https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites Slide 1: Heavy Truck manufacturer

1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada.

LEARN MORE https://www.avient.com/products/polymer-colorants/colorant-dispersions/colorants-liquid-silicone-rubber Slide 1: Textile manufacturer

All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/stat-tech-static-dissipative-electrically-conductive-formulations Slide 1: Global small appliance brand

ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS.

https://www.avient.com/products/polymer-additives/surface-modifier-additives/cesa-anti-phenolic-yellowing-additives Slide 1: TPEE/tpu FILM Manufacturer

LEARN MORE https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers Slide 1: sports brand

TIER 1 AEROSPACE SUPPLIER S E A T I N G S T R U C T U R A L C O M P O N E N T • Reduce weight to improve fuel economy • Pass FAA flame, smoke, toxicity requirements • Meet structural requirements • Simplify manufacturing process • Lowered weight ~40% versus aluminum while maintaining the strength performance properties • Formulated a PES material to satisfy flame, smoke, toxicity (FST) standards for commercial aircraft • Passed and/or exceeded customer’s impact testing specifications • Provided an injection moldable hybrid glass/carbon fiber solution that enabled lower viscosity and better processability for thin wall parts Complēt™ Long Hybrid (Carbon + Glass) Fiber Reinforced PES Composite KEY REQUIREMENTS WHY AVIENT?

PolyOne Corporation Page 1 PolyOne Investor Presentation RW Baird 2015 Industrial Conference November 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. Platform operating income mix percentage 2005* 2008* 2010* 2013 2014 2015 YTD Global Color, Additives and Inks $ 4.3 $ 28.1 $ 37.7 $104.0 $124.9 $ 107.9 Global Specialty Engineered Materials 0.4 17.6 49.7 57.2 72.4 63.2 Designed Structures and Solutions - - - 33.4 45.1 12.0 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $194.6 $242.4 $ 183.1 Performance Products and Solutions 75.7 31.3 54.0 56.0 63.1 43.9 Distribution 19.5 28.1 42.0 63.3 68.2 52.4 Joint ventures 91.9 28.6 18.9 - - — Corporate and eliminations (51.5) (425.1) (27.7) (82.4) (218.6) (59.8) Operating income (loss) GAAP $140.3 $(291.4) $174.6 $231.5 $155.1 $ 219.6 Less: Corporate operating expense 51.5 425.1 27.7 82.4 218.6 59.8 Operating income excluding Corporate $191.8 $133.7 $202.3 $313.9 $373.7 $ 279.4 Specialty platform operating mix percentage 2% 34% 43% 62% 65% 66% Adjusted EPS is calculated as follows: 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 2 Adjusted EPS 2011 Q3 2012 Q3 2013 Q3 2014 Q3 2015 Q3 Net income attributable to PolyOne common shareholders $ 16.0 $ 19.4 $ 23.2 $ 32.3 $ 44.5 Special items, after tax(1) 3.1 5.3 10.5 13.2 12.6 Tax adjustments(2) (0.3) 0.1 1.8 (0.1) (9.6) Adjusted net income $ 18.8 $ 24.8 $ 35.5 $ 45.4 $ 47.5 Diluted shares 94.3 90.2 98.1 93.1 88.4 Adjusted EPS $ 0.20 $ 0.27 $ 0.36 $ 0.49 $ 0.54 * 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 and are used to determine adjusted earnings.

As of suppliers outside QuébecJanuary 1, 2019, certain must register for the QST and collect the tax on certain taxable supplies they make in Québec. Registration number 1019288451 TQ 0004 Status Valid Effective date of status 2017-08-01 Date viewed 2021-02-04 Business's name AVIENT CANADA ULC Business name SPARTECH PLASTIQUES Registration number to validate 1019288451TQ0004 Page 1 of 1Validate a QST Registration Number - Revenu Québec 2/4/2021https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A.ValiderInscription/...