CMT / Core Molding Technologies, Inc. - Pengajuan SEC, Laporan Tahunan, Pernyataan Kuasa

Core Molding Technologies, Inc.
US ˙ NYSEAM ˙ US2186831002

Statistik Dasar
LEI 549300ZY2MFRXCKVIJ28
CIK 1026655
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Core Molding Technologies, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar kronologis Pengajuan SEC yang lengkap, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
June 5, 2026 EX-10.1

AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT

AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is made effective as of June 1, 2026 (the “Effective Date”), by and between CORE MOLDING TECHNOLOGIES, INC.

June 5, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 5, 2026 Core Molding Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 5, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

June 4, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2026 Core Molding Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 20, 2026 EX-24.1

POWER OF ATTORNEY

EXHIBIT 24.1 POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints Alex J. Panda, the true and lawful attorney-in-fact and agent of the undersigned, with full power of substitution and resubstitution, for and in the name, place and stead of the undersigned, in any and all capacities, to sign one or more Registration Statements on Form S-8 of Core Molding Techn

May 20, 2026 S-8

1104747075\2\AMERICAS As filed with the Securities and Exchange Commission on May 20, 2026 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

s-8cmt2026ltipamendment 1104747075\2\AMERICAS As filed with the Securities and Exchange Commission on May 20, 2026 Registration No.

May 20, 2026 EX-FILING FEES

Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered

EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc.

May 19, 2026 EX-10.1

TRANSITION AGREEMENT

TRANSITION AGREEMENT THIS TRANSITION AGREEMENT (this “Agreement”) is entered into as of June 1, 2026 by and between Core Molding Technologies, Inc.

May 19, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2026 Core Molding Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 15, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2026 Core Molding Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 7, 2026 EX-32.B

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2026 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Alex

May 7, 2026 EX-32.A

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2026 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

May 7, 2026 EX-31.B

SECTION 302 CERTIFICATION

Exhibit 31(b) SECTION 302 CERTIFICATION I, Alex J. Panda, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

May 7, 2026 EX-31.A

SECTION 302 CERTIFICATION

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

May 7, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2026 Core Molding Technolo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

May 7, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 COR

May 7, 2026 EX-99.1

Core Molding Technologies Reports Fiscal 2026 First Quarter Results First Quarter Delivers New Wins of $17 million, Margin Expansion, Strategic Investment Progress, and Early Signs of Cycle Recovery

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2026 First Quarter Results First Quarter Delivers New Wins of $17 million, Margin Expansion, Strategic Investment Progress, and Early Signs of Cycle Recovery COLUMBUS, OH, May 7, 2026 – Core Molding Technologies, Inc.

April 6, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ( )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ( ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definitive Proxy S

March 20, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 20, 2026 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 20, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 20, 2026 EX-99.1

Investor Presentation Southwest IDEAS Conference March 2026 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securitie

rothmarch2026final Investor Presentation Southwest IDEAS Conference March 2026 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

March 11, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2026 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 11, 2026 EX-99.1

Core Molding Technologies Announces $7,500,000 Stock Repurchase Program

FOR IMMEDIATE RELEASE Core Molding Technologies Announces $7,500,000 Stock Repurchase Program COLUMBUS, OH, March 11, 2026 – Core Molding Technologies, Inc.

March 10, 2026 EX-4

DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2025, Core Molding Technologies, Inc.

March 10, 2026 EX-31.B

SECTION 302 CERTIFICATION

Exhibit 31(b) SECTION 302 CERTIFICATION I, Alex J. Panda, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 10, 2026 EX-32.A

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

March 10, 2026 EX-21

SUBSIDIARIES OF REGISTRANT

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2025 are listed below.

March 10, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2026 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 10, 2026 EX-32.B

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, A

March 10, 2026 EX-99.1

Core Molding Technologies Reports Full Year and Fourth Quarter 2025 Results Fourth Quarter Total Sales Up 19.5% Driven by Elevated Tooling Revenue; Full Year Business Wins of $63 Million Support Multi-Year Revenue Expansion

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2025 Results Fourth Quarter Total Sales Up 19.

March 10, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

March 10, 2026 EX-19

INSIDER TRADING

Exhibit 19 Insider Trading Policy INTRODUCTION This Core Molding Technologies, Inc.

March 10, 2026 EX-24

POWER OF ATTORNEY

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

March 10, 2026 EX-31.A

SECTION 302 CERTIFICATION

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

February 17, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2026 Core Molding Te

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2026 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

February 17, 2026 EX-10.1

FIRST AMENDMENT TO CREDIT AGREEMENT

Exhibit 10.1 FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), is executed as of February 6, 2026 (the “Signature Date”) to be effective as of December 31, 2025 (the “Amendment Effective Date”), by and among CORE MOLDING TECHNOLOGIES, INC., a Delaware corporation (the “Borrower”), the other Loan Parties party hereto, the Lenders party hereto, and THE

November 17, 2025 EX-99.1

Investor Presentation Southwest IDEAS Conference November 2025 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securi

cmtnovember2025southwest Investor Presentation Southwest IDEAS Conference November 2025 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

November 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2025 Core Molding Te

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

November 4, 2025 EX-99.1

Press Release announcing earnings for the Company for the third quarter ended September 30, 2025

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2025 Third Quarter Results 2025 Full Year Sales Guidance Down 10% to 12% from Prior Year, and Well-Positioned to Accelerate 2026 New Program Launches COLUMBUS, OH, November 4, 2025 – Core Molding Technologies, Inc.

November 4, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2025 Core Molding Tec

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

November 4, 2025 EX-32.A

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 4, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505

November 4, 2025 EX-31.A

SECTION 302 CERTIFICATION

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

November 4, 2025 EX-32.B

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 4, 2025 EX-31.B

SECTION 302 CERTIFICATION

Exhibit 31(b) SECTION 302 CERTIFICATION I, Alex J. Panda, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

September 12, 2025 144

144

144 0001757008 XXXXXXXX LIVE 0001026655 CORE MOLDING TECHNOLOGIES INC 001-12505 800 MANOR PARK DRIVE P O BOX 28183 COLUMBUS OH 43228 6148705000 DUVALL DAVID L.

September 9, 2025 144

144

144 0001757008 XXXXXXXX LIVE 0001026655 CORE MOLDING TECHNOLOGIES INC 001-12505 800 MANOR PARK DRIVE P O BOX 28183 COLUMBUS OH 43228 614-870-5000 DUVALL DAVID L.

September 8, 2025 144

144

144 0001566497 XXXXXXXX LIVE 0001026655 CORE MOLDING TECHNOLOGIES INC 001-12505 800 MANOR PARK DRIVE P O BOX 28183 COLUMBUS OH 43228 6148705000 Jauchius Matthew Director Common Charles Schwab Corp.

August 25, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 25, 2025 Core Molding Tech

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 25, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

August 25, 2025 EX-99.1

Investor Presentation Midwest IDEAS Conference August 2025 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities

cmtaugust2025midwestidea Investor Presentation Midwest IDEAS Conference August 2025 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

August 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2025 Core Molding Techno

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

August 5, 2025 EX-10.1

Second Amended and Restated Employment Agreement between Mr. Duvall and the Company, dated August 1, 2025.

SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is made effective as of August 1, 2025 (the “Effective Date”), by and between CORE MOLDING TECHNOLOGIES, INC.

August 5, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 CORE

August 5, 2025 EX-32.B

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Alex

August 5, 2025 EX-99.1

Core Molding Technologies Announces 2026 Leadership Transition CEO Dave Duvall to Retire May 2026, COO Eric Palomaki to Succeed Duvall

FOR IMMEDIATE RELEASE Core Molding Technologies Announces 2026 Leadership Transition CEO Dave Duvall to Retire May 2026, COO Eric Palomaki to Succeed Duvall COLUMBUS, OH, August 5, 2025 – Core Molding Technologies, Inc.

August 5, 2025 EX-31.B

SECTION 302 CERTIFICATION

Exhibit 31(b) SECTION 302 CERTIFICATION I, Alex J. Panda, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

August 5, 2025 EX-32.A

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

August 5, 2025 EX-31.A

SECTION 302 CERTIFICATION

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

August 5, 2025 EX-99.1

Core Molding Technologies Reports Fiscal 2025 Second Quarter Results Invest for Growth Success with First Half New Business Wins of $47 million and Announcement of Organic Investment of $25 million

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2025 Second Quarter Results Invest for Growth Success with First Half New Business Wins of $47 million and Announcement of Organic Investment of $25 million COLUMBUS, OH, August 5, 2025 – Core Molding Technologies, Inc.

August 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

June 10, 2025 8-K/A

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 to Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 09, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisd

June 10, 2025 EX-99.1

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are su

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

June 9, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 09, 2025 Core Molding Techno

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 09, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

June 9, 2025 EX-99.1

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are su

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

May 19, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 Core Molding Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 8, 2025 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

May 8, 2025 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 COR

May 8, 2025 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

May 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 Core Molding Technolo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

May 8, 2025 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

May 8, 2025 EX-99.1

Core Molding Technologies Reports Fiscal 2025 First Quarter Results Focused Operational Execution Delivered Margin Improvements, Profitability, and Positive Free Cash Flow

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2025 First Quarter Results Focused Operational Execution Delivered Margin Improvements, Profitability, and Positive Free Cash Flow COLUMBUS, OH, May 8, 2025 – Core Molding Technologies, Inc.

April 4, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ( )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ( ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definitive Proxy S

March 13, 2025 EX-99.1

ROTH CONFERENCE March 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to th

ROTH CONFERENCE March 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

March 13, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 13, 2025 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 13, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 11, 2025 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

March 11, 2025 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

March 11, 2025 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

March 11, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

March 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2025 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 11, 2025 EX-4

Filed Herein

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2024, Core Molding Technologies, Inc.

March 11, 2025 EX-99.1

Core Molding Technologies Reports Full Year and Fourth Quarter 2024 Results Record Operational Cash Flow and Margin Stability Driven by Strategic Initiatives

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2024 Results Record Operational Cash Flow and Margin Stability Driven by Strategic Initiatives COLUMBUS, OH, March 11, 2025 – Core Molding Technologies, Inc.

March 11, 2025 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 11, 2025 EX-21

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2024 are listed below.

March 11, 2025 EX-24

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

November 20, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

November 20, 2024 EX-99.1

SOUTHWEST IDEAS CONFERENCE November 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are

SOUTHWEST IDEAS CONFERENCE November 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

November 12, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2024 Core Molding Te

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

November 12, 2024 EX-99.1

Core Molding Technologies Announces Leadership Succession Plans for Next Chapter of Growth John Zimmer, Chief Financial Officer, to Exit May 31, 2025

Core Molding Technologies Announces Leadership Succession Plans for Next Chapter of Growth John Zimmer, Chief Financial Officer, to Exit May 31, 2025 COLUMBUS, Ohio, November 12, 2024—Core Molding Technologies, Inc.

November 8, 2024 SC 13G

CMT / Core Molding Technologies, Inc. / BlackRock, Inc. Passive Investment

SC 13G 1 us2186831002110824.txt us2186831002110824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) CORE MOLDING TECHNOLOGIES INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 218683100 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the approp

November 5, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505

November 5, 2024 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 5, 2024 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 5, 2024 EX-99.1

Core Molding Technologies Reports Fiscal 2024 Third Quarter Results

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2024 Third Quarter Results COLUMBUS, OH, November 5, 2024 – Core Molding Technologies, Inc.

November 5, 2024 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

November 5, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

November 5, 2024 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

October 22, 2024 SC 13G

CMT / Core Molding Technologies, Inc. / BlackRock, Inc. Passive Investment

SC 13G 1 us2186831002102224.txt us2186831002102224.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) CORE MOLDING TECHNOLOGIES INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 218683100 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the approp

August 27, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 27, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

August 27, 2024 EX-99.1

MIDWEST IDEAS CONFERENCE August 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are sub

MIDWEST IDEAS CONFERENCE August 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

August 9, 2024 EX-1.1

.1 to Registration Statement on Form S-8 (Registration No. 333-281428) filed August 9, 2024

- 1 - 1101332042\2\AMERICAS AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CORE MOLDING TECHNOLOGIES, INC.

August 9, 2024 EX-FILING FEES

Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered

EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc.

August 9, 2024 EX-24.1

POWER OF ATTORNEY

EXHIBIT 24.1 POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints John P. Zimmer, the true and lawful attorney-in-fact and agent of the undersigned, with full power of substitution and resubstitution, for and in the name, place and stead of the undersigned, in any and all capacities, to sign one or more Registration Statements on Form S-8 of Core Molding Tech

August 9, 2024 S-8

1101271557\5\AMERICAS As filed with the Securities and Exchange Commission on August 9, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 193

s-8ltip 1101271557\5\AMERICAS As filed with the Securities and Exchange Commission on August 9, 2024 Registration No.

August 6, 2024 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

August 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 CORE

August 6, 2024 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

August 6, 2024 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

August 6, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2024 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

August 6, 2024 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

August 6, 2024 EX-99.1

Core Molding Technologies Reports Fiscal 2024 Second Quarter Results

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2024 Second Quarter Results COLUMBUS, OH, August 6, 2024 – Core Molding Technologies, Inc.

May 20, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2024 Core Molding Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 8, 2024 SC 13G/A

CMT / Core Molding Technologies, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us2186831002050724.txt us2186831002050724.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) CORE MOLDING TECHNOLOGIES INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 218683100 - (CUSIP Number) April 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropr

May 7, 2024 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

May 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 COR

May 7, 2024 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

May 7, 2024 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

May 7, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2024 Core Molding Technolo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

May 7, 2024 EX-99

Core Molding Technologies Reports Fiscal 2024 First Quarter Results

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2024 First Quarter Results COLUMBUS, OH, May 7, 2024 – Core Molding Technologies, Inc.

May 7, 2024 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

May 1, 2024 SC 13D/A

CMT / Core Molding Technologies, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 23) Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Author

April 12, 2024 ARS

ARS 2023 10-K

800 Manor Park Drive Columbus, OH 43228 www.coremt.com 2023 ANNUAL REPORT CORE MOLDING TECHNOLOGIES, INC. CMT-072 AnnualReport 2023.FA.V1.indd 1-2 CMT-072 AnnualReport 2023.FA.V1.indd 1-2 3/25/2024 2:02:45 PM 3/25/2024 2:02:45 PMSELECTED FINANCIAL HIGHLIGHTS (dollars in millions except per share numbers) YEARS ENDED DECEMBER 31 2023 2022 2021 2020 2019 Net Sales 357.7 377.4 307.5 222.4 284.3 Opera

April 11, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ( )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ( ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definitive Proxy S

April 10, 2024 EX-10.2

Form Restricted Stock Agreement between Core Molding Technologies, Inc. and certain executive officers

Exhibit 10.2 CORE MOLDING TECHNOLOGIES, INC. CMLT RESTRICTED STOCK AGREEMENT AGREEMENT made as of , 20 (the “Grant Date”), by and between Core Molding Technologies, Inc. (the “Company”) and , an Executive of the Company (the “Executive”). W I T N E S S E T H WHEREAS, pursuant to the provisions of the Company’s 2021 Long-Term Equity Incentive Plan (the “Plan”), the Company desires to award to the E

April 10, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 05, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

April 10, 2024 EX-10.1

Form Performance Restricted Stock Award Agreement between Core Molding Technologies, Inc. and certain executive officers

Exhibit 10.1 PERFORMANCE RESTRICTED STOCK AWARD AGREEMENT GRANTED UNDER THE CORE MOLDING TECHNOLOGIES, INC. 2021 LONG-TERM EQUITY INCENTIVE PLAN This Performance Restricted Stock Award Agreement (this “Agreement”), dated as of , 20 (the “Grant Date”), is made and entered between Core Molding Technologies, Inc. (the “Company”) and (the “Grantee”), pursuant to, and subject to, the terms of the Compa

March 29, 2024 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: þ Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defi

March 25, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: þ Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

March 15, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 15, 2024 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 15, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 15, 2024 EX-99.1

ROTH CONFERENCE March 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to th

investorpresentationmarc ROTH CONFERENCE March 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

March 12, 2024 EX-21

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2023 are listed below.

March 12, 2024 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

March 12, 2024 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

March 12, 2024 EX-4

Filed Herein

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2023, Core Molding Technologies, Inc.

March 12, 2024 EX-99.1

Core Molding Technologies Reports Full Year and Fourth Quarter 2023 Results Significant Cash Flow and Improved Returns from Fiscal 2023 Strategic Initiatives

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2023 Results Significant Cash Flow and Improved Returns from Fiscal 2023 Strategic Initiatives COLUMBUS, OH, March 12, 2024 – Core Molding Technologies, Inc.

March 12, 2024 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 12, 2024 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

March 12, 2024 EX-24

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

March 12, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

March 12, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 12, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 11, 2024 EX-10.1

First Amendment to Credit Agreement

FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), is entered as of March 7, 2024 (the “Amendment Effective Date”), by and among CORE MOLDING TECHNOLOGIES, INC.

March 11, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 11, 2024 EX-99.1

Core Molding Technologies Announces $7,500,000 Stock Repurchase Program

FOR IMMEDIATE RELEASE Core Molding Technologies Announces $7,500,000 Stock Repurchase Program COLUMBUS, OH, March 11, 2024 – Core Molding Technologies, Inc.

February 13, 2024 SC 13G/A

CMT / Core Molding Technologies, Inc. / RENAISSANCE TECHNOLOGIES LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* CORE MOLDING TECHNOLOGIES, INC. - (Name of Issuer) Common Stock, par value $0.01 - (Title of Class of Securities) 218683100 - (CUSIP Number) December 29, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designat

February 9, 2024 SC 13G/A

CMT / Core Molding Technologies, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 10 )* Core Molding Technologies Inc (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropr

February 8, 2024 SC 13G/A

CMT / Core Molding Technologies, Inc. / Wax Asset Management, LLC Passive Investment

SC 13G/A 1 fp0087120-5sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 2)* Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) D

January 29, 2024 SC 13G

CMT / Core Molding Technologies, Inc. / BlackRock Inc. Passive Investment

SC 13G 1 us2186831002012924.txt us2186831002012924.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) CORE MOLDING TECHNOLOGIES INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 218683100 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropr

January 4, 2024 CORRESP

CORE MOLDING TECHNOLOGIES, INC. 800 Manor Park Drive Columbus, Ohio 43228-0183 (614) 870-5000

CORE MOLDING TECHNOLOGIES, INC. 800 Manor Park Drive Columbus, Ohio 43228-0183 (614) 870-5000 January 4, 2024 VIA EDGAR CORRESPONDENCE Division of Corporation Finance U.S. Securities & Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Jane Park Re: Core Molding Technologies, Inc. Registration Statement of Form S-3 (File No. 333-276261) Ladies and Gentlemen: Pursuant to Rule

December 29, 2023 LETTER

LETTER

United States securities and exchange commission logo December 29, 2023 David Duvall Chief Executive Officer Core Molding Technologies, Inc.

December 22, 2023 EX-24.A

Power of Attorney.

Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the individuals whose signatures appear below constitute and appoint David L.

December 22, 2023 EX-FILING FEES

Filing Fee Calculation

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-3 (Form Type) CORE MOLDING TECHNOLOGIES, INC.

December 22, 2023 EX-23.A

Consent of Crowe LLP.

Exhibit 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement on Form S-3 of Core Molding Technologies, Inc.

December 22, 2023 EX-4.A

Form of Indenture relating to debt securities.

Exhibit 4.1 Core Molding Technologies, Inc. as Issuer AND [] Indenture Dated as of [, 20] TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 Section 101. Definitions 1 Section 102. Compliance Certificates and Opinions 7 Section 103. Form of Documents Delivered to Trustee 8 Section 104. Acts of Holders 8 Section 105. Notices, Etc to Trustee and Company 9 Sect

December 22, 2023 EX-5.A

Consent of Squire Patton Boggs (US) LLP (included in Exhibit 5(a)).

Exhibit 5 Squire Patton Boggs (US) LLP 2000 Huntington Center 41 South High Street Columbus, Ohio 43215 O +1 614 365 2700 squirepattonboggs.

December 22, 2023 S-3

As filed with the Securities and Exchange Commission on December 22, 2023

As filed with the Securities and Exchange Commission on December 22, 2023 Registration No.

November 17, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 13, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

November 17, 2023 EX-99.1

SOUTHWEST IDEAS CONFERENCE November 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are

SOUTHWEST IDEAS CONFERENCE November 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

November 7, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

November 7, 2023 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

November 7, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505

November 7, 2023 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

November 7, 2023 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 7, 2023 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 7, 2023 EX-99.1

Core Molding Technologies Reports Fiscal 2023 Third Quarter Results Strategic Initiatives Continue to Drive Higher Returns and Generate Strong Cash Flow

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2023 Third Quarter Results Strategic Initiatives Continue to Drive Higher Returns and Generate Strong Cash Flow COLUMBUS, OH, November 7, 2023 – Core Molding Technologies, Inc.

November 2, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

November 2, 2023 EX-99.1

Core Molding Technologies Appoints New Board Member

FOR IMMEDIATE RELEASE Core Molding Technologies Appoints New Board Member COLUMBUS, Ohio – November 2, 2023 – Core Molding Technologies, Inc.

August 23, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 23, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

August 23, 2023 EX-99.1

MIDWEST IDEAS INVESTOR CONFERENCE August 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, whic

MIDWEST IDEAS INVESTOR CONFERENCE August 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

August 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

August 8, 2023 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

August 8, 2023 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

August 8, 2023 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

August 8, 2023 EX-99.1

Core Molding Technologies Reports Fiscal 2023 Second Quarter Results Strong Earnings per Share of $0.91, up 250%, on Continued Execution of Strategic Priorities

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2023 Second Quarter Results Strong Earnings per Share of $0.

August 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 CORE

August 8, 2023 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

June 9, 2023 S-8

As filed with the Securities and Exchange Commission on June 9, 2023

As filed with the Securities and Exchange Commission on June 9, 2023 Registration No.

June 9, 2023 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 2 a2023s-8filingfeetableex107.htm EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Aggregate Offering Price Per Share Maximum Aggregate

June 9, 2023 EX-24.1

Power of Attorney of Core Molding Technologies, Inc.

EX-24.1 5 a2023s-8poaex241.htm EX-24.1 EXHIBIT 24.1 POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints John P. Zimmer, the true and lawful attorney-in-fact and agent of the undersigned, with full power of substitution and resubstitution, for and in the name, place and stead of the undersigned, in any and all capacities, to sign one or more Registration Stat

May 12, 2023 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 COR

May 9, 2023 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

May 9, 2023 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

May 9, 2023 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

May 9, 2023 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

May 9, 2023 EX-99.1

Core Molding Technologies Reports Fiscal 2023 First Quarter Results Strong Performance with Sales of $99.5 million, Earnings per Share Up 43%, Adjusted EBITDA Margin of 12.3%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2023 First Quarter Results Strong Performance with Sales of $99.

May 9, 2023 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

May 4, 2023 EX-99.2

Core Molding Technologies to Participate in the Inaugural EF Hutton Global Conference in NYC COLUMBUS, OH, May 4, 2023 – Core Molding Technologies, Inc. (NYSE American: CMT) (“Core Molding”, “Core” or the “Company”), a leading engineered materials co

pressrelease Core Molding Technologies to Participate in the Inaugural EF Hutton Global Conference in NYC COLUMBUS, OH, May 4, 2023 – Core Molding Technologies, Inc.

May 4, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 04, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 4, 2023 EX-99.1

EF HUTTON INVESTOR CONFERENCE May 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are s

investorpresentation EF HUTTON INVESTOR CONFERENCE May 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

April 17, 2023 EX-99.1

SPRING 2023 INVESTOR PRESENTATION April 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which

cmtinvestorpresentation SPRING 2023 INVESTOR PRESENTATION April 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

April 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2023 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

April 7, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Defin

April 6, 2023 ARS

ARS

CORE MOLDING TECHNOLOGIES, INC. ANNUAL REPORTSELECTED FINANCIAL HIGHLIGHTS (dollars in millions except per share numbers) YEARS ENDED DECEMBER 31 2022 2021 2020 2019 2018 Net Sales 337.4 307.5 222.4 284.3 269.5 Operating Income (loss) 18.0 11.1 10.4 (11.5) (3.1) Net Income (loss) 12.2 4.7 8.2 (15.2) (4.8) Net Income (loss) per common share: Basic 1.44 0.55 0.98 (1.94) (0.62) Net Income (loss) per

March 16, 2023 SC 13D/A

CMT / Core Molding Technologies / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 22) Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Author

March 14, 2023 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

March 14, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

March 14, 2023 EX-24

EX-24

EX-24 2 ex-24.htm SMITH POA LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS Know all by these presents, that the undersigned's hereby constitutes and appoints each of John P. Zimmer and Michael Del Regno, signing singly, the undersigned's true and lawful attorney-in-fact to: (1) Execute for and on behalf of the undersigned, in the undersigned's capacity as an executive officer of Co

March 14, 2023 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

March 14, 2023 EX-4

Filed Herein

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, Core Molding Technologies, Inc.

March 14, 2023 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

March 14, 2023 EX-24

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

March 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2023 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 14, 2023 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 14, 2023 EX-99.1

Core Molding Technologies Reports Full Year and Fourth Quarter 2022 Results Record Full Year Sales, Net Income and Adjusted EBITDA

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2022 Results Record Full Year Sales, Net Income and Adjusted EBITDA COLUMBUS, OH, March 14, 2023 – Core Molding Technologies, Inc.

March 14, 2023 EX-10.1

Incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed March 14, 2023

PERFORMANCE RESTRICTED STOCK AWARD AGREEMENT GRANTED UNDER THE CORE MOLDING TECHNOLOGIES, INC.

March 14, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 14, 2023 EX-21

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2022 are listed below.

February 13, 2023 SC 13G/A

CMT / Core Molding Technologies, Inc. / RENAISSANCE TECHNOLOGIES LLC Passive Investment

SC 13G/A 1 cmt-13g20221231.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* CORE MOLDING TECHNOLOGIES, INC. - (Name of Issuer) Common Stock, par value $0.01 - (Title of Class of Securities) 218683100 - (CUSIP Number) December 30, 2022 - (Date of Event Which Requires Filing of this Statement) Check

February 10, 2023 SC 13G/A

CMT / Core Molding Technologies, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 9 )* Core Molding Technologies Inc (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

February 7, 2023 SC 13G/A

CMT / Core Molding Technologies, Inc. / Wax Asset Management, LLC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 1)* Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 31, 2022 (Date of Event W

November 8, 2022 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended September 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I,

November 8, 2022 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

November 8, 2022 EX-99.1

Core Molding Technologies Reports Fiscal 2022 Third Quarter Results Record Quarterly Sales of $101.6 million, up 25%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2022 Third Quarter Results Record Quarterly Sales of $101.

November 8, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505

November 8, 2022 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

November 8, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

November 8, 2022 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

August 22, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 19, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

August 22, 2022 EX-99.1

2022 Midwest IDEAS Conference INVESTOR PRESENTATION August 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws. As a general matter, forw

2022 Midwest IDEAS Conference INVESTOR PRESENTATION August 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws.

August 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 CORE

August 9, 2022 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

August 9, 2022 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

August 9, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

August 9, 2022 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

August 9, 2022 EX-99.1

Core Molding Technologies Reports Fiscal 2022 Second Quarter Results Record Quarterly Sales of $98.7 million, up 23%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2022 Second Quarter Results Record Quarterly Sales of $98.

August 9, 2022 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

July 28, 2022 EX-10.1

Incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on July 28, 2022

EX-10.1 2 creditagreement.htm EX-10.1 Execution Version CREDIT AGREEMENT Dated as of July 22, 2022 among CORE MOLDING TECHNOLOGIES, INC., as the Borrower, the other Loan Parties from time to time party hereto, the LENDERS from time to time party hereto and THE HUNTINGTON NATIONAL BANK, as Administrative Agent THE HUNTINGTON NATIONAL BANK, as Bookrunner and Lead Arranger ii TABLE OF CONTENTS ARTICL

July 28, 2022 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 22, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

June 21, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

June 21, 2022 EX-99.1

2022 East Coast IDEAS Conference INVESTOR PRESENTATION June 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws. As a general matter, for

2022 East Coast IDEAS Conference INVESTOR PRESENTATION June 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws.

May 13, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 10, 2022 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

May 10, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from to Commission File Number 001-12505 COR

May 10, 2022 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended March 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, John

May 10, 2022 EX-99.1

Core Molding Technologies Reports Fiscal 2022 First Quarter Results Strong Demand Results in First Quarter Sales of $90.6 million and Adjusted EBITDA Margin of 10.5%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2022 First Quarter Results Strong Demand Results in First Quarter Sales of $90.

May 10, 2022 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

May 10, 2022 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

May 10, 2022 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

May 6, 2022 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ¨ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-12505 CORE MO

May 6, 2022 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

May 6, 2022 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

May 6, 2022 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

May 6, 2022 EX-31.A

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

April 8, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

April 1, 2022 EX-99.1

SPRING 2022 INVESTOR PRESENTATION April 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws. As a general matter, forward-looking stateme

SPRING 2022 INVESTOR PRESENTATION April 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws.

April 1, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 01, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

March 11, 2022 EX-21

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company?s principal affiliates as of December 31, 2021 are listed below.

March 11, 2022 EX-31.B

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 11, 2022 EX-32.A

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, D

March 11, 2022 EX-24

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

March 11, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

March 11, 2022 EX-32.B

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, J

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