The non-GAAP financial measures include: adjusted EPS, pro forma adjusted EPS, adjusted operating income, adjusted EBITDA, return on invested capital (ROIC) and free cash flow. Pro forma adjusted EPS is defined as adjusted EPS pro forma for the proposed acquisitions excluding the impact of the step-up of depreciation and amortization related to purchase accounting. Sources Cash from Balance Sheet $465 New Senior Unsecured Notes 650 New Equity 450 Total Sources $1,565 Uses Clariant Masterbatch $1,500 Clariant India Masterbatch 60 Less: Lease Adjustment (113) Net Purchase Price $1,447 Net Cash Acquired 57 Fees, Expenses & OID 61 Total Uses $1,565 ($ Millions) Cash and Cash Equivalents $370 $450M Senior Secured ABL Revolver - Senior Secured Term Loan B due 2026 624 Other Debt 25 Total Senior Secured Debt $649 5.25% Senior Unsecured Notes due 2023 $600 New Senior Unsecured Notes 650 Total Senior Debt $1,899 Net Debt $1,529 New Equity $450 Pro Forma Capitalization (1) PF 12/31/2019 $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Summary Terms on New Debt  $465 million of cash from the balance sheet expected to fund a portion of the purchase price  Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo  Permanent financing expected to include a combination of long-term debt and new equity  The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions  PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies  Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy  New financing expected to have same or better covenant package than existing capital structure  Capital structure would be “covenant lite” Capital Policy  Transaction in line with PolyOne’s disciplined capital allocation policy  Existing PolyOne dividend policy to be maintained  Focus on deleveraging in the near term 2028+ PolyOne Corporation 26 PolyOne Corporation 27 T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS PolyOne Corporation 28 PolyOne Corporation 29

S1302CP COTTON PRO BURNT ORANGE TPE-S K 45A NATURAL

GEON D90B0 NATURAL 0000 S1500CP COTTON PRO PURPLE

COMPANIES ACT 2016 AVIENT SINGAPORE PTE LTD TEL : 03-2299 4400 FAX : 03-2299 4411 MENARA SSM@SENTRAL, NO.7, JALAN STESEN SENTRAL 5, KUALA LUMPUR SENTRAL, 50470 KUALA LUMPUR.

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for the entirety of 2020.

PRO RED CSPN 19853GNS PRO MATCH BLACK

SEARS PRO RED 2 ABS SEARS PRO RED 2 ABS

STAN-TONE HCC-35932 PRO VALLIS RED STAN-TONE HCC-35934 PRO OAK

GLS International, Rilland, Netherlands GLS Corporation, 833 Ridgeview Drive, McHenry, IL 60050 Tel: 815-385-8500 Fax: 815-385-8533 email: info@glscorp.com Web: www.glscorp.com BIOGRAPHICAL NOTE John Simons is currently employed by GLS International Inc. as Business Manager Europe. Polarity of the substrate dictates the chemical nature of the thermoplastic elastomer and hence the properties and the performance of the thermoplastic elastomer. The bonding characteristics of TPE-2 materials to all the substrates were adhesive in nature.

STAN-TONE HCC-35943 PRO SANDSTONE GEON 87736 NATURAL 0000