The company noted the following segment highlights: The Color, Additives and Inks segment delivered record operating income of $89 million during the first quarter, a 40% increase over the prior year. Sales: Color, Additives and Inks $ 609.3 $ 256.5 Specialty Engineered Materials 216.5 185.3 Distribution 362.7 289.5 Corporate and eliminations (26.2) (19.8) Sales $ 1,162.3 $ 711.5 Gross margin: Color, Additives and Inks $ 197.5 $ 89.4 Specialty Engineered Materials 64.7 52.6 Distribution 39.3 33.6 Corporate and eliminations 0.9 (4.1) Gross margin $ 302.4 $ 171.5 Selling and administrative expense: Color, Additives and Inks $ 108.7 $ 48.9 Specialty Engineered Materials 30.5 30.3 Distribution 15.3 14.2 Corporate and eliminations 27.5 25.3 Selling and administrative expense $ 182.0 $ 118.7 Color, Additives and Inks $ 88.8 $ 40.5 Specialty Engineered Materials 34.2 22.3 Distribution 24.0 19.4 Corporate and eliminations (26.6) (29.4) Operating income $ 120.4 $ 52.8 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 Specialty Engineered Materials 42.0 29.8 Distribution 24.2 19.5 Corporate and eliminations (24.9) (28.0) Other income, net 1.5 1.6 EBITDA $ 159.0 $ 74.3 12 Attachment 7 Reconciliation of Non-GAAP Financial Measures (Unaudited) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended Net income from continuing operations attributable to Avient shareholders $ 33.1 Special items, after tax (Attachment 3) 8.6 Adjusted net income from continuing operations excluding special items 41.7 Clariant MB pro forma adjustments to net income from continuing operations(2) 7.8 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 49.5 Weighted average diluted shares 86.7 Pro forma impact to diluted shares from January 2020 equity offering 6.1 Pro forma weighted average diluted shares 92.8 Adjusted EPS - excluding special items pro forma for Clariant MB acquisition $ 0.53 December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Adjusted Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted 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 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 14 December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Adjusted Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted 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 (3) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 15 Reconciliation of EBITDA by Segment Year Ended December 31, 2021 2020 2020 2019 2018 Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 34.2 22.3 94.4 83.7 72.3 Distribution 24.0 19.4 69.5 75.4 71.5 Corporate and eliminations (26.6) (29.4) (155.4) (149.7) (123.7) Operating income $ 120.4 $ 52.8 $ 189.3 $ 156.8 $ 178.6 Items Below OI in Corporate Other income, net $ 1.5 $ 1.6 $ 24.3 $ 12.1 $ (12.9) Depreciation & Amortization: Color, Additives and Inks $ 27.4 $ 10.9 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 7.8 7.5 30.0 29.5 23.2 Distribution 0.2 0.1 0.7 0.5 0.7 Corporate and eliminations 1.7 1.4 9.2 5.4 4.4 Depreciation & Amortization $ 37.1 $ 19.9 $ 115.0 $ 78.1 $ 72.6 EBITDA Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 42.0 29.8 124.4 113.2 95.5 Distribution 24.2 19.5 70.2 75.9 72.2 Corporate and eliminations (24.9) (28.0) (146.2) (144.3) (119.3) EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 19.1 % 20.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 19.4 % 16.1 % 17.6 % 15.2 % 14.8 % Distribution 6.7 % 6.7 % 6.3 % 6.4 % 5.7 % 16 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended March 31, Year Ended December 31, 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(4) 279.4 540.4 1,118.6 1,209.8 Pro forma sales $ 535.9 $ 2,043.3 $ 2,122.4 $ 2,256.3 Color, Additives and Inks $ 40.5 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(4) 23.0 45.0 72.9 80.3 Pro forma operating income $ 63.5 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 10.9 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(4) 15.1 30.1 60.3 61.2 Pro forma depreciation & amortization $ 26.0 $ 105.2 $ 103.0 $ 105.5 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 51.4 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(4) 38.1 75.1 133.2 141.5 Pro forma EBITDA $ 89.5 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 16.7 % 16.2 % 15.2 % 15.3 % Three Months Ended March 31, Year Ended December 31, Reconciliation to Adjusted EBITDA: 2021 2020 2020 2019 2018 Net income from continuing operations – GAAP $ 79.7 $ 33.1 $ 133.8 $ 75.7 $ 87.4 Income tax expense 22.9 11.9 5.2 33.7 14.4 Interest expense 19.3 9.4 74.6 59.5 62.8 Debt extinguishment cost — — 1.1 Depreciation and amortization from continuing operations 37.1 19.9 115.0 78.1 72.6 EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 Special items, before tax 2.4 9.6 66.2 61.7 59.5 Interest expense included in special items — — (10.1) — — Accelerated depreciation included in special items (0.5) — (3.2) — (3.0) Adjusted EBITDA $ 160.9 $ 83.9 $ 381.6 $ 308.7 $ 294.8 Reconciliation of Pro Forma Sales: Three Months Ended Sales $ 711.5 Clariant MB pro forma adjustment to sales(4) 279.4 Pro forma sales $ 990.9 (4) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) 17 Avient Announces Record First Quarter 2021 Results; Increases Full Year Guidance.pdf NEWS RELEASE 4.29 232pm News Release (002).pdf

   Color, Additives and Inks    Color, Additives and Inks    Color, Additives and Inks

Color, Additives and Inks Color, Additives and Inks Color, Additives and Inks

Color, Additives and Inks Color, Additives and Inks Color, Additives and Inks

NORBERT MERKLEIN Vice President and General Manager EMEA, Color, Additives and Inks Norbert Merklein serves as vice president and general manager for the Europe, Middle East and Africa (EMEA) region of Color, Additive and Inks at Avient Corporation, a premier provider of specialized and sustainable material solutions and services.

Garratt 60 Senior Vice President, President Color, Additives and Inks — EMEA M. Our asset mix considers the duration of plan liabilities, historical and expected returns of the investments, and the funded status of the plan. Color, Additives and Inks Color, Additives and Inks is a leading formulator of specialized custom color and additive concentrates in solid and liquid form for thermoplastics, dispersions for thermosets, as well as specialty inks.

a market leader in sustainable, water-based inks technology for the textile screen printing industry. Three Months Ended June 30, Six Months Ended June 30, 2021 2020 2021 2020 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 Specialty Engineered Materials 240.6 158.8 457.1 344.1 Distribution 404.4 238.8 767.1 528.3 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 Gross margin: Color, Additives and Inks $ 193.4 $ 75.7 $ 390.9 $ 165.1 Specialty Engineered Materials 69.6 42.5 134.3 95.1 Distribution 40.1 27.2 79.4 60.8 Corporate and eliminations (14.4) 4.3 (13.5) 0.2 Gross margin $ 288.7 $ 149.7 $ 591.1 $ 321.2 Selling and administrative expense: Color, Additives and Inks $ 107.1 $ 43.4 $ 215.8 $ 92.3 Specialty Engineered Materials 32.3 25.5 62.8 55.8 Distribution 16.4 12.6 31.7 26.8 Corporate and eliminations 24.8 30.2 52.3 55.5 Selling and administrative expense $ 180.6 $ 111.7 $ 362.6 $ 230.4 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Specialty Engineered Materials 37.3 17.0 71.5 39.3 Distribution 23.7 14.6 47.7 34.0 Corporate and eliminations (39.2) (25.9) (65.8) (55.3) Operating income $ 108.1 $ 38.0 $ 228.5 $ 90.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Specialty Engineered Materials 45.4 24.6 87.4 54.4 Distribution 23.9 14.7 48.1 34.2 Corporate and eliminations (39.0) (23.3) (63.8) (51.4) Other income, net 1.2 9.5 $ 2.7 $ 11.1 EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 12 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended June 30, 2020 Six Months Ended June 30, 2020 Year Ended December 31, 2020 Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 56.1 $ 132.0 Special items, after tax 2.6 11.2 24.8 Adjusted net income from continuing operations excluding special items 25.6 67.3 156.8 Clariant MB pro forma adjustments to net income from continuing operations(2) 12.9 20.7 20.7 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.5 $ 88.0 $ 177.5 Weighted average diluted shares 91.8 89.4 90.6 Pro forma impact to diluted shares from January 2020 equity offering(2) — 2.9 1.5 Pro forma weighted average diluted shares 91.8 92.3 92.1 Adjusted EPS - excluding special items pro forma for Clariant MB acquisition $ 0.42 $ 0.95 $ 1.93 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 14 Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (6.6) 2.9 — 2.9 Income taxes (7.9) 0.2 (7.7) (3.8) (11.5) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 2.6 $ 25.6 $ 12.9 $ 38.5 Weighted average diluted shares 91.8 Pro forma adjusted EPS $ 0.42 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition Six Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 1,320.6 $ — $ 1,320.6 $ 540.5 $ 1,861.1 Operating income $ 90.8 $ 18.7 $ 109.5 $ 45.0 $ 154.5 Interest expense, net (25.6) — (25.6) (18.1) (43.7) Other income, net 11.1 (6.7) 4.4 — 4.4 Income taxes (19.8) (0.8) (20.6) (6.2) (26.8) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 56.1 $ 11.2 $ 67.3 $ 20.7 $ 88.0 Weighted average diluted shares 89.4 Impact to diluted shares from January 2020 equity offering 2.9 Pro forma weighted average diluted shares 92.3 Pro forma adjusted EPS $ 0.95 (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 15 Reconciliation of EBITDA by Segment Three Months Ended June 30, Six Months Ended June 30 2021 2020 2021 2020 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Specialty Engineered Materials 37.3 17.0 71.5 39.3 Distribution 23.7 14.6 47.7 34.0 Corporate and eliminations (39.2) (25.9) (65.8) (55.3) Operating income $ 108.1 $ 38.0 $ 228.5 $ 90.8 Items below OI in Corporate: Other income, net $ 1.2 $ 9.5 $ 2.7 $ 11.1 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 21.6 Specialty Engineered Materials 8.1 7.6 15.9 15.1 Distribution 0.2 0.1 0.4 0.2 Corporate and eliminations 0.2 2.6 2.0 3.9 Depreciation & Amortization $ 33.8 $ 20.9 $ 70.9 $ 40.8 EBITDA: Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Specialty Engineered Materials 45.4 24.6 87.4 54.4 Distribution 23.9 14.7 48.1 34.2 Corporate and eliminations (39.0) (23.3) (63.8) (51.4) EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 EBITDA as a % of Sales: Color, Additives and Inks 17.9 % 18.9 % 18.5 % 19.5 % Specialty Engineered Materials 18.9 % 15.5 % 19.1 % 15.8 % Distribution 5.9 % 6.2 % 6.3 % 6.5 % 16 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended June 30, Six Months Ended June 30, 2021 2020 2021 2020 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 Clariant MB pro forma adjustments(2) — 261.1 — 540.5 Pro forma sales $ 624.4 $ 487.9 $ 1,233.7 $ 1,023.8 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Clariant MB pro forma adjustments(2) — 22.0 — 45.0 Pro forma operating income $ 86.3 $ 54.3 $ 175.1 $ 117.8 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 21.6 Clariant MB pro forma adjustments(2) — 15.0 — 30.1 Pro forma depreciation & amortization $ 25.3 $ 25.6 $ 52.6 $ 51.7 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Clariant MB pro forma adjustments(2) — 37.0 — 75.1 Pro forma EBITDA $ 111.6 $ 79.9 $ 227.7 $ 169.5 Pro forma EBITDA as a % of Sales 17.9 % 16.4 % 18.5 % 16.6 % (2) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition Three Months Ended June 30, Six Months Ended June 30, Reconciliation to Pro Forma Adjusted EBITDA: 2021 2020 2021 2020 Net income from continuing operations – GAAP $ 69.4 $ 23.4 $ 149.1 $ 56.5 Income tax expense 20.4 7.9 43.3 19.8 Interest expense 19.5 16.2 38.8 25.6 Depreciation and amortization from continuing operations 33.8 20.9 70.9 40.8 EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 Special items, before tax 14.2 2.4 16.6 12.0 Interest expense included in special items — (0.5) — (0.5) Depreciation and amortization included in special items 1.4 (1.2) 0.8 (1.2) Adjusted EBITDA $ 158.7 $ 69.1 $ 319.5 $ 153.0 Clariant MB pro forma adjustments(2) — 37.0 — 75.1 Pro forma adjusted EBITDA $ 158.7 $ 106.1 $ 319.5 $ 228.1

Nikrant Page 67 United States 36% Europe 36% Canada 2% Asia 20% Latin America 2011 Revenue: $0.6 Billion2011 Revenue: $0.6 Billion SolutionsSolutions At a Glance Appliance 6% Building & Construction 3% Wire & Cable 14% Electrical & Electronics 14%Consumer 21% Packaging 5% Industrial 8% Misc. 3% HealthCare 5% Transportation 21% America 6% 2011 Revenue by Industry Segment2011 Revenue by Industry Segment 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 12-16% 2006 2007 2008 2009 2010 2011 2015 Operating Income % of Sales Target Expanding ProfitsExpanding Profits Page 68 Value Proposition • GSEM is a global leader providing complete specialty solutions encompassing innovative technologies and services to enable customer success Transformation Highlights • Dramatic turnaround of the Engineered Materials business through mix improvement and specialty focus Value Proposition and Transformation Highlights improvement and specialty focus • GLS acquisition successfully integrated, having more than doubled earnings in 3 years • PolyOne culture and strategy now engrained worldwide • Expansion into healthcare with dedicated resources > $15B Addressable Market Page 69 • Polymer design, formulation and service expertise • Broad, global technology base and regional centers of excellence • Ten innovation centers around the world Key Differentiators • Ten innovation centers around the world • Specialty brand leadership with PolyOne, GLS, NEU and ECCOH • Ability to leverage global key account team Page 70 From Volume Commodity-driven product portfolio To Value Specialty technology and solutions EM North America Transformation Volume Sales Gross Margin $ Mix Transformation – Executing the Strategy 2006 2011 2006 2011 2006 2011 Page 71 $12 $29 Operating Income ($ in millions) • Provided access to new customers in specialized, high-growth markets such as healthcare and consumer • Strategic partner to many of the world’s best-known companies GLS Integration Success 16.9% 8.2% 2007 2011 2007 2011 Working Capital % of Sales • Complementary global footprint provided additional cross-selling opportunities • Opportunity to expand margins and drive working capital improvement while remaining customer-focused Page 72 $1.3 $27.6 2006 2011 Healthcare Revenue • Investment in dedicated healthcare team to drive penetration and growth • Leverage product portfolio globally & win specialty business Areas of Focus $10.5 $117.9 2006 2011 Consumer Revenue 2006 2011globally & win specialty business in targeted markets • Aggressively commercialize specialty innovation platforms • Utilize our innovation centers to influence OEM design (Revenue in $ millions) Page 73 • Carbon Nanotube Formulations � Applications: Semiconductor equipment, hard drives � Customer benefits: Scrap cost reduction and clean conductivity • Thermally Conductive Solutions Applications: Sockets and bulb holders for LED lighting Key Innovations � Applications: Sockets and bulb holders for LED lighting � Customer benefits: Cost reduction, energy saving, and design flexibility • FDA-Regulated TPEs � Applications: Food packaging seals, intravenous delivery systems, medical stoppers, prefilled syringes � Customer benefits: Clean and safe elastomers for highly regulated applications Page 74 Critical Imperatives and 2015 Goal Critical Imperatives • Commercialize critical new technology platforms • Manage the mix as we continue to drive the transformation • Global translation of commercial successes 2015 Goal • 12 - 16% return on sales Page 75 Page 76

GARRATT Senior Vice President, President Color, Additives & Inks–EMEA Michael A. Garratt is senior vice president, president, Color, Additives & Inks for the Europe, Middle East and Africa (EMEA) region at Avient Corporation, a premier provider of specialized and sustainable material solutions and services.

WOON KEAT MOH Senior Vice President and President, Color, Additives & Inks Woon Keat Moh (“Moh”) is senior vice president and president, Color, Additives & Inks, for Avient Corporation, a premier provider of specialized and sustainable material solutions and services.