GRAFTECH INTERNATIONAL LTD 10-K

Item 7A. Quantitative and qualitative disclosures about market risk We are exposed to market risks, primarily from changes in interest rates, currency exchange rates, energy commodity prices and commercial energy rates. From time to time, we enter into transactions that have been authorized according to documented policies and procedures in order to manage these risks. These transactions relate primarily to financial instruments described below. Since the counterparties to these financial instruments are large commercial banks and similar financial institutions, we do not believe that we are exposed to material counterparty credit risk. We do not use financial instruments for trading purposes. Our exposure to changes in interest rates results primarily from floating rate long-term debt tied to LIBOR or Euro LIBOR. Our exposure to changes in currency exchange rates results primarily from: • sales made by our subsidiaries in currencies other than local currencies; • raw material purchases made by our foreign subsidiaries in currencies other than local currencies; and • investments in and intercompany loans to our foreign subsidiaries and our share of the earnings of those subsidiaries, to the extent denominated in currencies other than the U.S. dollar. Our exposure to changes in energy commodity prices and commercial energy rates results primarily from the purchase or sale of refined oil products and the purchase of natural gas and electricity for use in our manufacturing operations. Interest rate risk management. We periodically enter into agreements with financial institutions that are intended to limit our exposure to additional interest expense due to increases in variable interest rates. These instruments effectively cap our interest rate exposure. During the third quarter of 2019, we entered into interest rate swaps resulting in a net unrealized pre-tax loss of $11.9 million as of December 31, 2020 and a net unrealized pre-tax gain of $2.9 million as of December 31, 2019. Currency rate management. We enter into foreign currency derivatives from time to time to attempt to manage exposure to changes in currency exchange rates. These foreign currency derivatives, which include, but are not limited to, forward exchange contracts and purchased currency options, attempt to hedge global currency exposures. Forward exchange contracts are agreements to exchange different currencies at a specified future date and at a specified rate. Purchased currency options are instruments which give the holder the right, but not the obligation, to exchange different currencies at a specified 57 rate at a specified date or over a range of specified dates. Forward exchange contracts and purchased currency options are carried at market value. The outstanding foreign currency derivatives represented a net unrealized loss of $0.2 million as of December 31, 2020, and a net unrealized gain of $0.2 million as of December 31, 2019. Energy commodity management. We have entered into commodity derivative contracts to effectively fix some or all of our exposure to refined oil products. The outstanding commodity derivative contracts represented net unrealized losses of $2.2 million and $3.7 million as of December 31, 2020 and December 31, 2019, respectively. Sensitivity analysis. We use sensitivity analysis to quantify potential impacts that market rate changes may have on the underlying exposures as well as on the fair values of our derivatives. The sensitivity analysis for the derivatives represents the hypothetical changes in value of the hedge position and does not reflect the related gain or loss on the forecasted underlying transaction. A hypothetical increase in interest rates of 100 basis points (1%) would have increased our interest expense by $3.7 million, n et of the impact of our interest rate swap, for the year ended December 31, 2020. The same 100 basis points increase would have resulted in an increase of $11.1 million in fair value of our interest rate swap portfolio. As of December 31, 2020, a 10% appreciation or depreciation in the value of the U.S. dollar against foreign currencies from the prevailing market rates would result in a corresponding decrease of $6.0 million or a corresponding increase of $6.0 million, respectively, in the fair value of the foreign currency hedge portfolio. A 10% increase or decrease in the value of the underlying commodity prices that we hedge would result in a corresponding increase or decrease of $6.1 million in the fair value of the commodity hedge portfolio as of December 31, 2020. Because of the high correlation between the hedging instrument and the underlying exposure, fluctuations in the value of the instruments are generally offset by reciprocal changes in the value of the underlying exposure. For further information related to the financial instruments described above, see Note 1 "Business and Summary of Accounting Policies" and Note 8 "Fair Value Measurement and Derivative Instruments" to the Consolidated Financial Statements in Item 8. 58