Jennifer Huang Senior Manager, Marketing Communications, Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

According to conference co-chairman Bernard Powell, senior product manager for PolyOne’s distribution business, the conference will offer the medical community an opportunity to focus narrowly on the benefits of elastomers in healthcare for application areas such as medical devices, pharmaceutical packaging, drug delivery devices, prosthetics, and orthopedics. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

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. Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

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. Media contact Jennifer Huang Manager, Marketing Communications Asia PolyOne Corporation +86 21 6028 4888 jennifer.huang@avient.com

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. Media contact Sandy Wagner Marketing Communications Manager PolyOne Corporation +1 815-385-8500 sandy.wagner@avient.com

We must communicate in an open and honest manner. This includes online communications and social media. The Company encourages people to participate in community activities and charitable works of their choice in support of their communities.

For 2025 we are introducing 3 new goals—safety, water stewardship, and community engagement—furthering our commitment to enabling a sustainable world.

Consider a material system focused on protecting optical fibers while extending the life of these communication cables and simplifying deployment.

The S2P transformation is going live by phases based on regions, more information on specific dates will be communicated to suppliers via the email notifications@avient-communications.com as the date approaches. Communication How was the S2P transformation change communicated to Avient suppliers? The communication was sent to suppliers in waves, depending on each supplier region, starting on November 2022 and finalizing in May 2023 coming from the email: notifications@avient- communications.com I never received the initial communication from Avient, do I need to contact someone?

Progress toward zero recordable injuries is communicated globally. Community Service Avient offers a global benefit of Community Service hours. GRI 412: Human Rights Assessment 412–2 Employee training on human rights policies or procedures Performance—The Highest Ethical Standards Page 68 GRI 413: Local Communities 413–1 Operations with local community engagement, impact assessments, and development programs Planet—Community Service & Charitable Contributions Page 63 413–2 Operations with significant actual and potential negative impacts on local communities Planet—Community Service & Charitable Contributions Page 63 To our knowledge, Avient’s operations do not have a[n] significant actual or potential negative impact on local communities.