X0609 4 2026-06-05 0002013745 Calumet, Inc. /DE CLMT 0001350750 Heritage Group false 6640 INTECH BLVD, SUITE 200 INDIANAPOLIS IN 46278 false false true true 13(d) 10% Group Member false Common Stock 2026-06-05 4 G false 540000 0 D 12440211 D Common Stock 1200000 I See Footnote Common Stock 882974 I See Footnote The reported transaction represents a charitable donation of shares of Common Stock by the Reporting Person to The J.E. Fehsenfeld Family Foundation, Inc., a tax-qualified private foundation. The Reporting Person beneficially owns 1,200,000 shares of Common Stock that are owned directly by The Heritage Group Investment Company, LLC, an Indiana manager-managed limited liability company ("Investment LLC"), for which the Reporting Person serves as the Manager. The Reporting Person disclaims beneficial ownership of the Common Stock directly held by Investment LLC, except to the extent of any pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all the reported shares for purposes of Section 16 or for any other purpose. The reported securities are directly held by Lumet Investments, Inc. (f/k/a Calumet, Incorporated), an Indiana corporation ("Lumet Investments"). The Reporting Person is an indirect shareholder of Lumet Investments through Asphalt Materials, Inc. ("AMI"). The Reporting Person does not control AMI and therefore disclaims beneficial ownership of the Common Stock directly held by Lumet Investments, except to the extent of any pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all the reported shares for purposes of Section 16 or for any other purpose. /s/ Amy Schumacher, CEO 2026-06-05