You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

MATERIAL BRIEF DESCRIPTION FR PC/ABS Flame retardant, chemical resistance, high ESCR FR PC/PET Flame retardant, impact modified, chemical resistant FR PC/PBT Skin-contact biocompatible, flame retardant, high chemical resistance FR Copolyester Flame retardant, chemical resistant, may incorporate agency-rated materials to meet USP Class VI or ISO 10993 requirements Trilliant™ HC8910 Unfilled PK blend, BPA-free, high chemical resistance, may incorporate agency-rated materials to meet USP Class VI or ISO 10993 requirements Trilliant™ HC8920 FR Non-halogenated flame retardant PK blend, BPA-free, high chemical resistance, may incorporate agency rated materials to meet USP Class VI or ISO 10993 requirements Edgetek™ ET8900 CR Unfilled PK blend, high chemical resistance Edgetek™ ET8900 HI CR High impact PK blend, high chemical resistance Edgetek™ ET8920 FR CR Non-halogenated flame retardant PK blend, high chemical resistance Table 2.

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Ensuring regulatory compliance for products such as food contact, toys or medical applications can be a complex and time consuming process.

Ensuring regulatory compliance for products such as food contact, toys or medical applications can be a complex and time consuming process.

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Such notification shall contain the details of a contact point where more information can be obtained, a description of the nature of the breach (including, where possible, categories and approximate number of data subjects and personal data records concerned), its likely consequences and the measures taken or proposed to address the breach including, where appropriate, measures to mitigate its possible adverse effects. The data importer shall inform data subjects in a transparent and easily accessible format, through individual notice or on its website, of a contact point authorised to handle complaints. The data importer shall inform data subjects in a transparent and easily accessible format, through individual notice or on its website, of a contact point authorised to handle complaints.

In addition to the other duties of a director under these Guidelines, the Chairman of the Board (if an independent director) or the Lead Director, as applicable, is responsible for coordinating the activities of the independent directors, and in that role will: 4 Chair executive sessions of the non-employee directors, as described below under the caption “Executive Sessions,” and provide feedback and perspective to the Chief Executive Officer regarding discussions at these sessions; Approve information sent to the Board; Approve meeting agendas for the Board; Approve meeting schedules to assure that there is sufficient time for discussion of all agenda items; Serve as a liaison and facilitate communications between the Chief Executive Officer and other members of the Board; Advise the Chief Executive Officer as to the quality, quantity and timeliness of the flow of information from management to the Board and regarding the effectiveness of Board meetings; Interview all Board candidates, and provide the Governance and Corporate Responsibility Committee with recommendations on each candidate; Maintain close contact with the Chair of each standing committee and assist in ensuring communications between each committee and the Board; Consider the retention of advisers and consultants who report directly to the Board; Chair Board meetings; Have the authority to call meetings of the independent directors; If requested by major shareholders, ensure that he or she is available for consultation and direct communication; and Perform various other duties as may from time to time be determined by the Board.

In addition to the other duties of a director under these Guidelines, the Chairman of the Board (if an independent director) or the 4 Lead Director, as applicable, is responsible for coordinating the activities of the independent directors, and in that role will: • Chair executive sessions of the non-employee directors, as described below under the caption “Executive Sessions,” and provide feedback and perspective to the Chief Executive Officer regarding discussions at these sessions; • Review information as appropriate prior to it being sent to the Board; • Approve meeting agendas for the Board; • Approve meeting schedules to assure that there is sufficient time for discussion of all agenda items; • Serve as a liaison and facilitate communications between the Chief Executive Officer and other members of the Board; • Advise the Chief Executive Officer as to the quality, quantity and timeliness of the flow of information from management to the Board and regarding the effectiveness of Board meetings; • Interview all Board candidates, and provide the Governance and Corporate Responsibility Committee with recommendations on each candidate; • Maintain close contact with the Chair of each standing committee and assist in ensuring communications between each committee and the Board; • Consider the retention of advisers and consultants who report directly to the Board; • Chair Board meetings; • Have the authority to call meetings of the independent directors; • If requested by major shareholders, ensure that he or she is available for consultation and direct communication; and • Perform various other duties as may from time to time be determined by the Board.

If the required resin is not listed under Avient concentrates, please contact an Avient representative to discuss more options.