Seelos Therapeutics, Inc. (Nasdaq: SEEL), a clinical-stage biopharmaceutical company focused on the development of therapies for central nervous system disorders and rare diseases, announced today that it has commenced a proposed underwritten public offering of shares of common stock. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed or as to the actual size or terms of the offering. In addition, the Company intends to grant the underwriters an option to purchase up to an additional 15% of the aggregate number of shares of common stock sold in the offering on the same terms and conditions to cover over-allotments, if any. All of the shares of common stock in the offering will be sold by Seelos.

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

Seelos intends to use a portion of the net proceeds from the offering for the partial repayment of certain outstanding convertible promissory notes and the remainder for general corporate purposes and to advance the development of its product candidates.

About Seelos Therapeutics:

Seelos Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on the development and advancement of novel therapeutics to address unmet medical needs for the benefit of patients with central nervous system (CNS) disorders and other rare disorders. The Company's robust portfolio includes several late-stage clinical assets targeting psychiatric and movement disorders, including orphan diseases.