Amendment No. 1 to Senior Secured Revolving Credit Facility, by and among FTC Solar, Inc., as borrower, HSBC Bank USA, N.A. and Barclays Bank PLC, as an issuing lender and as administrative agent

Exhibit 10.4

AMENDMENT NO. 1 TO CREDIT AGREEMENT

This Amendment No. 1 to Credit Agreement, dated as of December 2, 2021 (this “Amendment”), is entered into by and among FTC SOLAR, INC., a Delaware corporation (the “Borrower”), HSBC BANK USA, N.A. (“HSBC”) and BARCLAYS BANK PLC, as an Issuing Lender (in such capacity, the “Barclays Issuing Lender”) and as administrative agent (in such capacity, the “Administrative Agent”).

W I T N E S S E T H:

WHEREAS, the Borrower, the Lenders and Issuing Lenders from time to time party thereto and the Administrative Agent are parties to that certain Credit Agreement, dated as of April 30, 2021 (the “Existing Credit Agreement”), as amended hereby (the “Amended Credit Agreement”; capitalized terms used but not defined herein shall have the meanings ascribed to such terms in the Amended Credit Agreement) and as may be further amended from time to time;

WHEREAS, pursuant to Section 3.12(b) of the Existing Credit Agreement, the Borrower may designate as additional Issuing Lenders one or more Revolving Lenders that agree to serve in such capacity and, in connection with such appointment, the Borrower, the Administrative Agent and such designated Revolving Lender may amend Schedule 1.1 of the Credit Agreement for the purpose of identifying such designated Revolving Lender’s L/C Commitment;

WHEREAS, pursuant to the definition of “L/C Commitment” in the Existing Credit Agreement, the Borrower and any Issuing Lender may agree to decrease such Issuing Lender’s L/C Commitment in a writing acknowledged by the Administrative Agent;

WHEREAS, the Borrower desires to decrease the L/C Commitment of the Barclays Issuing Lender, designate HSBC, a Revolving Lender, as an additional Issuing Lender, and identify the L/C Commitment of HSBC, and HSBC agrees to accept such appointment and L/C Commitment.

Accordingly, in accordance with Section 1.1 and Section 3.12(b) of the Existing Credit Agreement, the Borrower, HSBC, the Barclays Issuing Lender and the Administrative Agent agree as follows:

Pursuant to Section 3.12(b) of the Existing Credit Agreement, the Borrower hereby designates HSBC as an Issuing Lender under the Amended Credit Agreement and HSBC hereby accepts such appointment. From and after the Amendment Effective Date, HSBC shall have all of the rights and obligations of an Issuing Lender under the Amended Credit Agreement and any references in the Amended Credit Agreement or any other Loan Document to the term “Issuing Lender” shall be deemed to include HSBC in its capacity as an issuer of Letters of Credit under the Amended Credit Agreement.

Each of the parties hereto agree that, effective on the Amendment Effective Date, Schedule 1.1 of the Existing Credit Agreement is hereby amended to (a) decrease the L/C Commitment of the Barclays Issuing Lender from $20,000,000 to $15,000,000 and (b) identify the L/C Commitment of HSBC as $5,000,000.

This Amendment shall become effective on the first date (the “Amendment Effective Date”) on which the Administrative Agent (or its counsel) shall have a counterpart of this Amendment signed on behalf of each of the Borrower, HSBC, the Barclays Issuing Lender and the Administrative Agent.

IN WITNESS WHEREOF, the parties have duly executed this Amendment on the day and year first written above.

[Amendment No. 1 to Credit Agreement]

BARCLAYS BANK PLC, as Administrative Agent and Issuing Lender

HSBC BANK USA, N.A., as a Revolving Lender

[Amendment No. 1 to Credit Agreement]