The round at the bottom of the boss should Figure 4 - Drafting Guidelines for Nominal Wall Thickness Cross section showing draft Figure 5 - Rib design guidelines 1/4˚—–1˚ 2.5W W 3W Min. .01" R Min. or .25W .75W for a low shrink material .50W for a high shrink material Figure 6 - Wall thickness changes due to rib placement 16.00 14.00 12.00 10.00 8.00 6.00 4.00 2.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 Rib-height (mm) M ax D is p la ce m en t M ag n it u d e (m m ) 0 FIGURE 4 - Drafing guidelines for nominal wall thickness FIGURE 5 - Rib design guidelines FIGURE 7 - Wall thickness changes due to rib placement FIGURE 6 - Rib height vs. stiffness 10 Gravi-Tech FIGURE 8 - Side Wall Boss Design Guidelines Sink Not Recommended Preferred Design A = Diameter = A = Primary Wall = A = 2A FIGURE 9 - Guidelines Design Guidelines 4W W 2W .75W For a Low Shrink Material .50W For a High Shrink Material FIGURE 9 - Side wall boss design guidelines FIGURE 10 - Gusset design guidelines FIGURE 11 - Structural hole design guidelines be 10% of wall thickness.

locale=en https://www.carbon-minds.com/ https://www.certipedia.com/quality_marks/0000084994? locale=en https://www.avient.com/company/sustainability/sustainability-report/products/product-stewardship-global-chemical-management-product-excellence At Avient, global chemical management is focused on Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) assessments, reclassifications and communication on the safe use and handling of these substances.

$ D O LL A R S 2007 2008 2009 2010 2011 .25 .50 .75 1.00 1.25 ADJUSTED EARNINGS PER SHARE^ 278% INCREASE SINCE 2007 % O F O P ER AT IN G IN C O M E 2007 2008 2009 2010 2011 20 40 60 80 100 OPERATING MIX SHIFT* JOINT VENTURES PP&S DISTRIBUTION SPECIALTY P ER C EN TA G E 2007 2008 2009 2010 2011 1.5 3.0 4.5 6.0 7.5 ADJUSTED RETURN ON SALES∆ *Operating Income excludes Corporate Charges OPERATIONAL PERFORMANCE SPECIALTY PLATFORM OPERATING INCOME $ M IL LI O N S 20 40 60 80 100 2007 2008 2009 2010 2011 192% INCREASE SINCE 2007 91% INCREASE SINCE 2007 ^EPS excluding special items and equity income from SunBelt SAFETY — INJURY INCIDENCE RATEº 2007 2008 2009 2010 2011 .25 .50 .75 1.0 1.25 “WORLD-CLASS” PERFORMANCE IN JU R Y IN C ID EN C E R AT E ºNumber of injuries per 100 full-time associates P ER C EN TA G E 2007 2008 2009 2010 2011 4 8 12 16 20 WORKING CAPITAL† — PERCENTAGE OF SALES “BEST-IN-CLASS” WORKING CAPITAL MANAGEMENT † Working capital is defined as accounts receivable plus inventories minus accounts payable ∆Operating income as a percentage of sales, excluding special items and equity income from SunBelt United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K Í ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2011 ‘ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to .

KODEKS POSTĘPOWANIA | 4 SPIS TREŚCI WSTĘP NASZ KODEKS POSTĘPOWANIA SZACUNEK DLA WSZYSTKICH UCZCIWOŚĆ W PRACY UCZCIWOŚĆ W DZIAŁALNOŚCI BIZNESOWEJ SPOŁECZNA ODPOWIEDZIALNOŚĆ BIZNESU DANE KONTAKTOWE mailto:https://secure.ethicspoint.com/domain/media/en/gui/49178/index.html?

Skills/Experience A be rn at hy Fe ar o n G o ff G re en Je lli so n K ha nd pu r Li n M in k N ic o la s P re et e V er du in W ul fs o hn Financial Knowledge of finance or financial reporting; experience with debt/capital market transactions and/or mergers and acquisitions l l l l l l l l l International Experience doing business internationally or focused on international issues and operations and exposure to markets, economies, and cultures outside the U.S. l l l l l l l l l l l l Industry Expertise Significant experience in the Company’s businesses and industries l l l l l l l l l Regulatory Experience in government and regulatory affairs, and regulated industries, including as part of a business and/or through positions with government organizations and regulatory bodies l l l l l l l l Technology Technical or scientific knowledge and experience implementing technology strategies l l l l l Human Capital Experience in management of labor relations, in human resources, and talent management l l l l l l l l l l Operations Experience overseeing complex operations and developing and implementing operational plans and business operations strategy l l l l l l l l l l l Corporate Governance Experience and understanding of governance matters and principles, including management accountability, transparency and protection of shareholder interests l l l l l l l l l l l l IT and Cybersecurity Experience and understanding of information security, data privacy and cybersecurity l l l l Sustainability Experience in environmental matters, community affairs, and/or corporate responsibility initiatives including sustainability l l l l l l l l l l l l Other Public Company Boards 1 3 — — 2 1 2 2 — 1 2 1 OUR PURPOSE AND STRATEGIC FRAMEWORK PROXY STATEMENT 2025 | Annual Meeting of Shareholders 7 Governance Highlights As part of our commitment to overall excellence, our Company’s governance practices include the following: Director Independence • Eleven out of our twelve Director nominees are independent. • The independent Directors regularly hold executive sessions without management at Board and committee meetings.

D OL LA RS ADJUSTED EARNINGS PER SHARE* *2009 has not been restated for subsequent changes in accounting principles or discontinued operations .60 .50 .40 .30 .20 .10 0 2009 2010 2011 2012 2013 2014 2015 25 CONSECUTIVE QUARTERS OF YOY EPS GROWTH 0 + 43 + 49 + 52 + 59 + 66 + 7622 + 47 + 52 + 61 + 61 + 74 + 8739 + 48 + 46 + 61 + 60 + 74 + 8737 + 36 + 37 + 49 + 51 + 63 + 68PE RC EN TA GE ADJUSTED CONSOLIDATED OPERATING MARGIN 12% 10% 8% 6% 4% 2% 0% 2009 2010 2011 2012 2013 2014 2015 8 2.8% 5.2% 5.6% 6.7% 6.9% 8.3% 9.5% 4 products introduced in the last five years.

Terms of disclosure for corporate questionnaire 2024 - CDP . https://www.cdp.net/en/info/terms-and-conditions/terms-of-disclosure/corporate-questionnaire 1 Contents 2 C1.