INDIANAPOLIS, Feb. 28, 2025 /PRNewswire/ – Calumet, Inc. (NASDAQ: CLMT) (the “Company,” “Calumet,” “we,” “our” or “us”) announced it has entered into a definitive agreement with a wholly owned subsidiary of Lubrication Engineers, Inc., a portfolio company of Aurora Capital Partners, to sell assets related to the industrial portion of its Royal Purple® business, for $110 million.