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S-1/A primary document

BCHT · Amended Registration Statement (Form S-1/A) · Filed February 12, 2026

Birchtech Corp — S-1/A exhibit

tmb-20250930xexfees.htm

Birchtech Corp on Boardroom Alpha

EX-FILING FEES

Calculation of Filing Fee Tables
S-1
Birchtech 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
Fees Previously Paid	1	Equity	Common Stock, par value $0.001 per share	457(o)			$ 17,250,000.00		$ 2,382.22
Carry Forward Securities
Carry Forward Securities
			Total Offering Amounts:				$ 17,250,000.00		$ 2,382.22
			Total Fees Previously Paid:						$ 3,176.30
			Total Fee Offsets:						$ 0.00
			Net Fee Due:						$ 0.00

Offering Note

¹	(a) Pursuant to Rule 416 under the Securities Act, there are also being registered such indeterminate number of additional securities as may be issued to prevent dilution resulting from share splits, share dividends, or similar transactions. (b) Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(o) promulgated under the Securities Act. (c) Includes additional shares of common stock that may be issued upon exercise of a 30-day option granted to the underwriters to cover over-allotments, if any. (d) The Registrant previously paid registration fees of $3,176.30 in connection with the initial filing of this Registration Statement on Form S-1 on January 13, 2026.

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

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