Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Guided by its Core Values, Sustainability Promise and No Surprises Pledge(SM), PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Guided by its Core Values, Sustainability Promise and No Surprises Pledge(SM), PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Guided by its Core Values, Sustainability Promise and No Surprises Pledge(SM), PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Guided by its Core Values, Sustainability Promise and No Surprises Pledge(SM), PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Guided by its Core Values, Sustainability Promise and No Surprises Pledge(SM), PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Avient’s customer-focused ColorNow™ digital service uses a mobile app at its core with structural enhancements around it, such as a portable light

All Rights Reserved 2025 4 Key Messages Avient is evolving to its next phase as an innovator of materials solutions to help our customers succeed, while enabling a sustainable world Our primary focus is on organic revenue growth and margin expansion ► intersect secular trends and high growth markets with our technologies ► build businesses in high growthcatalyze growth in our core markets ► hybridization Our strategy is enabled and driven by our focus on (a) portfolio prioritization, (b) amplifying innovation, (c) digital for operational excellence and growth, and (d) leadership, talent and culture for the Avient of the future Copyright © . All Rights Reserved 2025 7 Strategic approach to drive sustainable growth Avient sales growth Catalyze the core GROW BUSINESS AT GDP + 1. All Rights Reserved 2025 9 Strategic approach to drive sustainable growth GROWING AT GROWING AT 1 Core grows above macro driven by share wins and faster business development in prioritized portfolios (growth vectors) CATALYZE THE CORE 2 Portfolios in high growth markets grow faster than core – building sizeable businesses of scale rapidly BUILD NEW PLATFORMS OF SCALE ► Prioritizing ► differently ► Creating “space” ► focused front-end and back-end structures Avient sales growth Copyright © .

CORE(TM) DB5700 FISHING LURE NP CORE(TM) MB3283 CLEAR EXTRUDE NP