Avient Corporation ประกาศความเป็นส่วนตวัสําหรบัผูส้มคัรงาน เรายนิดทีีคุ่ณสนใจในการทํางานกบั Avient Avient Corporation และบรษิทัในเครอื (เรยีกรวมกนัว่า “Avient” “เรา” “พวกเรา” หรอื “ของเรา”) มุ่งมั่นทีจ่ะปกป้องความเป็นส่วนตวัและขอ้มูลส่วนบุคคลทีร่วบรวมจากผูส้มคัรงานผ่านขัน้ตอนการสมคัรงานทางออนไลนแ์ละชอ่งท างอืน่ ๆ ประกาศความเป็นส่วนตวัสําหรบัผูส้มคัรงานนี ้(“ประกาศ”) ระบุวธิทีี ่Avient รวบรวม ใช ้ หรอืเปิดเผยขอ้มูลส่วนบุคคลจากผูส้มคัรงานและผูส้มคัร (เรยีกรวมกนัว่า “คุณ”) เมือ่คุณเขา้ถงึหรอืใชเ้ว็บไซตห์างานของเรา รวมถงึ https://avient.referrals.selectminds.com/ (“เว็บไซต”์) ประกาศฉบบันีไ้ม่ครอบคลุมถงึการใชบ้รกิารของ Avient ในฐานะผูบ้รโิภคหรอืการใชเ้ว็บไซตแ์ละแอปพลเิคชนัของบุคคลทีส่ามใด ๆ ทีคุ่ณอาจม ี รวมถงึเว็บไซตใ์ดทีเ่ช ือ่มโยงไปยงัเว็บไซตข์องเรา สําหรบัขอ้มูลเพิม่เตมิเกีย่วกบัวธิทีี ่Avient ประมวลผลขอ้มูลส่วนบุคคลของคุณสําหรบับรกิารเหล่านีแ้ละเว็บไซตข์องบุคคลทีส่าม โปรดเยีย่มชมคําแถลงความเป็นส่วนตวัของ Avient Corporation ซึง่มอียู่ที ่https://www.avient.com/company/policies-and-governance/avient- corporation-privacy-statement) กอ่นทีคุ่ณจะดําเนินการสมคัรต่อไป เราตอ้งการทีจ่ะแจง้ใหคุ้ณทราบสัน้ ๆ เกีย่วกบัวธิกีารทีเ่ราประมวลผลและปกป้องขอ้มูลส่วนบุคคลของคุณ โปรดอ่านประกาศฉบบันีอ้ย่างละเอยีดถีถ่ว้น โดยการส่งใบสมคัร เรซเูม่และ/หรอื CV ของคุณโดยใชเ้ครือ่งมอืการสมคัรออนไลนข์องเรา ขอ้มูลส่วนบุคคลของคุณจะไดร้บัการจดัการและปกป้องตามประกาศฉบบันี ้ เมือ่คุณไดส้่งใบสมคัรของคุณแลว้ คุณอาจจะเพิม่ขอ้มูลของคุณไปยงัคลงัผูส้มคัรทัว่โลกของเราได ้การทําเชน่นีจ้ะชว่ยให ้Avient สามารถแจง้ใหคุ้ณทราบถงึตําแหน่งทีน่่าสนใจอืน่ ๆ ทีคุ่ณอาจมคีุณสมบตัเิหมาะสม หากคุณมคีําถามใด ๆ เกีย่วกบัขอ้มูลส่วนบุคคลของคุณหรอืตอ้งการตดิต่อเราดว้ยเหตุผลอืน่ใด โปรดใชข้อ้มูลการตดิต่อทีใ่หไ้วด้า้นล่าง หน่วยงาน Avient ในพืน้ทีข่องเขตอํานาจศาลทีคุ่ณสมคัรงานจะทําหนา้ทีเ่ป็นผูค้วบคุมขอ้มูลเกีย่วกบัขอ้มูลส่วนบุคคลของคุณ 1. ตดิต่อเรา หากคุณมคีําถามใด ๆ หรอืตอ้งการใชส้ทิธิข์องคุณ คุณสามารถตดิต่อเราไดท้ี:่ The Corporate Privacy Officer Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 อเีมล: PRIVACY.OFFICER@AVIENT.COM โทรศพัท:์ 1-800-901-2078 คุณยงัสามารถส่งคําถามหรอืคําขอเกีย่วกบัความเป็นส่วนตวัของคุณผ่านแบบฟอรม์ออนไลนไ์ด ้ สามารถตดิต่อเจา้หนา้ทีด่า้นการคุม้ครองขอ้มูลของ Avient ไดท้ี ่PRIVACY.OFFICER@AVIENT.COM ** สําหรบัผูส้มคัรในเปรู ขอ้มูลส่วนบุคคลจะไดร้บัการเก็บไวใ้นคลงัฐานขอ้มูล "[avient.taleo.net]" ซึง่ลงทะเบยีนใน National Personal Data Protection Registry ดว้ยรหสั RNPDP-PJP Nº [*]" วนัทีม่ผีลบงัคบัใช:้ 1 สงิหาคม 2020 mailto:PRIVACY.OFFICER@AVIENT.COM https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb mailto:PRIVACY.OFFICER@AVIENT.COM

The resulting tensile test data shown in Figure 1 gives an indication of the variation in material response that can be observed as a function of the fibre orientations. In reality, the material response can fall anywhere between the curves shown in Figure 1. Figure 1: Tensile test data as a function of the fibre orientation 0° (orange), 45° (green), 90° (blue) https://www.hexagonmi.com Figure 4: Failure location in the flexural test for the isotropic modelling Figure 6: Failure location in the tensile test for the isotropic modelling approach (left), Digimat anisotropic modelling approach (middle) and reality (right) Figure 3: Flexural test results with the isotropic modelling approach (orange) and Digimat anisotropic modelling approach (green) Figure 5: Tensile test results with the isotropic modelling approach (orange) and Digimat anisotropic modelling approach (green) Figure 5 shows the tensile test results with, again, a convincing advantage for the Digimat anisotropic modelling approach against the isotropic modelling approach.

MARINE PLYWOOD Hammerhead™ panels are three times lighter than marine plywood MOISTURE ABSORPTION % weight change due to water absorption for selected composites and marine plywood 10000 60000 110000 160000 210000 260000 310000 360000 0.5 0.75 1 1.25 1.5 F le x u ra l R ig id it y - lb / in 2 Panel Thickness - in Hammerhead™ 5.3lb/in^3 Core Density Hammerhead™ 8.4lb/in^3 Core Density Plywood — Hammerhead™ 5.3 lb/ft3 Core Density — Hammerhead™ 8.4 lb/ft3 Core Density — Marine Plywood 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0 10 20 30 40 50 60 70 80 90 100 % W e ig h t C h a n g e Immersion Time - Days .50" Hammerhead™ .75" Hammerhead™ 1" Hammerhead™ 1.50" Hammerhead™ .50" marine plywood .75" marine plywood 1" marine plywood Fl ex ur al R ig id ity - lb -in 2 INSTALLATION INSTRUCTIONS CUTTING & DRILLING Recommended blade: Industrial fine cut-off saw blade, 10" x 80 teeth 38° ATB grind with 5/8" bore, PTFE coating Recommended router bits: 3/8" diameter, 4 flute TiAlN (titanium aluminum nitride) coated carbide bit FORMING Apply localized 400˚F heat at a length proportional to the panel thickness (see equation below) and bend to shape. Heat Length = π 2 * Thickness Radius = S B S T = 400°F B S GL AS S/ EP OX Y TA B M AT ER IA L TAB TESTING OF VARIOUS INSTALLATION METHODS Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate BOTTOM PANEL LEG LENGTH BREAK STRENGTH (LBS) PETG Skins with Plywood Core 1 in 1.5 in 2 in 2400 2820 2748 Hammerhead™ with 5.3 lb/ft3 Core Density 2 in 665 Hammerhead™ with 8.4 lb/ft3 Core Density 2 in 1084 Marine Plywood 2 in 770 Glass/Epoxy with Plywood Core 2 in 1055 Glass/Polyester with Balsa Core 2 in 919 L-Bracket Installation Hammerhead™ PETG Laminate Hammerhead™ PETG Laminate BOTTOM PANEL LEG LENGTH BREAK STRENGTH (LBS) PETG Skins with Plywood Core 2 in 2375 Marine Plywood 2 in 770 Glass/Polyester with Balsa Core 2 in 797 U-Channel Installation N O T AB BOTTOM PANEL LEG LENGTH BREAK STRENGTH (LBS) Hammerhead™ with 5.3 lb/ft3 Core Density 2 in 420 Hammerhead™ with 8.4 lb/ft3 Core Density 2 in 332 Marine Plywood 2 in 984 Glass/Polyester with Balsa Core 2 in 1298 Hammerhead™ with 5.3 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 501 Hammerhead™ with 8.4 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 1156 Hammerhead™ with 8.4 lb/ft3 Core Density - Crestomer 1152PA Adhesive NA 1530 Hammerhead™ with 8.4 lb/in3 Core Density - Crestomer M1-30 Adhesive NA 1471 Mixed Conditions ITW Plexus MA420 adhesive was used in all tab testing installations except where noted. BOTTOM PANEL LEG LENGTH BREAK STRENGTH (LBS) Hammerhead™ with 5.3 lb/ft3 Core Density 2 in 420 Hammerhead™ with 8.4 lb/ft3 Core Density 2 in 332 Marine Plywood 2 in 984 Glass/Polyester with Balsa Core 2 in 1298 Hammerhead™ with 5.3 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 501 Hammerhead™ with 8.4 lb/ft3 Core Density - ITW Plexus MA420 Adhesive NA 1156 Hammerhead™ with 8.4 lb/ft3 Core Density - Crestomer 1152PA Adhesive NA 1530 Hammerhead™ with 8.4 lb/in3 Core Density - Crestomer M1-30 Adhesive NA 1471 ADHESIVE DESCRIPTION ADHESIVE GRADE MANUFACTURER AVERAGE BOND STRENGTH (PSI) STANDARD DEVIATION FAILURE MODE BEST ADHESION 2k Urethane 75421 Lord 2281 184 Substrate Cohesive 2k Acrylic SA1-705 GRY1 AccraLock 2211 78 Substrate 2k Acrylic Plexus MA420 ITW 2171 262 Substrate 2k Acrylic SA10-05 Blk1 AccraLock 2102 138 Substrate 2k Urethane 75451 Lord 2047 68 Cohesive 2k Acrylic SA1-705 GRY 1:2 AccraLock 1966 68 Substrate 2k Acrylic Scotchweld 8010 3M 1907 61 Adhesive Cyanoacrylate Gorilla Glue Gorilla Glue 1885 432 Cohesive 2k Acrylic Crestabond PP-04 Scott Bader 1873 281 Substrate 2k Acrylic SA10-05 Blk 10:2 AccraLock 1779 127 Cohesive 2k Urethane 75422 Lord 1716 190 Cohesive Adhesive 2k Urethane 75452 Lord 1535 98 Adhesive 2k Methacrylate Polyfuse Icon Containment 1610 98 Adhesive INTERMEDIATE ADHESION 2k Acrylic FA10-05 Blk C010817 AccraLock 724 58 Cohesive 2k Acrylic FA10-05 Blk1 AccraLock 722 44 Cohesive 2k Epoxy Loctite Epoxy Instant Mix Loctite 508 81 Adhesive 2k Epoxy Gorilla Glue Epoxy Gorilla Glue 341 198 Adhesive NOT RECOMMENDED 2k Epoxy Loctite Epoxy Marine Loctite 0 0 No bond ADHESIVE SELECTION Brands identified are owned by the manufacturers of the adhesive products. 1 surface sanded with 220 grit scuff prep 2 surface primed with 459T FASTENER TYPE BENEFITS CONSIDERATIONS Through-Bolting Best mechanical locking system Need back side access to panel Screw-In Anchor Highest pullout strength Requires pilot hole Cup Washer Spreads compressive load Requires relief hole; For substructure and hard point attachment Wide Grip (Bulb-Style) Rivet Ease of use—no installation torque limitations For lower load attachments Sheet Metal or Wood Screw Readily available, low cost Penetrate both skins for improved pullout Shoulder Washer Limits compressive load Requires relief hole; For substructure and hard point attachment For more information on installation, adhesives, and fasteners for specific applications, please contact Avient.

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/...

Certificate number: 24 EN 47 Valid from 1 February 2024 to 31 January 2027 Further clarifications regarding the scope of this certificate and the applicability of EN ISO 50001 : 2018 requirements may be obtained by consulting the organization. This certificate is granted during the Certification Commission of 1 February 2024 and is subject to the General Regulations of VINÇOTTE nv.

View PDF The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned. 70 01 _1 /A pr il 20 22 /V er si on 2 .0 Certificate Avient Colorants Germany GmbH Kornkamp 50 22926 Ahrensburg Germany Scope Production of Color- and Additives Concentrates, Compounds and Foaming Agents Normative base ISO 50001:2018 Energy Management System Reg. no. 46090 Page 1 of 1 Validity 20. 01. 2024 – 19. 01. 2027 Issue 20. 01. 2024 A.Grisard, President SQS F.

View PDF The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned. 70 01 _1 /A pr il 20 22 /V er si on 2 .0 Certificate Avient Colorants Singapore Pte Ltd 8 Third Chin Bee Road Jurong Industrial Estate 618684 Singapore Singapore Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems - Requirements for any organization in the food chain Reg. no. 46390 Page 1 of 1 Validity 25. 02. 2024 – 24. 02. 2027 Issue 25. 02. 2024 A.Grisard, President SQS F.

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. PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Appliances 5% Building & Construction 12% Consumer 10% Electrical & Electronics 5% Healthcare 11% Industrial 14% Packaging 14% Transportation 20% Wire & Cable 9% Distribution 28% PP&S 20% Specialty 52% United States 69% Europe 13% Canada 7% Asia 6% Latin America 5% 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 Adjusted EPS PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $183M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy Specialization Globalization Operational Excellence Commercial Excellence Driven by our core values of Collaboration, Innovation and Excellence, we are the world’s premier provider of specialized polymer materials, services and solutions PolyOne Corporation Page 8 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.1% 20%+ Designed Structures & Solutions 1.4% (2012) 3.5% 12 – 14% Performance Products & Solutions 5.5% 8.1% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 80%+ 3) ROIC 5.0% 11.9% 15% 4) Adjusted EPS Growth N/A 24 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 9 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $52 2006 TTM Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 TTM Specialty Platform Gross Margin % 12% 43% 2006 TTM Specialty Vitality Index Target ≥ 35% TTM 9/30/15 TTM 9/30/15 TTM 9/30/15 PolyOne Corporation Page 10 Innovation Pipeline Potential Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 12 4 9 6 1 6 3 7 4 5 6 1 1 7 2 Breakthrough Platform Derivative Number of Projects 12 10 23 19 10 74 Specialty Addressable Market ($ millions) - - $1,150 $1,000 $250 $2,400 PolyOne Corporation Page 11 Lightweighting with Advanced Composites Increasing Healthcare Penetration Innovation Initiatives Expansion in Consumer Markets New Market Development $$$ $$ $ High Temperature Polymers PolyOne Corporation Page 12 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 13 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers • Supporting customers who lack their own formal process improvement initiatives  Providing training in Customer Centric Selling Skills with customers’ sales force PolyOne Corporation Page 14 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q3 2015 Pension Funding** As of September 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.1x $49 $121 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of September 30, 2015 ($ millions) Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.49% as of 9/30/15 **TTM 9/30/2015 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 2.4 million shares in Q3 2015  Repurchased 14.8 million shares since early 2013  5.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 16 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? 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.

% ASTM D570 0.8 – 0.050–1.0 0.3 0.4 0.4 0.050 – 0.050 – – – Mechanical Properties Tensile Modulus(1) MPa ASTM D638 2650 9650 9790 8050 7380 1250 965 1770 2420 8620 4140 – Tensile Strength(1) (Yield) MPa ASTM D638 61.4 119 122 119 94 47 35 40 45 108 72.4 90 Tensile Elongation(1) (Break) % ASTM D638 3.0–5.0 1.0–3.0 1.5 3 2 35 40 30 26 3 – – Flexural Modulus MPa ASTM D790 2760 6890 6890 7380 6410 1300 1080 1740 1790 6690 4840 5500 Flexural Strength MPa ASTM D790 108 172 214 182 167 55 41.4 62.7 68.3 165 110 130 Coefficient of Friction ASTM D1894 vs. Steel – Static 0.25 0.46 0.18 0.15 0.12 0.19 0.11 0.14 0.13 0.24 0.17 0.17 Impact Notched Izod Impact (23°C, 3.18 mm, Injection Molded) J/m ASTM D256A 41 64(6) 110 107 107 70 80 37 37 75 – 69 Thermal Properties Heat Deflection Temperature ASTM D648 0.45 MPa °C 215(6) – 250 215 216 184 152 151(6) 153(6) 218(6) – – 1.8 MPa °C 65(6) 239(7) 244(6) 210 210 75 94 81.1(6) 88 197(6) – 135(5) Electrical Properties Surface Resistivity ohms/sq ASTM D254 – – – 1.30x1012 1.9x1012 5.2x1012 – – – – – 1.0x109 Dielectric Strength (Short Time) kV/mm – – 8.5 – – – – – – – – – Flammability Flame Rating Class UL 94 HB – – HB HB HB – HB – – – – LubriOne™ Internally Lubricated Formulations NOTES (1) Type I, 5.1mm/min (2) Type I, 21.3 mm/min (3) Type I, 50 mm/min (4) Type I, 5.1mm/min, Break (5) 3.2 mm thick, Unannealed (6) 6.35 mm thick, Unannealed (7) 3.2 mm thick, Annealed PRODUCT DESCRIPTION UNITS TEST METHOD LB6000- 5024 RS HI Natural LB6000- 5021 RS S1 Black LB6000- 5021 RS X2 Black LB6000- 5019 X1 Black LB6700- 5001 RS AF Black NN- 000/01M Black SO REC LB6600- 5030 RS Grey LB3300- 5010 RS Natural LB3300- 5005 RS Natural REC LB3220- 5001 RS C Natural X1 LB8900- 5010 GP Grey LB8900- 5006 RS PE Natural LB8900- 5004 RS PE Natural LB4200- 5022 Black LB4200- 5023 Natural Base Polymer PA 6 PA6/PA66 PA66 PBT PC PKE POM Lubricant UHMWPE1 UHMWPE UHMWPE UHMWPE UHMWPE MoS22 Graphite UHMWPE UHMWPE UHMWPE Graphite UHMWPE UHMWPE MoS2 UHMWPE Filler type GF10 GF30 GF30 GF50 GF50 Unfilled GF33 GF20 MI20 GF10 Unfilled GF20 GF30 Unfilled Unfilled General Properties Specific Gravity g/cm3 ISO 1183 1.18 1.35 1.39 1.55 1.58 1.14 1.44 1.42 1.46 1.23 1.26 1.34 1.43 1.4 1.35 Mechanical Properties Tensile Modulus (23°C) MPa ISO 527-1 4250 9500 9000 15500 16600 3500 10600 6300 3330 4000 1630 5300 9250 2470 2150 Tensile Strength (Yield, 23°C) MPa ISO-527-2 97 150 160 205 200 85 164 102 55 60 60 108 99.1 55 50 Tensile Elongation (Break, 23°C) % ISO-527-2 12 2.5 3 2.7 2.4 3.4 2.0 4.2 8 2.5 46 3.7 1.5 11 11 Flexural Strength (23°C) MPa ISO 178 103 – – 285 265 108 215 127 78 85 38 155 117 73 68 Flexural Modulus (23°C) MPa ISO 178 3250 – – 12400 11100 2690 9000 4700 3000 3100 1380 4600 5450 2210 2070 Impact Charpy Notched Impact Strength (23°C, Injection Molded) kJ/m^2 ISO 179 14 12 10 15 10 3 6 7.7 4.3 12 15 10 7.6 8 5 Charpy Unnotched Impact Strength (23°C, Injection Molded) kJ/m^2 ISO 179 82 55 61 75 60 65 50 47 69 - NB 63 36 NB NB Thermal Properties Deflection Temperature Under Load 1.8 Mpa, Unannealed °C ISO 75-2/A 107 – – 204 – 73 235 – – – 90 210 204 86 80 Cofficient of Friction (CoF) & Wear Rate CoF vs.

The company noted that GAAP EPS includes $0.24 of special items (see Attachment 3) and $0.16 of intangible amortization expense (see Attachment 1). You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2023 2022 Sales $ 845.7 $ 892.2 Operating Income 57.1 102.2 Net income from continuing operations attributable to Avient shareholders 20.8 64.4 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.23 $ 0.70 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.23 $ 0.70 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.