Avient expressly rejects the applicability of any additional, different, conflicting, or other terms and conditions or stipulations of Supplier. 1. Supplier warrants that the Goods provided do not contain any chemicals included on Schedule 1, Schedule 2, or Schedule 3 of the Chemical Weapons Convention and Chemical Weapons Convention Regulations and do not contain so-called Conflict Minerals nor result from processes utilizing Conflict Minerals. https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf Avient Terms and Conditions of Purchase for Goods and/or Services 12.9 Supplier will not use forced labor, as defined by U.S.

BATTERY RANGE EXTENSION Lightweighting SOLUTION: Long fiber reinforced polyketone (PK) thermoplastics © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons

The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/k7okojz2.   EPS(1) 1)

Our Code of Conduct is available in over 20 languages and can be found at: https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/company/policies-and-governance/code-conduct Our Ethics Hotline is available 24 hours a day, 7 days a week, by phone or web, for our associates and the community to report any concerns or make inquiries. Our disclosures are located at: https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and- human-traffickingstatement We reinforce Our Commitment to human rights, as set forth above, throughout our organization by incorporating and reflecting these principles in organizational policies, training programs, and our governance management framework. https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-traffickingstatement https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-traffickingstatement https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf

行为准则》 | 16 http://《全球隐私与数据保护政策》 http://《全球隐私与数据保护政策》 社交媒体和社交网络 Avient 认为社交媒体和社交网络可能对专业有价值。 请遵 守两个简单准则： 1. 行为准则》 | 30 http://avient.ethicspoint.com http:// avient.ethicspoint.com http://avient.ethicspoint.com 北美 全球总部，美国 Avon Lake 33587 Walker Road Avon Lake, OH, United States 44012 免费电话：+1 866 765 9663 电话：+1 440 930 1000 传真：+1 440 930 3064 亚太地区 地区总部，中国上海 金苏路 200 号 C 幢 2 楼 中国上海浦东，邮编 201206 电话：+86 (0) 21 6028 4888 传真：+86 (0) 21 6028 4999 南美 地区总部，巴西圣保罗 Av.

請遵循以下兩個簡單的規則： 1. 行為準則》 | 27 https://www.avient.com/company/sustainability/sustainability-report http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 問：我的主管要求我遵循新的廢棄物處理程序，但我不 確定該程序是否安全或合法。 行為準則》 | 30 北美 全球總部美國雅芳湖 33587 Walker Road Avon Lake, OH, United States 44012 免付費電話：+1 866 765 9663 電話：+1 440 930 1000 傳真：+1 440 930 3064 亞太地區 中國上海區域總部 201206 中國上海浦東 金蘇路 200 號 C 區 2 樓 電話：+86 (0) 21 6028 4888 傳真：+86 (0) 21 6028 4999 南美洲 巴西聖保羅地區總部 Av.

PolyOne Corporation Page 1 PolyOne Investor Presentation Goldman Sachs Basic Materials Conference May 2015 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y 2014Y Net income attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 Joint venture equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) - - - Special items, after tax(1) (21.2) 41.4 310.0 (31.0) 15.8 (30.5) 35.7 30.4 101.0 Tax adjustments(2) (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) 0.5 2.2 (10.5) Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 93.5 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 Adjusted EPS 2010 Q1 2011 Q1 2012 Q1 2013 Q1 2014 Q1 2015 Q1 Net income attributable to PolyOne common shareholders $ 20.1 $ 106.0 $ 15.3 $ 11.2 $ 29.4 $ 30.2 Joint venture equity earnings, after tax (0.5) (3.7) - - - - Special items, after tax(1) (0.3) (79.8) 6.1 17.2 14.1 5.5 Tax adjustments(2) (3.5) (1.5) 0.1 0.5 (1.6) 5.9 Adjusted net income $ 15.8 $ 21.0 $ 21.5 $ 28.9 $ 41.9 $ 41.6 Diluted shares 95.3 96.4 90.7 92.8 95.7 90.1 Adjusted EPS $ 0.17 $ 0.22 $ 0.24 $ 0.31 $ 0.44 $ 0.46 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal or discontinued operations 1) Special items are a non-GAAP financial measure.

PolyOne Corporation Page 1 PolyOne Investor Presentation Jefferies 2015 Industrials Conference August 2015 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y 2014Y Net income attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 Joint venture equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) - - - Special items, after tax(1) (21.2) 41.4 310.0 (31.0) 15.8 (30.5) 35.7 30.4 101.0 Tax adjustments(2) (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) 0.5 2.2 (10.5) Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 93.5 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 Adjusted EPS 2010 Q2 2011 Q2 2012 Q2 2013 Q2 2014 Q2 2015 Q2 Net income attributable to PolyOne common shareholders $ 44.7 $ 23.1 $ 18.4 $ 38.6 $ 30.9 $ 66.8 Joint venture equity earnings, after tax (4.5) - - - - - Special items, after tax(1) (9.0) 0.9 8.0 (2.2) 22.6 8.0 Tax adjustments(2) (13.1) 0.4 0.9 0.2 (5.2) (23.9) Adjusted net income $ 18.1 $ 24.4 $ 27.3 $ 36.6 $ 48.3 $ 50.9 Diluted shares 96.3 95.5 90.7 99.1 94.3 89.8 Adjusted EPS $ 0.19 $ 0.26 $ 0.30 $ 0.37 $ 0.51 $ 0.57 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal or discontinued operations 1) Special items are a non-GAAP financial measure.

For more information, visit https://www.avient.com. EPS(1) 1)

For more information, visit https://www.avient.com. 1) 1)