X0609 4 2026-05-15 0002013745 Calumet, Inc. /DE CLMT 0001350750 Heritage Group false 6640 INTECH BLVD, SUITE 200 INDIANAPOLIS IN 46268 false false true true 13(d) 10% Group Member false Common Stock, par value $0.01 per share 2026-05-15 4 X false 1020000 20 A 13607209 D Common Stock, par value $0.01 per share 2026-05-15 4 S false 626998 32.536 D 12980211 D Common Stock, par value $0.01 per share 1200000 I See Footnote Common Stock, par value $0.01 per share 882974 I See Footnote Warrants to purchase Common Stock 20 2026-05-15 4 X false 1020000 D 2024-07-10 2027-07-10 Common Stock, par value $0.01 per share 1020000 0 D The reported transactions represent the cashless exercise and net settlement of warrants received in connection with the previously reported conversion of the Issuer to a corporation (resulting in the Issuer withholding 626,998 shares of Common Stock, par value $0.01 per share ("Common Stock") to pay the exercise price and issuing to the reporting person the remaining 393,002 shares of Common Stock). The reporting person beneficially owns 1,200,000 shares of Common Stock that are owned directly by The Heritage Group Investment Company, LLC, a limited liability company ("Investment LLC"), for which the reporting person serves as the Manager and which is wholly owned by the twenty-eight grantor trusts that are the sole general partners and owners of the reporting person. The reporting person disclaims beneficial ownership of the Common Stock owned 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 Calumet, Incorporated, an Indiana corporation. The reporting person is an indirect shareholder of Calumet, Incorporated through Asphalt Materials, Inc. ("AMI"), an entity controlled by the reporting person, and the reported amount has been adjusted in connection with the issuance by AMI of interests to certain management team members affiliated with the reporting person. The reporting person disclaims beneficial ownership of the Common Stock owned by Calumet, Incorporated, 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 2026-05-19