INDIANAPOLIS, March 12, 2026 /PRNewswire/ -- Calumet, Inc. (NASDAQ: CLMT) (the "Company" or "Calumet") today announced that, subject to market conditions, its wholly owned subsidiaries, Calumet Specialty Products Partners, L.P. (the "Partnership") and Calumet Finance Corp. (together with the Partnership, the "Issuers"), intend to offer (the "Offering") for sale to eligible purchasers in a private placement under Rule 144A and Regulation S under the Securities Act of 1933, as amended (the "Securities Act"), $150 million in aggregate principal amount of 9.75% Senior Notes due 2031 (the "Additional Notes").