HLLY

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.

Item 4 of this Schedule 13D is hereby amended and supplemented to include the following: On September 10, 2025, Holley Parent Holdings, LLC (the "Selling Stockholder") and the Issuer entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities LLC and Jefferies LLC, as representatives of the several underwriters named therein (collectively, the "Underwriters"). Pursuant to the Underwriting Agreement, the Selling Stockholder granted an option to the Underwriters to sell an additional 2,100,000 shares of Common Stock held by the Selling Stockholder (the "Option"). On September 18, 2025, the Underwriters exercised the Option and the additional 2,100,000 shares were sold at the public offering price of $2.75 per share, less underwriting discounts and commissions of $0.12 per share. The additional sale of the shares of Common Stock pursuant to the Option closed on September 18, 2025. References to and descriptions of the Underwriting Agreement set forth above in this Item 4 do not purport to be complete and are qualified in their entirety by reference to the full text of the Underwriting Agreement, which has been filed as Exhibit 7 in Amendment No. 7.