Onconetix Makes Additional Advance Of $500K To Realbotix Under Strategic Bridge Financing Facility

Additional $500,000 Advance to Support Growth Initiatives and Working Capital of Realbotix LLC

Total Drawn Under Facility Now $3,000,000; Non-Interest Bearing Facility Automatically Cancelled and Discharged in Full Upon Closing of Pending Acquisition

CINCINNATI, Ohio, Oct. 23, 2026 (GLOBE NEWSWIRE) -- Onconetix, Inc. (NASDAQ:ONCO) ("Onconetix" or the "Company") today announced that it has made an additional advance of $500,000 to Realbotix LLC ("Realbotix"), the target of its previously announced pending acquisition, under the strategic bridge financing facility (the "Grid Note") announced on September 14, 2026. The additional advance brings the total principal outstanding under the facility to $3,000,000.

As previously disclosed, the Grid Note provides for aggregate loans of up to $5,000,000 and is non-interest bearing prior to the closing of the Share Exchange Agreement. Upon closing, the Grid Note and all obligations thereunder will be automatically cancelled and discharged in full. The cash required at closing will be reduced by the total principal advanced under the Grid Note plus an additional $500,000. If the Share Exchange Agreement is terminated, interest accrues at 12% per annum from the date of termination.