If a present or future law, governmental decree, order, regulation, or ruling under any existing or future legislation prevents Seller from increasing or revising the price as provided herein, or nullifies or reduces any price or price increase hereunder, upon written notice from one to the other, Seller and Buyer will attempt to identify mutually agreeable changes to conform this contract with such law, decree, order, regulation, or ruling. Notice of Change. Unless otherwise agreed in a writing signed by Seller, Seller may make changes to its Product and process without notice to, or approval from, Buyer so long as the Product Specifications do not change and the Product conforms to such Specifications.

Seller’s processing of any order is expressly conditioned on Buyer’s assent to and acceptance of these Terms, including all terms that are different from or in addition to any purported terms and conditions of the order. Notice of Change. Unless otherwise agreed in a writing signed by Seller, Seller may make changes to its Product and process without notice to, or approval from, Buyer so long as the Product Specifications do not change and the Product conforms to such Specifications.

Ordering & Limits. If a present or future law, governmental decree, order, regulation, or ruling under any existing or future legislation prevents Seller from increasing or revising the price as provided herein, or nullifies or reduces any price or price increase hereunder, upon written notice from one to the other Seller and Buyer will attempt to identify mutually agreeable changes to conform this contract with such law, decree, order, regulation, or ruling. Seller may change the price and/or terms of delivery and shipment at any time up until shipment, except where a written alternative pricing mechanism exists in this contract.

PolyOne now generates GHS formatted SDSs in this region in order to meet these requirements. In order to ensure we can meet the established timelines for North America and Europe implementation of GHS, we started converting our systems about one year early. Some changes may be required by changes in regulations, while other changes reflect information PolyOne believes improve the sharing of hazard information.

If a present or future law, governmental decree, order, regulation, or ruling under any existing or future legislation prevents Seller from increasing or revising the price as provided herein, or nullifies or reduces any price or price increase hereunder, upon written notice from one to the other Seller and Buyer will attempt to identify mutually agreeable changes to conform this contract with such law, decree, order, regulation, or ruling. Notice of Change. Unless otherwise agreed in a writing signed by Seller, Seller may make changes to its Product and process without notice to, or approval from, Buyer so long as the Product Specifications do not change, and the Product conforms to such Specifications.

If a present or future law, governmental decree, order, regulation, or ruling under any existing or future legislation prevents Seller from increasing or revising the price as provided herein, or nullifies or reduces any price or price increase hereunder, upon written notice from one to the other, Seller and Buyer will attempt to identify mutually agreeable changes to conform this contract with such law, decree, order, regulation, or ruling. Notice of Change. Unless otherwise agreed in a writing signed by Seller, Seller may make changes to its Product and process without notice to, or approval from, Buyer so long as the Product Specifications do not change and the Product conforms to such Specifications.

Seller’s processing of any order is ex- pressly conditioned on Buyer’s assent to and acceptance of these Terms, including all terms that are different from or in addition to any purported terms and conditions of the order. Notice of Change. Unless otherwise agreed in a writing signed by Seller, Seller may make changes to its Product and process without notice to, or approval from, Buyer so long as the Prod- uct Specifications do not change and the Product conforms to such Specifications.

No.150 Şişli/İstanbul 1 WEBSITE CONTENT POLYONE TEKNO POLİMER MÜHENDİSLİK PLASTİKLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ Content to be published permanently * Please note that in case of any changes to the following content, the update shall be published on the websites on the date such changes occur.

In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; including recessionary conditions • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows • Changes in laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to achieve the strategic and other objectives relating to the Avient Protective Materials business; • An inability to raise or sustain prices for products or services; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Ops Pro Forma Adjusted EPS (in millions) (in millions) 20 SUMMARY • Executed the plans we laid out earlier this year • Completed the Dyneema acquisition and Distribution divestiture amid challenging market conditions • Paid down debt and expect to finish the year modestly levered at 3.1x net debt to 2022 pro forma adjusted EBITDA • Expect $200 million of free cash flow in 2022 • Entering an economic slowdown with a portfolio that is better positioned than ever before • Updated our EPS guidance to $2.60 from continuing operations SEGMENT DATA U.S. & Canada 40% EMEA 35% Asia 20% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 21% Packaging 23% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE (1) Total company adjusted EBITDA of $585M includes corporate costs.

We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Changes in assets and liabilities, net of the effect of acquisitions: Effect of exchange rate changes on cash