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S-3 S-3 EX-FILING FEES 0000064463 Soluna Holdings, Inc N/A N/A 0000064463 2026-04-29 2026-04-29 0000064463 1 2026-04-29 2026-04-29 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

Soluna Holdings, Inc

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Common Stock, par value $0.001 per share Other 2,459,400 $ 1.46 $ 3,590,724.00 0.0001381 $ 495.88
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 3,590,724.00

$ 495.88

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 495.88

Offering Note

1

Pursuant to Rule 457(c) under the Securities Act of 1933, as amended (the "Securities Act"), and solely for the purpose of calculating the registration fee, the proposed maximum offering price per share is the average of the high and low prices reported for the registrant's common stock, par value $0.001 per share, quoted on The Nasdaq Capital Market on April 23, 2026. Includes (i) 2,400,000 shares of common stock issuable upon the exercise of the warrant issued by Soluna Holdings, Inc. (the "Company") to YA II PN, Ltd. ("YA") on April 15, 2026 in connection with that certain Securities Purchase Agreement, dated April 15, 2026, by and between the Company and YA, and (ii) 59,400 shares of common stock issued or issuable to Harmattan Energy, Ltd. (formerly Soluna Technologies, Ltd.) pursuant to the Merger Agreement, dated August 11, 2021, by and among Mechanical Technology, Incorporated, SCI Merger Sub, Inc. and Soluna Computing, Inc. Pursuant to Rule 416(a) under the Securities Act, this registration statement also covers an indeterminate number of additional shares as may be issuable as a result of stock splits, stock dividends or similar transactions.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims
Fee Offset Sources
Rule 457(p)
Fee Offset Claims
Fee Offset Sources
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date