VALUE BENEFITS OF USING THE FLEXCART NANO SYSTEM The FlexCart Nano metering system is market leading: • Robust and dependable system control • Reliable yield (typically above 90%) and sustainable packaging • Fully supported technology • Small footprint designed for very low throughputs FLEXCART™ NANO LIQUID METERING SYSTEM Combined with the PlanetPak™ delivery packaging ATTRIBUTE FLEXCART NANO Footprint (LxW cm) 55 x 30 Controller options 3000 Typical max. throughput (kg/hr) 50 Max. metering rate (cc/s) 1.8 Continuous use No Transfer pumps N/A Metering pumps Peri Interchangeable cassette No Note: Peri = Peristatic Pump PLANETPAK™ CONTAINERS The FlexCart range of metering systems is designed to work with the standardized Avient range of packaging, typically achieving 99% reliable yield on continuous operating systems, and at the same time achieving a sustainable packaging format in terms of full recyclability.

°C TBD FIBERGLASS BARE FIBER PERFORMANCE FIBERGLASS DATA E-Glass S-Glass * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes ABOUT FIBER-LINE® For over 25 years, FIBER-LINE® has provided science- driven expertise that improves the performance and the end-use processing of high performance fibers.

POLYBENZYLOATE (PBO) DATA POLYBENZYLOATE (PBO) BARE FIBER PERFORMANCE * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes  ABOUT FIBER-LINE® LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

NOMEX® META-ARAMID DATA META-ARAMID (HM) BARE FIBER PERFORMANCE * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes ABOUT FIBER-LINE® LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

°C > 150 NOVOLOID NOVOLOID DATA Standard Modulus * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes  CHEMICAL COMPATIBILITY Chemical Resistance to Acid: Degrades in concentrated or hot Nitric and Sulfuric acid.

FIBER-LINE™ High Performance Synthetic Fibers PRODUCT SELECTION GUIDE FIBER-LINE™ HIGH PERFORMANCE SYNTHETIC FIBERS Kevlar® Para-Aramid Nomex® Meta-Aramid Vectran® LCP Zylon® PBO Carbon Fiber UHMWPE PET Polyester Fiberglass Novoloid Technora® Filament Yarn TECHNICAL PROPERTIES Standard High Modulus Standard Standard High Standard High Standard Standard High High Tenacity Low Shrink E-Glass S-Glass Standard Standard Breaking Tenacity (g/d) 23.0 23.6 5.0 23.0 30.0 42.0 42.0 23.0 28.0 38 9.3 8.4 6.0 - 7.3 6.7 - 9.4 1.5 28.0 Specific Gravity (Ratio) 1.44 1.44 1.38 1.40 1.40 1.54 1.56 1.80 0.97 0.97 1.38 1.38 2.58 2.48 1.27 1.39 Elongation at Break (%) 3.5 2.5 30.0 3.8 2.8 3.5 2.5 1.5 3.5 3.1 14.6 19.5 3.5 5.5 30.0 - 40.0 4.6 Tensile Modulus (g/d) 555 885 125 600 830 1200 1800 1480 850 1250 120 70 200–275 140–170 2.5–5.0 590 Equilibrium Moisture Regain at 55% RH (%) 5.0 5.0 4.5

Si conoces algún posible acto de corrupción o delito presenta una queja o denuncia a través de: www.sat.gob.mx, denuncias@sat.gob.mx, desde México: 01 (55) 8852 2222, desde el extranjero: 1 844 28 73 803, SAT móvil o Página [3] de [3] www.gob.mx/sfp".

In 2020, Avient closely tracked the impact of fires in Colorado on its operations (the fires did not impact direct operations. In 2020, Avient closely tracked the impact of fires in Colorado on its operations (the fires did not impact direct operations). We closely monitored the announcements by the Shenzhen EEB around impacts on the ETS from Covid-19 and complied with the regulations as needed.

CENTRALNA INFORMACJA KRAJOWEGO REJESTRU SĄDOWEGO KRAJOWY REJESTR SĄDOWY Stan na dzień 12.04.2021 godz. 13:58:52 Numer KRS: 0000108922 Informacja odpowiadająca odpisowi aktualnemu Z REJESTRU PRZEDSIĘBIORCÓW Data rejestracji w Krajowym Rejestrze Sądowym 23.04.2002 Ostatni wpis Numer wpisu 55 Data dokonania wpisu 12.04.2021 Sygnatura akt LD.XX NS-REJ.KRS/10228/21/64 Oznaczenie sądu SĄD REJONOWY DLA ŁODZI ŚRÓDMIEŚCIA W ŁODZI, XX WYDZIAŁ GOSPODARCZY KRAJOWEGO REJESTRU SĄDOWEGO Dział 1 Rubryka 1 ­ Dane podmiotu 1.Oznaczenie formy prawnej SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ 2.Numer REGON/NIP REGON: 470520600, NIP: 7320000991 3.Firma, pod którą spółka działa AVIENT COLORANTS POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ 4.Dane o wcześniejszej rejestracji RHB 3264 SĄD REJONOWY DLA ŁODZI-ŚRÓDMIEŚCIA W ŁODZI 5.Czy przedsiębiorca prowadzi działalność gospodarczą z innymi podmiotami na podstawie umowy spółki cywilnej? A NR 1434/2014, ZMIENIONO § 3 UST. 1, § 11 UST. 6, § 13 UST. 1 UMOWY SPÓŁKI, PONADTO W § 4 DODANO USTĘPY OD 36 DO 55 7 16.01.2015 R., KANCELARIA NOTARIALNA W WARSZAWIE, NOTARIUSZ TOMASZ CYGAN, REPERTORIUM A NR 1617/2015-PRZYJĘCIE NOWEGO TEKSTU UMOWY SPÓŁKI. 8 AKT NOTARIALNY Z DNIA 25.06.2015 R., REP.

Patterson added, “We remain on track with our timeline for the acquisition and expect to close in September, subject to the satisfaction of customary closing conditions. Three Months Ended June 30, 2022 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income attributable to Avient shareholders $ 84.7 $ 0.92 $ 68.8 $ 0.74 Special items, after tax (Attachment 3) 5.1 0.06 11.7 0.13 Adjusted net income / EPS - excluding special items $ 89.8 $ 0.98 $ 80.5 $ 0.87 Six months ended June 30, 2022 Six months ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income attributable to Avient shareholders $ 168.9 $ 1.83 $ 148.1 $ 1.60 Special items, after tax (Attachment 3) 12.3 0.13 14.3 0.16 Adjusted net income / EPS - excluding special items $ 181.2 $ 1.96 $ 162.4 $ 1.76 7 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Sales $ 1,302.4 $ 1,235.2 $ 2,596.2 $ 2,397.5 Cost of sales 998.6 946.5 1,998.7 1,806.4 Gross margin 303.8 288.7 597.5 591.1 Selling and administrative expense 174.3 180.6 339.4 362.6 Operating income 129.5 108.1 258.1 228.5 Interest expense, net (16.2) (19.5) (33.1) (38.8) Other income, net 1.4 1.2 0.8 2.7 Income before income taxes 114.7 89.8 225.8 192.4 Income tax expense (30.0) (20.4) (56.6) (43.3) Net income 84.7 69.4 169.2 149.1 Net income attributable to noncontrolling interests — (0.6) (0.3) (1.0) Net income attributable to Avient shareholders $ 84.7 $ 68.8 $ 168.9 $ 148.1 Earnings per share attributable to Avient common shareholders - Basic $ 0.93 $ 0.75 $ 1.85 $ 1.62 Earnings per share attributable to Avient common shareholders - Diluted $ 0.92 $ 0.74 $ 1.83 $ 1.60 Cash dividends declared per share of common stock $ 0.2375 $ 0.2125 $ 0.4750 $ 0.4250 Weighted-average shares used to compute earnings per common share: Basic 91.4 91.3 91.4 91.3 Diluted 92.1 92.4 92.2 92.3 8 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Cost of sales: Restructuring costs, including accelerated depreciation and amortization $ (2.6) $ (1.5) $ (7.0) $ (3.3) Environmental remediation costs (3.0) (12.5) (5.0) (13.0) Reimbursement of previously incurred environmental costs 7.6 — 8.2 4.5 Acquisition related costs — 1.4 — 1.4 Impact on cost of sales 2.0 (12.6) (3.8) (10.4) Selling and administrative expense: Restructuring, legal and other (4.2) (0.4) (3.3) (1.7) Acquisition related costs (2.1) (1.2) (5.0) (4.5) Impact on selling and administrative expense (6.3) (1.6) (8.3) (6.2) Impact on operating income (4.3) (14.2) (12.1) (16.6) Other income, net — — 0.1 — Mark-to-market on cross-currency swaps 0.9 — 0.9 — Impact on income before income taxes (3.4) (14.2) (11.1) (16.6) Income tax benefit on above special items 0.8 3.4 2.8 4.3 Tax adjustments(2) (2.5) (0.9) (4.0) (2.0) Impact of special items on net income attributable to Avient Shareholders $ (5.1) $ (11.7) $ (12.3) $ (14.3) Diluted earnings per common share impact $ (0.06) $ (0.13) $ (0.13) $ (0.16) Weighted average shares used to compute adjusted earnings per share: Diluted 92.1 92.4 92.2 92.3 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results