Expects record fourth quarter adjusted EPS of approximately $0.48 compared to previous fourth quarter outlook of $0.40; increase is driven primarily by improved demand conditions across all business segments and regions We expect to achieve record fourth quarter adjusted EPS of approximately

Naas, County Kildare, Ireland

OUR CODE OF INTEGRITY IN OUR CORPORATE SOCIAL CODE OF CONDUCT | 11 Accurate Information, Data and Records Complete, accurate and reliable records are essential to good decisions and efficient operations. We must also be familiar with and comply with our record management policies and retention schedule and remember that they apply to records and information in any format, including electronic and paper copies. Further, such payments must be accurately and completely recorded in the accounting records as a business expense.

A zero recordable injury goal reflects PolyOne’s focus on the People aspect of our 4P sustainability cornerstones. In 2018, we achieved the best performance in our history with a recordable incident rate of 0.51. Proper disposal is proven and documented in internal records.

Each of us has the responsibility to prepare and maintain accurate information and complete records. We must also be familiar with and comply with our record management policies and retention schedule and remember that they apply to records and information in any format, including electronic and paper copies. Further, such payments must be accurately and completely recorded in the accounting records as a business expense.

Page 93 • Versus 2010, revenue growth of 9% drives 23% increase in adjusted operating income • Adjusted EPS expands 29% to all-time high of $1.02 Net Sales Adjusted Operating $1.02 Adjusted EPS $2,622 $2,643 $2,739 $2,061 $2,622 $2,864 Net Sales $88 $87 $72 $59 $147 $181 Adjusted Operating Income $0.12 $0.27 $0.21 $0.13 $0.79 $1.02 ($ millions) ($ millions) Page 94 • Each platform contributed to our year over year operating income growth • Record OI achieved in Specialty and POD • Ten quarters of double-digit adjusted EPS expansion POD PP&SSpecialty Platform ROS%* 0.6% 1.5% 3.2% 4.3% 5.3% 8.4% 8.0% 2.9% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.7% 5.5% 6.1% 3.1% 5.0% 7.0% 7.2% $20 $19 $22 $28 $25 $42 $56 I POD $76 $64 $66 $31 $33 $54 $62 In PP&S $5 $13 $31 $46 $46 $87 $89 I Specialty Platform *ROS% is defined as adjusted operating income % of revenue Page 95 • Continued portfolio repositioning � Sale of SunBelt equity investment � Acquisition of specialty companies ColorMatrix and Uniplen • World-class working capital of 9.6% maintained while improving on-time delivery to 94%improving on-time delivery to 94% 81% 87% 88% 95% 93% 92% 94% 2005 2006 2007 2008 2009 2010 2011 14.3% 16.2% 14.4% 18.9% 11.7% 9.6% 9.6% 2005 2006 2007 2008 2009 2010 2011 On-Time Delivery Working Capital % of Sales Page 96 First Quarter 2012 Highlights • Revenues increased 9% over Q1 2011 to a new quarterly record • Adjusted EPS increased 12% $0.26 $0.29 Adjusted EPS • Adjusted EPS increased 12% over prior year • All platforms delivered double-digit operating income growth $25.2 $14.7 $29.1 $17.8 $16.7 Specialty PP&S POD Adjusted Operating Income $14.3 Page 97 • Total Debt at 3/31/12 Less: Cash Net Debt • Available Liquidity $706 186 $520 $360 $250 $350 $400 $450 Debt Maturities As of March 31, 2012 Debt Maturities & Liquidity Summary – 3/31/12 • Available Liquidity Cash ABL Availability Total Liquidity • Net Debt / EBITDA* = 1.9x $186 156 $342 *Adjusted EBITDA TTM Pro forma for ColorMatrix $50 $0 $50 $100 $150 $200 $250 2015 2017 2020 Page 98 • Repurchased 6 million shares in 2011 Share Share RepurchaseRepurchase • Introduced a quarterly dividend in Q1 2011 and increased in Q1 DividendsDividends • Expanding our sales, marketing, and technical capabilities is top Organic Organic GrowthGrowth • Targets that expand our: • Specialty offering • End market presence AcquisitionsAcquisitions Use of Cash Current Cash Balance = $186M Net Debt / EBITDA* = 1.9X • 7.9 million shares remain available for repurchase under the current authorization increased in Q1 2012 • Objective of maintaining and growing capabilities is top priority • Investing in operational and LSS initiatives • CAPEX • End market presence • Geographic footprint • Synergy opportunities • Adjacent material solutions *Adjusted EBITDA TTM Pro forma for ColorMatrix Page 99 Page 100

Quality Objectives are recorded and reviewed regularly. Yes, combination of electronic and manual records. Are records maintained?

James S T A T E OF O H I O C E R T I F I C A T E Ohio Secretary of State, Frank LaRose 4463782 It is hereby certified that the Secretary of State of Ohio has custody of the business records for and, that said business records show the filing and recording of: AVIENT CORPORATION United States of America State of Ohio Office of the Secretary of State Witness my hand and the seal of the Secretary of State at Columbus, Ohio this 23rd day of April, A.D. 2020.

In the event that the NEU determines that it is the root cause of the Customer complaint, a corrective action will be issued, and preventive actions will be developed to address the root cause. 10.0 MANAGEMENT OF SUPPLIERS 10.1 NEU will maintain and ensure oversight and monitoring of applicable suppliers in accordance with the requirements of ISO 13485 Quality Management System. 11.0 TRACABILITY, RECORDS & RETENTION 11.1 NEU is responsible for establishing and maintaining controlled documentation of product and raw material component traceability during all stages of production and shipment. 11.2 An electronic record of the manufacturing conditions and raw materials (vendor ID and lot number) used to manufacture each batch is retained and preserved for a period of at least 7 years from the manufacture date or as specified by applicable Regulatory Requirements. 11.3 An electronic record of the Customer purchase order and NEU sales order confirmation will be retained and for a period of at least 7 years from order acceptance date. 11.4 A representative sample of the product manufactured will be retained for a period of at least 1 year from manufacture date. 12.0 EXPIRATION 12.1 NEU’s obligations contained in this Quality Commitment will automatically expire if the Customer does not purchase product from NEU for a period of one year.

Under our EH&S MS, Avient has rolled out multifaceted trainings and tools to achieve our ultimate goal of zero recordable injuries in the workplace.