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. Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties, remediation costs and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results

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. Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties, remediation costs and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; unrealized gains and losses from foreign currency option contracts; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax expense (benefit) from one-time income tax items and deferred income tax valuations allowance adjustments.

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. Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties, remediation costs and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; unrealized gains and losses from foreign currency option contracts; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax expense (benefit) from one-time income tax items and deferred income tax valuations allowance adjustments.

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. Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties, remediation costs and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; unrealized gains and losses from foreign currency option contracts; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax expense (benefit) from one-time income tax items and deferred income tax valuations allowance adjustments.

Deferff red compensation, whether in the form of cash or common shares, is held in trust for the participating Directors. Newlin is based on information contained in the last Form 4 with respect to PolyOne filed by him These officff ers, Directors and greater than 10% shareholders are required by SEC rules to furff nish us with copies of all forms they filff e.

With a wide range of color options and the availability of both slab and cube forms, Stan-Tone RBX can be formulated to meet specific customer requirements. KEY CHARACTERISTICS • Rigidly controlled process for lot-to-lot consistency • Formulated for excellent dispersion • Ease of handling • Customizable binder systems • Available in slab and cube forms APPLICATIONS Stan-Tone RBX Rubber Dispersions are suitable for a variety of applications within end markets such as: • Building and construction • Consumer • Healthcare • Packaging • Transportation Typical rubber applications include: • Industrial goods • Automotive mats • Flooring • Sponge rubber • Wire and cable applications Stan-Tone Pigment Approx. % Specific Color Heat WHITE 10MB03 Titanium Dioxide, Rutile 60 1.74 PW-6 1 I/O SBR 10EP03 Titanium Dioxide, Rutile 60 2.33 PW-6 1 I/O EPDM YELLOW 12MB01 (a) Diarylide AAOT GS 48 1.23 PY-14 3 I SBR 12MB02 (a) Diarylide AAOA GS 50 1.15 PY-17 3 I SBR 12MB03 (a) Diarylide HR RS 50 1.16 PY-83 2 I/O (Mass) SBR 12MB09 (a) Diarylide AAA RS 50 1.21 PY-12 3 I SBR 12MB10 (a) Diarylide AAMX RS 30 1.22 PY-13 3 I SBR 13MB03 Benzimidazolone GS 50 1.15 PY-151 2 I/O (Mass) SBR 81MB01 (c) Iron Oxide 65 1.84 PY-42 2 C I/O SBR 12EP01 (a) Diarylide AAOT GS 47 1.16 PY-14 3 I EPDM 12EP03 (a) Diarylide HR RS 43 1.17 PY-83 2 I/O (Mass) EPDM 12EP09 (a) Diarylide AAA RS 47 1.14 PY-12 3 I EPDM 81EP01 Iron Oxide 65 1.78 PY-42 2 C I/O EPDM ORANGE 15MB01 Pyrazolone YS 23 1.23 PO-13 2 I/O (Mass) SBR 15MB05 Dianisdine RS 40 1.11 PO-16 3 I/O (Mass) SBR 15MB06 Benzimidazolone RS 50 1.18 PO-36 2 I/O SBR 15MB07 Benzimidazolone YS 50 1.19 PO-64 2 I/O SBR 15EP01 Pyrazolone YS 23 1.16 PO-13 2 I/O (Mass) EPDM 15EP05 Dianisdine RS 43 1.07 PO-16 3 I/O (Mass) EPDM RED 20MB01 (b) Red Lake C YS 50 1.27 PR-53:1 3 I SBR 22MB01 (b) Lithol Rubine BS 42 1.19 PR-57:1 3 I SBR 23MB06 Specialty Naphthol BS 50 1.11 PR-170 2 I/O (Mass) C SBR 23MB07 Specialty Naphthol YS 50 1.13 PR-170 2 I/O (Mass) C SBR 25MB12 Red 2B, Ca Salt BS 49 1.25 PR-48:2 2 I/O (Mass) SBR 26MB03 (c) Pyrazolone YS 41 1.09 PR-38 2 C I/O (Mass) SBR 28MB02 Red 2B, Ba Salt YS 50 1.38 PR-48:1 2 I/O (Mass) SBR 82MB01 (c) Iron Oxide, Light BS 60 1.68 PR-101 1 I/O SBR 82MB02 (c) Iron Oxide, Dark VBS 60 1.8 PR-101 1 I/O SBR 82MB04 (c) Iron Oxide, Light VYS 60 1.83 PR-101 1 I/O SBR 82MB05 (c) Iron Oxide, Light YS 60 1.84 PR-101 1 I/O SBR 20EP01 (b) Red Lake C YS 50 1.23 PR-53:1 3 I EPDM Stan-Tone Pigment Approx. % Specific Color Heat RED 23EP06 Specialty Naphthol BS 50 1.06 PR-170 2 I/O (Mass) C EPDM 25EP12 Red 2B, Ca Salt Bs 49 1.2 PR-48:2 2 I/O EPDM 26EP03 Pyrazolone YS 41 1.03 PR-38 2 C I/O EPDM 28EP02 Red 2B, Ba Salt YS 50 1.33 PR-48:1 2 I/O EPDM 82EP02 Iron Oxide, Dark VBS 59 1.7 PR-101 1 I/O EPDM 82EP04 Iron Oxide, Light VYS 60 1.73 PR-101 1 I/O EPDM BLUE 40MB05 (c) Phthalocyanine GS 48 1.19 PB-15:3 1 I/O SBR 40MB08 (c) Phthalocyanine RS 52 1.27 PB-15 1 I/O SBR 40MB10 (c) Phthalocyanine RS-NC 48 1.22 PB-15:1 1 I/O SBR 40MB02 Ultramarine 51 1.35 PB-29 1 I/O SBR 40EP05 Phthalocyanine GS 44 1.14 PB-15:3 1 I/O EPDM 40EP08 Phthalocyanine RS 49 1.23 PB-15 1 I/O EPDM 40EP10 Phthalocyanine RS-NC 48 1.11 PB-15:1 1 I/O EPDM 42EP02 Ultramarine GS 50 1.27 PB-29 1 I/O EPDM GREEN 50MB05 Blend (Yellow/Blue) 48 1.21 N/A 3 I SBR 51MB01 (c) Phthalo Brominated VYS 50 1.4 PG-36 1 I/O SBR 51MB03 (c) Phthalocyanine YS 47 1.34 PG-7 1 I/O SBR 51MB05 (c) Phthalocyanine BS 50 1.46 PG-7 1 I/O SBR 59MB01 Chromium Oxide 69 2.17 PG-17 1 I/O SBR 50EP05 Blend (Yellow/Blue) 48 1.16 N/A 3 I EPDM 51EP01 Phthalo Brominated VYS 44 1.37 PG-36 1 I/O EPDM 51EP03 Phthalocyanine YS 47 1.33 PG-7 1 I/O EPDM 51EP05 Phthalocyanine Bs 45 1.37 PG-7 1 I/O EPDM 59EP01 Chromium Oxide 71 2.12 PG-17 1 I/O EPDM VIOLET/MAGENTA 24MB03 Quinacridone Violet 30 1.06 PV-19 2 I/O SBR 24MB04 Ultramarine Violet 60 1.59 PV-15 1 I/O SBR 24MB06 Benzimidazolone 40 1.08 PV-32 2 I/O SBR 24MB07 Carbazole Violet 40 1.25 PV-23 2 I/O SBR 24EP03 Quinacridone Violet 31 1 PV-19 2 I/O EPDM 24EP07 Carbazole Violet 14 1.34 PV-23 2 I/O EPDM Stan-Tone Pigment Approx. % Specific Color Heat BROWN 83MB01 (c) Iron Oxide, Tan HR 60 1.78 PBr-11 1 I/O SBR 83MB02 (c) Iron Oxide, Light 68 2.1 PBr-6 2 C I/O SBR 83MB03 (c) Iron Oxide, Dark 60 1.83 PBr-6 2 C I/O SBR 83EP02 Iron Oxide, Light 69 1.98 PBr-6 2 C I/O EPDM 83EP03 Iron Oxide, Dark 69 1.98 PBr-6 2 C I/O EPDM BLACK 90MB01 (c) Furnace N-330 31 1.2 PBk-7 1 I/O SBR 90MB05 (c) Iron Oxide 60 1.8 PBk-11 2 C I/O SBR 90EP01 Furnace Black 33 1.05 PBk-7 1 I/O EPDM 90EP05 Iron Oxide 55 1.56 PBk-11 2 C I/O EPDM ALUMINUM 61MB01 Aluminum 70 1.5 PM-1 1 I/O SBR 61EP01 Aluminum 60 1.31 PM-1 1 I/O EPDM RS = Red Shade YS = Yellow Shade VYS = Very Yellow Shade BS = Blue Shade VBS = Very Blue Shade GS = Green Shade NC = Non-Crystallizing HR = Heat-Resistant (a) = Potential Migration at Low Use Levels (b) = Poor Alkali Resistance - Not Recommended for Open Steam Cure (c) = Six Month Shelf Life LIGHTFASTNESS I = Indoor Only I/O = Indoor or Outdoor Mass = Outdoor Masstone Application Only C = Some Caution Advised HEAT STABILITY 1 = Above 400°F 2 = 350°F–400°F 3 = Below 350°F C = Some Caution Advised 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

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 Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

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 Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

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 Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

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 Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.