of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. Investor Presentation, dated August 31, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: August 31, 2026 N…

Director — Patrick J. Burns: The filing discloses the appointment of a new independent director to the board, which is a standard governance action and not a departure of a senior executive.

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. second quarter ended June 30, 2026 earnings release, dated August 5, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly author…

The filing details an amendment to the long-term executive compensation plan, which is a routine administrative matter.

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. first quarter ended March 31, 2026 earnings release, dated May 5, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorize…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. Investor Presentation, dated March 19, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: March 19, 2026 NAC…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. fourth quarter and year ended December 31, 2025 earnings release, dated March 4, 2026. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunt…

The filing primarily concerns an amendment to a retirement plan and the termination of a consulting agreement, which are not management changes.

Other Events. On November 18, 2025, NACCO Industries, Inc. ® (the “Company”) issued a press release announcing that the Board of Directors declared a regular quarterly cash dividend of 25.25 cents per share and announced a new stock repurchase program. The dividend is payable on both the Class A and Class B Common Stock, and will be paid December 15, 2025 to stockholders of record at the close of business on December 1, 2025. NACCO's Board of Directors approved a stock repurchase program unde…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. third quarter ended September 30, 2025 earnings release, dated November 5, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. Investor Presentation, dated August 25, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: August 25, 2025 N…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. second quarter ended June 30, 2025 earnings release, dated August 6, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly author…

Director — Lori Robinson: Ms. Robinson resigned from the Board of Directors without a stated successor.

The filing details an amendment to the Non-Employee Directors' Equity Compensation Plan, which is a routine administrative matter.

Other Events. On May 15, 2025, NACCO Industries, Inc. ® (the “Company”) issued a press release announcing that the Board of Directors declared a regular quarterly cash dividend of 25.25 cents per share, which represents an 11% increase compared to the prior quarterly dividend rate of 22.75 cents per share. The dividend is payable on both the Class A and Class B Common Stock, and will be paid June 16, 2025 to stockholders of record at the close of business on May 30, 2025. The new dividend is…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. first quarter ended March 31, 2025 earnings release, dated April 30, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly author…

The filing describes the termination of a pension plan and does not involve any management changes.

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. Investor Presentation, dated April 9, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: April 9, 2025 NACCO…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. fourth quarter and year ended December 31, 2024 earnings release, dated March 5, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto…

Other Events. On February 20, 2025, NACCO Industries, Inc. ® (the “Company”) issued a press release announcing that the Board of Directors declared a regular cash dividend of 22.75 cents per share. The dividend is payable on both the Class A and Class B Common Stock, and will be paid March 17, 2025 to stockholders of record at the close of business on March 3, 2025. A copy of the Company’s press release announcing the quarterly dividend is attached hereto as Exhibit 99 and incorporated herein…

Entry Into a Material Definitive Agreement. On December 19, 2024, NACCO Industries, Inc. (“NACCO”) approved the terms of the Amendment to the Consulting Agreement between NACCO and Alfred M. Rankin, Jr. The Amendment revises the consulting fees paid to Mr. Rankin from $200,000 per year to $100,000 per year. Mr. Rankin will continue to serve as the Chairman of the Board of Directors of NACCO and will continue to support the President and Chief Executive Officer and senior leadership team of NA…

The filing describes a change in the company's retirement plan for highly compensated employees.

Other Events. On November 19, 2024, NACCO Industries, Inc. ® (the “Company”) issued a press release announcing that the Board of Directors declared a regular cash dividend of 22.75 cents per share. The dividend is payable on both the Class A and Class B Common Stock, and will be paid December 16, 2024 to stockholders of record at the close of business on December 2, 2024. A copy of the Company’s press release announcing the quarterly dividend is attached hereto as Exhibit 99 and incorporated…

of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K. (d) Exhibits 99 NACCO Industries, Inc. third quarter ended September 30, 2024 earnings release, dated October 30, 2024. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly…

Entry into a Material Definitive Agreement. On September 17, 2024, NACCO Natural Resources Corporation (“NNRC”), a wholly owned subsidiary of NACCO Industries, Inc., entered into the First Amendment to Amended and Restated Credit Agreement (the “First Amendment”) among NNRC, as the borrower, certain subsidiaries of NNRC, as guarantors, the lenders party thereto and PNC Bank, National Association, as administrative agent. The First Amendment amends NNRC’s existing Amended and Restated Credit A…