主要特性 可用于聚乙烯、聚丙烯、ABS、聚碳酸酯和苯 乙烯 树脂载体的生物含量从70%到100%不等，具 体取决于聚合物⸺按照ASTM D6866标准计 算 由四家通过ISO 13485认证的工厂生产，稳定 的供应链覆盖全球，品质始终如一 变更控制记录的级别高于CAS编号级别，降低 变更风险 可以像加工化石基聚合物般在普通注塑机和挤 出设备上进行产品加工的嵌入式解决方案 可以以即用型预着色或添加剂配方的形式提供 法规支持 原材料根据以下标准检测： - ISO 10993-1 - 美国药典和（包括VI类） - 欧洲药典，各论3.1.3/3.1.5（聚烯烃包装材 料） - 美国药典（聚乙烯） - 杂质元素符合ICH Q3D要求 注册药品管理档案（III类）和/或器械主文件 食品接触声明符合美国FDA和EU规范 适用医疗保健使用限制—见下文。

The company reported sales growth of 27% for the full year compared to 2020, with all segments delivering record sales and operating income. Beggs added, “Our headline projections for the upcoming year are sales of approximately $5.1 billion and adjusted EPS of $3.50. Three Months Ended December 31, Year Ended December 31, Reconciliation to Consolidated Statements of Income 2021 2020 2021 2020 Sales $ 1,201.5 $ 997.0 $ 4,818.8 $ 3,242.1 Gross margin - GAAP 253.1 252.9 1,099.6 784.3 Special items in gross margin (Attachment 3) 5.9 1.7 33.6 25.3 Adjusted Gross margin $ 259.0 $ 254.6 $ 1,133.2 $ 809.6 Adjusted Gross margin as a percent of sales 21.6 % 25.5 % 23.5 % 25.0 % Operating income - GAAP 74.0 65.0 381.2 189.3 Special items in operating income (Attachment 3) 11.2 14.6 47.8 73.7 Adjusted Operating income $ 85.2 $ 79.6 $ 429.0 $ 263.0 Adjusted Operating income as a percent of sales 7.1 % 8.0 % 8.9 % 8.1 % The table below reconciles pre-special income tax expense and the pre-special effective tax rate to their most comparable US GAAP figures.

Accordingly, we expect second quarter sales and adjusted EPS of $845 million and $0.60, respectively, which reflects slightly higher margins than we projected at the beginning of the year,” Ms. They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. Three Months Ended March 31, Reconciliation to Consolidated Statements of Income 2023 2022 Sales $ 845.7 $ 892.2 Gross margin - GAAP 247.6 254.4 Special items in gross margin (Attachment 3) 8.0 5.8 Adjusted gross margin $ 255.6 $ 260.2 Adjusted gross margin as a percent of sales 30.2 % 29.2 % Operating income - GAAP 57.1 102.2 Special items in operating income (Attachment 3) 27.1 6.8 Adjusted operating income $ 84.2 $ 109.0 Adjusted operating income as a percent of sales 10.0 % 12.2 % Three Months Ended March 31, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 Net income from continuing operations – GAAP $ 21.3 $ 64.7 Income tax expense 7.7 20.0 Interest expense, net 28.8 16.9 Depreciation and amortization 50.5 37.6 EBITDA from continuing operations $ 108.3 $ 139.2 Special items, before tax 27.3 6.7 Depreciation and amortization included in special items (1.8) (2.1) Adjusted EBITDA $ 133.8 $ 143.8 Adjusted EBITDA as a % of sales 15.8 % 16.1 % NEWS RELEASE Attachment 1

I’m very pleased with our results as second quarter sales and adjusted EPS reached all-time highs driven by our portfolio of sustainable solutions and continued strong demand conditions,” said Robert M. We expect seasonality of the business to play out in the third quarter and estimate sales of $1.15 billion and adjusted EPS of $0.68. This represents sales and adjusted EPS growth of 24% and 48%, respectively, over the prior year third quarter.”

Khandpur added, "On a geographic basis, all regions delivered year-over-year organic sales growth. The US and Canada grew organic sales 5% and Latin America had a strong quarter growing organic sales by 19%. We also generated 4% and 1% organic sales growth in EMEA and Asia, respectively.

In conjunction with this proposed acquisition, Avient has also announced that it plans to explore sale options for its Avient Distribution business. Estimated sales and EBITDA for the Dyneema business in 2022 are approximately $415 million and $130 million, respectively. Further, Avient’s composites platform with the Dyneema business will represent over 50% of the company’s Specialty Engineered Materials segment sales. 2 “In conjunction with our intent to acquire Dyneema, we plan to explore a potential sale of our distribution business,” said Mr.

They use words such as "will," “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. GUIDANCE 11 $845 $824 $130 $131 Sales Adjusted EBITDA (in millions) $0.60 $0.63 (in millions) Q2 2023 PERFORMANCE VS. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 28 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.5 13.8 12.7 12.6 11.3 8.7 18.6 16.5 10.1 10.0 9.7 9.5 9.4 8.7 01 1) 01 8) 02 3) Avient Specialty Other Specialty / 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% 30 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 B ILL ION 34% 38% END MARKET REGION 31 34% 21% Building & 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 B ILL ION 52% 35% 32 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% 33 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.

The company reported third quarter sales of $815.2 million compared to $753.7 million in the prior year quarter. They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. Three Months Ended September 30, Nine Months Ended September 30, Reconciliation to Consolidated Statements of Income 2024 2023 2024 2023 Sales $ 815.2 $ 753.7 $ 2,493.9 $ 2,423.8 Gross margin - GAAP 261.4 195.3 797.2 683.6 Special items in gross margin (Attachment 3) 0.6 40.2 22.6 62.4 Adjusted gross margin $ 262.0 $ 235.5 $ 819.8 $ 746.0 Adjusted gross margin as a percent of sales 32.1 % 31.2 % 32.9 % 30.8 % Operating income - GAAP 77.2 34.3 243.7 153.7 Special items in operating income (Attachment 3) 8.4 41.0 41.8 89.9 Adjusted operating income $ 85.6 $ 75.3 $ 285.5 $ 243.6 Adjusted operating income as a percent of sales 10.5 % 10.0 % 11.4 % 10.1 % Three Months Ended September 30, Nine Months Ended September 30, Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 2024 2023 Net income from continuing operations – GAAP $ 38.7 $ 5.1 $ 122.2 $ 48.7 Income tax expense (benefit) 11.3 (0.1) 39.3 18.0 Interest expense, net 26.9 30.3 80.1 88.5 Depreciation & amortization 45.1 46.4 134.3 144.5 EBITDA from continuing operations $ 122.0 $ 81.7 $ 375.9 $ 299.7 Special items, before tax 9.7 43.2 44.0 92.2 Interest expense included in special items (1.3) (2.2) (2.3) (2.2) Depreciation & amortization included in special items (0.4) — (1.2) (1.9) Adjusted EBITDA $ 130.0 $ 122.7 $ 416.4 $ 387.8 Adjusted EBITDA as a percent of sales 15.9 % 16.3 % 16.7 % 16.0 % Year Ended December 31, 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 75.8 $ 0.83 Special items, after-tax 79.3 0.86 Amortization expense, after-tax 61.5 0.67 Adjusted net income / EPS $ 216.6 $ 2.36

They use words such as "will," “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. Three Months Ended September 30, 2023 Three Months Ended September 30, 2022 Reconciliation to Condensed Consolidated Statements of Income: $ EPS $ EPS Net income (loss) from continuing operations attributable to Avient shareholders $ 5.1 $ 0.06 $ (27.4) $ (0.30) Special items, after tax 32.0 0.35 68.3 0.75 Amortization expense, after-tax 15.2 0.16 $ 13.4 $ 0.14 Adjusted net income / EPS $ 52.3 $ 0.57 $ 54.3 $ 0.59 September 30, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 Sales - GAAP $ 753.7 $ 823.3 Pro Forma APM adjustments — 60.7 Pro forma adjusted sales $ 753.7 $ 884.0 Net income from continuing operations – GAAP $ 5.1 $ (27.8) Income tax (benefit) expense (0.1) (1.2) Interest expense, net 30.3 37.3 Depreciation and amortization 46.4 39.8 EBITDA from continuing operations $ 81.7 $ 48.1 Special items, before tax 43.2 82.0 Interest expense included in special items (2.2) (10.0) Depreciation and amortization included in special items — (0.8) Adjusted EBITDA $ 122.7 $ 119.3 Pro forma APM adjustments — 17.2 Pro forma adjusted EBITDA $ 122.7 $ 136.5 Pro forma adjusted EBITDA as a % of sales 16.3 % 15.4 % 1 Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2006 2018 Sales $ 2,622.4 $ 3,533.4 Net income from continuing operations – GAAP $ 133.5 $ 160.8 Income tax expense 29.7 36.4 Interest expense, net 63.1 62.8 Depreciation and amortization 57.1 91.5 EBITDA from continuing operations $ 283.4 $ 351.5 Special items, before tax (34.0) 59.5 Depreciation and amortization included in special items — (3.0) JV - equity income (107.0) — Adjusted EBITDA $ 142.4 $ 408.0 Adjusted EBITDA as a % of sales 5.4 % 11.5 % Reconciliation to EBITDA and Adjusted EBITDA: December 31, 2022 Net loss from continuing operations – GAAP $ (16.6) Income tax benefit (60.8) Interest expense, net 49.4 Depreciation and amortization 48.6 EBITDA from continuing operations $ 20.6 Special items, before tax 104.3 Interest expense included in special items (16.0) Depreciation and amortization included in special items (1.5) Adjusted EBITDA $ 107.4 Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended December 31, 2022 Net loss from continuing operations attributable to Avient shareholders $ (17.0) Special items, after tax 38.3 Amortization expense, after-tax 14.6 Adjusted net income from continuing operations excluding special items 35.9 Pro forma adjustments* 2.5 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.4 Weighted average diluted shares 91.7 Pro forma adjusted EPS - excluding special items pro forma for APM acquisition $ 0.42 * Pro forma adjustment to reflect APM results for the period before Avient ownership including the impacts of debt financing and paydown of debt with net proceeds from the Distribution sale. 2 AVNT Q3 2023 Earnings Presentation Avient corporation�Third quarter 2023 results DISCLAIMER Slide Number 3 Avient protective materials �First Year Slide Number 5 Slide Number 6 Slide Number 7 Slide Number 8 Slide Number 9 Slide Number 10 Slide Number 11 Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 IR Deck - AVNT-2023.09.30 Non GAAP Recs Attachment

Adjusted EPS of $0.52 exceeded the $0.48 projection included in the Company’s performance update provided in December and was driven by better-than-expected sales in the Color, Additives and Inks segment. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. Three Months Ended Year Ended Reconciliation to Consolidated Statements of Income 2020 2019 2020 2019 Sales $ 997.0 $ 658.6 $ 3,242.1 $ 2,862.7 Gross margin - GAAP 252.9 153.3 784.3 657.2 Special items in gross margin (Attachment 3) 1.7 (0.8) 25.3 7.3 Adjusted Gross margin $ 254.6 $ 152.5 $ 809.6 $ 664.5 Adjusted Gross margin as a percent of sales 25.5 % 23.2 % 25.0 % 23.2 % Operating income - GAAP 65.0 20.5 189.3 156.8 Special items in operating income (Attachment 3) 14.6 24.6 73.7 71.7 Adjusted Operating income $ 79.6 $ 45.1 $ 263.0 $ 228.5 Adjusted Operating income as a percent of sales 8.0 % 6.8 % 8.1 % 8.0 % The table below reconciles pre-special income tax expense and the pre-special effective tax rate to their most comparable US GAAP figures.