Art. 23 N° 1 D.L. 825 Ley de IVA.

Certificate Number: 255 ISO2P Date First Registered: 03/04/2023 Issued on: 11/04/2023 Valid until: 10/04/2026 Awarded to AVIENT PAKISTAN (PVT) LTD 1A/1, Sector#20, Korangi Industrial Area, Sector 20 Karachi, Pakistan In recognition of the Organization´s Food Safety Management System which complies with : ISO 22000:2018 Food Category : I For the scope of activities described below: Manufacturing & Processing of Polymer Resins & Master batch F-3/22/ A 100 Issue date : 06/2022 Version:03 It is mandatory to carry out the surveillance audit on its time.

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.

CONTACT INFORMATION Polymer Diagnostics Inc. 33587 Walker Road Avon Lake, Ohio 44012 United States +1 800 438 2335 +1 440 930 1644 fax Polymer Diagnostics Inc. is a contract laboratory with accreditation to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for both chemical and mechanical capacities. Americas U.S. – Avon Lake, Ohio + 1 800 438 2335 Asset No. 76593C M Y K PDICaseStudy.indd REMAY 76593 trim: 8.5in x 11in and 8.25in x 11.6875in bleed: 8.75in x 11.9375in Digital/IAM

Trilliant™ HC high performance formulations were developed for specific healthcare enclosure needs, including: • Chemical resistance to common disinfectants • UL 94 ratings of 5VA at 3.0, V-0 at 1.5 mm & V-1 at 0.75 mm • Retained color aesthetics after chemical exposure • Ability to utilize existing PC/PET & COPE tooling Tested using an adaptation from ASTM D543 for environmental stress cracking resistance (ESCR), 15 bars of each material were placed into jigs at 1% and 2% strain. This procedure was completed by placing one 1/2 inch section of rayon gauze at the apex of each bar, and soaking the gauze with the disinfectant to saturate the material.

Microsoft PowerPoint - PolyOne Investor Presentation 5.4.20_v8 P E O P LE P RO D U CT S P LA N E T P E RF O R MAN C E JVs Performance Products & Solutions Distribution Specialty To be the world’s premier provider of specialized polymer materials, services and solutions To be the world’s premier provider of specialized polymer materials, services and sustainable solutions 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth PolyOne Corporation 33 Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders Joint venture equity earnings, after tax Special items, before tax(1) Special items, tax adjustments(1) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 (19.0) (14.7) (3.7) — — — — — — — — — — — (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S). Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three MonthsEnded March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax(1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results.

If exposed to cold temperatures, it is recommended that the container of plastisol be stored at room temperature for 1–2 days before the plastisol is used. The frequency of the need for re-mixing will typically vary between 1 week and 1 month.

KEY CHARACTERISTICS • Faster processing speeds (up to 1,000 m/min) at low wall thickness (100 µm) • Increased chemical resistance • Lower gel migration • ECCOH 6153 UV - optimized for Teroson • ECCOH 6154 UV - optimized for Unigel • High color rendition and compatibility with Avient masterbatch • High UV resistance • Very low shrinkage MARKET & APPLICATIONS Optical Fiber Cables including: • Stranded loose tubes – gel-filled/dry • Micro-modules • Tight buffer applications – gel-filled/dry STANDARD COMPLIANCE • IEC 60794 • NF XP C93-850-1-1:2020 • EN 50289-4-17:2016 • ISO 4892:2016 • ST/CNET/5843 (1998) PRODUCT BULLETIN GEL MIGRATION PERFORMANCE ECCOH LSFOH 6153/6154 UV grades offer greater gel migration performance compared to alternative ECCOH grades. Gel migration is measured using a quantitative internal method * 6151 can be supplied with UV protection * Values concluded from the simulation of materials rheological data and modelling standard extrusion tooling Pressure: can affect extruder performance, higher pressure gives a lower output at the same rpm Shear rate: has a relation with self-cleaning of the walls and mixing conditions Stress: can affect the surface of the product, less stress gives a better surface aspect MIGRATION OF GEL COMPOUND Gel Compound ECCOH™ 6151* ECCOH™ 6153 UV ECCOH™ 6154 UV Unigel Average Good Excellent Teroson Average Excellent Good Itcogel Average Good Excellent ECCOH™ 6151 ECCOH™ 6153 UV ECCOH™ 6154 UV ∆P (bars) 101 63 60 Shear Rate (1/s) 9 9 9 Stress (kPa) 127 79 75 Application example: Gel-filled stranded loose tube optical fiber cable www.avient.com Copyright © 2020, Avient Corporation.

Bob Patterson Chairman, President, and CEO August 1, 2020 ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. Bob Patterson Chairman, President, and CEO August 1, 2020 SAFETY & HEALTH POLICY Avient Corporation believes safety and health are the highest corporate priority. Bob Patterson Chairman, President, and CEO August 1, 2020 Product Stewardship Policy Product Stewardship plays a significant role in Avient’s sustainable and ethical business practices.

Reference Product Name Carrier CC10087477BG 87477 EVA Anti-Rat Masterbatch EVA CC10107079BG 107079 EVA Anti-Termite Masterbatch EVA CC10125842BG 5842 EVA Multi-Repel Masterbatch EVA VALUE SOLUTION The European Union adopted Guidelines in 2015 establishing that masterbatches with biocidal function needed to be authorized for use in European Union.1 As such, masterbatch products containing aversive or repellent substances are considered as a biocidal product.2 Indeed, deterring harmful organisms is a biocidal function. TECHNOLOGY BENEFITS • Helps provide long term cable protection against rats and termites • Enables manufacturers and cable users to be compliant with EU Regulations • Easy to use, direct incorporation in the jacket, no need for additional layer to protect the cable • Helps avoid unplanned service breakdowns with associated high repair costs 1 CA-Sept15-Doc.6.2- Final 2 A masterbatch should be regarded as a biocidal product if it is has a biocidal function. In accordance with Article 3(1)(a) of Regulation (EU) No 528/2012, destroying, deterring, rendering harmless, preventing the action of, or otherwise exerting a controlling effect on any harmful organism is a biocidal function.