HYPE also hosted a series of webinars with learnings aimed to increase business acumen, educating associates on the breadth of products Avient offers and breaking down the company’s structure to provide tangible examples of how our business segments collaborate to support the customer and drive business. We leveraged peer-to-peer learning through the “Ask the Expert” series, where global associates shared their expertise and personal perspectives in short videos. The new Edgetek™ PKE and LubriOne™ PKE series combine excellent chemical and hydrolysis resistance to meet the challenges of harsh applications, such as those found in chemical, fuel contact, or high- moisture environments.

Q & A Q: One of our customers has been loyal to us while we worked through a series of issues.

F H H O m C H H O *C H H n C* H H O *m C H H C H C H C H H C H H C H *z C C C N HH H * x y C H 3 O C H 3 O* O C *n 285-056 Peel adhesion 3.23 2.55 3.06 3.063.063.062.89 2.55 2.89 2.89 2.72 2.72 3.06 2.38 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 Lexan 141 Cycolac MG38 Cycoloy C2950 Xenoy 5220 Xenoy 1339 Injection speed: 25 mm/sec A vg . p ee l, N /m m Melt temp: 190°C Melt temp: 200°C Melt temp: 220°C Figure 5: GLS 285-056 adhesion values overmolded onto PC, ABS, PC/ABS and PC/PBT over a wide range of melt emperatures of the TPE. t 285-056 peel adhesion 2.893.06 2.89 2.38 2.55 2.55 2.89 2.55 2.89 3.063.06 2.89 2 3 25 50 75 Injection velocity, mm/sec A vg . p ee l, N /m m Lexan 141 Cycolac MG38 Cycoloy C2950 Xenoy 5220 Figure 6: GLS 285-056 adhesion values overmolded onto PC, ABS, PC/ABS and PC/PBT over a wide range of injection peeds. s 285-056 tensile properties: initial & aged after 1 week at 70°C. 2.35 1.60 2.77 2.30 1.66 2.77 0 0.5 1 1.5 2 2.5 3 Tensile Strength 100% Modulus 300% Modulus P as ca ls Initial Final Figure 7: Physical property retention of GLS 285-056 after 1week at 70°C.

Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from April 2019 to April 2021; Executive Vice President, Electronics & Energy business group, from July 2017 to March 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from July 2014 to June 2017, among other roles. The Policy generally applies to “Related Person Transactions,” defined as any transaction, arrangement or relationship, or series of similar transactions, arrangements or relationships (including any indebtedness or guarantee of indebtedness), in which (i) the Company or any of its subsidiaries was, is or will be a participant and the amount involved exceeds $120,000 and (ii) any of the following persons had, has or will have a direct or indirect material interest (except those transactions, arrangements or relationships that would not be required to be disclosed pursuant to SEC rules after considering the materiality thresholds set forth in Item 404 of Regulation S-K under the Exchange Act): • our Directors, Director nominees, or Executive Officers; • any immediate family member of any of the foregoing persons; • any person who is known to be the beneficial owner of more than 5% of any class of our voting securities; or • any entity in which any of the foregoing persons is employed or is a partner or principal or in a similar position or in which such person has a 5% or greater beneficial ownership interest. The affirmative vote of a majority of the common shares represented and voting, in person (including virtually) or by proxy, at any meeting of shareholders at which a quorum is present is required for action by shareholders on any matter, unless the vote of a greater number of shares or voting by classes or series is required under Ohio law.

Yes ☑ No ☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Through a series of acquisitions and divestitures, the Company has transformed into a premier specialty formulator. Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronic business group, from April 2019 to April 2021; Executive Vice President, Electronics & Energy business group, from July 2017 to March 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from July 2014 to June 2017, among other roles.

The Policy generally applies to “Related Person Transactions,” defined as any transaction, arrangement or relationship, or series of similar transactions, arrangements or relationships (including any indebtedness or guarantee of indebtedness), in which (i) the Company or any of its subsidiaries was, is or will be a participant and the amount involved exceeds $120,000 and (ii) any of the following persons had, has or will have a direct or indirect material interest (except those transactions, arrangements or relationships that would not be required to be disclosed pursuant to SEC rules after considering the materiality thresholds set forth in Item 404 of Regulation S-K under the Exchange Act): • our Directors, Director nominees, or Executive Officers; • any immediate family member of any of the foregoing persons; • any person who is known to be the beneficial owner of more than 5% of any class of our voting securities; or • any entity in which any of the foregoing persons is employed or is a partner or principal or in a similar position or in which such person has a 5% or greater beneficial ownership interest. The affirmative vote of a majority of the common shares represented and voting, in person (including virtually) or by proxy, at any meeting of shareholders at which a quorum is present is required for action by shareholders on any matter, unless the vote of a greater number of shares or voting by classes or series is required under Ohio law.

ANNUAL REPORT 2021 CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2 0 2 1 CORPORATE OFFICERS ROBERT M. Personal Values INTEG R IT Y R E S P EC T H O N E S T Y Core Values COLLABO R A T IO N E X C E LL EN CE INN OVAT I O N OUR CULTURE 1 Annual Report | 2021 2 0 2 1 Dear Avient Shareholders, 2021 was our first full year as Avient Corporation. AVIENT.COM A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2 0 2 1

For new component designs, flow ratios (L/T) should be between 80:1 – 120:1 3 .

Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from April 2019 to April 2021; Executive Vice President, Electronics & Energy business group, from July 2017 to March 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from July 2014 to June 2017, among other roles. The Policy generally applies to “Related Person Transactions,” defined as any transaction, arrangement or relationship, or series of similar transactions, arrangements or relationships (including any indebtedness or guarantee of indebtedness), in which (i) the Company or any of its subsidiaries was, is or will be a participant and the amount involved exceeds $120,000 and (ii) any of the following persons had, has or will have a direct or indirect material interest (except those transactions, arrangements or relationships that would not be required to be disclosed pursuant to SEC rules after considering the materiality thresholds set forth in Item 404 of Regulation S-K under the Exchange Act): • our Directors, Director nominees, or Executive Officers; • any immediate family member of any of the foregoing persons; • any person who is known to be the beneficial owner of more than 5% of any class of our voting securities; or • any entity in which any of the foregoing persons is employed or is a partner or principal or in a similar position or in which such person has a 5% or greater beneficial ownership interest. The affirmative vote of a majority of the common shares represented and voting, in person (including virtually) or by proxy, at any meeting of shareholders at which a quorum is present is required for action by shareholders on any matter, unless the vote of a greater number of shares or voting by classes or series is required under Ohio law.

482196_DCOV.pdf ANNUAL REPORT 201 2 U N I Q U E S O L U T I O N S D I S T I N G U I S H E D P E R F O R M A N C E P O LYO N E A N N U A L R E P O R T 20 12 ANNUAL REPORT 2012 PolyOne Corporation, with 2012 revenues of $3 billion, is a premier provider of specialized polymer materials, services and solutions. Í Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). WULFSOHN Chief Executive Officer, Carpenter Technology Corporation Committee: 2 1 ANNUAL REPORT 201 2 U N I Q U E S O L U T I O N S D I S T I N G U I S H E D P E R F O R M A N C E P O LYO N E A N N U A L R E P O R T 20 12 ANNUAL REPORT 2012