Yarrow Bioscience, Inc. ("Yarrow" or the "Company") (NASDAQ:YARW), a clinical-stage biotechnology company focused on developing transformative therapies for autoimmune thyroid diseases, today announced that it has commenced an underwritten public offering of shares of its common stock or, in lieu of common stock to certain investors that so choose, pre-funded warrants to purchase shares of its common stock. In addition, Yarrow expects to grant the underwriters a 30-day option to purchase up to an additional 15% of shares of common stock at the public offering price, less underwriting discounts and commissions. The proposed public 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. All of the securities are being offered by Yarrow.

Yarrow intends to use the net proceeds from this offering to fund research and development expenses for Yarrow’s pipeline and general corporate purposes, which may include working capital, capital expenditures and other general corporate purposes.

Jefferies, TD Cowen and Guggenheim Securities are acting as joint book-running managers and LifeSci Capital is acting as lead manager for the proposed offering.