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POS AM EX-FILING FEES 0001782107 333-291256 N/A N/A 0001782107 1 2026-05-06 2026-05-06 0001782107 2026-05-06 2026-05-06 iso4217:USD xbrli:pure xbrli:shares

Ex-Filing Fees

CALCULATION OF FILING FEE TABLES

S-1

Onconetix, Inc.

Table 1: Newly Registered and Carry Forward Securities

                                           
Line Item Type   Security Type   Security Class Title   Notes   Fee Calculation
Rule		   Amount Registered   Proposed Maximum Offering
Price Per Unit		   Maximum Aggregate Offering Price   Fee Rate   Amount of Registration Fee
                                           
Newly Registered Securities
Fees to be Paid   Equity   Common Stock   (1)   Other   38,769,702   $ 0.54   $ 20,935,639.08   0.0001381   $ 2,891.21
                                           
Total Offering Amounts:   $ 20,935,639.08         2,891.21
Total Fees Previously Paid:               0.00
Total Fee Offsets:               0.00
Net Fee Due:             $ 2,891.21

 

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Offering Note(s)

(1) Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the "Securities Act"), there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from stock splits, stock dividends or similar transactions.

Represents the sum of (i) up to 25,750,054 shares of Common Stock, which represents 150% of the aggregate number of shares of Common Stock issuable upon the exercise of additional warrants to purchase 17,166,703 shares of Common Stock (the "Series D Warrants") initially issued to institutional investors in a private placement transaction, which closed on September 22, 2025, and such shares of Common Stock being registered herein representing the unexercised portion of such Series D Warrants and (ii) up to 13,019,648 shares of Common Stock, which represents 150% of the aggregate number of shares of Common Stock issuable upon the exercise of additional warrants to purchase 8,679,765 shares of Common Stock (the "Series E Warrants") initially issued to institutional investors in a private placement transaction, which closed on October 2, 2025, and such shares of Common Stock being registered herein representing the unexercised portion of such Series E Warrants.

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 Stock Market LLC on May 5, 2026 ($0.54 per share), in accordance with Rule 457(c) of the Securities Act.

Calculated pursuant to Rule 457 of the Securities Act by multiplying the proposed maximum aggregate offering price of securities to be registered by 0.00013810.