Edesa Biotech Announces Pricing of $25.0 Million Public Offering

TORONTO, Aug. 19, 2026 (GLOBE NEWSWIRE) — Edesa Biotech, Inc. (Nasdaq: EDSA) (the “Company” or “Edesa”), a clinical-stage biopharmaceutical company focused on developing host-directed therapeutics for immuno-inflammatory diseases, today announced the pricing of an underwritten public offering consisting of (i) 3,870,500 common shares and accompanying common share warrants to purchase an aggregate of 3,870,500 common shares and (ii) in lieu of common shares to investors who so choose, pre-funded warrants to purchase up to 675,000 common shares and accompanying common share warrants to purchase an aggregate of 675,000 common shares, at an exercise price of $0.0001 per pre-funded warrant. Each common share and pre-funded warrant is being sold in combination with an accompanying common share warrant to purchase one common share. The common share warrants will have an exercise price of $7.50 per share, will be immediately exercisable from the date of issuance and will expire on the earlier of (x) the 18-month anniversary of the original issuance date and (y) 30 days following the Company’s public announcement of Phase 2 vitiligo topline data for EB06. The combined public offering price of each common share and accompanying common share warrant is $5.50. The combined public offering price of each pre-funded warrant and accompanying common share warrant is $5.4999, which represents the combined public offering price for the common shares and accompanying common share warrants less the $0.0001 per share exercise price for each pre-funded warrant. The gross proceeds are expected to be approximately $25.0 million, before deducting underwriting discounts and commissions and other estimated offering expenses. In addition, Edesa has granted the underwriters a 30-day option to purchase up to an additional 681,825 common shares and accompanying common share warrants to purchase up to 681,825 common shares at the public offering price, less underwriting discounts and commissions.

All common shares, pre-funded warrants and accompanying common share warrants are being offered by Edesa. The offering is expected to close on or about August 21, 2026, subject to the satisfaction of customary closing conditions.

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Guggenheim Securities is acting as the sole book-running manager for the offering.

Edesa intends to use the net proceeds from the offering for general corporate purposes, which may include working capital, capital expenditures and research and development and manufacturing expenses.

The offering is being made pursuant to a shelf registration statement on Form S-3 (File No. 333-288966), including a base prospectus, that was declared effective by the Securities and Exchange Commission (“SEC”) on September 9, 2025. A preliminary prospectus supplement and accompanying prospectus relating to the offering have been filed with the SEC and a final prospectus supplement with the final terms of the offering will be filed with the SEC and will be available for free on the SEC’s website, located at www.sec.gov.