We are exposed to market risks related to fluctuations in interest rates on our variable rate debt, which consists of a revolving credit facility and industrial development revenue bonds. We do not enter into any material interest rate swaps, futures contracts or options on futures, or other types of derivative financial instruments to mitigate this risk. 39 Table of Contents UFP INDUSTRIES, INC. For fixed rate debt, changes in interest rates generally affect the fair market value, but not earnings or cash flows. Conversely, for variable rate debt, changes in interest rates generally do not influence fair market value, but do affect future earnings and cash flows. We do not have an obligation to prepay fixed rate debt prior to maturity, and as a result, interest rate risk and changes in fair market value should not have a significant impact on such debt until we are required to refinance it. We are subject to fluctuations in the price of lumber. We experience significant fluctuations in the cost of commodity lumber products from primary producers (the “Lumber Market”). A variety of factors over which we have no control, including government regulations, tariffs and trade policies, transportation, environmental regulations, weather conditions, economic conditions, and natural disasters, impact the cost of lumber products and our selling prices. While we attempt to minimize our risk from severe price fluctuations, substantial, prolonged trends in lumber prices can affect our sales, cost of materials, and gross profit. (See “Impact of the Lumber Market on Our Operating Results”). Our international operations have exposure to foreign currency rate risks, primarily due to fluctuations in their local currency, which is their functional currency, compared to the U.S. Dollar. Additionally, certain of our operations enter into transactions that will be settled in a currency other than the U.S. Dollar. We may enter into forward foreign exchange rate contracts in the future to mitigate foreign currency exchange risk. Historically, our hedge contracts have been immaterial to the financial statements. ​