Koppers Holdings Inc (KOP) is a leading integrated producer of carbon compounds and treated wood products. The company operates through three segments: Carbon Materials and Chemicals, Performance Chemicals, and Railroad and Utility Products. Koppers provides a wide range of high-quality products used in various industries, including aluminum, steel, chemical, utility, and railroad. As of December 31, 2020, the company had total revenue of $1.5 billion, reflecting a decrease of 6.5% compared to the previous year. The decrease in revenue was primarily attributed to the impact of the COVID-19 pandemic on demand and pricing.
The company's gross profit for the year ended December 31, 2020, was $332.9 million, representing a gross profit margin of 22.1%. The gross profit margin decreased compared to the previous year, mainly due to lower sales volumes and unfavorable product mix. Koppers' operating income, as measured by Earnings Before Interest and Taxes (EBIT), was $83.4 million in 2020, reflecting a decrease of 30.8% compared to the previous year. The decrease was primarily driven by lower sales volumes and higher raw material costs.
Koppers' net income attributable to stockholders for the year ended December 31, 2020, was $32.6 million, or $1.60 per diluted share. This represents a decrease of 49.4% compared to the previous year. The decrease in net income was primarily due to lower operating income and higher interest expense. Despite the challenging market conditions, Koppers remains committed to delivering value to its stockholders and maintaining a strong financial position.
As of December 31, 2020, Koppers had total assets of $1.9 billion, total liabilities of $1.2 billion, and stockholders' equity of $715.2 million. The company's total debt, including current maturities, was $826.6 million. Koppers' cash equivalents, which consist primarily of highly liquid investments with maturities of three months or less, were $82.3 million as of December 31, 2020. The company's net debt, calculated as total debt minus cash equivalents, was $744.3 million.
Koppers generated operating cash flow of $134.2 million in 2020, reflecting a decrease of 18.8% compared to the previous year. The decrease was primarily due to lower net income and changes in working capital. The company's investing cash flow in 2020 was $76.4 million, primarily driven by capital expenditures for maintenance and growth projects. Koppers' financing cash flow was $40.0 million in 2020, mainly related to debt payments and dividend payments to stockholders.
Overall, Koppers Holdings Inc (KOP) demonstrated its resilience in 2020 amidst challenging market conditions. The company remains focused on driving operational efficiency, managing costs, and investing in strategic growth initiatives. By leveraging its diverse product portfolio and strong customer relationships, Koppers aims to deliver long-term value to its stockholders.