Reduces Interest Rate Margins by 50 Basis Points PITTSBURGH, Dec. 17, 2024 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), an integrated global provider of treated wood products, wood treatment chemicals, and carbon compounds, today announced that the company successfully completed the repricing of its seven-year $495 million senior secured Term Loan B (TLB) due April 10, 2030. This transaction reduces the interest rate margins applicable to the TLB by 50 basis points, from 3.00% with a floor of 50 bps t ...