Core Molding Technologies, Inc.

Item 7.01 Regulation FD Disclosure. Core Molding Technologies, Inc. (the "Company") announced on September 28, 2026 Eric Palomaki, Chief Executive Officer; Alex Panda, Executive Vice President and Chief Financial Officer, and other members of the executive management team intend to use the presentation attached hereto from time to time in conversations with investors, analysts and others. A copy of the slides forming the basis of the presentation is attached hereto as Exhibit 99.1 and are incorporated herein by reference. Such slides are also available in the Investor Relations section of the Company's web site at www.coremt.com. The slides are being furnished pursuant to Item 7.01, and the information contained therein shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities under that Section. Furthermore, the information contained in the slides shall not be deemed to be incorporated by reference into the filings of the Company under the Securities Act of 1933, as amended.