8226; Continue Broadening the Distribution of our Products. See discussion above concerning the COVID-19 pandemic under "Our Strategy." For 2020, we purchased approximately 30.1 million MMBtus of natural gas. We believe we have good relationships with our employees. In such an event, we may not have sufficient assets to repay all of our debt. Our nitrogen production is concentrated in four separate complexes. An increase of imported agricultural products could adversely affect our business. Imports into the U.S. from those countries has increased over the last twelve months. A substantial portion of our sales is dependent upon a limited number of customers. Future technological innovation could affect our business. We are subject to collective bargaining agreements with certain employees. This is in addition to their ability to vote generally in the election of directors. Defined Terms The following is a list of terms used in this report. Baytown Facility - The nitric acid production facility located in Baytown, Texas. EUC - Environmental Use Control. NPDES - National Pollutant Discharge Elimination. Series B Preferred - The Series B 12% cumulative convertible Class C Preferred stock. SG&A - Selling, general and administrative expense.