 Omeros Corporation Nasdaq: OMER Omeros today announced that it has commenced concurrent underwritten public offerings of 125,000,000 of shares of its common stock the Shares and 200,000,000 aggregate principal amount of convertible senior notes due 2026 the 2026 Convertible Notes. In addition, Omeros has granted to the underwriters of the offering of Shares the Equity Offering a 30-day option to purchase up to an additional 18,750,000 of Shares and to the underwriters of the offering of 2026 Convertible Notes the Notes Offering a 30-day option, solely to cover over-allotments, to purchase up to an additional 30,000,000 aggregate principal amount of 2026 Convertible Notes. The offerings are subject to market and other conditions, and there can be no assurance as to whether or when the offerings may be completed or as to the actual size or terms of the offerings. Neither offering is contingent on the completion of the other offering. 