S-1 S-1 EX-FILING FEES 0001434524 ClearSign Technologies Corp N/A N/A 0001434524 2025-08-12 2025-08-12 0001434524 1 2025-08-12 2025-08-12 0001434524 2 2025-08-12 2025-08-12 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-1

ClearSign Technologies Corp

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, $0.0001 par value per share, issuable upon exercise of redeemable warrants Other 5,267,222 $ 2,900,395.79 0.0001531 $ 444.05
Fees to be Paid 2 Equity Redeemable warrants Other 5,267,222 $ 0.00 0.0001531 $ 0.00
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 2,900,395.79

$ 444.05

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 444.05

Offering Note

1

(1a) Represents shares of common stock issuable upon the exercise of redeemable warrants to purchase common stock at an exercise price of $1.05 per share, subject to adjustment in accordance with the terms of the redeemable warrants, issued by the registrant on April 23, 2024 and May 15, 2024, to be offered and sold from time to time by the holders thereof. (1b) Estimated solely for the purpose of calculating the registration fee, based on the average of the high and low prices of the common stock on the Nasdaq Capital Market on August 11, 2025 (such date being within five business days of the date that this registration statement was filed with the Securities and Exchange Commission). This calculation is in accordance with Rule 457(c) of the Securities Act of 1933, as amended (the "Securities Act").

2

No separate registration fee is payable pursuant to Rule 457(g) of the Securities Act.
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Rule 457(p)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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

N/A N/A N/A N/A N/A N/A N/A N/A