Media contact Peter Bredenkamp Marketing Communications Specialist PolyOne ColorMatrix +44(0)7794 006170 peter.bredenkamp@avient.com

The webcast can be viewed live at avient.com/investors, or by clicking on the webcast link here. Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and a personal PIN, which are required to access the conference call. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 6 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Sales $ 1,302.4 $ 1,235.2 $ 2,596.2 $ 2,397.5 Operating Income 129.5 108.1 258.1 228.5 Net income attributable to Avient shareholders 84.7 68.8 168.9 148.1 Basic earnings per share attributable to Avient shareholders $ 0.93 $ 0.75 $ 1.85 $ 1.62 Diluted earnings per share attributable to Avient shareholders $ 0.92 $ 0.74 $ 1.83 $ 1.60 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

More information can be found at avient.com. An expert regulatory team is on hand to assist with your compliance needs, whatever your application at avient.com. To find your nearest ColorMatrix facility, go to avient.com.

More information can be found at avient.com. An expert regulatory team is on hand to assist with your compliance needs, whatever your application at avient.com. To find your nearest ColorMatrix facility, go to avient.com.

If you have a project you are working on that requires a more sustainable material, please visit us at avient.com. © 2024, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 http://avient.com

A Záradékok másolatának igényléséhez kérjük, írjon a PRIVACY.OFFICER@AVIENT.COM e-mail-címre. Kapcsolatfelvétel Amennyiben bármilyen kérdése van vagy szeretne élni a jogaival, vegye fel velünk a kapcsolatot az alábbi elérhetőségen keresztül: Vállalati adatvédelmi tisztviselő Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 E-mail-cím: PRIVACY.OFFICER@AVIENT.COM Telefonszám: 1-800-901-2078 Az adatvédelemmel kapcsolatos kérdéseit, illetve kérelmeit online űrlapunkon keresztül is elküldheti nekünk. Az Avient Adatvédelmi tisztviselőjével a PRIVACY.OFFICER@AVIENT.COM e-mail-címen keresztül veheti fel a kapcsolatot. mailto:PRIVACY.OFFICER@AVIENT.COM https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb mailto:PRIVACY.OFFICER@AVIENT.COM **A perui jelentkezők személyes adatait a nemzeti személyes adatvédelmi nyilvántartás RNPDP-PJP Nº [*] kódja alatt megtalálható "[avient.taleo.net]" adatbankban tároljuk.

The webcast can be viewed live at avient.com/investors, or by clicking on the webcast link here. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. Rose, Vice President, Marketing and Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

The webcast can be viewed live at avient.com/investors, or by clicking on the webcast link here. Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and personal PIN. Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 6 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended December 31, 2023 2022 2023 2022 Sales $ 719.0 $ 790.4 $ 3,142.8 $ 3,396.9 Operating income 43.1 0.4 196.8 243.3 Net income (loss) from continuing operations attributable to Avient shareholders 27.8 (17.0) 75.8 82.8 Diluted earnings (loss) per share from continuing operations attributable $ 0.30 $ (0.19) $ 0.83 $ 0.90 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

The webcast can be viewed live at avient.com/investors, or by clicking on the webcast link here. Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in number and personal PIN. 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.

Hükümlerin bir kopyasını almak için lütfen PRIVACY.OFFICER@AVIENT.COM adresiyle iletişime geçin. Bize Ulaşın Herhangi bir sorunuz varsa veya haklarınızı kullanmak isterseniz bize aşağıdaki adresten ulaşabilirsiniz: Kurumsal Gizlilik Yetkilisi Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 E-posta: PRIVACY.OFFICER@AVIENT.COM Telefon: 1-800-901-2078 mailto:PRIVACY.OFFICER@AVIENT.COM Gizlilik sorularınız veya taleplerinizi bize çevrimiçi formumuzu doldurarak da gönderebilirsiniz. Geçerlilik Tarihi: 1 Ağustos 2020 https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb mailto:PRIVACY.OFFICER@AVIENT.COM