Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government- controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17.

Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or in- directly (i) accept, promise, offer or provide any im- proper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17.

我們的《行為準則》 發佈日期：2024 年 10 月 目錄 介绍 : 首席執行長寄語 1 我們的《行為準則》 道德行為準則 3 個人價值觀 3 您的責任 4 Avient 主管與經理的其他職責 4 解決問題和報告不合規情況 5 道德熱線 5 禁止報復 6 行為準則應用方法 6 違反準則 6 尊重所有人 多元與包容 8 歧視或騷擾 8 職場關係 9 藥物濫用 10 人身安全和職場暴力 10 工作上的誠信 準確的資訊、資料與記錄 12 會計誠信 12 公司通訊 14 資產的保護與使用 14 專有與機密資訊、 想法與智慧財產 15 隱私、個人資訊與資料保護 16 網際網路與電子郵件的使用 16 社交媒體與社交網路 17 電腦安全、軟體授權與版權 17 內線消息與交易 18 政治獻金/活動及慈善捐款 19 政府調查與查詢 19 我們業務中的誠信 公平交易 21 賄賂與回扣 21 代理商與顧問 22 競爭 22 禮品與招待 23 利益衝突 24 自我交易 25 國際貿易 25 洗錢 25 企業社會責任 永續性 27 安全、健康與環境 28 產品與服務安全 29 尊重人權 29 共同的承諾 29 資源與聯絡資訊 我們的政策 30 內部聯絡人 30 道德熱線 30 首席執行長寄語 親愛的 Avient 團隊： 我們公司的決策對現今複雜且相互連結的世界影響深遠。 行為準則》 | 17 目錄 介绍 我們的《行為準則》 尊重所有人 工作上的誠信 我們業務中的誠信 企業社會責任 資源與聯絡資訊 http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx 內線消息與交易 您可能會在 Avient 發現與 Avient 或我們與之有業務往來的任 何公司有關的、尚未向公眾披露的重大資訊。

我们的《行为准则》 发布日期：2024 年 10 月 目录 介绍 : 首席执行官寄语 1 我们的《行为准则》 道德行为指南 3 个人价值观 3 您的责任 4 Avient 主管和经理的其他责任 4 解决问题和举报违规情况 5 道德热线 5 禁止打击报复 6 《行为准则》的适用范围 6 违反本准则的行为 6 尊重所有人 多元和包容 8 歧视或骚扰 8 工作场所关系 9 物质滥用 10 人身安全和 工作场所暴力 10 工作诚实 准确的信息、数据和记录 12 会计诚信 12 公司通讯 14 资产的保护和使用 14 专有和机密信息、 创意和知识产权 15 隐私、个人信息和数据保护 16 互联网和电子邮件的使用 16 社交媒体和社交网络 17 计算机安全、软件许可和版权 17 内幕信息和内幕交易 18 政治献金/活动和慈善捐赠 19 政府调查和询查 19 我们企业的诚信 公平交易 21 贿赂和回扣 21 代理人和顾问 22 竞争 22 礼品和招待 23 利益冲突 24 假公济私 25 国际贸易 25 洗钱 25 企业社会责任 可持续性 27 安全、健康和环境 28 产品和服务的安全 29 尊重人权 29 共同的承诺 29 资源和联系信息 我们的政策 30 内部联系方式 30 道德热线 30 首席执行官寄语 各位 Avient 团队成员： 在当今错综复杂、互联互通的世界中，我们公司的决策影响深远。 行为准则》 | 17 目录 介绍 我们的《行为准则》 尊重所有人 工作诚实 我们企业的诚信 企业社会责任 资源和联系信息 http:// http:// http:// http:// http:// 内幕信息和内幕交易 在 Avient，您可能掌握了有关 Avient 或任何与我们有业务往来 公司的重大未公开信息。

ELECTION OF BOARD OF DIRECTORS PROXY STATEMENT 2023 | Annual Meeting of Shareholders 17 Robert E. Notwithstanding any provision of this Plan to the contrary, this Section 17(b) may not be amended without approval by the Company’s shareholders. d) Subject to Section 17(b) hereof, the Compensation Committee may amend the terms of any award theretofore granted under this Plan prospectively or retroactively.

Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 17 • Explanation of how it is included in climate-related risk assessments Chronic physical risks related to climate-change are included as part of Avient’s overall Enterprise Risk Management process. Number of initiatives Total estimated annual CO2e savings in metric tonnes CO2e (only for rows marked *) Under investigation 0 0 To be implemented* 17 3,111.3 Implementation commenced* 51 189.2 Implemented* 207 5,458 Not to be implemented 0 0 C4.3b (C4.3b) Provide details on the initiatives implemented in the reporting year in the table below. Country/Region Scope 1 emissions (metric tons CO2e) Belgium 871 Canada 492 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 71 China 26 France 443 Germany 1,295 Hungary 114 Italy 699 Netherlands 60 Poland 165 Saudi Arabia 9 Spain 630 Thailand 5 United Kingdom of Great Britain and Northern Ireland 220 United States of America 12,415 Finland 61 India 154 Turkey 216 Singapore 30 Guatemala 17 Pakistan 168 Argentina 32 South Africa 27 Indonesia 13 Chile 0.001 Sweden 73 Colombia 6 C7.3 (C7.3) Indicate which gross global Scope 1 emissions breakdowns you are able to provide.

Stamford, Connecticut 17. The USEPA has requested that companies located in the area of the lower Passaic River, including Franklin-Burlington, cooperate in an investigation of contamination of approximately 17 miles of the lower Passaic River (the lower Passaic River Study Area). Note 17 — SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) 2016 Quarters 2015 Quarters (In millions, except per share data) Fourth (2) Third (3) Second (4) First (5) Fourth(6) Third (7) Second (8) First (9) Sales $ 787.7 $ 843.6 $ 861.5 $ 847.0 $ 775.8 $ 841.6 $ 887.1 $ 873.1 Gross Margin 155.3 173.1 192.3 185.5 156.9 169.1 185.7 169.8 Operating income 57.9 71.2 81.5 71.3 31.3 69.2 80.3 70.1 Net income 33.7 42.3 50.0 39.0 3.0 44.5 67.0 30.2 Net income attributable to PolyOne shareholders $ 33.8 $ 42.3 $ 50.0 $ 39.1 $ 3.1 $ 44.5 $ 66.8 $ 30.2 Net income from continuing operations per common share attributable to PolyOne common shareholders: (1) Basic earnings per share $ 0.41 $ 0.50 $ 0.59 $ 0.46 $ 0.04 $ 0.51 $ 0.75 $ 0.34 Diluted earnings per share $ 0.40 $ 0.50 $ 0.59 $ 0.46 $ 0.04 $ 0.50 $ 0.74 $ 0.34 (1) Per share amounts for the quarter and the full year have been computed separately.

17.

Barbastro, Spain 17. Pamplona, Spain 17. Based on the current funded status of the plan, our pension asset investment allocation guidelines are to invest 83% in fixed income securities and 17% in equity securities.

Sant Andreu, Spain 17. Drachten, Netherlands 17. During the measurement period, we will continue to obtain information to assist in finalizing the fair value of assets acquired and liabilities assumed, which may differ materially from the preliminary estimates. 43 AVIENT CORPORATION The preliminary purchase price allocation is as follows: (in millions) September 1, 2022 Measurement period adjustments December 31, 2022 Cash and cash equivalents $ 50.7 — $ 50.7 Accounts receivable 52.2 1.8 54.0 Inventories 136.2 (7.8) 128.4 Other current assets 2.0 — 2.0 Property 361.9 33.2 395.1 Intangible assets: Indefinite-lived trade names 254.9 — 254.9 Customer relationships 198.7 (10.1) 188.6 Patents, technology, and other 275.1 — 275.1 Goodwill 277.1 119.4 396.5 Other non-current assets 12.3 — 12.3 Accounts payable 32.2 — 32.2 Current operating lease obligations 1.2 — 1.2 Accrued expenses and other current liabilities 11.7 0.3 12.0 Deferred tax liabilities 86.1 133.9 220.0 Non-current operating lease obligations 5.0 — 5.0 Noncontrolling interests — 2.3 2.3 Other non-current liabilities 8.1 — 8.1 Total purchase price consideration $ 1,476.8 $ — $ 1,476.8 Definite-lived intangible assets that have been acquired have a preliminary useful life range of 17 to 20 years.