 Investor Day Recs v3 12.2 (002).pdf

Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer. In the event of invalidity of a provision of these Terms, the parties shall deem that provision stricken in its entirety and the balance of these Terms shall remain in full force and effect.

Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer. In the event of invalidity of a provision of these Terms, the parties shall deem that provision stricken in its entirety and the balance of these Terms shall remain in full force and effect. 25.

Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer. In the event of invalidity of a provision of these Terms, the parties shall deem that provision stricken in its entirety and the balance of these Terms shall remain in full force and effect.

Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer. In the event of invalidity of a provision of these Terms, the parties shall deem that provision stricken in its entirety and the balance of these Terms shall remain in full force and effect.

You also are entitled to withdraw any consent that you might have given with respect to the processing of your personal information at any time with future effect. Effective Date: August 1, 2020 mailto:PRIVACY.OFFICER@POLYONE.COM https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb mailto:PRIVACY.OFFICER@POLYONE.COM

P1PC-011AquamixFactSheet2.indd Aquamix™ Dispersions & Emulsions Fact Sheet Ingredient Product % Activity Using 40 years of customization and technical expertise, Aquamix dispersions and emulsions from PolyOne® Chemists help latex formulators, adhesive manufacturers, specialty coatings producers, and polymer manufacturers shorten development cycles, streamline operations, and more effectively use resources. UV Stabilizer Dispersion Tinuvin® P Aquamix 150 50 UV absorber to prevent UV degradation Slab Dip Dispersions Clay Aquamix 186 65 Zinc Stearate Aquamix 394 25 Wax Amide Aquamix 1124 20 Calcium Stearate Aquamix 1172 50 Chemical Name / Comments 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 Aquamix™ Dispersions & Emulsions Fact Sheet Ingredient Product % Activity Using 40 years of customization and technical expertise, Aquamix dispersions and emulsions from PolyOne® Chemists help latex formulators, adhesive manufacturers, specialty coatings producers, and polymer manufacturers shorten development cycles, streamline operations, and more effectively use resources.

Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer. In the event of invalidity of a provision of these Terms, the parties shall deem that provision stricken in its entirety and the balance of these Terms shall remain in full force and effect.