MARINE PLYWOOD Hammerhead™ panels are three times lighter than marine plywood MOISTURE ABSORPTION % weight change due to water absorption for selected composites and marine plywood 10000 60000 110000 160000 210000 260000 310000 360000 0.5 0.75 1 1.25 1.5 F le x u ra l R ig id it y - lb / in 2 Panel Thickness - in Hammerhead™ 5.3lb/in^3 Core Density Hammerhead™ 8.4lb/in^3 Core Density Plywood — Hammerhead™ 5.3 lb/ft3 Core Density — Hammerhead™ 8.4 lb/ft3 Core Density — Marine Plywood 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0 10 20 30 40 50 60 70 80 90 100 % W e ig h t C h a n g e Immersion Time - Days .50" Hammerhead™ .75" Hammerhead™ 1" Hammerhead™ 1.50" Hammerhead™ .50" marine plywood .75" marine plywood 1" marine plywood Fl ex ur al R ig id ity - lb -in 2 INSTALLATION INSTRUCTIONS CUTTING & DRILLING Recommended blade: Industrial fine cut-off saw blade, 10" x 80 teeth 38° ATB grind with 5/8" bore, PTFE coating Recommended router bits: 3/8" diameter, 4 flute TiAlN (titanium aluminum nitride) coated carbide bit FORMING Apply localized 400˚F heat at a length proportional to the panel thickness (see equation below) and bend to shape.

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.

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.

Director Compensation The Compensation Committee periodically reviews the form and amount of non- employee director compensation, including cash and equity-based compensation.

Contact Us If you have any questions or want to exercise any of your rights, you can contact us at: The Corporate Privacy Officer Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Email: PRIVACY.OFFICER@AVIENT.COM Phone: 1-800-901-2078 You may also send us your privacy questions or requests through our online form.

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.

It is more difficult for a TPE to form a melt bond with a semi- crystalline polymer, such as polyamide, than with an amorphous polymer like polycarbonate.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based in contract, breach of warranty, negligence, strict liability, other tort or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions.

• Allocations spéciales - Offrir des services spéciaux, des remises, des paiements ou d’autres formes d’aide à un client qui ne sont pas offerts sur une base proportionnellement égale aux concurrents de ce client. • Responsabilité de l’acheteur - Toute transaction où la Société reçoit sciemment ou tente sciemment de recevoir des prix ou des conditions de vente discriminatoires de la part d’un fournisseur. Protection contre les représailles Toute forme de représailles à l’encontre d’un employé qui a, de bonne foi, signalé une violation ou une violation potentielle de la présente Politique est strictement interdite.

Buyer must give Seller written notice of the existence of each claim involving Product (whether based on breach of warranty, or otherwise) within the earlier of thirty (30) days after receipt of the quantity of Product forming the basis for the claim or applicable shelf-life expiration, if any (the applicable shelf-life expiration of Products or term of 30 days from receipt or term indicated in writing by Seller to Buyer, whatsoever occurs earlier) (warranty period). No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 19.