EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office. MC-17563AB ROYAL BLUE 45/25/0/0 EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office.

EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office. OP 0 BAYBLEND FR110 500208 OP 0 BAYBLEND FR110 508376

Available in non-PFAS* formulations to achieve a UL 94 V-0 flame rating at 1.5 mm V-0 V-0

EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office. DB4088B NEUTRAL (SM1292-0) DB4093B NEUTRAL (SM1256-0)

EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office. MC-35167AB BABY PINK 0/15/5/0 EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office.

EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office. W/0 UV ACORN BROWN W/0 UV CHESTNUT

Telephone:+86(0)550-331 1200 Telephone:+86(0)519-8885 7566 Fax:+86(0)519-8885 7566 Telephone:+86 (0) 21 6028 4888 Fax:+86 (0) 21 6028 4999

Standard formulations conforming to UL 94 V-2, V-0 and 5VA performance ratings are available, with many in the portfolio offering elevated Relative Thermal Index (RTI) ratings. UL 94 V-2, V-0, 5VA ratings and elevated RTI ratings Non-halogen, UL94 V-2, and V-0 rated formulations

AVIENT CORPORATION (NYSE: AVNT) N O V E M B E R 2 0 2 0 DISCLAIMER 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. Leverage is calculated as Total Debt – Cash / EBITDA 2. 2020 Pro forma for the acquisition of the Clariant Masterbatch business Source: Bloomberg market data as of November 9, 2020 Median: 3.0x (2 ) Avient Specialty Formulators Other Chemical/Specialty Companies 2.9x 2.5x 0.4x 1.7x 1.7x 2.6x 3.1x 4.3x -0.2x 1.9x 2.2x 2.2x 2.3x 2.5x 2.7x 3.0x 3.3x 3.5x 3.7x 3.8x 4.3x 4.4x 5.8x A v ie n t (2 0 P F ) A v ie n t (2 1 E ) G C P P P G A V Y R P M K W R F U L S C L B N R F M C C E E C L A S H H U N E M N G R A IF F A L B U N V R H X L F O E K R A Median: 2.1x THE CURRENT AVIENT VALUATION DISCONNECT 20 Our transformation and business model are still being understood, and as a result, we are currently trading at a discount to peer companies Our financial metrics are consistent with specialty formulator peers, yet our EBITDA multiple is at a 4.1x discount to peer companies Ongoing synergy capture is another value creation lever that is unique to Avient This creates a compelling investment opportunity Total Enterprise Value / 2021E EBITDA (1) Our current valuation implies an EBITDA multiple that is significantly below specialty formulator peers and our historic valuations, when the company had considerable exposure to more cyclical and challenging end markets. SEGMENT HIGHLIGHTS Packaging 37% Consumer 22% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 6% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $320 2005 2020PF 2.0% 15.9% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business US & Canada 32% Europe 39% Asia 23% Latin America 6% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 24 $5 $120 2005 2020E US & Canada 59% Europe 23% Asia 18% Consumer 23% Healthcare 10% Packaging 6% Wire & Cable(1) 25% Electrical & Electronics 14% Industrial 10% Transportation 10% Building & Construction 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2020E REVENUE | $700 MILLION 0.9% 17.1% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling Healthcare 30% Consumer 24%Packaging 3% Industrial 19% Transportation 15% Electrical & Electronics 4% Building & Construction 4% Wire & Cable 1% US & Canada 79% Asia 2% Latin America 19% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION DISTRIBUTION 2020E REVENUE | $ 1 .1 BILLION $20 $70 2005 2020E 2.9% 6.3% KEY SUPPL IER S 26 AMERICAS EUROPE ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 35% Consumer 14%Healthcare 6% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 26% Healthcare 12% Industrial 7% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

ThermoBallistic™ thermoplastic panels are thermally formed with layers of 0°/90° unidirectional E-glass fiber reinforcements with polyolefin-based resin systems. 0.44-0 in 11.2 mm