MORADO 0270-5-1 V3 PANTONE 150-5-1 PANTONE 0330-4-1

SISA ORANGE-1 ERZE ORANGE-1 GALAXY AMBER-1

X HC-451651A-1 X HC-450291A-1 X HC-44981-1A-1

GREY Q160-1-3 CO-PET ROJO T085-2-1 (V3) RED Q200-2-1 CO-PET

X LB 34066-1B-1-0 X LB 34066-1B-1-2 X LB 34066-1B-1-4

Avient’s Oxyloop-1 grade has earned the endorsement of the European Platform for Bottle Packaging (EPBP) for bottle-to-bottle recyclability for the colored recycled stream. We are thrilled to introduce the ColorMatrix Amosorb Oxyloop-1 grade to the market," said Dr. ColorMatrix Amosorb Oxyloop-1 additive meets direct food contact regulatory requirements in major markets, providing peace of mind to both manufacturers and consumers.

X GT-18029-1-1 X GT-18029-1-1 X GT-18029-1-3

LIQUID COLOR PINK 483-30550-1 LIQUID COLOR GREEN 484-20119-1 LIQUID COLOR BLUE 485-33122-1

Friday, August 1, 2025 Friday, August 1, 2025 Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

To participate in the audio-only portion of the call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 3293155, as previously announced. Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com, or Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com