Omeros Corporation announced that Kurt Zumwalt, a current Class II director, has notified the company that he will not stand for re-election at the 2023 Annual Meeting to be held on June 23, 2023. Mr. Zumwalt's decision not to stand for re-election was made in connection with potential employment opportunities and not because of any disagreement with Omeros on any matter relating to operations, policies or practices.